Siemens SIMATIC IPC547D Operating Instructions Manual page 35

Procedure - connecting redundant power supply
Securing the power plug of the redundant power supply
To prevent unintentional removal of the power cable, you can secure the power plug as
follows:
SIMATIC IPC547D
Operating Instructions, 06/2011, A5E03473780-01
Installing and connecting the device
3.3 Connecting the device
1. Turn off both on/off switches
2. Connect a power cable to the two sockets
④
.
3. Turn on the two on/off switches
The LEDs on the power supply modules
light up green.
Note:
If only one of the power supply modules
works, a warning signal sounds. You turn off
the warning signal by pressing the
on the working power supply module.
1. Remove the retaining screws
2. Screw on the latch for the power plug
①
.
①
.
②
③
button
①
.
②
.
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