Leuze electronic MLC 520 - Page 44

Testing
Leuze electronic MLC 520 44
Test at least: Yes No
Test the effectiveness of the safety sensor:
• The LED1 on the safety sensor must illuminate green (see chapter 3.3.2 "Operating
indicators on the MLC520 receiver").
• Interrupt an active beam or the protective field (see figure) with a suitable, opaque test
object:
Checking the protective field function with test rod (only for safety light curtains with a res-
olution of 14…40mm)
• Does the OSSD LED on the receiver illuminate constantly red while the protective field
is interrupted?
When possible, test during running operation: Yes No
Protective device with approach function: during machine operation, the protective field is
interrupted with the test object – are the obviously dangerous machine parts stopped with-
out noticeable delay?
Protective device with presence detection: the protective field is interrupted with the test
object – does this prevent operation of the obviously dangerous machine parts?