GE IC693MDL654F Input Module | 32-Point 24V DC 0.36kg

Technical Specifications and Input Architecture

This input module interfaces with 24V DC field devices for Series 90-30 PLC systems. The GE IC693MDL654F reads signals from pushbuttons, limit switches, and proximity sensors. You can install this high-density unit in any standard I/O slot. Its compact design saves valuable rack space for other modules. The module weighs approximately 0.36 kilograms. Its dimensions measure 12.5 cm in height, 5.5 cm in width, and 11 cm in depth.

Parameter	Specification
Brand	GE Fanuc Automation
Model	IC693MDL654F
Category	32-Point Input Module / Discrete Input Unit
Weight	0.36 kg
Height	12.5 cm
Width	5.5 cm (single slot)
Depth	11 cm
Number of Inputs	32 points
Input Voltage Range	12-24V DC (10-30V DC absolute)
Input Type	Sink (negative common)
Input Current per Point	7 mA typical at 24V DC
Response Time (ON to OFF)	1 millisecond typical
Response Time (OFF to ON)	1 millisecond typical
Isolation Voltage	1500V AC between field and logic
Energy Storage	None (no battery or capacitor bank)
Component Count	Single PCB with 32 optocoupler circuits

Wiring and Group Configuration

The module divides its 32 inputs into four isolated groups of eight. Each group shares a single common return terminal. You can connect different voltage sources to each group freely. The GE IC693MDL654F uses a front-panel 50-pin female connector. This connector accepts a ribbon cable or pre-wired terminal block. A matching 50-pin male connector plugs directly into the module face. Each input point includes an individual green LED indicator. This LED lights brightly when the input receives a valid signal level.

Signal Processing and Noise Immunity

The input circuits filter electrical noise effectively for reliable operation. Each channel requires only 3.5 mA minimum to detect an ON condition. The module uses optocoupler technology for complete electrical isolation. Consequently, the backplane logic remains safe from field wiring faults. The inputs respond within 1 millisecond to any voltage change. This rapid response captures short-duration events from high-speed sensors. The module operates perfectly with two-wire or three-wire DC sensors.

Installation and Operational Guidelines

You must insert this module into any standard 90-30 I/O slot position. The backplane supplies 5V DC power to the optocoupler circuits. The module draws approximately 150 mA from this backplane supply. It stores no input states when you remove system power. Therefore, the CPU receives all new data after each power-up cycle. You should verify the applied voltage stays below 30V DC. Exceeding this limit will permanently damage the input circuits