Parallel Cabinet Controller PWA
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| Illustration 1 | g01272465 |
| (1) Parallel cabinet controller board | |
The parallel cabinet controller board (1) is the controller for the multi module system. The board (1) performs the following actions:
- Monitoring of voltage in the system
- Monitoring of current in the system
- Controlling the bypass hardware
- Communicating with all of the MMU cabinets
- Processing of user input signals
- Processing of user output signals
Refer to Systems Operation, Testing and Adjusting, RENR9988, "Internal Component Pre-removal Steps (MMS System Cabinet)" in order to shut down the system and gain access to internal components.
- Disconnect all connectors. Refer to Illustration 2. Verify each labeling on the connector with the location of the wire. Verify each label on each connector.
- Disconnect the four white plastic standoffs that connect the board (1) to the left panel.
Note: The board (1) must be removed from the standoffs without bending the board (1).
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| Illustration 2 | g01272452 |
- Position the board (1) in the cabinet over the four white standoffs that are connected to the left panel.
- Push the board (1) onto all the standoffs simultaneously. Verify that all standoffs are locked in place.
- Connect the wire connectors into the correct connectors on the board (1). Check the labels on each connector for proper placement. Refer to Illustration 2.
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