Device maintenance and repair
7.3 Removing and installing hardware
SIMATIC IPC647E
130
Operating Instructions, 11/2018, A5E45589180-AA
7.3.5
Replacing redundant power supply (AC) module
If a module of the redundant power supply is defective, you can continue to operate the
device until the device can be shut down in a controlled manner.
The replacement of one of the two modules of the redundant power supply can be performed
without shutting down the device. The redundancy does not exist during the change.
Requirement
●
An original spare part, i.e. a module of the redundant power supply of the same type
●
Cross-tip screwdriver P1
Procedure
1.
Using the status display
④
, determine which module is defective (status display lights on
the module up red or not at all).
2.
Turn off the defective module using the On/Off switch
③
.
3.
Disconnect the defective module from the line voltage, see "Switching off the device
(Page 58)".
Pull the mains plug from the socket
②
of the defective module.
4.
Loosen the marked screw
①
of the defective module.
5.
Pull out the defective module at the handle.
6.
Install the new module and fasten it with the previously loosened screw
①
.
7.
Re-insert the mains plug into the socket
②
of the newly inserted module.
8.
Check the safe state of the device.
9.
Switch on the new module again using the on-off switch
③
a (status indicator
④
of the
module lights up green).
See also
Hardware accessories (Page 29)
