OVERVIEW

Official designation: GE Fanuc IC694PWR321 (PACSystems RX3i, Serial Expansion Power Supply Module)

Role/Application: Provides power to the connected RX3i serial expansion backplane from a 24 VDC input source, supplying 5 VDC and 3.3 VDC to the modules in the expansion rack.

KEY SPECS SUMMARY

Power: 24 VDC input (19.2 to 30 VDC), 30 W output, 10 W consumed

Interfaces / Ports: 3-pin connector (power input), 9-pin D-shell (serial backplane link)

Indicators: Power OK (P OK) LED, Expansion OK (EXP OK) LED

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: PACSystems RX3i Serial Expansion Backplane, requires power cable

Limit: 6 Amps at 5 VDC, 3 Amps at 3.3 VDC

Lifecycle: Active or Discontinued, varies by model/revision

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the efficiency of the IC694PWR321 power supply when fully loaded?

A: The power supply module has an efficiency of approximately 75 percent.

Wiring & Installation:

Q: What GE Fanuc cable is required to connect the PWR321 to the expansion backplane?

A: It requires the IC695CBL001 expansion cable (0.5 meter) for connection.

Troubleshooting & Compatibility:

Q: What is indicated if the red EXP OK LED is illuminated on the front panel?

A: A red EXP OK LED indicates a fault condition in the serial expansion backplane.

Replacement & Upgrades:

Q: What is the recommended circuit protection for the 24 VDC input power source?

A: Refer to the latest manufacturer manual.