Industrial I/O Processors (Brains)

About Opto 22 SNAP I/O Family

SNAP analog modules are designed for harsh environments: all are transformer isolated and optically isolated from the field side to the control side. An isolated input module or output module offers channel-to-channel isolation, too. Each SNAP analog module contains 2 to 32 channels of I/O—software configurable by channel—so a small number of modules can handle a wide range of inputs.

View all Industrial I/O Processors (Brains)

SNAP-PAC-R1

SNAP-PAC-R1 programmable automation controller provides control, communication, and I/O processing in a compact, rack-mounted package. A versatile controller, the SNAP-PAC-R1 is:

Fully integrated with PAC Project software, SNAP PAC brains, and SNAP I/O modules;
Compatible with groov EPIC, either as a SNAP PAC R-series I/O unit to a groov EPIC or to control groov EPIC I/O units (requires PAC Control R10.0a or higher); and
Can be used as a remote Ethernet I/O unit to custom control applications running on controllers or PCs.

SNAP PAC R-SERIES CONTROLLERS

Processor

GEN2 edition: 528 MHz 32-bit Single-core Arm Cortex®-A7
Earlier edition: 200 MHz 32-bit ColdFire® 5475

Total RAM

GEN2 edition: 256 MB (approx. 64 MB reserved for PAC Control strategy and approx. 30 MB reserved for file storage)
Earlier edition: 16 MB (approx. 5 MB reserved for PAC Control strategy and approx. 2 MB reserved for file storage)

Battery-backed RAM

2 MB (approx. 1 MB available for PAC Control strategy)

Flash

GEN2 edition: 16 MB (approx. 7 MB reserved for PAC Control strategy; approx. 1 MB reserved for file storage)
Earlier edition: 8 MB (approx. 3.25 MB reserved for PAC Control strategy; approx. 384 KB reserved for file storage)

Removable Storage

GEN2 edition: MicroSD card slot supports microSD and microSDHC up to 32 GB; microSDXC cards that have been repartitioned to 32GB or less and reformatted to FAT32.
Earlier edition (models with manufacture dates of November 2008 and newer).
Firmware R9.4a or higher and loader R6.1a or higher: microSD card slot supports microSD or microSDHC cards to 32 GB.
Firmware R8.4 through R9.3e: microSD card slot supports microSD cards up to 2 GB.

Backup Battery

Rechargeable (recharges whenever the unit has power).
GEN2 edition: 1.5-year power-off data retention.
Earlier edition: 3-year power-off data retention.
Replacement part number: SNAP-PAC-BATTERY-ML24301.

Ethernet

Two independent 10/100 Mbps Ethernet network interfaces (RJ-45 connectors). Each interface has a separate IP address. Connects to host and I/O. Supports Auto MDI-X (crossover cable not needed).

RS-232 Serial

One RS-232 serial port2 with hardware handshaking. Connects to host (via modem and PPP) or serial device. Cannot connect to serial I/O.

I/O Unit Compatibility

SNAP PAC I/O units: SNAP PAC R-series and EB-series I/O units
groov RIO edge I/O units
groov EPIC I/O units

Power Requirements

5.0–5.2 VDC @ 1.5 A

Hold-down Screw

Torque: Not to exceed 1 in-lb (0.11 N-m)

Connector Screw

Torque: 1.7 in-lb (0.19 N-m)

Operating Temperature

-20 °C to 60 °C

Storage Temperature

-40 °C to 85 °C

Humidity

0% to 95% relative humidity, non-condensing

PAC Project Basics

Includes programming, HMI, and configuration software; included with purchase of controller.

PAC Project Professional5

PAC Project Basic features plus OPC DA 2.0-compliant OPC server, database connectivity, OptoControl strategy and OptoDisplay project importing, and support for Ethernet link redundancy or network segmenting.

REST API3

se HTTPS to access data (read/write or read-only) from controller tags using your chosen programming language. Data returned in JSON. More information at developer.opto22.com

Number of charts that can run simultaneously

GEN2 edition: 32
Earlier edition: 16

Agency Certifications

DFARS, CE, RoHS, UKCA, UL, ATEX

Warranty

30 months from date of manufacture

Other features

Multiple protocol support including TCP/IP, HTTP/HTTPS, FTP, EtherNet/IP, Modbus/TCP, SNMP v2.0c, OptoMMP™, and SMTP.
Built-in I/O processor handles up to 16 digital4, analog, and serial I/O modules on the same rack.
Real-time clock.
FTP server/client with file system (in RAM and removable storage).
Scratch Pad area for peer-to-peer communication.
Configurable link redundancy or segmented networking for I/O-controller subnetting (when using PAC Project Professional).

1 Models manufactured before July 1, 2007 have a user-replaceable 3-volt CR2032 Lithium battery (typical service life with power off: 5 years).
2 Connecting to a serial device requires configuration in PAC Manager; PAC Control handles communication.
3 Requires firmware R9.5a or higher
4 SNAP-PAC-R1s with serial numbers lower than 600,000, and all SNAP-PAC-R1-Bs, are limited to eight 4-channel digital modules per rack; remaining eight can be analog, serial, and high-density digital modules.
5 For the GEN2 edition, use PAC Project R10.0 or higher.

Users Guide

B3000-B and B3000-B-OMUX

The B3000-B is a mistic serial brain designed as a modern drop-in replacement for the serial B3000 brain. With the same functionality as the B3000, except that it does not support the Optomux protocol.

The B3000-B replaces a B3000 that uses the mistic protocol. This model is compatible with FactoryFloor controllers running OptoControl strategies and SNAP B-series mounting racks. The B3000-B has the same functionality as the B3000 but supports mistic only.
The B3000-B-OMUX replaces a B3000 that uses the Optomux protocol. This model is compatible with SNAP B-series mounting racks and contains firmware suited for an Optomux system.

B3000-B and B3000-B-OMUX Datasheet

Power Requirements

5.0–5.2 VDC at 750 mA maximum (does not include module power requirements)

Operating Temperature

0 to 60 °C

Storage Temperature

-40 to 85 °C

Humidity

0–95% humidity, non-condensing

Communications Interface

RS-485, 2- or 4-wire, twisted pair(s), with shield

Data Rates

300 baud to 230.4 Kbaud

Range: Multidrop

32 stations maximum between repeaters; up to 3000 ft (914 m) between repeaters

LED Indicators

SERIAL (transmit/receive), STAT (brain status), IRQ (interrupt)

Options: Switch Selectable

Address
Baud rate
Binary/ASCII
CRC/Checksum

Agency Approvals

CE, DFARS, UKCA

Users Guide

SNAP-B4

A high-performance digital brain used to connect and control up to 32 channels of digital I/O using Opto 22’s SNAP “B Series” I/O mounting racks and the Pamux bus. The SNAP-B4, combined with Opto 22’s AC28 interface card and a host PC, provides the world’s fastest digital I/O.

Capable of communicating over a 50-pin flat ribbon cable (Pamux bus) and can be located up to 500 feet away from the host processor. The Pamux bus has 64 possible addresses. Each group of eight I/O points occupy one address, therefore the Pamux bus can control up to 512 digital and analog I/O points. Each SNAP-B4 brain controls 32 digital I/O points and occupies four consecutive addresses on the Pamux bus.