Setting the device into service
Leuze electronic
MLD 300, MLD 500
71
Make certain that there are no people in the danger zone.
Operate the start/restart button within the specified time as follows:
press, release, press again.
The muting function remains active after the button is pressed for the second time as long as the start/
restart button is held down. This means that the OSSDs are enabled for a maximum of 2 minutes (for
sequence controlled 2-sensor muting for up to 5 s), even if no valid muting condition exists.
Repeat the operation if necessary.
Again release the start/restart button.
The muting indicator illuminates continuously and the system returns to normal operation. Otherwise, the
OSSDs are switched off again.
WARNING
Premature muting restart may result in serious injury!
Make certain that the danger zone can be viewed from the start/restart button and that the entire pro
-
cess can be observed by the responsible person.
Before and during the muting restart, ensure that there are no people in the danger zone.
If a valid muting condition is detected after the button is pressed for the second time, the start/
restart button can be released immediately, e.g., after a conveying belt standstill due to a tem
-
porary voltage interruption, muting timeout or similar.
A start/restart can also occur via the PLC signal (output impedance < 1.6 k
Ω
).
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