
05.91
6 NC Channel/PLC Interface (DB 10 ... DB 25)
6.4.5 General feed disable
6.4.5
General feed disable
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GENERAL FEED DISABLE
DW 6
1 signal:
Effects feed hold of all interpolator controlled axes provided that no G 33 (thread
cutting) signal is present.
0 signal:
Effects feed enable of all axes.
Notes:
•
The signal is effective only in the automatic modes.
•
When GENERAL FEED DISABLE is selected, all axes in motion are brought to a standstill
along the contour. Position control remains operative, i.e. the following error is reduced to
zero.
•
GENERAL FEED DISABLE is activated if at least one bit in DW 6 is set.
•
If an axis must not be traversed in any mode due to interlock conditions, this must be
prevented for the specific axis with FEED DISABLE.
•
A message can be allocated to any FEED DISABLE bit.
Signal chart
1
2
3
4
5
6
7
1:
FEED OFF signal
2:
FEED ON signal
3:
FEED DISABLE signal
4:
Motion command (e.g. X +)
5:
X axis in motion
6:
Block executed
7:
Controlled positioning
Example of application:
To interrupt machining by selecting FEED OFF on the operator panel.
©
Siemens AG 1991 All Rights Reserved 6ZB5 410-0HE02
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SINUMERIK 880 (PJ)