Siemens SINUMERIK 840C Installation Instructions Manual page 354

01.99
1312*
These MD have the same meaning as MD 252*, see also "Functional Descriptions: Parameter
set switchover".
1316*
These MD have the same meaning as MD 252*, see also "Functional Descriptions: Parameter
set switchover".
1320*
Active:
This NC MD is similar to NC MD 252*. However, it only applies to axes involved in the function
"Thread" (G33 to G36, G63) (see Section entitled "Functional Descriptions").
As the rotary axis and the infeed axes interpolate for tapping, both of these axes must be set
with the active servo gain factor.
The time constants for the dynamic feedforward control (see NC MD 1324*) and the feed-
forward control factor ( NC MD 1260*) can also be used to reduce the following error.
Input value "0" means that instead of 1320* the value from 252*, instead of 1324* the value
from 392* and instead of 1260* the value from 312* are used.
Note:
SW 4 and higher: see the section entitled "Functional Descriptions: Parameter set switchover".
1324*
Active:
A time constant of the dynamic feedforward control can be entered for the axes involved in the
function "Thread" (G33 to G36, G63).
This machine data has the same effect as NC MD 392*.
NC MD 1324* is only used when NC MD 1320* is not equal to 0.
Note:
As from SW 4, for 8 parameter sets see the section entitled "Functional Descriptions:
Parameter set switchover".
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Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
More user manuals on
Servo gain factor 5th parameter set (as from SW 4)
Default value Lower input limit
1 666 0
Servo gain factor 6th parameter set (as from SW 4)
Default value Lower input limit
1 666 0
Servo gain factor 2nd parameter set for thread cutting
Default value Lower input limit
166
0
0 (as from SW 4.4)
All channels of the mode group in STOP
Time constant symmetrizing filter rigid tapping
Default value Lower input limit
0
In the next block
ManualsBase.com
6 NC Machine Data (NC MD), NC Setting Data (NC SD)
Upper input limit
10 000
80 000 (as from SW 5)
Upper input limit
10 000
80 000 (as from SW 5 )
(G33, G36, G63)
Upper input limit
10 000
80 000 (as from SW 5)
Upper input limit
0 1 000
6FC5197- AA50
6.7 Axis-specific MD 2 (axial data 2)
Active on
NC Stop
Units
-1
0.01s
Active on
NC Stop
Units
-1
0.01s
Active in
BAG in Stop
Units
-1
0.01 s
Active on
NC Stop
Units
0.1 ms
6–169