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Maintenance and service
8.2 Maintenance and replacement parts
SIMATIC PC Panel PC 677/877, Control Unit
8-2
Operating Instructions, Edition 04/2005, A5E00407724-01
8.2
8.2
Maintenance and replacement parts
The device has the following replacement parts:
Replacement part
Order No.
Key panel
12''-TFT
15''-TFT
Touch panel
12''-TFT
15''-TFT
19''-TFT
6AV7672-1AB00-0AA0
6AV7672-1AD00-0AA0
6AV7672-1AA00-0AA0
6AV7672-1AC00-0AA0
6AV7672-1AE00-0AA0
Key panel, front-mounted USB port is sealed
*)
12''-TFT
15''-TFT
Touch panel, front-mounted USB port is sealed
*)
12''-TFT
15''-TFT
19''-TFT
6AV7672-1AB10-0AA0
6AV7672-1AD10-0AA0
6AV7672-1AA10-0AA0
6AV7672-1AC10-0AA0
6AV7672-1AE10-0AA0
Set of clamps
6FC5248-0AF06-0AA0
Plastic cap USB interface
A5E0037892
Lithium battery
W79084-E1003-B1
*) For more information, please refer to the chapter "Description."
8.3
8.3
Separating the control unit from the computer unit
8.3.1
Separating Panel PC 677
Introduction
The control unit is separated from the computer unit to carry out repairs or to replace the
control unit, for example.
Procedure
1. Isolate the device from mains.
2. Open the switchgear cabinet. The device is now accessible from the back.
3. To swing away the computer unit (1): Loosen the four knurled screws (2) which attach the
computer unit to the rear of the control unit (3).