Removing Ac Power Supply; Removing The Redundant Power Supply - Siemens SIMATIC IPC847D Operating Instructions Manual

Device maintenance and repair
7.4 Installing and removing hardware
7.4.3

Removing AC power supply

Requirement
● The device is opened.
● Screwdriver T10
Procedure
1. Disconnect the cables of the drives and of the
2. Remove the cable ties securing the cables in the
3. Remove the retaining screws
4. Pull the power supply towards the rear out of the
5. Pull out the power supply cable of the bus PCB.
6. Loosen the retaining screws
7.4.4

Removing the redundant power supply

Procedure
If a module of the redundant power supply is defective, you can continue to operate the
system until it can be shut down in a controlled manner.
1. Use the LEDs
2. Shut down the device so that the power supply is
3. Remove the power cable of the defective module.
4. Loosen the cross-tip screw
5. Pull out the defective module at the handle.
6. Insert the new module and secure it with the
7. Reconnect the power cable and reboot the device.
100
motherboard.
housing.
enclosure until you can access the power cable of the
bus board.
on the mounting plate.
①
to determine which module is
defective (LED at the module is off).
switched off.
module.
screw.
①
of the mounting plate.
②
of the power supply unit
②
of the defective
Operating Instructions, 01/2014, A5E32997454-AA
SIMATIC IPC847D