15 Appendix
Questions for a validation in accordance with EN ISO 13849-1 and
-2 (example)
No. Questions Yes/No Completed
1 Has a risk assessment been conducted? Yes No
2 Have an error list and a validation plan been drawn up? Yes No
3 Has the validation plan, including an analysis and
test/inspection, been executed and has a validation report
been compiled?
The validation procedure must include the following
tests/inspections as a minimum:
Yes No
a. Inspection of components: Is the servo drive a
BL 4000-C servo drive (check against the type
plates)?
Yes No
b. Is the wiring correct (check against the wiring
diagram)?
Yes No
Have any jumpers been removed? Yes No
Has a safety relay been connected to X3? Yes No
Has the safety relay been certified and wired in
accordance with the requirements of the
application?
Yes No
c. Functional tests: Actuation of the emergency
cut-out switch of the system. Does the drive
stop?
Yes No
If only STO-A is activated, does the drive stop
immediately and is the error "Discrepancy time"
(52-1) signalled after the discrepancy time has
elapsed?
Yes No
If only STO-B is activated, does the drive stop
immediately and is the error "Discrepancy time"
(52-1) signalled after the discrepancy time has
elapsed?
Yes No
Does the system detect a short circuit between
STO-A and STO-B or has a suitable fault
exclusion been defined?
Yes No
Is a restart effectively prevented? This means
that if the emergency cut-out switch has been
actuated and if the enable signals are active,
there will be no movement following a start
command unless an acknowledgement has
been given.
Yes No
Product manual BL 4000-C Page 267 of 298
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