The GE Fanuc IC693CMM311, also cataloged as the IC693CMM311 Communications Coprocessor Module, operates as a dedicated hardware component for serial data communication within Series 90-30 PLC platforms.
| Parameter | Specification |
|---|---|
| Model | IC693CMM311 |
| Brand | GE Fanuc Emerson |
| Origin | United States |
| Weight | 0.28 kg (0.63 lbs) |
| Dimensions | Single slot width |
| Operating Temp | Industry standard 0 to 60 deg C (ambient) |
| Power Consumption | 400 mA at 5 VDC |
| Communication Interfaces |
Port 1: RS-232 Port 2: RS-232 / RS-422 / RS-485 |
| Connector Type | Twin 25-pin D-shell female interfaces (via integrated connector block) |
| Supported Protocols | CCM, Modbus RTU Slave, SNP, SNP-X |
| Baud Rates | 300, 600, 1200, 2400, 4800, 9600, 19200 bps |
| Maximum Modules | Up to 4 modules per CPU baseplate (CPU 331 and later) |
| Compatibility | Modular Series 90-30 CPUs only (Not compatible with embedded CPUs 311, 313, 323) |
| Status Indicators | MODULE OK, PORT 1, PORT 2 LEDs |
| Companion Cable | IC693CBL305 Wye connection cable |
The module interfaces directly with the Series 90-30 backplane, utilizing high-speed backplane bus communication velocity to route serial data packages without increasing CPU processing latency. By handling data encapsulation for protocols such as Modbus RTU and SNP natively on the card, it optimizes deterministic networks performance across the PLC rack. It enables flexible I/O density scaling via remote links while ensuring firmware flash compatibility across connected modular processors remains uninhibited during data bursts.
Q: Can this module be used alongside embedded Series 90-30 CPU modules?
A: No. The IC693CMM311 requires a modular CPU architecture. It is incompatible with embedded CPU models 311, 313, and 323.
Q: What is the purpose of the front-panel pushbutton on the module?
A: The hardware includes a push-to-restart communication button. This allows field technicians to re-initiate serial communication routines and clear port lockups without cycling power to the entire PLC rack or module.
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