OPTO 22 – GRV-IDC-24 _ DC digital input, 24 channels, 15-30 V
Quick Specs:
- DC digital input
- 24 channels
- 15-30 V
The GRV-IDC-24 digital DC input module can sense the on or off status for 10 – 30 VDC input devices such as proximity switches, push buttons, and auxiliary contacts. The module is leakage tolerant and offers a full set of features, including:
- On/off state
- On/off latching
- On/off totalization
- Frequency measurement
- Period measurement
- Pulse measurement
Part of thegroovEPIC system, the GRV-IDC-24 mounts on agroovEPIC® chassis with a GRV-EPIC-PR1 processor and additional discrete, analog, and serialgroovI/O modules.
NOTE: For projects that require on/off status only, see the lower cost GRV-IDCS-24 instead.
Specifications:
| Feature | GRV-IDC-24 | GRV-IDCS-24 | GRV-IDCI-12 | GRV-IDCIS-12 | GRV-IDCIFQ-12 |
|---|---|---|---|---|---|
|
Number of channels |
24 |
24 |
12 |
12 |
12 |
|
Channel-to-channel isolation |
|
|
x |
x |
x |
|
On/off state |
x |
x |
x |
x |
x |
|
On/off latching |
x |
|
x |
|
x |
|
Counting |
x |
x |
x |
||
|
On/off totalization |
x |
|
x |
|
x |
|
Frequency measurement |
x |
|
x |
|
x |
|
Period measurement |
x |
|
x |
|
x |
|
Pulse measurement |
x |
|
x |
|
x |
|
Quadrature |
|
|
|
|
x |
| Specification | GRV-IDC-24 | GRV-IDCS-24 | GRV-IDCI-12 | GRV-IDCIS-12 | GRV-IDCIFQ-12 |
|---|---|---|---|---|---|
| Input Voltage | 15 – 30 VDC | 15 – 30 VDC | 10 – 30 VDC 10 – 25 VAC |
10 – 30 VDC | 2.5 – 30 VDC |
| IEC Input Type | Type I | Type I | Type III | Type III | N/A |
| Turn ON Characteristic | 15 V,> 2 mA | 15 V,> 2 mA | 10 V,> 2 mA | 10 V,> 2 mA | 2.5 V |
| Turn OFF Characteristic | 5 V, <0.5 mA | 5 V, <0.5 mA | 5 V, <1.5 mA | 5 V, <1.5 mA | 1.8 V |
| Input Impedance (± 5%) | See Note 1. | See Note 1. | See Note 1. | See Note 1. | 1.1 K at 5 V, 2.2 K at 12 V, 3.5 K at 24 V |
| Max. On/Off Freq. (DC Input, 50% square wave) | 1000 Hz (24 Vp-p) | 1000 Hz (24 Vp-p) | 1000 Hz (24 Vp-p) | 1000 Hz (24 Vp-p) | Counting: 200 kHz, Quadrature: 50 kHz |
| Max. On/Off Freq. (AC Input, 24 VAC, 60 Hz) | N/A | N/A | 20 Hz | N/A | N/A |
| Operating Frequency for AC Input | N/A | N/A | 45 – 100 Hz | N/A | N/A |
| Isolation (field-to-logic) | 300 V working, 1500 V transient (1 minute) | 300 V working, 1500 V transient (1 minute) | 300 V working, 1500 V transient (1 minute) | 300 V working, 1500 V transient (1 minute) | 300 V working, 1500 V transient (1 minute) |
| Isolation (channel-to-channel) | None | None | 300 V working | 300 V working | 300 V working |
| Number of Channels | 24 | 24 | 12 | 12 | 12 |
| Chassis Power Consumption | 1.2 W | 1.2 W | 1.2 W | 1.2 W | 1.0 W |
| Minimum groov EPIC Firmware Version | 1.0.0 | 1.0.0 | 1.0.0 (3.3.0 for VAC input) | 1.0.0 | 1.3.0 |
| Minimum PAC Project Version | 10.0000 | 10.0000 | 10.0000 (10.4000 for VAC input) | 10.0000 | 10.2000 |
| Minimum Library Package for CODESYS Version | 1.0.0.0 | 1.0.0.0 | 1.0.0.0 (2.0.3.0 for VAC input) | 1.0.0.0 | 1.0.0.0 (2.0.1.0 for quadrature) |
| Wire Size | 28 – 14 AWG | 28 – 14 AWG | 28 – 14 AWG | 28 – 14 AWG | 28 – 14 AWG |
| Torque, connector screw | 2.5 in-lb (0.28 N-m) | 2.5 in-lb (0.28 N-m) | 2.5 in-lb (0.28 N-m) | 2.5 in-lb (0.28 N-m) | 2.5 in-lb (0.28 N-m) |
| Torque, hold-down screw | 3.5 in-lb (0.4 N-m) | 3.5 in-lb (0.4 N-m) | 3.5 in-lb (0.4 N-m) | 3.5 in-lb (0.4 N-m) | 3.5 in-lb (0.4 N-m) |
| Temperature (operating) | -20 °C to +70 °C | -20 °C to +70 °C | -20 °C to +70 °C | -20 °C to +70 °C | -20 °C to +70 °C |
| Temperature (storage) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Relative Humidity (non-condensing) | 5 – 95% | 5 – 95% | 5 – 95% | 5 – 95% | 5 – 95% |
| Agency Approvals | UL/cUL(Class 1 Div. 2) (See Note 2.); CE, ATEX(Category 3, Zone 2), RoHS; DFARS; CB Scheme; UKCA | ||||
| Warranty | Lifetime | Lifetime | Lifetime | Lifetime | Lifetime |
Note 1: IEC inputs have non-linear impedance. See the tables in the data sheet for typical V-I curves.
Note 2: 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).







