Leuze electronic MSI-TRMB, Оригинальная инструкция по эксплуатации, Страница: 35 / 47

Testing
Leuze electronic MSI-TRMB 35
9 Testing
The safety relays must be exchanged after a maximum of 20 years.
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Always exchange the entire safety relay.
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For the tests, observe nationally applicable regulations.
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Document all tests in a comprehensible manner.
9.1 Before the initial start-up and following modifications
Acc. to IEC 62046 and national regulations, tests are to be performed by competent persons in the
following situations:
• Prior to the initial start-up
• Following modifications to the machine
• After longer machine downtime
• After retrofitting or reconfiguring the safety device (safety relay and/or protective sensor)
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Test the effectiveness of the shutdown function in all operating modes of the machine acc. to the corre
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sponding checklist see chapter 9.1.1 "Checklist – initial start-up".
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Document all tests in a comprehensible manner and include the configuration of the safety relay along
with the data for the safety and minimum distances in the documentation.
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Before they begin work, train the operating personnel on their respective tasks. The training is the
responsibility of the operating company.
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Check whether the safety relay was correctly selected acc. to the locally applicable regulations and
directives.
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Check whether the safety relay is operated acc. to the specified environmental conditions (see
chapter 14 "Technical data").
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Make certain that the safety relay is protected against overcurrent.
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Perform a visual inspection for damage and test the electrical function see chapter 9.2 "To be performed
periodically by a competent person".
Minimum requirements for the power supply unit:
• Safe mains separation.
• Power-failure bridging for at least 10 ms.
Not until proper function of the optoelectronic safety device or the E-Stop switch or safety door switch and
safety relay is ascertained may they be integrated in the control circuit of the system.
9.1.1 Checklist – initial start-up
Interval: once, prior to the initial start-up and following modification
Tester: competent person
WARNING
A running machine may result in serious injury!
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Make certain that, during all conversions, maintenance work and inspections, the system is securely
shut down and protected against being restarted.
WARNING
Unpredictable machine behavior during initial start-up may result in serious injury!
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Make certain that there are no people in the danger zone.
As a safety inspection, Leuze electronic offers testing by a competent person prior to commis
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sioning (see chapter 13 "Service and support").