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GE Fanuc IC694PWR321 PACSystems RX3i Power Supply Module
Description
The GE Fanuc IC694PWR321, also cataloged as the IC694PWR321 Power Supply Module, operates as a dedicated hardware component for direct internal backplane DC voltage regulation within PACSystems RX3i control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC694PWR321 |
| Brand | GE Fanuc |
| Product Series | PACSystems RX3i |
| Module Type | Power Supply Module |
| Origin | USA |
| Weight | 0.52 kg |
| Dimensions | 13 x 6.8 x 13.1 cm |
| Nominal Voltage | 120/240 VAC, 125 VDC |
| Input Range | 85 to 264 VAC, 100 to 300 VDC |
| Total Output Power | 30 W (15 W maximum on 5 VDC bus) |
| Output DC Voltages | 5 VDC backplane, 24 VDC relay, 24 VDC isolated field |
| Operating Temp | 0 to 60 deg C |
| HS Code | 8537101190 |
Deterministic Power Distribution and Backplane Compatibility
The IC694PWR321 provides regulated internal DC buses across the RX3i expansion backplane to drive CPU logic, I/O module processing, and field contact execution. It features a deterministic power execution circuit that feeds 5 VDC to logic components alongside dedicated 24 VDC output lines without supporting parallel load-sharing redundancy.
Internal backplane bus communication velocity remains stable under input line transients due to built-in overvoltage and current-limiting circuitry. Diagnostic status indicators (PWR, OK, RUN LEDs) provide immediate visual verification of internal switching operations and system controller readiness across the RX3i rack.
Frequently Asked Questions
Q: Can multiple IC694PWR321 modules be configured for load-sharing redundancy?
A: No. The IC694PWR321 does not support load-sharing redundancy and must operate as an independent power supply module in its designated rack slot.
Q: What are the maximum power distribution limits for the 5 VDC output rail?
A: The total capacity of the module is 30 W, but the 5 VDC logic supply rail is limited to a maximum output power consumption of 15 W.
Field Installation Guidelines
- Disconnect main AC/DC power sources to the cabinet prior to mounting or servicing the module.
- Insert the IC694PWR321 into the leftmost slot of the RX3i backplane until the rear connectors fully engage the rack bus.
- Secure the module mechanically using the top and bottom retaining screws to ensure solid chassis grounding.
- Wire the input supply lines to the front terminal block using recommended wire gauges, ensuring strict line-to-neutral and earth ground polarity.
- Apply power and confirm that the PWR LED illuminates solid green before putting the PLC into RUN mode.
Additional information
| Weight | 0.52 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 13 x 6.8 x 13.1 cm |
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