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Parameterization of the module
105739_en_04
PHOENIX CONTACT
35
5.3
Behavior of the outputs in the event of enabled
switch-off delay for stop category 1
The time until the outputs are actually switched off depends on the parameterization of the
switch-off delay and the event that causes the outputs to be switched off.
For switch-off, please take into consideration the following:
–
Switch-off can be interrupted by switching the output on again.
–
If the parameterization of the module is modified, the modified parameterization
does not take effect until all the outputs have been switched off.
–
If the parameterization is modified before switch-off is complete, a diagnostic
message is generated.
–
If the parameterization is modified, this can result in delayed startup due to the
switch-off delay.
•
Carry out a validation every time the parameterization is modified.
Table 5-2
Switching off the outputs according to the trigger event and the parameterization
Switching off outputs
Influence of set switch-off
delay
Switching off outputs
By the safe controller
Yes
Once the set switch-off delay has elapsed
After a bus error
Yes
Once the set switch-off delay has elapsed
After a short circuit, cross-circuit, failure of
the supply voltage or hardware fault
No
Immediately (only stop category 0)
WARNING: Delayed switch-off
Stop category 1 results in delayed switch-off.
•
Note the following for stop category 1:
–
The affected outputs are only set to the safe state once the switch-off delay has
elapsed.
–
In the event of an error (excluding bus errors) the affected outputs are switched
off immediately (without delay). In this case, only stop category 0 is supported.
WARNING: Incorrect/insufficient safety distances
Selecting the wrong switch-off delay can result in incorrect safety distances being
designed.
•
When designing the safety distances, take the selected switch-off delay into
consideration.
Содержание Axioline F
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