Siemens simatic hmi op27 User Manual

18-5
OP27, OP37 Equipment Manual
Release 05/99
18.2.1 Installing the Direct Key Module
An OP27 or an OP37 can accommodate either a direct key module or a control
panel interface (Section 18.3). The procedure for installing a direct key module
is as follows:
!
Caution
 Make sure that the OP is disconnected from the power supply .
 Always follow the ESD guidelines in the Appendix when working on open
devices.
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 18-4 from the rear panel of the OP .
¶
¶
·
Figure 18-4 Removing the cover (example OP37)
Options
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Siemens simatic hmi op27 Specifications

General

Brand	Siemens
Model	simatic hmi op27
Category	Control Panel
Language	English