Testing
Leuze electronic GmbH + Co. KG
MLC 530 SPG
82
10.3.1 Checklist – periodically by the operator
NOTICE
Ä
If you answer one of the items on the following check list with
no
, the machine must no
longer be operated.
Periodic function test based on the hazard assessment
Tab. 10.2:
Checklist – testing by instructed operators/persons
Test at least:
Yes
No
Are safety sensor and connectors securely mounted and free of obvious signs of damage,
changes or tampering?
Were no 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 3.3.2 "Operating
indicators on the MLC 530 SPG 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).
For light curtains with different resolution ranges, this check is to be performed separately
for each resolution range.
• Does LED2 (protective field free) on the receiver illuminate constantly yellow 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?
