Leuze electronic MLC 520 EX Series User Manual

Testing
Leuze electronic MLC 530 73
9.2 To be performed periodically by competent persons
The reliable interaction of safety sensor and machine must be periodically tested by competent persons in
order to detect changes to the machine or impermissible tampering with the safety sensor. Testing inter-
vals are determined by nationally applicable regulations (recommendation acc. to IEC/TS 62046:
6 months).
 Have all tests performed by competent persons.
 Observe the nationally applicable regulations and the time periods specified therein.
9.3 Daily or at change of shift 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 so that damage or unauthorized manipu-
lation can be detected.
9.3.1 Check list – daily or at change of shift
Tester: authorized operator or instructed person
Table 9.2: Check list – daily or at change of shift
If you answer one of the items on the check list (see table 9.1) with no , the machine must no lon-
ger be operated.
As a safety inspection, Leuze electronic offers periodic testing by a competent person in selected
countries (see chapter 13).
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 when faults occur during daily testing!
 Have the entire machine inspected by a competent person (see chapter 9.1).
Check: Yes No
Is the safety sensor aligned correctly? Are all fastening screws tightened and all connec-
tors secured?
Are safety sensor, connecting cable, plug and command devices undamaged and with-
out any sign of manipulation?
Are all point of operations at the machine accessible only through one or more protective
fields of safety sensors?
Are all additional protective devices mounted correctly (e.g., safety guard)?
Does the start/restart interlock prevent the automatic start-up of the machine after the
safety sensor has been switched on or triggered?
 During operation, interrupt an active light beam with a test object provided for this pur-
pose (see figure 9.1).
Is the dangerous movement shut down immediately?

Leuze electronic MLC 520 EX Series Specifications

General

Brand	Leuze electronic
Model	MLC 520 EX Series
Category	Lighting Equipment
Language	English