Connection And Adjusting Elements - Siemens simatic hmi op27 Equipment Manual

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18.3.2

Connection and Adjusting Elements

Each of the two module boards has a 36-pin adapter for connecting the inputs/
outputs and the external voltage supply.
When installed, the connectors are at the rear of the OP.
Figure 18-11 Location of connection elements on large module housing
18-14
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0V +24V
DO
DI
Adapter
CPI 1
(example: OP37)
CPI 2
OP27, OP37 Equipment Manual
Release 05/99