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3.3.8.7
Expert configuration
The obstruction detection system has been designed so that it can be adapted to the widest
range of system environments, structures and properties. The following parameters are
mainly provided for such adaptations, and have to be changed for standard systems.
Parameter assignment
● Function configuration
Stop and force obstruction detection can be deactivated for each drive direction in
parameter p3850 (bits 0 and 1, and 4 and 5 respectively). The counting of obstructions
can also be suppressed for each drive direction (bits 2 and 5).
● Lead times
After a drive order is changed or the direction of motion is reversed, the obstruction
detection is activated after a variable ON-delay time (p3852 and p3869).
● Range restriction
Obstruction detection is suppressed in a variable range beforereaching the relevant end
stop (p3856 and p3873).
It is also suppressed after leaving the relevant end stop (p3857 and p3874).
Force obstruction detection, in particular, is suppressed before the creep distance (p3858
and p3875). It is suppressed in a variable range after the last obstruction (p3859 and
p3876).
ATD4xxW Door Controller for Industrial Applications
System Manual, 01/2017, A5E38080677-AB
SIDOOR functions
3.3 Extended functions
75
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