Chapter 6 Operating Instructions
M4000 Adv., Adv. A/P, Area
52 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8010797/YT72/2016-02-19
Subject to change without notice
Configurable muting functions
6.3.3 Sensor gap monitoring
If a valid muting condition is present for a sensor pair, then a sensor can become clear
(inactive) again for a defined time without lifting the valid muting condition. The defined
t
ime (10 ms to 1000 ms) can be adjusted by CDS.
Only one sensor pair is allowed to be clear (inactive) for a short time.
A valid muting condition must be met at the sensor pair affected.
Device symbol M4000 Advanced (receiver) or M4000 Advanced (A/P), context menu
O
pen device window, parameter node Sensor configuration.
6.3.4 Belt stop
To ensure a valid muting condition is not reset by time monitoring elapsing during a belt
stop, the following time monitoring functions can be stopped using the Belt stop function
and a belt stop signal:
Monitoring of the total muting time
Concurrence monitoring
Muting hold time
3 seconds after the belt stop the system starts to monitor the active muting sensors.
When the conveyor belt is restarted, muting …
is continued if the muting condition is still valid.
stopped if the muting condition was invalid.
If the belt stop function is configured in the CDS, the conveyor belt signal must be applied
to the belt stop input (see section 6.10 “Combinable muting functions and facilities for
connecting” on page 63).
Belt stop input Status
HIGH Conveyor belt is running, muting time
monitoring active
LOW Conveyor belt is stationary:
The muting time monitoring is stopped.
and
The last state of the active muting
sensors and the ESPE is monitored.
Configure belt stop by allocating the signal for belt stop to the related connection using
drag and drop. Device symbol M4000 Advanced (receiver) or M4000 Advanced (A/P),
context menu Open device window, parameter node I/O configuration.
Notes
Note
belt stop
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