OVERVIEW

Official designation: GE Fanuc IC693CPU340 (Series 90-30, CPU Module)

Role/Application: A processor module for the Series 90-30 PLC, featuring a 20 MHz 80C188XL microprocessor and 10 Kbytes of user logic memory.

KEY SPECS SUMMARY

Power: 450 mA at 5 VDC

Interfaces / Ports: RS-485 port

Indicators: RUN, CPU OK, I/O OK, FAULT

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: Series 90-30 baseplates

Limit: Supports 1024 I/O points

Lifecycle: Discontinued, replaced by newer CPUs

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum size of user memory available for programming in the IC693CPU340 module?

A: The module provides 10 Kbytes of user memory for logic and configuration storage.

Wiring & Installation:

Q: Which communication protocol is primarily used by the built-in RS-485 port on the CPU340?

A: The port supports SNP/SNP-X communication protocols for interface purposes.

Troubleshooting & Compatibility:

Q: What does a constantly lit FAULT LED on the IC693CPU340 module generally indicate?

A: A lit FAULT LED suggests a system error or an internal module problem requiring inspection.

Replacement & Upgrades:

Q: What is the recommended upgrade path for systems currently utilizing the discontinued IC693CPU340 module?

A: Newer generation CPU modules within the PACSystems RX3i or other compatible platforms are generally suggested.