OVERVIEW

Official designation: GE Fanuc IC693CMM304 (Series 90-30, Alspa N80 Communication Module)

Role/Application: A single-slot communication module for the Series 90-30 PLC, supporting Alspa N80 protocol data exchange via isolated RS-232 and RS-485 serial ports.

KEY SPECS SUMMARY

Power: 1.3 A at 5 VDC

Interfaces / Ports: RS-232, RS-485

Indicators: Three LEDs for status and activity

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: GE Fanuc Series 90-30 PLC

Limit: Maximum speed 19.2 Kbaud

Lifecycle: Discontinued by manufacturer

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the three LED indicators used for status monitoring on the module?

A: The LEDs are used for RUN, I/O, and Fault status indications.

Wiring & Installation:

Q: What type of connector is used for the RS-232 and RS-485 serial ports on the CMM304 module?

A: The module uses a standard 9-pin D-shell connector for both the RS-232 and RS-485 ports.

Troubleshooting & Compatibility:

Q: What is the primary purpose of the optical isolation feature in the communication module?

A: Optical isolation prevents electrical noise and ground loops from affecting data integrity between devices.

Replacement & Upgrades:

Q: Does the IC693CMM304 module support faster baud rates than the listed 19.2 Kbaud maximum?

A: The maximum supported baud rate for this module is fixed at 19.2 Kbaud.