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$430.00 (USA and Canada only)

Availability: In stock
Analog input, temperature, ICTD, 12 channels

Production Specification

The GRV-IICTD-12 analog input module is part of the groov EPIC® system. This module collects temperature input data from any industry-standard Integrated Circuit Temperature Device (ICTD), such as the ICTD and ICTD-P3. The module has 12 channels of input.

The GRV-IICTD-12 mounts on a groov EPIC chassis with other analog, discrete, and serial groov I/O modules and a GRV-EPIC-PR1 processor. 





Offset and Gain


Minimum/Maximum Values


Average Filter Weight


Simple Moving Average


Analog Totalizing


Problem indication





Input Range

-270.0 °C to 150 °C (-454.0 °F to 302 °F)

Input Range with ICTD Probe

-40.0 °C to 100 °C (-40.0 °F to 212 °F)

Input Range uA

3 to 425 µA

Over-range limits

-270.0 °C to 150 °C (-454.0 °F to 302 °F)


0.005 °C (0.0072 °F)

Accuracy with ICTD PROBE

±0.8 °C (±1.4 °F)

Input Filter

-3 dB at 460 HZ

Software Data Filtering:

SMA (simple moving average)

Weighted filter (Original)

1 to 32 Readings, moving average

1 to 4096 Filter Weight

Step Input Response Time

225 ms x SMA value (7.2 s @ 32 SMA, Default SMA = 4 )

Data Freshness

225 ms

Analog Data Filtering

-3 dB @ 2.4 Hz / -25 dB @ 60 Hz

Common Mode Rejection

> -120 dB AC/DC

Problem Indications

out of range

Isolation (field-to-logic)

300 V working, 1500 V transient (1 minute)

Isolation (channel-to-channel)


Number of Channels


Chassis Power Consumption

1.0 W

Minimum GRV-EPIC-PR1 Firmware Version


Minimum PAC Project Version 10.2000

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)


Agency Approvals

UL/cUL (Class 1 Div. 2)a; CE, ATEX (Category 3, Zone 2), RoHS; DFARS; CB Scheme



a For use in hazardous locations, equipment must be mounted in an enclosure that meets the requirements of the National Electrical Code, ANSI/NFPA 70, and ANSI/ISA-61010-1 (82.02.01).

groov ICTD Temperature Input Module Data Sheet

The groov ICTD temperature input module, part number  GRV-IICTD-12, is part of Opto 22's groov EPIC® System. This document includes descriptions, specifications, and wiring and dimensional diagrams.

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.

Letter of Conformity for groov EPIC

This Letter of Conformity is provided to support Declaration of Conformity (GRV-EPIC), form 2261.

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.

GRV-IICTD-12 Module Firmware

This download contains current firmware for the GRV-IAC-24 module. For a list of bug fixes and enhancements included in this firmware, see the groov I/O Modules Firmware readme.

You can download the previous version of the firmware by clicking on this link: 1.3a

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.

No videos or demos are available for this product.