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Servicing and maintenance
10.2 Removing and installing hardware components
SIMATIC Panel PC 577
10-30
Operating Instructions, Release 04/2006, A5E00798484-01
10.2.10 Separating the control unit from the computer unit
Introduction
The control unit is separated from the computer unit to carry out repairs or to replace the
control unit, for example.
Procedure
1.
Disconnect the device from mains.
2.
Open the control cabinet.
3.
Remove the device from the control cabinet. Secure the device against falling out and
unscrew it. Or remove the clamps which secure the control unit to the installation wall, as
shown in the mounting cut-out in the dimensions.
4.
Carefully set the unit down with the control unit at the bottom.
5.
Open the device.
6.
Make a note of the arrangement of the ribbon cable plugs in the sockets on the
motherboard.