SNAP Analog I/O Modules
About SNAP Analog I/O Modules
Voltage input analog modules provide a single channel of optically-isolated voltage-to-digital conversion. These modules offer wide nominal input and special over/under range capabilities.
Current Input SNAP Analog I/O Modules
SNAP-AIMA
The SNAP-AIMA provides two channels of -20 mA to +20 mA analog current input. The module does not supply loop excitation current. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch -20mA to +20mA Analog Current Input Module
SNAP-AIMA
| Input Range | -20 mA to +20 mA |
| Resolution | 0.8 microamps |
| Over-Range Limits | From -22 to +22 mA(+/-20 mA range) |
| Input Response Time (% of span/ delta I/delta tme) | 99.9% / 19.9 mA / 10 ms |
| Data Freshness (Max) | SNAP-AIMA: 11.5 ms SNAP-AIMA-4: 23 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 36 mA or 9 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05% (10 microamps) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Power Requirements | 5 VDC (±0.15 ) @ 170 mA |
| Input Resistance - Single Ended | 200 ohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA, NEBS |
| Warranty | Lifetime |
SNAP-AIMA-i
The SNAP-AIMA-i provides two isolated channels of -20 mA to +20 mA analog current input. The module does not supply loop excitation current. In addition to having two channels isolated from each other, the module is also transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch Isolated -20 mA to +20 mA Analog Current Input Module
SNAP-AIMA-i
| Input Range | -20 mA to +20 mA |
| Maximum Over Range | ± 10%(= ± 27500 counts) |
| Resolution | 0.8 µA |
| Input Response Time (% of span/ delta I/delta tme) | 99.9 %/19.9 µA/10 mS |
| Data Freshness | 11 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 36 mA or 9 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05% (10 µA) |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Power Requirements | 5 VDC (±0.15 ) @ 200 mA |
| Input Resistance - Single Ended | 200 ohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIMA-4
The SNAP-AIMA-4 provides four channels of -20 mA to +20 mA analog current input. The module does not supply loop excitation current. Although the four channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 4-Ch -20mA to +20mA Analog Current Input Module
SNAP-AIMA-4
| Input Range | -20 mA to +20 mA |
| Resolution | 0.8 microamps |
| Over-Range Limits | From -22 to +22 mA (+/-20 mA range) |
| Input Response Time (% of span/ delta I/delta tme) | 99.9% / 19.9 mA / 10 ms |
| Data Freshness (Max) | SNAP-AIMA: 11.5 ms SNAP-AIMA-4: 23 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 36 mA or 9 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05% (10 microamps) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Power Requirements | 5 VDC (±0.15 ) @ 170 mA |
| Input Resistance - Single Ended | 200 ohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size | 22 to 14 AWG |
| Agency Approvals | UL, CE, ATEX, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIMA-iSRC
The SNAP-AIMA-iSRC provides two isolated channels of -20 mA to +20 mA analog current and also includes built-in loop sourcing capability. With the connection of a single 24 V power supply, the module sources 24 V for two 4–20 mA loops. The loops are internally connected to the individual inputs. The two channels and their loop sources are isolated from each other.
SNAP 2-Ch Isolated -20 to +20 mA Analog Current Input Module with Loop Sourcing
SNAP-AIMA-iSRC
| Input Range | 0 to +20 mA with loop sourcing -20 mA to +20 mA |
| Maximum Over Range | ± 10% (= ± 27500 counts) |
| Resolution | 0.8 µA |
| Input Response Time (% of span/delta I/delta time) | 99.9 %/19.9 mA/10 ms |
| Data Freshness | 11 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 36 mA or 9 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05% (10 µA) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15) @ 200 mA |
| Power Requirements - Loop Power (Input) | From separate field connector: 24 VDC nominal (70 mA max @ 24 V input, both loops @ 20 mA), 30 VDC maximum |
| Loop Power (Output) | 24 VDC (± 1.5 V) @ 20 mA Open loop: 30 V maximum Shorted loop: 24 mA nominal |
| LED on top of module | Indicates that there is power to the 24v source supply 2-pin connector |
| Input Resistance | 200 ohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIARMS-i
The SNAP-AIARMS-i module provides two isolated channels with an input range of 0 to 10 amps RMS AC/DC. An ideal input is the 5-amp secondary of a standard current transformer used to monitor AC line current. The module may also be used to monitor AC current to greater than a 100-amp range, using a current transformer of suitable ratio.
SNAP Isolated 2-Ch 0-10 amp RMS Analog Input Module
SNAP-AIARMS-i
| Input Range | 0 to 10 amp RMS AC/DC |
| Input Over Range | To 11 amps |
| Input Resistance | 0.005 ohms |
| Maximum Input | 11 amps AC/DC |
| Accuracy (AC) | ±8 mA and ±0.2% reading |
| Resolution | 400 µA |
| DC Reversal | ±16 mA (0.16%) |
| Input Response Time (Step Change) | 63.2% (6.32 A) in 50 ms 99% (9.92 A) in 75 ms |
| Data Freshness (Max) | 0.025 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Maximum Operating | |
| Voltage Between Channels | 250 V |
| Common Mode Voltage | 250 V |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15 V) at 200 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIMA2-i
The SNAP-AIMA2-i module provides two isolated channels with an input range of -1 mA to +1 mA. This module does not supply loop excitation current.
SNAP 2-Ch Isolated -1 mA to +1 mA Analog Current Input Module
SNAP-AIMA2-i
| Input Range | -1 mA to +1 mA |
| Maximum Over Range | ±10% (=± 27500 counts) |
| Resolution | 0.04 µA |
| Input Response Time (% of span/delta I/delta time) | 99.9 %/19.9 µA/10 ms |
| Data Freshness | 11 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 11 mA or 28 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05% (0.05 µA) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15 V) at 200 mA |
| Input Resistance | 5 K ohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS |
| Warranty | Lifetime |
SNAP-AIMA-32
The SNAP-AIMA-32 provides 32 channels of -20 mA to +20 mA analog current input. The module does not supply loop excitation current. Although the 32 channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 32-Ch -20mA to +20mA Analog Current Input Module
SNAP-AIMA-32
| Input Range | -20 mA to +20 mA |
| Over-Range Limits | From -22 to +22 mA (+/-20 mA range) |
| Resolution | 0.8 microamps |
| Input Filtering | -3 dB @ 31 Hz |
| Data Freshness (Max) | 1.15 s |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 36 mA or 9 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.1% (20 microamps) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V, field to logic |
| Power Requirements | 5 VDC (±0.15 ) @ 150 mA |
| Input Resistance - Single Ended | 100 ohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA. |
| Warranty | Lifetime |
SNAP-AIMA-8
The SNAP-AIMA-8 provides eight channels of -20 mA to +20 mA current input. The module does not supply loop excitation current. Although the eight channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 8-Ch -20mA to +20mA Analog Current Input Module
SNAP-AIMA-8
| Input Range | -20 mA to +20 mA |
| Over-Range Limits | From -22 to +22 mA (+/-20 mA range) |
| Resolution | 0.8 microamps |
| Data Freshness (Max) | 0.28 seconds |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 36 mA or 9 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05% (10 microamps) |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15 ) @ 170 mA |
| Input Resistance - Single Ended | 100 ohms (all channels share the same reference point) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 1.7 in-lb (0.19 N-m) |
| Agency Approvals | CE, RoHS, DFARS |
| Warranty | Lifetime |
SNAP-AIMRMS
The SNAP-AIARMS provides two channels of 0-10 amp RMS AC/DC input. An ideal input is the 5-amp secondary of a standard current transformer used to monitor AC line current.
SNAP 2-Ch 0-10 amp RMS Analog Input Module
SNAP-AIARMS
| Input Range | 0 to 10 amp RMS AC/DC |
| Input Over Range | To 11 amps |
| Input Resistance | 0.005 ohms |
| Maximum Input | 11 amps AC/DC |
| Accuracy (AC) | ±8 mA and ±0.2% reading |
| Resolution | 400 microamps |
| DC Reversal | ±16 mA (0.16%) |
| Input Response Time (Step Change) | 63.2% (158 V) in 50 mS 99% (248 V) in 75 mS |
| Data Freshness (Max) | 32.3 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15 V) at 170 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA, NEBS |
| Warranty | Lifetime |
Current Output SNAP Analog I/O Modules
SNAP-AOA-3
The SNAP-AOA-3 provides a single channel of digital-to-analog conversion. The module has a true differential (floating) output that eliminates ground loops and has a nominal output range of 4-20 mA. The module is transformer isolated and optically isolated from other modules and devices, and is factory calibrated.
SNAP 1-Ch 4-20 mA Current Loop Analog Output Module
SNAP-AOA-3
| Input | 12-bit serial data |
| Output | 4 to 20 mA (floating) |
| Span | 16 mA |
| Resolution | 3.9 microamps |
| Response Time (% of span/delta I/ delta time) | 99.9%/15.98 mA/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1000 M W |
| Accuracy | 0.1% of span |
| Gain Temperature Coefficient | 50 PPM/ °C |
| Offset Temperature Coefficient | 20 PPM/ °C |
| Module Power Requirements | 5 Volts DC (±0.15 ) @ 140 mA |
| Loop Power Requirements | 10 Volts DC (min) to 32 Volts DC (max) |
| Max. Loop Resistance (Ohms) @ Loop Supply | 250 10V 350 12V 950 24V 1350 32V |
| Max. Loop Resistance formula | (Loop Voltage - 5) 0.02 |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AOA-23
The SNAP-AOA-23 provides two channels of analog current output at a nominal range of 4-20 mA. An external loop power source is required for the current loops. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch 4-20 mA Current Loop Analog Output Module
SNAP-AOA-23
| Input | 12-bit serial data (each channel) |
| Output | 4 to 20 mA (each channel) |
| Span | 16 mA |
| Resolution | 3.9 microamps |
| Response Time (% of span/delta I/ delta time) | 99.9%/15.98 mA/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1000 Megohms |
| Accuracy | 0.1% of Span |
| Gain Temperature Coefficient | 50 PPM/°C |
| Offset Temperature Coefficient | 20 PPM/°C |
| Module Power Requirements | 5 Volts DC (±0.15) @ 150 mA |
| Loop Power Requirements | 8 VDC (min) to 32 Volts DC (max) |
| Max. Loop Resistance (Ohms) @ Loop Supply | 250 8V- 450 12V- 650 15V- 1050 24V- 1450 32V |
| Max. Loop Resistance formula | (Loop Voltage - 3) 0.02 |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA, NEBS |
| Warranty | Lifetime |
SNAP-AOA-28
The SNAP-AOA-28 provides two channels of analog current output at a nominal range of 0-20 mA. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch 0-20 mA Current Loop Analog Output Module
SNAP-AOA-28
| Input | 12-bit serial data (each channel) |
| Output | 0 to 20 mA (each channel) |
| Span | 20 mA |
| Resolution | 4.9 microamps |
| Response Time (% of span/delta I/ delta time) | 99.9%/15.98 mA/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1000 Megohms |
| Accuracy | 0.1% of Span |
| Gain Temperature Coefficient | 50 PPM/°C |
| Offset Temperature Coefficient | 20 PPM/°C |
| Module Power Requirements | 5 Volts DC (±0.15 ) @ 150 mA |
| Loop Power Requirements | 8 Volts DC (min) to 32 Volts DC (max) |
| Max. Loop Resistance (Ohms) @ Loop Supply | 250 8V 450 8V- 650 12V- 1050 24V- 1450 32V |
| Max. Loop Resistance formula | (Loop Voltage - 5) 0.02 |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, ATEX, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AOA-23-iSRC
The SNAP-AOA-23-iSRC module provides two channels of current output with a nominal output range of 4 mA to 20 mA. The module includes built-in loop sourcing capability.
Isolated SNAP 2-Ch 4-20 mA Current Loop Analog Output Module, with Loop Sourcing
SNAP-AOA-23-iSRC
| Input | 12-bit serial data (each channel) |
| Output | 4 to 20 mA (each channel) |
| Span | 16 mA |
| Resolution | 3.9 microamps |
| Response Time (% of span/delta I/ delta time) | 99.9%/15.98 mA/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1000 Megohms |
| Accuracy | 0.1% of Span |
| Gain Temperature Coefficient | 50 PPM/°C |
| Offset Temperature Coefficient | 20 PPM/°C |
| Max. Loop Resistance (Ohms) @ Loop Supply | 950 Ohms |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 Volts DC (±0.15) @ 200 mA |
| Power Requirements - Loop Power (Input) | From separate field connector; 24 VDC nominal (70 mA max) @ 24 V input, both loops @ 20 mA), 30 VDC maximum |
| Loop Power (Output) | 24 VDC (±1.5 V) @ 20 mA Open loop: 30 V maximum Shorted loop: 24 mA nominal |
| LED on top of module | Indicates that there is power to the 24v source supply 2-pin connector |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS, UKCA |
| Warranty | Lifetime |
SNAP-AOVA-8
The SNAP-AOVA-8 requires a 24 VDC excitation voltage brought in through the field connector on the top of the module. This voltage is internally isolated with transformer and digital data isolators, and then used to source all channels.
SNAP 8-ch analog multifunction output, voltage or current
SNAP-AOVA-8
| Excitation Range | 18 TO 32 VDC |
| Excitation Current Required | 200mA @ 32VDC, 250mA @ 24VDC, 350mA @ 18VDC |
| 24V Excitation Fault Recovery Time | 15 mS nominal |
| Power Requirement (from the rack) | 5 VDC (±0.15) @ 150 mA |
| Maximum Operating Common Mode Voltage | 250 volts |
| Isolation | 1500 V (transient) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Data Refresh Time | 9 mS nom (update 1 ch/ms) |
| Operating Temperature | -20 to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
| Voltage Outputs | |
| Output Range (Resolution) | 0 to 5 VDC (1.22 mV) |
| 0 to 10 VDC (2.44 mV) | |
| -5 to +5 VDC (2.44 mV) | |
| -10 to +10 VDC (4.88 mV) | |
| Load Current | +/-10 mA min. each voltage output channel) |
| Short Circuit Current | 16 mA Typ. |
| Accuracy | 0.1% of span |
| Gain Temperature Coefficient | 30 PPM / °C |
| Offset Temperature Coefficient | 15 PPM / °C |
| Current Outputs | |
| Output Range (Resolution) | 4 to 20 mA (4 microamps) 0 to 20 mA (5 microamps) |
| Maximum Loop Resistance | 750 Ohms (each current output channel ) |
| Open Circuit Volts | 27 VDC max. (24 VDC typical) |
| Accuracy | 0.1% of span |
| Drift: Gain Temperature Coefficient | 30 PPM / °C |
| Drift: Offset Temperature Coefficient | 15 PPM / °C |
Voltage Input SNAP Analog I/O Modules
SNAP-AIV
The SNAP-AIV provides two channels of analog voltage input, either -10 to +10 VDC or -5 to +5 VDC. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.
SNAP 2-Ch -10VDC to +10VDC Analog Input Module
SNAP-AIV
| Input Range | From -10 volts to +10 volts From -5 volts to +5 volts |
| Over-Range Limits | From -11 to +11 volts (+/-10 V range) From -5.5 to +5.5 volts (+/-5 V range) |
| Resolution | 0.4 mV when configured -10 to +10 volts 0.2 mV when configured -5 to +5 volts |
| Input Filtering | -3 dB @ 64 Hz |
| Input Response Time (% of span/ delta V / delta t) | 63.2% / 6.7 V / 10 ms |
| Data Freshness (Max) | 11.5 ms (2-channel, +/- 10 VDC) |
| 23 ms (2-channel, +/- 5 VDC | |
| 23 ms (4-channel, +/- 10 VDC) | |
| 46 ms (4-channel, +/- 5 VDC | |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 220 VAC or 300 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05%, 5 mV @ 10 VDC 2.5 mV @ 5 VDC |
| Gain Temperature Coefficient | 30 PPM/ °C |
| Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15) @ 170 mA |
| Input Resistance | 1 M ohms (each channel; both channels share the same reference point) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA, NEBS |
| Warranty | Lifetime |
SNAP-AIV-4
The SNAP-AIV-4 provides four channels of analog voltage input. Each channel can be configured for -10 to +10 VDC or -5 to +5 VDC operation. Although the four channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 4-Ch -10VDC to +10VDC Analog Input Module
SNAP-AIV-4
| Input Range | From -10 volts to +10 volts From -5 volts to +5 volts |
| Over-Range Limits | From -11 to +11 volts (+/-10 V range) From -5.5 to +5.5 volts (+/-5 V range) |
| Resolution | 0.4 mV when configured -10 to +10 volts 0.2 mV when configured -5 to +5 volts |
| Input Filtering | -3 dB @ 64 Hz |
| Input Response Time (% of span/ delta V / delta t) | 63.2% / 6.7 V / 10 ms |
| Data Freshness (Max) | 11.5 ms (2-channel, +/- 10 VDC) |
| 23 ms (2-channel, +/- 5 VDC | |
| 23 ms (4-channel, +/- 10 VDC) | |
| 46 ms (4-channel, +/- 5 VDC | |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 220 VAC or 300 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05%, 5 mV @ 10 VDC |
| 2.5 mV @ 5 VDC | |
| Gain Temperature Coefficient | 30 PPM/ °C |
| Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15) @ 170 mA |
| Input Resistance | 1 M ohms (each channel; both channels share the same reference point) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, ATEX, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIV-i
The SNAP-AIV-i provides two isolated channels of analog voltage input. Each channel can be configured for -10 to +10 VDC or for -5 to +5 VDC operation. In addition to having two channels isolated from each other, the module is also transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch Isolated -10VDC to +10VDC Analog Voltage Input Module
SNAP-AIV-i
| Input Range | From -10 volts to +10 volts From -5 volts to +5 volts |
| Maximum Over Range | ± 10% (= ± 27500 counts) |
| Resolution | 0.4 mV when configured -10 volts to +10 volts 0.2 mV when configured -5 volts to +5 volts |
| Input Filtering | -3 dB @ 64 Hz |
| Input Response Time (% of span/ DV / Dt) | 63.2% / 6.7 V / 10 mS |
| Data Freshness | 0.011 s for +/- 10 V 0.018 s for +/- 5 V |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 220 VAC or 300 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05%, 5 mV @ 10 VDC 2.5 mV @ 5 VDC |
| Gain Temperature Coefficient | 30 PPM/ °C |
| Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15) @ 200 mA |
| Input Resistance | 1 megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIMV-4
The SNAP-AIMV-4 provides four channels of analog-to-digital conversion. Each channel can be configured for -150 mV DC to +150 mV DC or -75 mV DC to +75 mV DC. Although the four channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 4-Ch -150 to +150 mV Analog Input Module
SNAP-AIMV-4
| Input Range | From -150 mV to +150 mV From -75 mV to +75m V |
| Over-Range Limits | From -165 to +165 mV (+/-150 mV range) From -82.5 to +82.5 mV (+/-75 mV range) |
| Resolution | 6 microvolts (-150 mV to +150 mV) 3 microvolts (-75 mV to +75 mV) |
| Input Filtering | -3 dB @ 7 Hz |
| Input Response Time (% of span/delta V/delta time) | 63.2%/95 mV/23 ms |
| Data Freshness (Max) | 335 ms (+/- 150 mV) 668 ms (+/- 75 mV) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy at Full Scale | 0.06% (90 microvolts) @ 150 mV 0.1% (75 microvolts) @ 75 mV |
| Drift: Gain Temperature Coefficient | 3 microvolts / °C |
| Drift: Offset Temperature Coefficient | 2 microvolts / °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15 ) @ 170 mA |
| Input Resistance - Single Ended | 100 Megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIV2-i
The SNAP-AIV2-i provides two isolated channels of analog voltage input, -100VDC to +100VDC. In addition to having two channels isolated from each other, the module is also transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch Isolated -100VDC to +100VDC Analog Voltage Input Module
SNAP-AIV2-i
| Input Range | From -100 volts to +100 volts From -50 volts to +50 volts |
| Maximum Over Range | ± 10% (= ± 27500 counts) |
| Resolution | 4.0 mV when configured -100 volts to +100 volts 2.0 mV when configured -50 volts to +50 volts |
| Input Filtering | -3 dB @ 64 Hz |
| Input Response Time (% of span/ DV / Dt) | 63.2% / 6.7 V / 10 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 220 VAC or 300 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05%, 50 mV @ 100 VDC 25 mV @ 50 VDC |
| Gain Temperature Coefficient | 30 PPM/ °C |
| Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15) @ 200 mA |
| Input Resistance | 1 megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIV-32
The SNAP-AIV-32 analog input module provides 32 channels of analog voltage input. Each channel can be configured for -10 to +10 VDC or -5 to +5 VDC operation. Although the 32 channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 32-Ch -10VDC to +10VDC Analog Input Module
SNAP-AIV-32
| Input Range | From -10 volts to +10 volts From -5 volts to +5 volts |
| Over-Range Limits | From -11 to +11 volts (+/-10 V range) From -5.5 to +5.5 volts (+/-5 V range) |
| Resolution | 0.4 mV when configured -10 to +10 volts 0.2 mV when configured -5 to +5 volts |
| Input Filtering | -3 dB @ 31 Hz |
| Data Freshness (Max) | 1.1 s |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 220 VAC or 300 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05%, 5 mV @ 10 VDC 2.5 mV @ 5 VDC |
| Gain Temperature Coefficient | 30 PPM/ °C |
| Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15) @ 150 mA |
| Input Resistance | 1 M ohms (each channel; all channels share the same reference point) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIV-8
The SNAP-AIV-8 provides eight channels of analog voltage input. Each channel can be configured for -10 to +10 VDC or -5 to +5 VDC operation. Although the eight channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
G1 0 to 100 mV Analog Input, Isolated
SNAP-AIV-8
| Input Range | From -10 volts to +10 volts From -5 volts to +5 volts |
| Over-Range Limits | From -11 to +11 volts (+/-10 V range) From -5.5 to +5.5 volts (+/-5 V range) |
| Resolution | 0.4 mV when configured -10 to +10 volts 0.2 mV when configured -5 to +5 volts |
| Input Filtering | -3 dB @ 64 Hz |
| Data Freshness (Max) | 0.28 seconds |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | 220 VAC or 300 VDC |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.05%, 5 mV @ 10 VDC 2.5 mV @ 5 VDC |
| Gain Temperature Coefficient | 30 PPM/ °C |
| Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15) @ 170 mA |
| Input Resistance | 1 M ohms (all channels share the same reference point) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | 40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 1.7 in-lb (0.19 N-m) |
| Agency Approvals | CE, RoHS, DFARS |
| Warranty | Lifetime |
SNAP-AILC
The SNAP-AILC input module works with 2 mV/V and 3 mV/V load cells as a load cell front end. Using a separate 24 VDC power source (purchased separately), the module provides isolated 10 VDC bridge excitation for up to four 350 ohm or 415 ohm load cells.
SNAP Load Cell Input Module, 10 VDC Excitation, 2 or 3 mV/V Input Sensitivity
SNAP-AILC
| Input Range Sensitivity | |
| SNAP-AILC | 2 mV/V or 3 mV/V (Over range ± 2.2 mV or ± 3.3 mV) |
| SNAP-AILC-2 | 3 mV/V or 4 mV/V (Over range ± 3.3 mV or ± 4.4 mV) |
| Input Resistance | 100 Megohms differential |
| Resolution: Analog Scale Points | >22 bits + sign (± 6,400,000 counts = ± 100% of scale) |
| Response Time, Data Freshness | See the following table |
| DC Reversal (Input) | 0.015% (±1000 counts of reading @ 6,400,000 F.S.) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ± 15 volts across module load cell connector |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy (% Full Scale) | |
| Offset | ± 0.05% (= 3,200 counts out of 6,400,000, out of box) |
| Gain | ± 0.05% (= 3,200 counts out of 6,400,000, out of box) |
| Usable Resolution at Default Configuration (Fast) | 38 nV - sign and 19 bits (±524,288 counts @ channel 2) At filter weight 64, settles to 99.9% of final reading in 3.9 s. |
| DRIFT: Gain | 40 PPM / °C |
| DRIFT: Offset | 10 PPM / °C |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Rack Power Requirements | 5.00 VDC to 5.20 VDC @ 120 mA |
| 24V Bridge Supply | |
| Input Voltage | 24 VDC nominal (22 V min. to 30 V max.) |
| Input Current | 40 mA for one load cell or 115 mA for four load cells |
| Output Fault Current | 124 mA typical (field fault—shorted bridge) |
| Operating Temperature | -20 to 70 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | CE, RoHS, DFARS |
| Warranty | Lifetime |
SNAP-AILC-2
The SNAP-AILC-2 input module works with 3 mV/V and 4 mV/V load cells as a load cell front end. Using a separate 24 VDC power source (purchased separately), the module provides isolated 10 VDC bridge excitation for up to four 350 ohm or 415 ohm load cells.
SNAP Load Cell Input Module, 10 VDC Excitation, 3 or 4 mV/V Input Sensitivity
SNAP-AILC-2
| Input Range Sensitivity | |
| SNAP-AILC | 2 mV/V or 3 mV/V (Over range ± 2.2 mV or ± 3.3 mV) |
| SNAP-AILC-2 | 3 mV/V or 4 mV/V (Over range ± 3.3 mV or ± 4.4 mV) |
| Input Resistance | 100 Megohms differential |
| Resolution: Analog Scale Points | >22 bits + sign (± 6,400,000 counts = ± 100% of scale) |
| Response Time, Data Freshness | See the following table |
| DC Reversal (Input) | 0.015% (±1000 counts of reading @ 6,400,000 F.S.) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ± 15 volts across module load cell connector |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy (% Full Scale) | |
| Offset | ± 0.05% (= 3,200 counts out of 6,400,000, out of box) |
| Gain | ± 0.05% (= 3,200 counts out of 6,400,000, out of box) |
| Usable Resolution at Default Configuration (Fast) | 38 nV - sign and 19 bits (±524,288 counts @ channel 2) At filter weight 64, settles to 99.9% of final reading in 3.9 s. |
| DRIFT: Gain | 40 PPM / °C |
| DRIFT: Offset | 10 PPM / °C |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Rack Power Requirements | 5.00 VDC to 5.20 VDC @ 120 mA |
| 24V Bridge Supply | |
| Input Voltage | 24 VDC nominal (22 V min. to 30 V max.) |
| Input Current | 40 mA for one load cell or 115 mA for four load cells |
| Output Fault Current | 124 mA typical (field fault—shorted bridge) |
| Operating Temperature | -20 to 70 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | CE, RoHS, DFARS |
| Warranty | Lifetime |
Voltage Output SNAP Analog I/O Modules
SNAP-AOV-5
The SNAP-AOV-5 provides a single channel of digital-to-analog conversion. The module has a true differential (floating) output that eliminates ground loops and has a nominal output range of 0-10 VDC. The module is transformer isolated and optically isolated from other modules and devices, and is factory calibrated.
SNAP 1-Ch 0-10VDC Analog Voltage Output Module
SNAP-AOV-5
| Input | 12-bit serial data |
| Output | 0 to +10 Volts DC (floating) |
| Span | 10 Volt span |
| Resolution | 2.44 mV |
| Response Time (% of span/delta V/delta time) | 99.9%/19.98 V/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1000 Megohms |
| Load Current | 10 mA (floating) |
| Short Circuit Current Continuous | 125 mA (typical) |
| Accuracy | 0.1% of span |
| Gain Temperature Coefficient | 50 PPM/°C |
| Offset Temperature Coefficient | 20 PPM/°C |
| Power Requirements | 5 Volts DC @ 150 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AOV-27
The SNAP-AOV-27 provides two channels of analog voltage output at a nominal range of -10 to +10 volts. Each channel can supply -5 or +5 mA of load current. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch -10 to +10VDC Bipolar Analog Voltage Output Module
SNAP-AOV-27
| Input | 12-bit serial data (each channel) |
| Output | -10 to +10 Volts DC |
| Span | 20 Volts |
| Resolution | 4.88 mV |
| Response Time (% of span/delta V/delta time) | 99.9%/19.98 V/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1,000 Megohms |
| Load Current | 5 mA (each channel) |
| Short Circuit Current Continuous | 40 mA per channel |
| Accuracy | 0.1% of Span |
| Gain Temperature Coefficient | 50 PPM/°C |
| Offset Temperature Coefficient | 20 PPM/°C |
| Power Requirements | 5 Volts DC (±0.15) @ 150 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AOV-25
The SNAP-AOV-25 provides two channels of analog voltage output at a nominal range of 0-10 volts. Each channel can supply +5 mA of load current. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch 0-10 VDC Analog Voltage Output Module
SNAP-AOV-25
| Input | 12-bit serial data (each channel) |
| Output | 0 to +10 Volts DC |
| Span | 10 Volts |
| Resolution | 2.44 mV |
| Response Time (% of span/delta V/delta time) | 99.9%/19.98 V/3 mS |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1,000 Megohms |
| Load Current | 5 mA (each channel) |
| Short Circuit Current Continuous | 40 mA per channel |
| Accuracy | 0.1% of Span |
| Gain Temperature Coefficient | 50 PPM/°C |
| Offset Temperature Coefficient | 20 PPM/°C |
| Isolation | 1500 V |
| Power Requirements | 5 Volts DC (±0.15) @ 150 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA, NEBS |
| Warranty | Lifetime |
SNAP-AOD-29
The SNAP-AOD-29 module provides two channels of time-proportional output (TPO). The module converts an analog value, such as a PID loop output, to a digital on/off output. The outputs are used to switch or control DC loads such as lamps or indicators, solenoids, relay coils, and PLC logic.
SNAP 2-Ch 5-60 VDC Time-Proportional Digital Output Module
SNAP-AOD-29
| Input | 12-bit serial data (each channel) |
| Switched Output | 5 to 60 Volts DC |
| at 45 °C Ambient | 0.5 A |
| at 70 °C Ambient | 0.2 A |
| TPO Resolution | 12-bit Each bit = Period/4095 1 millisecond/bit default |
| Period Range | 0.251 sec. to 64.25 sec. (0.251 sec for Ethernet-based I/O units) 0.251 seconds module default |
| Period Accuracy | ± 0.5% |
| Period Resolution | .251 second |
| Inhibit Inputs On Off | 4.0 Volts DC at 1.0 mA (32 Volts DC max. 1.0 Volt DC |
| Maximum Operating Common Mode Voltage | 250 V |
| Common Mode Resistance | >1,000 Megohms |
| Timebase Temperature Coefficient | 50 PPM/°C |
| Power Requirements | 5 Volts DC (±0.15) @ 150 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AOVA-8
The SNAP-AOVA-8 requires a 24 VDC excitation voltage brought in through the field connector on the top of the module. This voltage is internally isolated with transformer and digital data isolators, and then used to source all channels.
SNAP 8-ch analog multifunction output, voltage or current
SNAP-AOVA-8
| Excitation Range | 18 TO 32 VDC |
| Excitation Current Required | 200mA @ 32VDC, 250mA @ 24VDC, 350mA @ 18VDC |
| 24V Excitation Fault Recovery Time | 15 mS nominal |
| Power Requirement (from the rack) | 5 VDC (±0.15) @ 150 mA |
| Maximum Operating Common Mode Voltage | 250 volts |
| Isolation | 1500 V (transient) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Data Refresh Time | 9 mS nom (update 1 ch/ms) |
| Operating Temperature | -20 to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
| Voltage Outputs | |
| Output Range (Resolution) | 0 to 5 VDC (1.22 mV) |
| 0 to 10 VDC (2.44 mV) | |
| -5 to +5 VDC (2.44 mV) | |
| -10 to +10 VDC (4.88 mV) | |
| Load Current | +/-10 mA min. each voltage output channel) |
| Short Circuit Current | 16 mA Typ. |
| Accuracy | 0.1% of span |
| Gain Temperature Coefficient | 30 PPM / °C |
| Offset Temperature Coefficient | 15 PPM / °C |
| Current Outputs | |
| Output Range (Resolution) | 4 to 20 mA (4 microamps) 0 to 20 mA (5 microamps) |
| Maximum Loop Resistance | 750 Ohms (each current output channel ) |
| Open Circuit Volts | 27 VDC max. (24 VDC typical) |
| Accuracy | 0.1% of span |
| Drift: Gain Temperature Coefficient | 30 PPM / °C |
| Drift: Offset Temperature Coefficient | 15 PPM / °C |
Temperature SNAP Analog I/O Modules
SNAP-AITM
The SNAP-AITM provides two channels of analog-to-digital conversion. Each channel can be configured for -150 to +150 mV DC or -75 to +75 mV DC, or for type E, J, or K thermocouple operation. Use isolated probes for thermocouple inputs.
SNAP 2-Ch Type E, J, K Thermocouple or -150mV to +150mV Analog Input Module
SNAP-AITM
| Input Range | From -150 mV to +150 mV From -75 mV to +75 mV |
| Over-Range Limits | From -165 to +165 mV (+/-150 mV range) From -82.5 to +82.5 mV (+/-75 mV range) |
| Resolution | 6 microvolts from -150 to +150 mV 3 microvolts from -75 to +75 mV |
| Cold Junction Temperature Compensation | Automatic when used with SNAP I/O processors |
| Input Filtering | -3 dB @ 7 Hz |
| Input Response Time (% of span/delta V/delta time) | 63.2%/95 mV/23 mS |
| Data Freshness (Max) | 167 ms (+/-150 mV) 334 ms (+/-75 mV) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy at Full Scale | 0.06% (90 microvolts) @ 150 mV 0.1% (75 microvolts) @ 75 mV |
| Drift: Gain Temperature Coefficient | 5 microvolts / °C |
| Drift: Offset Temperature Coefficient | 2 microvolts / °C |
| Thermocouple Accuracy [°C] From factory After user gain and offset commands | ± 2.0 (E, J, and K) ± 0.8 |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15) @ 170 mA |
| Input Resistance | 100 Megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 3 in-lb (0.34 N-m) |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AITM-2
The SNAP-AITM-2 provides two channels of analog input with a range of -50 to +50 mV, -25 to +25 mV, or type B,C,D,G,N,T,R, or S thermocouple. Use isolated probes for thermocouple inputs. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch Type B,C,D,G,N,T,R, or S Thermocouple Analog Input Module
SNAP-AITM-2
| Input Range | From -50 mV to +50 mVDC From -25 mV to +25 mVDC |
| Over-Range Limits | From -55 to +55 mV (+/-50 mV range) From -27.5 to +27.5 mV (+/-25 mV range) |
| Resolution | 2 microvolts from -50 mV to +50 mV 1 microvolts from -25 mV to +25 mV |
| Cold Junction Temperature Compensation | Automatic when used with SNAP brains |
| Input Filtering | -3 dB @ 2.4 Hz |
| Input Response Time (% of span/delta V/delta time) | 63.2%/31.5 mV/66 ms |
| Data Freshness (Max) | 167 ms (+/- 50 mV) 334 ms (+/- 25 mV) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy at Full Scale | 0.1% (50 microvolts) @ 50 mV 0.2% (50 microvolts) @ 25 mV |
| Drift: Gain Temperature Coefficient | 5 microvolts / °C |
| Drift: Offset Temperature Coefficient | 2 microvolts / °C |
| Thermocouple Accuracy [°C] | |
| From factory | B, R, S (±5) C, D, G (±4) T, N (±3) |
| After user gain and offset commands | B, R, S (±3) C, D, G (±2) T, N (±2) |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15 ) @ 170 mA |
| Input Resistance | 100 Megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 3 in-lb (0.34 N-m) |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIRTD
The SNAP-AIRTD provides two channels of analog temperature input. Nominal input temperature range is -200 to +850 degrees C. Input range is 0 to 400 ohms. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.
SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module
SNAP-AIRTD
| SNAP-AIRTD | |
| 3-wire RTD input | 100 ohm platinum; α= 0.00385 100 ohm nickel, -60 to 250 °C 120 ohm nickel, -80 to 260 °C |
| Input Temperature Range | -200 °C to 850 °C (-328° to +1,582° F) |
| Input Range | 0 to 400 ohms |
| Over-Range Limit | to 440 ohms |
| Resolution (average) | 0.042 °C (0.016 ohms) |
| Input Filtering | -3 dB @ 0.1 Hz |
| Data Freshness (Max) | 100 ms |
| Lead Compensation | Automatic when used with SNAP brains |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Excitation (typical) | 1.25 mA constant current |
| Maximum Lead Resistance | 40 ohms single wire (all leads to be equal resistance) |
| Maximum Fault Voltage at Input (between any 2 field wires) | ±15 V |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | |
| From factory | 0.8 °C |
| After setting gain and offset | 0.6 °C |
| Isolation | 1500 V |
| Power Requirements | 5.00 to 5.20 VDC @ 190 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AICTD
The SNAP-AICTD provides two channels of analog temperature input from any industry-standard Integrated Circuit Temperature Device (ICTD). Simple two-wire connections are made to the pluggable terminal strip on top of the module. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch Analog Temperature Input Module - ICTD
SNAP-AICTD
| Input Range with ICTD Probe | -40 °C to +100 °C |
| Module Input Range | |
| Zero Scale | -273 °C |
| Full Scale | +150 °C |
| Resolution | 0.017 °C |
| Accuracy with ICTD Probe | ±0.8 °C |
| Sensitivity | 1.0 microamps/ °C |
| Data Freshness (Max) | 167 ms (2-channel module) 355 ms (4-channel module) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (± .015 ) @ 150 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AITM-i
The SNAP-AITM-i provides two isolated channels of analog-to-digital conversion. Each channel can be configured for -150 to +150 mV DC, or -75 to +75 mV DC, or for type E, J, or K thermocouple operation.
SNAP 2-Ch Isolated Type E,J, or K Thermocouple Analog Input Module
SNAP-AITM-i
| Input Range | From -150 mV to +150 mV From -75 mV to +75 mV |
| Maximum Over Range | ± 10% (= ± 27500 counts) |
| Resolution | 6 µV from -150 mV to +150 mV 3 µV from -75 mV to +75 mV |
| Cold Junction Temperature Compensation | Automatic when used with SNAP brains |
| Input Filtering | -3 dB @ 7 Hz |
| Input Response Time (% of span/delta V/delta time) | 63.2%/95 mV/23 mS |
| Data Freshness | 65 ms for +/- 150 mV 130 ms for +/- 75 mV 130 ms for E-, J-, and K-type thermocouples |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.06% (90 µV) @ 150 mV (full scale) 0.1% (75 µV) @ 75 mV (full scale) |
| Drift: Gain Temperature Coefficient | 5 µV / °C |
| Drift: Offset Temperature Coefficient | 2 µV / °C |
| Thermocouple Accuracy [°C] | |
| From factory | ± 2.0 (E, J, and K) |
| After user gain and offset commands | ± 0.8 |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15) @ 200 mA |
| Input Resistance | 100 megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 3 in-lb (0.34 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-ATM2-i
The SNAP-AITM2-i provides two isolated channels, each with an input range of -50 to +50 mV, -25 to +25 mV, or type B,C,D,G,N,T,R, or S thermocouple. In addition to having two channels isolated from each other, the module is also transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch Isolated Type B,C,D,G,N,T,R, or S Thermocouple Analog Input Module
SNAP-AITM2-i
| Input Range | From -50 mV to +50 mVDC From -25 mV to +25 mVDC |
| Maximum Over Range | ± 10% (= ± 27500 counts) |
| Resolution | 2 µV from -50 mV to +50 mV 1 µV from -25 mV to +25 mV |
| Cold Junction Temperature Compensation | Automatic when used with SNAP brains |
| Input Filtering | -3 dB @ 2.4 Hz |
| Input Response Time (% of span/delta V/delta time) | 63.2%/31.5 mV/66 ms |
| Data Freshness | 65 ms for +/- 50 mV, 130 ms for +/- 25 mV, 130 ms for B-, R-, S-, and T-type thermocouples 65 ms for C-, D-, G-, and N-type thermocouples |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.1% (50 µV) @ 50 mV (full scale), 0.2% (50 µV) @ 25 mV (full scale) |
| Drift: Gain Temperature Coefficient | 5 µV / °C |
| Drift: Offset Temperature Coefficient | 2 µV / °C |
| Thermocouple Accuracy [°C] | |
| From factory | B, R, S (±5), C, D, G (±4), T, N (±3) |
| After user gain and offset commands | B, R, S (±3), C, D, G ( ±2), T, N (±2) |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15 ) @ 200 mA |
| Input Resistance | 100 megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 3 in-lb (0.34 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIR40K-4
The SNAP-AIR40K-4 provides four channels of analog-to-digital conversion, ideal for thermistors used in HVAC applications or for reading the resistance of potentiometer input. Default range is 0-40 K Ohms; the module can also be configured for 0-20 K, 0-10 K, or 0-5 K Ohms. Resistance probes must be isolated from each other.
SNAP 4-Ch Analog Thermistor Input Module
SNAP-AIR40K-4
| Input Range | 0 to 40,000 Ohms, 0 to 20,000 Ohms, 0 to 10,000 Ohms, 0 to 5,000 Ohms |
| Maximum Over-Range | 44 K (40 K Ohms range), 22 K (20 K Ohms range), 11 K (10 K Ohms range), 5.5 K (5 K Ohms range) |
| Resolution | 1.6 Ohm @ 40 K Ohms, 0.8 Ohm @ 20 K Ohms, 0.4 Ohm @ 10 K Ohms, 0.2 Ohm @ 5 K Ohms |
| Input Filtering | -3 dB @ 3.2 Hz |
| Data Freshness (Max) | 100 (40 K Ohms), 200 (20 K Ohms), 400 (10 K Ohms), 800 (5 K Ohms) |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.1% ± 40 Ohms @ 40 K Ohms, 0.1% ± 20 Ohms @ 20 K Ohms, 0.1% ± 10 Ohms @ 10 K Ohms, 0.1% ± 5 Ohms @ 5 K Ohms |
| DRIFT: Gain Temperature Coefficient | 30 PPM/ °C |
| DRIFT: Offset Temperature Coefficient | 15 PPM/ °C |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15 ) @ 190 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS |
| Warranty | Lifetime |
SNAP-AITM-8
The SNAP-AITM-8 provides eight channels of thermocouple or millivolt input. Each channel can be individually configured to accept a type B, C, D, E, G, J, K, N, R, S, or T thermocouple or a -75 to + 75 mV, -50 to +50 mV, or -25 to +25 mV input.
SNAP 8-Ch Type B, C, D, E, G, J, K, N, R, S, or T Thermocouple or +/-75, +/-50, or +/-25 mV Analog Input Module
SNAP-AITM-8
| Input Range | From -75 mV to +75 mV, From -50 mV to +50 mV, From -25 mV to +25 mV |
| Over-Range Limits | From -82.5 to +82.5 mV (+/-75 mV range), From -55 to +55 mV (+/-50 mV range), From -27.5 to +27.5 mV (+/-25 mV range) |
| Resolution | 3 microvolts from -75 mV to +75 mV, 2 microvolts from -50 mV to +50 mV, 1 microvolts from -25 mV to +25 mV |
| Cold Junction Temperature Compensation | Automatic when used with SNAP I/O processors |
| Input Filtering | -3 dB @ 5 Hz |
| Data Freshness (Max) | 2.25 s |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Max Operating Common Mode Voltage | 250 V |
| Accuracy at Full Scale | 0.1% (75 microvolts) @ 75 mV, 0.1% (50 microvolts) @ 50 mV, 0.2% (50 microvolts) @ 25 mV |
| Drift: Gain Temperature Coefficient | 5 microvolts / °C |
| Drift: Offset Temperature Coefficient | 2 microvolts / °C |
| Thermocouple Accuracy [°C] | |
| From factory | E, J, K (±2.0) B, R, S (±5) C, D, G (±4) T, N (±3) |
| After user gain and offset commands | E, J, K (±0.5) B, R, S (±3) C, D, G (±2) T, N (±2) |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15) @ 200 mA |
| Input Resistance | 100 Megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 3 in-lb (0.34 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AICTD-8
The SNAP-AICTD-8 provides eight channels of analog temperature input from any industry-standard Integrated Circuit Temperature Device (ICTD). Simple two-wire connections are made to standard connectors on top of the module. Although the eight channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 8-Ch Analog Temperature Input Module - ICTD
SNAP-AICTD-8
| Input Range with ICTD Probe | -40 °C to +100 °C |
| Module Input Range | |
| Zero Scale | -273 °C |
| Full Scale | +150 °C |
| Data Freshness (Max) | 0.28 seconds |
| Resolution | 0.017 °C |
| Accuracy with ICTD Probe | ±0.8 °C |
| Sensitivity | 1.0 mA/ °C |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (± .015 ) @ 170 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 1.7 in-lb (0.19 N-m) |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIRTD-10
The SNAP-AIRTD-10 provides two channels of analog temperature input. Nominal input range is -180 to +260 degrees C. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.
SNAP 2-Ch 10-Ohm Copper RTD Analog Temperature Input
SNAP-AIRTD-10
| 3-wire RTD input | 10 ohm copper; α= 0.00428 |
| Input Temperature Range | -180 °C to 260 °C (-292° to +500° F) |
| Input Range | 0 to 25 ohms |
| Over-Range Limit | to 27.5 ohms |
| Resolution (average) | 0.026 °C (0.001 ohms) |
| Input Filtering | -3 dB @ 100 Hz |
| Data Freshness (Max) | 168 ms |
| Lead Compensation | Automatic when used with SNAP PAC brains |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Excitation (typical) | 5.4 mA constant current |
| Maximum Lead Resistance | 15 ohms single wire (all leads to be equal resistance) |
| Maximum Fault Voltage at Input (between any 2 field wires) | ±15 V |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | |
| From factory | 0.6 °C |
| After setting gain and offset | 0.5 °C |
| Isolation | 1500 V |
| Power Requirements | 5.00 to 5.20 VDC @ 190 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | CE, RoHS, DFARS:UkCA |
| Warranty | Lifetime |
SNAP-AITM-4i
The versatile SNAP-AITM-4i module provides four channels of analog input with an input range of ±150 mV, ±75 mV, ±50 mV, ±25 mV, or Type B, C, D, E, G, J, K, N, R, S, or T thermocouple, and each channel can be individually configured.
SNAP 4-Ch Isolated Type B, C, D, E, G, J, K, N, R, S, or T Thermocouple or or +/-150, +/-75, +/-50, or +/-25 mV Analog Input Module
SNAP-AITM-4i
| Input Range | From -150 mV to +150 mVDC, From -75 mV to +75 mVDC, From -50 mV to +50 mVDC, From -25 mV to +25 mVDC |
| Maximum Over-Range | ± 10% (= ± 27500 counts) |
| Resolution | 6 µV from -150 mV to +150 mV, 3 µV from -75 mV to +75 mV, 2 µV from -50 mV to +50 mV, 1 µV from -25 mV to +25 mV |
| Cold Junction Temperature Compensation | Automatic when used with SNAP PAC brains |
| Input Filtering | -3 dB @ 5 Hz |
| Data Freshness | mV input: 75 ms Thermocouple input: 140 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Survivable Input | ±15 volts |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | 0.06% (90 µV) @ 150 mV (full scale), 0.1% (75 µV) @ 75 mV (full scale), 0.1% (50 µV) @ 50 mV (full scale), 0.2% (50 µV) @ 25 mV (full scale) |
| Drift: Gain Temperature Coefficient | 5 µV / °C |
| Drift: Offset Temperature Coefficient | 2 µV / °C |
| Thermocouple Accuracy [°C] | |
| From factory | B,R,S (±5.0) C,D,G (±4.0) E,J,K (± 2.0) N,T (±3.0) |
| After user gain and offset commands | B,R,S (±3.0) C,D,G (±2.0) E,J,K (± 0.8) N,T (±2.0) |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15 ) @ 150 mA |
| Input Resistance | 100 megohms (each channel) |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 3 in-lb (0.34 N-m) |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIRTD-1K
The SNAP-AIRTD-1K provides two channels of analog temperature input. Nominal input temperature range is -200 to +850 degrees C. Input range is 0-4000 ohms. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.
SNAP 2-channel 1000 Ohm Platinum RTD Analog Temperature Input Module
SNAP-AIRTD-1K
| 3-wire RTD input | 1000 ohm platinum @ 0 °C α= 0.00385, 1000 ohm nickel @ 0 °C α= 0.00618, 1000 ohm nickel @ 70 °F α= 0.00637 |
| Input Temperature Range | -200 °C to 850 °C (-328° to +1,582° F) |
| Input Range | 0 to 4000 ohms |
| Over-Range Limit | to 4400 ohms |
| Resolution (average) | 0.042 °C (0.16 ohms) |
| Input Filtering | -3 dB @ 0.1 Hz |
| Data Freshness (Max) | 100 ms |
| Lead Compensation | Automatic when used with SNAP brains |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Excitation (typical) | 0.256 mA constant current |
| Maximum Lead Resistance | 40 ohms single wire (all leads to be equal resistance) |
| Maximum Fault Voltage at Input (between any 2 field wires) | ±15 V |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | |
| From factory | 0.8 °C |
| After setting gain and offset | 0.6 °C |
| Isolation | 1500 V |
| Power Requirements | 5.00 to 5.20 VDC @ 190 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIR400K-8
The SNAP-AIR400K-8 module has eight channels of analog to digital conversion that convert resistance to temperature or to ohms. The module is ideal for NTC thermisters commonly used in HVAC, refrigeration, and process control applications. It may also be used with PTC thermisters in resistance sensing applications.
SNAP 8-Ch Analog Resistor/thermistor Input, 400 K Ohms
SNAP-AIR400K-8
| Input Range | 400 K, 200 K, 100 K, 50 K, 40 K, 20 K, 10 K, 5 K , 4 K, 2 K, 1 K, 500 Ohms, and Autorange | |||||
| Resolution | Resolution 16 Ohm 8 Ohm 4 Ohm 2 Ohm | Range 0 to 400 kOhms 0 to 200 kOhms 0 to 100 kOhms 0 to 50 kOhms | Resolution 1.6 Ohm 0.8 Ohm 0.4 Ohm 0.2 Ohm | Range 0 to 40 kOhms 0 to 20 kOhms 0 to 10 kOhms 0 to 5 kOhms | Resolution 0.16 Ohm 0.08 Ohm 0.04 Ohm 0.02 Ohm | Range 0 to 4 kOhms 0 to 2 kOhms 0 to 1 kOhms 0 to 500 Ohms |
| Accuracy (Ohms @ Range) | 400 Ohms @ 400 K 200 Ohms @ 200 K 100 Ohms @ 100 K 50 Ohms @ 50 K | 40 Ohms @ 40 K 20 Ohms @ 20 K 10 Ohms @ 10 K 5 Ohms @ 5 K | 4 Ohms @ 4 K 2 Ohms @ 2 K 1 Ohms @ 1 K 0.5 Ohms @ 500 | |||
| Data Freshness | 1.61 seconds maximum | |||||
| DSP Notch Filter | 20 Hz (- 3DB = 5.24 Hz) | |||||
| Excitation Current Nominal (Range & Load Watts Dissipation) | 9uA (50 K–4.1 uW), (100 K–8.1 uW), (200 K–16 uW), (400 K–32 uW) 90uA (5 K–40 uW), (10 K–81 uW), (20 K–160 uW), (40 K–320 uW) 200uA (500 K–20 uW), (1 K–40 uW), (2 K–80 uW), (4 K–160 uW) | |||||
| Autorange Step Time | 1.6 seconds to next higher or lower range >= 10 seconds for a 500 Ohms to 400 K Ohms step change | |||||
| Autorange Ohms Hysteresis | Ohms Open > 440K 20K between 200K & 400K, 10K between 100K & 200K, 5K between 50K & 100K, 19K between 40K & 50K, 2K between 20K & 40K, 1K between 10K & 20K, 500 between 5K & 10K, 1.9K between 4K & 5K, 200 between 2K & 4K, 100 between 1K & 2K, 50 between 500 & 1K | |||||
| DC Common Mode Rejection | >-120 dB | |||||
| AC Common Mode Rejection | >-120 dB @ 60 Hz | |||||
| Open Resistor Indicator | Channel resistance = 999,999.999 Ohms | |||||
| PAC Control Reads | temperature reading or -32768 Ohms if over or under range | |||||
| Maximum Operating Common Mode Voltage (Field Term to Logic Connector) | 500 VDC or peak VAC | |||||
| Drift Gain Tempco | 30 PPM / °C | |||||
| Drift Offset Tempco | 15 PPM / °C | |||||
| Power Requirements | 5 VDC (±0.15 ) @ 190 mA | |||||
| Operating Temperature | -20 °C to 70 °C | |||||
| Storage Temperature | -40 °C to 85 °C | |||||
| Humidity | 5-95%, non-condensing | |||||
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) | |||||
| Torque, connector screws | 5.22 in-lb (0.59 N-m) | |||||
| Agency Approvals | UL, CE; UKCA | |||||
| Warranty | Lifetime | |||||
SNAP-AIRTD-8U
The SNAP-AIRTD-8U analog input module provides 8 input channels, each individually software configurable. This module is commonly used for 3-wire RTD temperature inputs but is also suited to high-resolution resistance measurements. It features open circuit detection if any wire breaks.
RMS SNAP Analog I/O Modules
SNAP-AIRTD
The SNAP-AIRTD provides two channels of analog temperature input. Nominal input temperature range is -200 to +850 degrees C. Input range is 0 to 400 ohms. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.
SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module
SNAP-AIRTD
| SNAP-AIRTD | |
| 3-wire RTD input | 100 ohm platinum; α= 0.00385 100 ohm nickel, -60 to 250 °C 120 ohm nickel, -80 to 260 °C |
| Input Temperature Range | -200 °C to 850 °C (-328° to +1,582° F) |
| Input Range | 0 to 400 ohms |
| Over-Range Limit | to 440 ohms |
| Resolution (average) | 0.042 °C (0.016 ohms) |
| Input Filtering | -3 dB @ 0.1 Hz |
| Data Freshness (Max) | 100 ms |
| Lead Compensation | Automatic when used with SNAP brains |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Excitation (typical) | 1.25 mA constant current |
| Maximum Lead Resistance | 40 ohms single wire (all leads to be equal resistance) |
| Maximum Fault Voltage at Input (between any 2 field wires) | ±15 V |
| Maximum Operating Common Mode Voltage | 250 V |
| Accuracy | |
| From factory | 0.8 °C |
| After setting gain and offset | 0.6 °C |
| Isolation | 1500 V |
| Power Requirements | 5.00 to 5.20 VDC @ 190 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIVRMS
The SNAP-AIVRMS provides two channels of 0-250 V AC or DC analog input. It may be used to monitor 120/240-volt AC/DC and 12/24/48-volt AC/DC system voltage. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices.
SNAP 2-Ch 0-250 V RMS AC/DC Analog Input Module
SNAP-AIVRMS
| Input Range | 0 to 250 V RMS AC/DC |
| Input Over-Range | To 275 V |
| Input Resistance | 1 M ohms |
| Accuracy | ±0.2 V and ±0.2% reading |
| Resolution | 10 mV |
| DC Reversal | ± 0.4 V (.16%) |
| Input Response Time (Step Change) | 5% (12.5 V) in 100 mS 63.2% (158 V) in 200 mS 99% (248 V) in 1200 mS |
| Data Freshness (Max) | 32.3 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating Common Mode Voltage | 250 V |
| Isolation | 1500 V |
| Power Requirements | 5 VDC (±0.15 V) at 170 mA |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Wire size | 22 to 14 AWG |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Agency Approvals | UL, CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
SNAP-AIVRMS-i
The SNAP-AIVRMS-i module provides two isolated channels with an input range of 0 to 250 volts AC or DC. The SNAP-AIVRMS-i module may be used to monitor 120/240-volt AC/DC and 12/24/48-volt AC/DC system voltage and is ideal for differential voltage measurements.
SNAP Isolated 2-Ch 0-250 V RMS AC/DC Analog Input Module
SNAP-AIVRMS-i
| Input Range | 0 to 250 V RMS AC/DC |
| Input Over Range | To 275 V |
| Input Resistance | 1 megohms |
| Accuracy | ±0.2 V and ±0.2% reading |
| Resolution | 10 mV |
| DC Reversal | ± 0.2 V (0.08%) |
| Input Response Time (Step Change) | 63.2% (158 V) in 50 ms 99% (248 V) in 75 ms |
| Data Freshness | 0.025 s |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB @ 60 Hz |
| Maximum Operating | |
| Voltage Between Channels | 250 V |
| Common Mode Voltage | 250 V |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15 V) at 200 mA |
| Ambient Temperature | |
| Operating | -20 °C to 70 °C |
| Storage | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS |
| Warranty | Lifetime |
SNAP-AIARMS-i
The SNAP-AIARMS-i module provides two isolated channels with an input range of 0 to 10 amps RMS AC/DC. An ideal input is the 5-amp secondary of a standard current transformer used to monitor AC line current. The module may also be used to monitor AC current to greater than a 100-amp range, using a current transformer of suitable ratio.
SNAP Isolated 2-Ch 0-10 amp RMS Analog Input Module
SNAP-AIARMS-i
| Input Range | 0 to 10 amp RMS AC/DC |
| Input Over Range | To 11 amps |
| Input Resistance | 0.005 ohms |
| Maximum Input | 11 amps AC/DC |
| Accuracy (AC) | ±8 mA and ±0.2% reading |
| Resolution | 400 µA |
| DC Reversal | ±16 mA (0.16%) |
| Input Response Time (Step Change) | 63.2% (6.32 A) in 50 ms 99% (9.92 A) in 75 ms |
| Data Freshness (Max) | 0.025 ms |
| DC Common Mode Rejection | >-120 dB |
| AC Common Mode Rejection | >-120 dB at 60 Hz |
| Maximum Operating | |
| Voltage Between Channels | 250 V |
| Common Mode Voltage | 250 V |
| Isolation: Optical | 4000 V |
| Isolation: Transformer | 1500 V |
| Isolation: Channel to Channel | 250 V continuous (1500 V transient) |
| Power Requirements | 5 VDC (±0.15 V) at 200 mA |
| Ambient Temperature | |
| Operating | -20 °C to 70 °C |
| Storage | -40 °C to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Power Requirements | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
Rate SNAP Analog I/O Modules
SNAP-AIRATE-HFi
The SNAP-AIRATE-HFi module provides frequency to digital conversion. Each of the two isolated channels can be configured for a 0.1-second measurement interval, providing an input range of 20 Hz to 500 kHz, or a 1-second measurement interval, providing an input range of 2 Hz to 500 kHz.
SNAP Isolated 2-Ch Analog Frequency Input, 2 Hz to 500 kHz or 20 Hz to 500 kHz
SNAP-AIRATE-HFi
| Input Range | 2 Hz - 500 kHz at 1.0 s Data Freshness 20 Hz - 500 kHz at 0.1 s Data Freshness |
| Input Voltage Range | |
| Sine wave >= 2000 Hz | 3.0 V to 48 Vp-p |
| Sine wave at 200 Hz | 4.0 V to 48 Vp-p |
| Sine wave at 20 Hz | 5.0 V to 48 Vp-p |
| Sine wave at 2 Hz | 17 V to 48 Vp-p |
| Square wave | 3.0 V to 48 Vp-p |
| Maximum survivable | 110 Vp-p |
| Input Impedance | 55 kOhms |
| Input Coupling | Single-ended AC |
| Pull-up Voltage | 6 to 9 VDC |
| Pull-up Resistor | 3.6 kOhm |
| Minimum Pulse Width | 1 microsecond |
| Data Freshness* | 0.1 s at 20 Hz - 500 kHz 1.0 s at 2 Hz to 500 kHz |
| Resolution (Hz) | f / (48,000,000 * Data Freshness), where f is the current frequency measurement |
| Accuracy (at 1.0 s Data Freshness) | +- 0.005% of input for input greater than 500 Hz +- 0.005% of input plus an additional +- 0.006 Hz for input less than 500 Hz |
| Maximum Operating Common Mode Voltage | 250 V Continuous 1500 V Transient |
| DC Common Mode Rejection | > -120 dB |
| AC Common Mode Rejection | > -120 dB at 60 Hz |
| Isolation: Channel to Channel | 250 V Continuous 1500 V Transient |
| Power Consumption | 1.05 W (210 mA @ 5 V) |
| Ambient Temperature | |
| Operating | -20 to 70 °C |
| Storage | -40 to 85 °C |
| Humidity | 5-95%, non-condensing |
| Torque, hold-down screws | Not to exceed 1 in-lb (0.11 N-m) |
| Torque, connector screws | 5.22 in-lb (0.59 N-m) |
| Wire size range | 22 to 14 AWG |
| Agency Approvals | CE, RoHS, DFARS; UKCA |
| Warranty | Lifetime |
| * User selectable. Default is 0.1 seconds. | |
