Operation and diagnostics
Operating Manual PNOZ s30
1001715-EN-19
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Warning message Description Remedy
AB frequency
deviation
Frequency of the prox-
imity switch at track A
differs from the fre-
quency of the proximity
switch at track B for too
long and by too much.
- Ensure that the proximity switches
operate correctly
- Check whether a proximity switch
constantly switches due to the
drive's edge jitter.
11.3 Function test of the relay outputs
When the relay outputs are switched on, the mechanical contact on the relay cannot be
tested automatically. Depending on the operational environment, measures to detect the
non-opening of switching elements may be required under some circumstances.
When the product is used in accordance with the European Machinery Directive, a check
must be carried out to ensure that the safety contacts on the relay outputs open correctly.
Open the safety contacts (switch off output) and start the device again, so that the internal
diagnostics can check that the safety contacts open correctly
} for SIL CL 3/PL e at least 1x per month
} for SIL CL 2/PL d at least 1x per year
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