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An industrial control system requires signals from the real world to be connected to IO modules capable of handling the type of various signals.
The G4 range of IO modules from Opto 22 are rack mount, single-channel and multi-channel devices, which provide direct connection to digital input and output process signals.
The G4 range of IO modules was the original Opto 22 single channel isolated IO series. A G4 IO interface module is rack mounted, and there are 2-types of G4 module racks.
- Digital Racks – Single channel digital only module rack
- Analogue Racks – Single channel analogue only module rack