OPTO 22 - GRV-IAC-24 _ AC digital input, 24 channels, 85-140 VAC

Quick Specs:

AC digital input
24 channels
85-140 VAC

The GRV-IAC-24 is a groov EPIC^® system AC input module that can sense the status from devices such as pumps, fans, and motors that use a 85 - 140 VAC signal. It can sense status from up to 24 devices and offers a full set of features, including:

On/off state
On/off latching
On/off totalization
Frequency measurement
Period measurement
Pulse measurement

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

NOTE: For projects with simple requirements, a lower-cost option is the GRV-IACS-24 module, which offers only on and off sensing.

Specifications:

Feature	GRV-IAC-24	GRV-IACS-24	GRV-IACI-12	GRV-IACIS-12
Number of channels	24	24	12	12
Channel-to-channel isolation			x	x
On/off state	x	x	x	x
On/off latching	x		x
On/off totalization	x		x
Frequency measurement	x		x
Period measurement	x		x
Pulse measurement	x		x

Specification	GRV-IAC-24	GRV-IACS-24	GRV-IACI-12	GRV-IACIS-12
Nominal Input Voltage Range (RMS)	85 - 140 VAC	85 - 140 VAC	85 - 140 VAC	85 - 140 VAC
Turn-on Voltage	85 VAC	85 VAC	85 VAC	85 VAC
Turn-off Voltage	35 VAC	35 VAC	35 VAC	35 VAC
Input Impedance (± 5%)	133 kOhms	133 kOhms	68 kOhms	68 kOhms
Operating Frequency	40 Hz to 400 Hz	40 Hz to 400 Hz	40 Hz to 400 Hz	40 Hz to 400 Hz
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)
Isolation (channel-to-channel)	NONE	NONE	300 V working	300 V working
Number of Channels	24	24	12	12
Chassis Power Consumption	1.0 W	1.0 W	1.0 W	1.0 W
Wire Size	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)
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)
Temperature (operating)	-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
Relative Humidity (non-condensing)	5 - 95%	5 - 95%	5 - 95%	5 - 95%
Agency Approvals	UL/cUL(Class 1 Div. 2)^a; CE, ATEX (Category 3, Zone 2); RoHS; DFARS; CB Scheme; UKCA
Warranty	Lifetime	Lifetime	Lifetime	Lifetime
^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).

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