Manufacturing AUTOMATION

Opto 22 releases groov serial I/O module

February 14, 2019
By Manufacturing AUTOMATION

February 14, 2019 – Opto 22 has released the groov serial I/O module GRV-CSERI-4 for communications.

This module plugs into the compnay’s groov Edge Programmable Industrial Controller (EPIC) chassis alongside the company’s discrete and analog I/O modules, to provide a mix of analog, discrete and serial signals at any location.

Many industrial automation applications require communication between the controller and multiple serial devices. This new module provides four independent and isolated serial ports for this purpose, communicating with RS-232 or RS-485 serial devices. Up to four modules can be installed in one groov EPIC chassis, providing a total of 16 serial ports to support these communication requirements.

Each port is selectable for RS-232 or RS-485 mode, with programmable termination and bias as well as half- or full-duplex options in RS-485 mode. Baud rates of up to one Mbps are supported.


For serial devices communicating via standard protocols, the included PAC Control flowchart-based programming software offers communication handles to serial devices. The groov EPIC also uses Ignition Edge from Inductive Automation, which provides support for hundreds of communication drivers. 

Once communication is established with serial devices, multiple programming options are available with groov EPIC to link devices.

The rugged module operates in temperatures from-20 to 70 °C (-40 to 85 °F) and relative humidity (non-condensing) of five to 95 per cent. Agency approvals include UL/cUL (Class 1 Div. 2); CE, ATEX (Category 3, Zone 2), RoHS; DFARS; and CB Scheme.

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