GE Fanuc IC693PCM311 Programmable Coprocessor Module
Model: IC693PCM311
Overview
This coprocessor adds two serial ports and 640 K memory to a Series 90‑30 PLC. Install in any slot except the first one.
Key Specs
- Memory: 640 K RAM, 190 K MegaBasic
- Ports: 2 serial (Modbus RTU, CCM)
- LEDs: 3 status indicators
- Backplane Draw: 200 mA @ 5 VDC
- Battery: Lithium (replace with IC693ACC301)
- Temp Range: 0 °C–60 °C
Installation
- Power off PLC chassis.
- Insert module in any slot except slot 1.
- Secure with mounting screw.
- Power on and verify LEDs.
Compatibility
Fits GE Fanuc Series 90‑30 CPU, remote, and expansion baseplates.


















