GE Fanuc IC693CMM311 Communication Coprocessor Module for Series 90-30 PLCs
Product Overview
The GE Fanuc IC693CMM311 is a communication coprocessor for Series 90-30 PLCs.
It has two ports: Port 1 supports RS232, Port 2 supports RS232, RS422, and RS485.
The module supports CCM, RTU, and SNP protocols.
Each port uses a 25-pin D-shell connector.
It features a push-to-restart button for quick communication reset.
Compatible with modular Series 90-30 CPUs, but not embedded CPUs.
Supports up to 4 modules per CPU and 300–19200 Baud transmission speed.
Includes IC693CBL305 Wye cable for easier wiring.
Status LEDs show MODULE OK, PORT 1, PORT 2.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | GE Fanuc / Emerson Automation |
| Series | Series 90-30 |
| Part Number | IC693CMM311 |
| Module Type | Communication Coprocessor (CCM) |
| Communication Interfaces | Port 1: RS232 Port 2: RS232 / RS422 / RS485 |
| Compatible Devices | Modular Series 90-30 CPUs |
| Supported Protocols | CCM, RTU, SNP |
| Slot Width | Single slot |
| Mounting Location | CPU baseplate |
| Backplane Current | 400 mA at 5VDC |
| Cable | IC693CBL305 Wye cable |
| Status LEDs | MODULE OK, PORT 1, PORT 2 |
| Communication Speed | 300–19200 Baud |










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