Start-up including validation test
To ensure the safe operation of a safety function, validation is required. The final
assembler of the machine must validate the function by performing a validation test.
The test must be performed
• at initial start-up of the safety function
• after any changes related to the safety function (circuit boards, wiring, components,
settings, etc.)
• after any maintenance work related to the safety function
• at the proof test of the safety function
• after a drive firmware update.
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Competence
The validation test of the safety function must be carried out by a competent person
with adequate expertise and knowledge of the safety function as well as functional
safety, as required by IEC 61508-1 clause 6. The test procedures and report must be
documented and signed by this person.
■
Validation test reports
Signed validation test reports must be stored in the logbook of the machine. The report
shall include documentation of start-up activities and test results, references to failure
reports and resolution of failures. Any new validation tests performed due to changes
or maintenance shall be logged into the logbook.
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Validation test procedure
After wiring the Safe torque off function, validate its operation as follows.
Note:
If the drive is equipped with safety Q972, +Q973 or +Q982, also do the
procedure shown in the FSO-xx module documentation.
Action
WARNING!
Obey the safety instructions. If you ignore them, injury or death, or damage to the
equipment can occur.
Make sure that the drive can be run and stopped freely during start-up.
Stop the drive (if running), switch the input power off and isolate the drive from the power
line using a disconnector.
Check the STO circuit connections against the wiring diagram.
Close the disconnector and switch the power on.
216 The Safe torque off function
Summary of Contents for ACS880-11
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Page 225: ... Declarations of conformity The Safe torque off function 225 ...