(USA and Canada only)
Number of channels
Open Circuit Voltage (Switch Open)
> 20 V
Channel Current Limit
2.0 mA ±25%
Channel Operating Current
0.7 mA typical
Minimum Off Resistance
Maximum On Resistance
Turn ON Characteristic
> 5 V
Turn OFF Characteristic
< 1.5 V
Maximum Continuous Survivable Input Voltage
Max. Freq. (50% square wave)
> 500 microseconds
300 V working, 1500 V transient (1 minute)
Number of Channels
Chassis Power Consumption
Minimum GRV-EPIC-PR1 Firmware Version
Minimum PAC Project Version
Minimum Library Package for CODESYS Version
Torque, connector screw
2.5 in-lb (0.28 N-m)
Torque, hold-down screw
3.5 in-lb (0.4 N-m)
-20 °C to +70 °C
-40 °C to +85 °C
Relative Humidity (non-condensing)
UL/cUL(Class 1 Div. 2); CE, ATEX(Category 3, Zone 2), RoHS; DFARS; CB Scheme; UKCA
groov 10–30 VDC and 10-25 VAC input modules are part of Opto 22's groov EPIC® System. This document includes descriptions, specifications, and wiring and dimensional diagrams for the following part numbers:
This document lists the latest updates to the firmware for groov I/O modules. It includes information on new features, enhancements, and bug fixes.
List of groov I/O module firmware download pages
Note: This document was formerly called a readme. The name was changed to more accurately describe its content.
This document is the Manufacturer's Declaration of Conformity for the products listed herein, in accordance with the rules, regulations and standards of the United Kingdom. The models cited have been tested to the essential requirements listed in the Standards section, and fully comply with the legislation as listed in UK Legislation section.
This ATEX Letter of Conformity is provided to support CE Declaration of Conformity (groov EPIC and groov RIO), form 2261.
This document is the Manufacturer's Declaration of Conformity for the products listed herein, in accordance with European, international, and/or national standards and regulations.
This ZIP file includes drawings in a variety of file formats (pdf, dwg, stp) that apply to all groov I/O modules.
Note: These drawings do not apply to groov RIO modules.
This download contains current firmware for the GRV-IDCSW-12 module. For a list of bug fixes and enhancements included in this firmware, see the groov I/O Modules Firmware Readme document.
You can download any previous version of the firmware by clicking on the corresponding link: 1.3c, 1.3b, 1.3a