Siemens SIMATIC IPC547E - Page 42

Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC547E
42 Operating Instructions, 02/2014, A5E32317120-AB
Procedure
Connecting a single power supply
1.
Make sure that the on-off switch
①
is in the
'0 '(off) position.
This prevents unintentional startup of the
device when you plug in the power cable.
2.
Connect the power cable to socket ②.
3.
Insert the power cable in the electrical
socket.
4.
Switch the on-off switch ① to on.
To prevent unintentional removal of the power cable, you can secure the plug as follows:
1.
Remove the retaining screw
①
.
2.
Screw on the latch for the power plug ②.
Connecting a redundant power supply
1.
Make sure that the on/off switch
①
is in the
'0' position.
2.
Connect a power cable to the two sockets
④.
3.
Switch on the two on/off switches ①.
The "Power" LEDs ② 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
③
button
on the working power supply module.