Siemens simatic hmi op27 Equipment Manual page 184

Opening the OP37 Carry out the following steps to open the housing of the OP37:
housing
OP27, OP37 Equipment Manual
Release 05/99
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Step
1 Lay down the device with its front plate facing downwards.
2 Remove the eight housing screws
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3 Remove the rear panel.
–> Refer to Section 19.4.3, Page 19-14 to replace the floppy disk drive.
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4 Remove two screws
5 Gently lift the hinged plate and remove the ribbon cable from the connec-
tor secured beneath the plate cutout
6 Turn the plate to its final position (90 degrees).
–> To remove the back-lighting
– Refer to Chapter 19.4.2, Page 19-12.
Maintenance/Upkeep
Action
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which hold a hinged plate.
90 o
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(see figure in Step 4).
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19-11