Pilz PNOZ s10 C 24VDC 4 n/o 1 n/c User Manual download pdf (Page 7)

PNOZ s10

Operating Manual PNOZ s10

21402-EN-08

Faults - malfunctions

} Contact malfunctions: If the contacts have welded, reactivation will not be possible after

the input circuit has opened.

Service life graph

The service life graphs indicate the number of cycles from which failures due to wear must

be expected. The wear is mainly caused by the electrical load; the mechanical load is negli-

gible.

Example

} Inductive load: 2 A

} Utilisation category: AC15

} Contact service life: 300 000 cycles

Provided the application requires fewer than 300 000 cycles, the PFH value (see technical

details) can be used in the calculation.

To increase the service life, sufficient spark suppression must be provided on all output

contacts. With capacitive loads, any power surges that occur must be noted. With contac-

tors, use freewheel diodes for spark suppression.

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Pilz PNOZ s10 C 24VDC 4 n/o 1 n/c User Manual Page 7