Maintenance/Upkeep; Cleaning The Screen And Keyboard Overlay - Siemens simatic hmi op27 Equipment Manual

Maintenance/Upkeep

Scope
Operator Panels OP27 ad OP37 are designed for low-maintenance operation.
Maintenance of the OP is limited to
S
S
S
Thetable below lists units whichusers can install or replace themselves.
A description of fitting the direct key module, the control panel interface, the
AT expansion slot and the AT cards is provided in Chapter 18.
19.1

Cleaning the Screen and Keyboard Overlay

Preparation
Clean the OP screen and keyboard foil overlay at regular intervals with a damp
cloth. Do not clean the device while it is turned on. IThis ensures that functions
are not triggered inadvertently by coming into contact with the keyboard over-
lay.
Cleaning agents Use only water and washing–up liquid to dampen the cloth. Never use aggres-
sive solvents or abrasive cleaning agents.
OP27, OP37 Equipment Manual
Release 05/99
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regular cleaning of the keyboard overlay and screen
changing the backup battery and
replacing the display back-lighting.
Parts
Direct key module (DKM)
Control Panel Interface
AT expansion slot and AT cards
Hard disk
Floppy disk drive
19
OP27 OP37
4 4
4 4
4
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4
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4
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19-1