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Start-up and acceptance test
Contents of this chapter
This chapter describes the start-up, acceptance test procedure, and validation of the safety
function.
Validation of the safety functions
You must do an acceptance test (validation) to validate the correct operation of safety
functions.
￭
Competence
The acceptance test of the safety function must be carried out by a competent person with
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 procedure
You must do the acceptance test using the checklist given in section Start-up and acceptance
test:
•
at initial start-up of the safety function
•
after any changes related to the safety function (wiring, components,
safety-function-related parameter settings, etc.)
•
after any maintenance work related to the safety function.
The acceptance test must include at least the following steps:
•
you must have an acceptance test plan
•
you must test all commissioned functions for proper operation, from each operation
location
•
you must document all acceptance tests
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