5.3 Periodic Inspection
5.3 Periodic Inspection
● According to the periodic inspection frequency as specified in ISO 14119, inspect the
following items and verify that there are no abnormalities. Operating this device without
performing the inspection or without removing the abnormal condition may cause death
or serious injury.
■
Inspection frequency
SIL3 / PLe: At least once a month, SIL2 / PLd: At least once a year
Checklist (periodic inspection)
Check
column
The structure of the machine does not prevent any safety mechanisms from causing the
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machine to stop or to make an emergency stop.
No modification has been made in the machine control system that obstructs the safety
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mechanisms.
There is no change in the installation environment of the switch body, the actuator and the door
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where they are mounted.
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Check each door to confirm that the machine stops when the door opens.
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No screws or connectors related to the device are loose.
5-4
Inspection item
WUME-SGPUM-2