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Functions
You can implement the contactor monitoring function,
➢ with the corresponding wiring and parametering of the COMPACT receiver (see,
Chapter 8.3.4)
➢ or the external contactor monitoring of the downstream safety interface, (e.g. Leuze
electronic MSI series)
➢ or the contactor monitoring of the downstream safety PLC (optionally connected via a
safety bus).
If the internal contactor monitoring is activated (see Chapter 8.3.4), it works dynamically,
i.e. the system also checks whether the feedback circuit has opened within 500 ms of being
enabled and whether it has closed again within 500 ms after turning off the OSSDs. If this is
not the case, the OSSDs return to the OFF state again after being briefly switched on. An
error code appears on the 7-segment display (F34) and the receiver goes to the error
locking status, from which it can only be returned to normal operation by switching the
supply voltage off and back on again.
4.2.4
Extended restart delay time
NEDERLANDS
The restart delay time is the minimum period between switching off the OSSDs and their
restarting. The default time for restarting with COMPACT safety light curtains and
COMPACT multiple light beam safety devices is 100ms. The restart delay time can be
extended by parametering to 500 ms (see, Chapter 8.3.1).
FRANÇAIS
Contact monitoring function, combined in this example with a start/restart
interlock
ITALIANO
TNT 35/7-24V
Fig. 4.2-3:
ENGLISH
The COMPACT contactor monitoring can be activated with the corresponding wiring and
parametering (see, Chapter 8.3.4)!
The "Contactor monitoring" function dynamically monitors contactors, relays or valves
downstream from the COMPACT. Precondition here are switching elements with positiveguided feedback contacts (normally closed).
DEUTSCH
Contactor monitoring (EDM)
ESPAÑOL
4.2.3
Leuze electronic
COMPACT
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