Siemens SINUMERIK 840C Installation Instructions Manual page 305

6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.6.1 General MD bits (general bits)
NC MD
5185
Default value:
Active:
Bit 0
Bit 0 = 1
V
G64
NC generates
"coarse" exact stop
Bit 0 = 0
V
G64
Bit 6 and 7 (should only be used for very slow spindle speeds)
The G92 angle is always calculated in one direction, irrespective of the direction of rotation.
This direction can be set via machine data:
Bit 6=1
Bit 7=1
Note:
Only one direction can be selected.
Default value: Both bits=0
6–120
More user manuals on
7 6 5
Angle offset for
thread cutting
negative positive
(as from SW 5.7)
0
NC Stop
If a path is traversed in an NC block with G64 and traversing continued in the
next block with G00, the NC generates feedrate reduction with coarse exact
stop at the end of the block.
G00
S
G00
S
Angle G92 A.. always calculated in the positive spindle direction
Angle G92 A.. always calculated in the negative spindle direction
Angle is calculated in the actual direction of rotation.
ManualsBase.com
Bit No.
4 3 2
V
G64
NC generates
"coarse" exact stop
V
G64
©
Siemens AG 1992 All Rights Reserved
09.01
1 0
Exact stop
on change
from G64 to
G00
S
G00
S
G00
6FC5197- AA50
SINUMERIK 840C (IA)