Installing The Control Panel Interface - Siemens simatic hmi op27 Equipment Manual

18.3.1

Installing the Control Panel Interface

An OP27 or an OP37 can accommodate either a control panel interface or a
direct key module (Section 18.2). The procedure for installing a control panel
interface is as follows:
1. Set the OP down with its front plate facing downwards.
!
2. Release the two pop rivets ¶ and then remove the cover · indicated in
Figure 18-8 Removing the cover (example OP37)
OP27, OP37 Equipment Manual
Release 05/99
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Caution
S
Make sure that the OP is disconnected from the power supply.
S
Always follow the ESD guidelines in the Appendix when working on open
devices.
Figure 18-8 from the rear panel of the OP.
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Options
18-11