10
03/2006
10.3 Interface signals: Drive test travel request and Travel enable
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© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
10.3 Interface signals: Drive test travel request and Travel
enable
Axes with a mechanical brake may need the brake to be activated in some
cases. This is done using the Enable with PLC function from the main screen
of the travel function concerned.
In the PLC user program, this can be done with the travel request (NCK→PLC)
signal that is generated when the measuring function is selected.
– DB31–DB61, ... DBX61.0 “Drive test travel request”
and the acknowledgment signal for the motion enable (PLC→NCK)
– DB31–DB61, ... DBX1.0 “Drive test travel enable”
can then be linked in the PLC user program as follows.
This safety mechanism can be deselected via the Enable option without PLC.
Reference material: /FB1/ A2, Various NC/PLC interface signals and
functions
The traversing range monitoring function can be deactivated for axes with an
infinite traversing range.
Explanation
Deactivating
monitoring
10 Drive O
timization
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