Smart Process Gating
Leuze electronic GmbH + Co. KG
MLC 530 SPG
36
4.5.4
Gating restart
A gating restart is necessary in the following cases:
• The protective field is interrupted, but at least one synchronization beam is not occupied.
and
• The CS switching signal is activated (operating mode 4 or 5).
• The CS switching signal and the TH timer hold signal are activated (operating mode 1 or 6).
WARNING
Unauthorized gating restart may result in serious injury!
Ä
An instructed person must watch the event carefully.
Ä
Make certain that the danger zone can be viewed from the reset button and that the entire
process can be observed by the instructed person.
Ä
Before and during the gating restart, ensure that there are no people in the danger zone.
Performing gating restart
Ä
Ä
Press and release the reset button within 0.15 s to 4 s.
The OSSDs of the safety sensor are switched on.
NOTICE
If, after the button is pressed for the second time, a valid gating state is present (CS switching
signal is applied, protective field interrupted), the initiated gating sequence is continued. The ML
signal output alternately delivers 0 V and 24 V until the OSSDs are switched on again.