(USA and Canada only)
G4 I/O family
The G4IDC5-SW module provides one isolated channel of contact status input, sensing switch closure. The module supplies 15 volts of power to an external dry contact switch.
Each user-supplied switch is connected with two wires. Because the module includes power for the switch, this module is particularly cost-effective when labor costs for wiring external power are high.
Typical applications for the G4IDC5-SW include sensing contact closure from sources such as proximity switches, limit switches, selector switches, push buttons, photoelectric switches, and TTL-compatible devices.
Opto 22’s G4 DC input modules provide up to 4000 volts (transient) of optical isolation between field inputs and the logic output of the circuit.
CAUTION: G4IDC5-SW and G4IDC5-SWNC inputs are not intended to be used with contacts that are connected to any external user-supplied voltage or current.
Field Side Ratings
Open Circuit Voltage (Switch Open)
11 VDC min., 13 VDC typical, 15 VDC max.
Short Circuit Current (Switch Closed)
6 milliamps nominal
Minimum Off Resistance
≥20 K ohms
Maximum Allowable On Resistance
(Wire + Contact Resistance)
Logic Side Ratings
Logic Output Voltage for G4IDC5-SW
<0.5 V max. (switch closed; LED on) @ 2 mA sinking
2.7 V min. (switch open; LED off) @ 0.4 mA sourcing
Logic Output Voltage for G4IDC5-SWNC
<0.5 V max. (switch open; LED on) @ 2 mA sinking
2.7 V min. (switch closed; LED off) @ 0.4 mA sourcing
Maximum Operating Common Mode
Voltage (Field Term to Logic Connector)
5 VDC (±0.25) @ 25 mA nom.
Number of Channels Per Module
8 msec typical
Input-to-output Isolation (transient)
4000 V AC/DC
0 °C to 70 °C, operating
-30 °C to 85 °C, storage
Opto 22’s G4 DC input modules are used to detect on/off DC voltage levels.
The G4 Digital I/O Data Book provides complete details on every G4 digital I/O product component, including adapter cards, I/O modules, and mounting racks.
This document is a statement of compliance with the EU Directive 2015/863/EU, Restriction of Hazardous Substances (RoHS 3). This document lists Opto 22 products that comply with the substance restrictions of the RoHS 3 directive.