Monitoring mobile protective mechanisms and light
barriers
 The
monitoring of protective screens on machines and
processing centres is another important function of
the electronic safety relay ESR from Moeller.
Depending on the safety level, one or two
position switches signal that the protective door is
in the closed position. Instead of restartmonitoring,
you can also implement an automatic start with the
safety relays. Thus, you reduce the cycle times in
production without dispensing with safety.
Safety relays of the series ESR4-NO-30 and
ESR4-NO-21 can be used for processing signals from
the output switch elements of a light barrier
conform to EN 61496-1.
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