OPTO 22 - GRV-IACDCTTL-24 _ AC/DC input, 24 channels, 2.0-16 V AC/DC

Quick Specs:

AC/DC input
24 channels
2.0-16 V AC/DC

The GRV-IACDCTTL-24 digital input module can sense the on or off status for up to 24 AC or DC devices between 2.0 and 16 volts. Its 24 channels are not isolated from each other; all channels share a common reference terminal.

The GRV-IACDCTTL-24 module offers a full set of features:

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

The GRV-IACDCTTL-24 module mounts on a groov EPIC^® chassis alongside a GRV-EPIC-PR1 processor and other digital, analog, and serial groov I/O modules to provide the mix of signals you need at any location.

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

Specifications:

Feature	GRV-IACDCTTL-24	GRV-IACDCTTLS-24
Number of channels	24	24
Channel-to-channel isolation
On/off state	x	x
On/off latching	x
On/off totalization	x
Frequency measurement	x
Period measurement	x
Pulse measurement	x

Specification	GRV-IACDCTTL-24	GRV-IACDCTTLS-24
Input Voltage	2 - 16 VAC / VDC	2 - 16 VAC / VDC
Turn-on Voltage	2.0 VAC (Peak) / VDC	2.0 VAC (peak) / VDC
Turn-off Voltage	0.8 VAC (Peak) / VDC	0.8 VAC (Peak) / VDC
Input Impedance (±5%)	2 kOhms	2 kOhms
Max. Freq. (50% square wave 5 Vp-p)	2000 Hz	N/A
IEC Input Type	N/A	N/A
Isolation (field-to-logic)	300 V working, 1500 V transient (1 minute)	300 V working, 1500 V transient (1 minute)
Isolation (channel-to-channel)	None	None
Number of Channels	24	24
Chassis Power Consumption	1.0 W	1.0 W
Wire Size	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)
Torque, hold-down screw	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
Temperature (storage)	-40 °C to +85 °C	-40 °C to +85 °C
Relative Humidity (non-condensing)	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
^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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