Siemens SIMATIC IPC847D Operating Instructions Manual page 43

Procedure
1. Make sure that the on/off switch
2. Connect the power cable to the socket
3. Plug the power cable plug into the
4. Switch on the on/off switch
Connecting a redundant power supply
1. Switch off both on/off switches
2. Connect the two IEC plugs
3. Switch on both on/off switches
SIMATIC IPC847D
Operating Instructions, 01/2014, A5E32997454-AA
the '0' (off) position.
This prevents an unintentional starting of
the device when plugging in the power
cable.
①
.
shockproof power outlet.
The yellow power LED (standby) on the
front panel of the PC lights up.
③
power supply LED light is green.
Note:
If only one control supply module is
switched on or connected, or a module is
defective, a warning signal is emitted.
You cancel the warning signal by
④
pressing button .
The status is also displayed and signaled
by the SIMATIC monitoring software, if
active. You can mute the acoustic alarm
in the SIMATIC monitoring software.
②
is in
②
.
②
.
①
.
②
. The
Installing and connecting the device
3.3 Connecting the device
43