Testing
Leuze electronic
MLD 300, MLD 500
74
9.2
To be performed periodically by competent persons
The reliable interaction of safety sensor and machine must be periodically tested in order to detect
changes to the machine or impermissible tampering with the safety sensor. Testing intervals are deter
-
mined by nationally applicable regulations (recommendation acc. to IEC TS62046: 6 months).
Have all tests performed by competent persons.
Observe the nationally applicable regulations and the time periods specified therein.
9.3
To be performed daily by the operator
The function of the safety sensor must be checked daily, at change of shifts, and at each change of
machine operating mode as specified in the following check list see table 9.2so that damage or unauthor
-
ized manipulation can be detected.
Stop the dangerous state.
Check transmitter, receiver and, if applicable, deflecting mirrors for damage or manipulation.
Interrupt the light beam from a position outside the danger zone and ensure that the machine cannot be
started with an interrupted light beam.
Start the machine.
Ensure that the dangerous state is stopped as soon as a light beam is interrupted.
9.3.1 Check list – daily or at change of shift
Tester: Authorized operator or instructed person
Is the safety sensor effective during the entire dangerous movement of the machine?
Are the notices for daily testing of the safety sensor legible to the operator and are they
located in a highly visible location?
Is the muting indicator visibly mounted on the entry/exit path?
Check:
Yes
No
As a safety inspection, Leuze electronic offers periodic testing by a competent personsee
chapter 13 „Service and support“.
WARNING
Unpredictable machine behavior during the test may result in serious injury!
Make certain that there are no people in the danger zone.
WARNING
Severe injuries can result if the machine is operated further when faults occur during daily testing!
If you answer one of the items on the check list see table 9.2 with
no
, the machine must no longer be
operated.
Have the entire machine inspected by a competent person see chapter 9.1 „Before the initial start-up
and following modifications“.
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