Maintenance
Replacement Procedures
76 UMC800 Controller Installation and User Guide Release F
4/01
Replacing the power supply module
Step Action
1Remove power from controller.
2Disconnect power wiring from power supply terminals.
3Remove front cover by loosening the two screws at the top of the enclosure.
4Remove five screws on the front of power supply securing the CPU module and power supply.
5Unplug CPU module from controller slot by pulling it straight out from its slot.
6Unplug power supply module from controller by pulling it straight out from its slot.
7Plug in the replacement power supply into the enclosure slot and carefully insert CPU module
into its slot.
8Secure power supply and CPU with five screws.
9Reconnect power wiring to proper terminals on power supply as shown.
Hot
Neutral
Ground
F 3,15 AT
250V
L1
L2 / N
10 Replace front cover and secure with two screws.
11 Restore power to controller.
12 Verify configuration.