Operating Instructions Chapter 6
M4000 Adv., Adv. A/P, Area
8010797/YT72/2016-02-19 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 51
Subject to change without notice
Configurable muting functions
6.3 Time monitoring
6.3.1 Concurrence monitoring
For protection against manipulation (e.g. covering an optical sensor) of the safety appli-
cation, you can configure what is known as Concurrence monitoring.
The concurrence monitoring monitors whether both muting sensors in a sensor pair are
actuated within a configurable time (100 ms to 3000 ms).
The configurable time for the concurrence monitoring applies to both sensor pairs.
Device symbol M4000 Advanced (receiver) or M4000 Advanced (A/P), context menu
Open device window, parameter node Sensor configuration.
6.3.2 Monitoring of the total muting time
With active Monitoring of the total muting time, the maximum duration of the muting is
limited:
Exit monitoring function deactivated: Total muting time 10 to 300 seconds
Exit monitoring function activated: Total muting time 10 seconds to 8 hours
The muting is brought to an end at the latest at the end of the total muting time.
Monitoring of the total muting time is also active during partial blanking (see section 6.6
on page 56).
WARNING
Configure the shortest possible muting hold time!
In combination with the Exit monitoring function the muting hold time remaining after
leaving the monitored area must be Y 1 second. Otherwise people could enter undetected
the hazardous area which has become clear.
Configure the shortest possible muting hold time or adjust the transport velocity to the
requirements.
In combination with the Exit monitoring function use the End of muting by ESPE
function.
Device symbol M4000 Advanced (receiver) or M4000 Advanced (A/P), context menu
Open device window, parameter node Muting configuration.
Note
monitoring
Note
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