GE IC693MDL655G | Series 90-30 Input Module 24V DC

The IC693MDL655G reads digital signals from sensors and pushbuttons. This input module serves the Series 90-30 PLC platform reliably. It provides thirty-two discrete channels for monitoring field devices. Consequently, you can track limit switches, proximity sensors, and operator controls.

You can configure each group for positive or negative logic. The IC693MDL655G accepts both sinking and sourcing field device connections. Each channel includes optical isolation for excellent electrical noise rejection. Therefore, this module delivers clean input data to your control logic.

Input Specifications and Channel Details

The module features thirty-two input channels arranged in two groups. Each group on the IC693MDL655G can use a different configuration. The module detects logic high above 15V DC at 24V nominal. It recognizes logic low when the voltage falls below 5V DC.

Inputs respond to state changes within 1 millisecond typically. The IC693MDL655G draws approximately 7 mA per active input channel. An LED on the front panel illuminates when the corresponding input activates. Below is a complete breakdown of its technical characteristics.

Specification	Detail
Number of Inputs	32 (Two isolated groups of 16)
Logic Configuration	Positive or negative (Selectable per group)
Input Voltage Range	0 to 30V DC (24V DC nominal)
Logic High Threshold	> 15V DC (Minimum)
Logic Low Threshold	< 5V DC (Maximum)
Input Current per Channel	7 mA at 24V DC (Typical)
Input Response Time	1 ms (Off to On or On to Off)
Isolation Voltage	1500V AC (Input to backplane)
Power Draw (5V)	100 mA
Power Draw (24V field)	224 mA (All inputs active)
Dimensions (W x H x D)	58 mm x 115 mm x 140 mm
Weight	0.34 kg (340 grams)
Energy Storage	None (No battery or capacitor)

Interface and Field Wiring Connections

Two removable terminal blocks accept all field input wiring. The IC693MDL655G uses screw-clamp terminals for secure wire retention. Each terminal accepts wire sizes from 0.2 to 2.5 mm². The module connects to the Series 90-30 backplane via a standard bus connector.

You can mix positive and negative logic devices on the same module. The IC693MDL655G automatically senses the configuration settings. Green LEDs provide visual confirmation of each active channel. Therefore, troubleshooting field wiring becomes a fast visual task.

Operational Benefits for Control Applications

This input module offers great flexibility for mixed-logic field devices. The IC693MDL655G works with both NPN and PNP type sensors. Its high channel density saves valuable rack space in control panels. Engineers trust this module for reliable machine monitoring in factory automation.