Test
Leuze electronic MLC 520 EX 43
Table 9.2: Checklist – regular function test by trained operators/persons
Test at least: Yes No
Are safety sensor and connectors securely mounted and free of obvious signs of dam-
age, changes or tampering?
Were obvious changes made to access or entry possibilities?
Test the effectiveness of the safety sensor:
• The LED 1 on the safety sensor must illuminate green (see chapter "").
• Interrupt an active beam or the protective field (see figure 9.1) with a suitable,
opaque test object:
Figure 9.1: Checking the protective field function with test rod (only for safety light cur-
tains with a resolution of 14 to 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
without 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?
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