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$595.00 (USA and Canada only)

Availability: Call for Availability
Analog current input, 24 channels, configurable input ranges of ±20 mA, 0-20 mA, 4-20 mA

Production Specification

The GRV-IMA-24 analog input module is part of the groov EPIC® system. This module provides 24 channels of analog current input with an input range of ±20 mA, 0–20 mA, and 4–20 mA. Ranges are software configurable. 

The GRV-IMA-24 mounts on a groov EPIC chassis with other analog, discrete, and serial groov I/O modules and a GRV-EPIC-PR1 processor. 


Specification GRV-IMA-24
Input Range (per channel) -20 to +20 mA, 0 to 20 mA, 4 to 20 mA
Over-range limits -22 mA to +22 mA
Resolution 0.02 µA (20-bits)
Accuracy ± 0.1% ( ± 20 µA )
Input Voltage Drop nominal (Impedance 20%) 5.5 V nominal @ 20 mA (275 Ohms)
Input Filter (hardware) -3 dB at 140 Hz
Software Data Filtering: simple moving average (SMA) and Weighted Filter SMA: 1 to 32 Readings
Filter Weight: 1 to 4096
Input Response Time 277 ms x SMA value (8.8 s with @ 32 SMA, Default SMA=4)
Data Freshness / Update 277 ms
Analog Data Filtering -3 dB @ 2.4 Hz / -25 dB @ 60 Hz
AC/DC Common Mode Rejection > -120 dB
Max. Survivable Input ± 32 V
Max. Operating Common Mode Voltage 250 V
Problem Indications out of range
Isolation (field-to-logic) 300 V working, 1500 V transient (1 minute)
Isolation (channel-to-channel) 300 V between zone A (Ch 0-11) and zone B (ch 12-23)
Number of Channels 24
Chassis Power Consumption 1.0 W
Wire Size 28-14 AWG
Torque, connector screw 2.5 in-lb (0.28 N-m)
Torque, hold-down screw 3.5 in-lb (0.4 N-m)
Temperature (operating) -20 °C to +70 °C
Temperature (storage) -40 °C to +85 °C
Relative Humidity (non-condensing) 5–95%
Agency Approvals UL/cUL(Class 1 Div. 2); CE, ATEX(Category 3, Zone 2), RoHS; DFARS; CB Scheme
Warranty Lifetime

groov Analog Current Input Module Data Sheet

The groov analog input module is part of Opto 22's groov EPIC® System. This document includes descriptions, specifications, and wiring and dimensional diagrams for most analog current input modules.

groov I/O Modules Firmware Readme

Readme for the latest update to the groov I/O modules. Includes information on new features, enhancements, and bug fixes.

Declaration of Conformity (groov EPIC and groov RIO)

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.

CAD Drawing: groov I/O Module

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.

GRV-IMA-24 Module Firmware

This download contains current firmware for the GRV-IMA-24 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 the previous version of the firmware by clicking on this link: 1.3a1.0l

Accuracy vs Resolution

What's the difference between accuracy and resolution in analog I/O specifications? Try your own specs in the calculator.