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Engineering
The following figure illustrates a condition with signal interlock:
Safety-relaed input S##
Safety-relaed input S##
The first safety-related input is deactivated which starts the signal interlock monitoring time of
200 ms. It is then activated again before the second safety-related input is deactivated. This
immediately triggers a signal interlock alert even though the 200 ms have not yet elapsed.
The following figure illustrates a condition with signal interlock:
Safety-relaed input S##
Safety-relaed input S##
The first safety-related input is deactivated which starts the signal interlock monitoring time of
200 ms. The second safety-related remains activated longer than 200 ms. This triggers a signal
interlock alert 200 ms after interlock monitoring has started.
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HR9Z-B2200 8/2020
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