Operator panel front
When replacing the operator panel front, the previous USB interface, display and keyboard
controller can continue to be used. They are therefore disassembled and reassembled after
the appropriate component has been replaced.
Note
We recommend reusing the keypad controller to prevent any loss of the control parameters
that have been programmed in.
Procedure
1. Put the OP 012 face down on a flat, soft surface and loosen the 12 housing screws (see
figure: "Rear of the OP 012 (Page 99)").
2. Remove the softkey labeling strips and the cover plate.
3. Remove connector X14 for the backlight ⑧ and the IO-USB cable K1 ④ from the keyboard
controller ③.
4. Remove connector X4 for the touchpad mouse ⑨.
5. Lift off the display support with the display.
The rear of the front USB interface ② becomes visible near the keyboard controller ③.
6. After bending back the two lugs, withdraw the front USB interface ②.
7. Disconnect the two membrane connectors ⑥ of the operator panel front keyboard from
sockets X7 and X8 (procedure: see note).
8. Remove the fixing screws from the keyboard controller ③.
9. Lift the front USB interface ② and keyboard controller ③ off the front plate. The
interconnections may remain plugged.
10.Install the components into the new operator front panel in reverse order (procedure: see
note).
Note
Descriptions of how to disconnect and connect the membrane connector can be found in
"General information and networking", Chapter: "Connecting", Section: "Handling
membrane connectors".
When tightening the screws, observe the torques (refer to Section: "Technical data").
Spare parts
7.2 Replacement
Operator panel front: OP 012
Manual, 09/2016, A5E36371591B 107
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