Siemens SINUMERIK 840C Installation Instructions Manual page 348

09.01
1208*
Active:
Applies to feed axes only.
See MD 364*, 368*.
1212*
Active:
Applies to feed axes only.
See MD 364*, 368*.
1216*
Active:
Applies only to feed axes (not to C axes for spindles).
This machine data defines the maximum tolerance between the actual value of the first
measuring system and the actual value of the second measuring system which must not be
exceeded at the time of switching from one measuring system to another. Otherwise a setpoint
value jump occurs because the position controller tries to compensate for the change in the
actual value. To prevent this it is not possible to switch from one measuring system to another
when the tolerance is not maintained and the alarm 1016* "Measuring system switchover not
possible" is output.
1220*
This MD has the same meaning as MD 252*, see also functional description of parameter set
switchover.
_______
1) As from SW 2
2) As from SW 3
3) As from SW 4
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Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
More user manuals on
u: Impulses variable incremental weighting 2nd measuring
Default value Lower input limit
1
After Power On
v: Traversing path variable incremental weighting 2nd
Default value Lower input limit
1
After POWER ON
Switchover tolerance 1st/2nd measuring system
Default value Lower input limit
0
3)
1000
After Power On
Servo gain (Kv) factor 3rd parameter set
Default value Lower input limit
1 666 0
ManualsBase.com
6 NC Machine Data (NC MD), NC Setting Data (NC SD)
1)
system
Upper input limit
65000
0
9999 9999
1)
measuring system
Upper input limit
65 000
0
9999 9999
Upper input limit
0 16 000
Upper input limit
10 000
80 000 (as from SW 5)
6FC5197- AA50
6.7 Axis-specific MD 2 (axial data 2)
Active on
Power On
Units
1)
–
2)
Active on
Power On
Units
1)
units (MS)
2)
Active on
Power On
Units
units (MS)
Active on
Power On
Units
-1
0.01s
6–163