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