Chapter 13
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Technical commissioning
13.3 Technical test and commissioning
The machine or system that is protected by a MELSEC-WS safety controller may
only be started up after a successful technical check of all safety functions. The
technical test may only be performed by qualified safety personnel.
The technical test includes the following test items:
Uniquely mark all connection cables and connectors at the safety controller in
order to avoid confusion. Since the MELSEC-WS safety controller has several
connections of the same design, you must ensure that loosened connection
cables are not connected back to the wrong connection.
Verify the configuration of the MELSEC-WS safety controller.
Check the signal paths and the correct inclusion in higher-level controllers.
Check the correct data transfer from and to the MELSEC-WS safety controller.
Check the logic program of the safety controller.
Completely document the configuration of the entire system, of the individual
devices and the results of the safety check.
Check the safety functions of the machine or system completely and ensure that
the safety functions function perfectly.
In order to prevent unintentional overwriting of the configuration, activate the write
protection of the configuration parameters of the MELSEC-WS safety controller.
Modifications are now no longer possible unless the write protection has been
deactivated.
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