The GE Fanuc IC693PWR322, also cataloged as the IC693PWR322 Standard Power Supply, operates as a dedicated hardware component for internal backplane power distribution and DC/DC conversion within Series 90-30 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC693PWR322 |
| Brand | GE Fanuc Emerson |
| Origin | USA |
| Weight | 1.25 lbs (0.57 kg) |
| Dimensions | Standard Series 90-30 power supply slot width |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 50 W with VDC input |
| Total Output Power | 30 Watts total capacity |
| Nominal Input Voltage | 24 VDC / 48 VDC |
| Input Voltage Range | Start: 21 to 56 VDC; Run: 18 to 56 VDC |
| 5 VDC Output Power | 15 Watts maximum |
| Isolated +24 VDC Output | 20 Watts maximum |
| Relay +24 VDC Output | 15 Watts maximum |
| Inrush Current | 4 A peak, 100 ms maximum |
| Holdup / Ride-Through Time | 14 ms minimum holdup time; 10 ms minimum ride-through time |
| Onboard Diagnostic LEDs | PWR, OK, RUN, BATT |
| Serial Interface | RS-485 serial port |
Backplane Bus Communication Velocity & Power Distribution
The IC693PWR322 power module delivers stable DC operating voltages across the Series 90-30 backplane, maintaining system backplane bus communication velocity and processing continuity during DC supply line fluctuations. It converts a nominal 24/48 VDC input into three regulated outputs: +5 VDC logic power, +24 VDC isolated power, and +24 VDC relay power up to a total load of 30 Watts. Firmware flash compatibility and internal diagnostic monitoring are supported through front-panel LEDs (PWR, OK, RUN, BATT) and an integrated RS-485 serial interface. An internal energy storage stage provides a 14 ms minimum holdup time to prevent CPU logic resets under transient power dropouts.
Frequently Asked Questions
Q: What are the input DC voltage operating boundaries for the IC693PWR322?
A: The module requires 21 to 56 VDC to initiate system start-up and continues operation across a running input voltage range of 18 to 56 VDC.
Q: How is the maximum output power distributed across the internal supply rails?
A: The module provides up to 30 Watts total output power, divided into +5 VDC logic power (15 W max), isolated +24 VDC power (20 W max), and relay +24 VDC power (15 W max).
Q: What peak inrush current must be accounted for during system power-up?
A: The power supply generates a peak inrush current of 4 A with a maximum duration of 100 ms at initial energization.
Field Installation Guidelines
- Isolate primary field DC power sources before mounting or removing the power supply from the baseplate rack.
- Insert the IC693PWR322 into the left-most slot of the Series 90-30 baseplate rack, ensuring complete engagement with the backplane connector.
- Secure the top and bottom mounting screws to ground the module housing against the baseplate chassis ground.
- Wire input power leads (24/48 VDC nominal) to the designated screw terminals using appropriate copper conductor gauges.
- Route primary DC input power cables away from low-voltage communication and analog input wiring to prevent noise coupling.
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