User Documentation

92714570000/01/12-2020
Proof test
The purpose of the proof test is to detect any dan-
gerous faults that cannot be detected by means of
self-diagnostics. Therefore, the functionality of the
safety relay must be tested in appropriate intervals.
The selection of the type and intervals of the tests is
the responsibility of the operator. The test intervals
are, among other factors, determined by the calcu-
lation of each individual safety circuit in a system
(PFD values).
Testing must be carried out in such a way that prop-
er functionality of the safety function is proven dur-
ing interaction of all components.
5 Proof test