OVERVIEW

Official designation: GE Fanuc (Emerson) IC697CPU780 (Series 90-70, CPU Module)

Role/Application: Central processor for Series 90-70 PLC systems, managing 512 KB RAM and logic execution via 16 MHz 80386EX architecture.

KEY SPECS SUMMARY

Power: 5 VDC, 1.2 Amps

Interfaces / Ports: Three serial ports

Indicators: Module OK, Run, Force

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: Series 90-70 Racks

Limit: 12K Discrete I/O

Lifecycle: Discontinued

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the specific memory capacity and processor speed of this CPU?

A: It features 512 KB of RAM with a 16 MHz 80386EX processor.

Wiring & Installation:

Q: Does this module require an external battery for memory retention?

A: Yes, it requires a backplane battery to maintain volatile memory data.

Troubleshooting & Compatibility:

Q: How can users determine the current operation state of the IC697CPU780?

A: Monitor the three front panel LEDs for OK, Run, and Force status.

Replacement & Upgrades:

Q: Can this 90-70 series CPU be directly replaced by PACSystems RX3i?

A: No, hardware differences require system conversion and new backplanes.