Operating Instructions Chapter 6
M4000 Adv., Adv. A/P, Area
8010797/YT72/2016-02-19 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 53
Subject to change without notice
Configurable muting functions
6.3.5 End of muting by ESPE
Muting ends if a sensor in the last sensor pair becomes inactive and as a result a valid
muting condition is not met. The End of muting by ESPE function shortens the duration of
m
uting to the time at which the ESPE light path becomes clear again. In this way you will
achieve a shorter muting time and at the same time, a high level of safety.
Without the End of muting by ESPE function, muting is only brought to an end when a
sensor in the last sensor pair becomes clear again (see in Fig. 28).
With the End of muting by ESPE function, muting is brought to an end when the ESPE
becomes clear again (see in Fig. 28).
Material and means of transport must be detected by the muting sensors or the ESPE
over their entire length. There must not be any detectable gaps as otherwise muting will
be brought to an end prematurely.
If the ESPE does not always accurately detect the end of muting due to irregularities of
the material or means of transport, plant availability can be increased by configuring a
muting end delay of up to 1000 ms in the EDS.
If the ESPE’s light path does not become clear again, muting will be brought to an end
at the latest when the muting condition is no longer met.
Device symbol M4000 Advanced (receiver) or M4000 Advanced (A/P), context menu
Open device window, parameter node Muting configuration.
6.3.6 Exit monitoring
The Exit monitoring function is supported by M4000 systems with firmware V1.50.
You can use the Exit monitoring function if material is allowed to move out of the hazard-
ous area while a person is however not allowed enter.
Fig. 28: End of muting by
ESPE
Notes
Note
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