6.5.2 Example: Connecting a BERO inductive proximity switch
Supplementary conditions
The following rules must be observed when connecting a proximity switch:
● In principle, proximity switches can be connected to any input.
● Because both the DI input terminals and the parameterizable DI/DO terminals are isolated,
the ground of the supply must be connected to the associated M terminal.
● When a connection is made to one of the parameterizable terminals, the positive pole of
the power supply must also be connected to the associated P connection terminal.
● Each group can be supplied with its own supply that is independent of the device supply.
In the simplest case, everything can be fed from a single supply. Nevertheless, all M and
P terminals must be connected.
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BK (black) Signal
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Figure 6-4 Connection to X122
Interface description
6.5 Digital inputs/outputs
PPU and components
Manual, 05/2015, 6FC5397-2DP40-3BA4 81
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