Proximity Switches - Pilz PSSu K F EI CV Operating Manual

Function description
4.10

Proximity switches

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The following proximity switches can be used with a pnp or npn output:
–
–
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The proximity switches must be fitted so that at least one is always activated. In other
words, the proximity switches must be fitted so that the recorded signals always over-
lap.
}
The cable used to connect the proximity switches must be shielded (see connection
diagrams in the chapter entitled "EMC-compliant wiring").
}
A DC voltage in the range of 0 - 30 V can be monitored via track S. It should be used to
monitor the supply voltage of the proximity switches.
Proximity switch assembly:
Signal characteristics:
Proximity switch
combinations
PNP / PNP
NPN / NPN
Operating Manual PSSu K F EI CV(-T)
1004290-EN-04
Inductive
Capacitive
CAUTION!
Please note: Connection of the proximity switches may only be performed in
three-wire technology and not in two-wire technology.
Signal image during movement
Ini 1 Ini 2
Ini 1
Ini 2
> 1% of period length
Ini 1
Ini 2
> 1% of period length
energised
De-energised
energised
De-energised
De-energised
energised
De-energised
energised
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