Siemens SINUMERIK 840D sl Function Manual page 455
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Activating the parameter set coding
Default setting without parameter set coding
Provided that the machine data below retain a value of (1), the control is compatible with
earlier software versions:
MD32452 $MA_BACKLASH_FACTOR = 1
MD32610 $MA_VELO_FFW_WEIGHT = 1
MD36012 $MA_STOP_LIMIT_FACTOR = 1
Activating the parameter set coding
If the default setting in machine data:
MD32452 $MA_BACKLASH_FACTOR
is changed to something other than (1.0), the backlash compensation is also changed,
depending on the parameter set.
If the default setting in machine data:
MD32610 $MA_VELO_FFW_WEIGHT
is changed to something other than (1.0), the feedforward control factor is also changed,
depending on the parameter set.
If the default setting in machine data:
MD36012 $MA_STOP_LIMIT_FACTOR
is changed to something other than (1.0), the exact limit stops and the zero-speed window
are also changed, depending on the parameter set.
When loading previous archives (from data stored in earlier software versions), machine
data:
MD32610 $MA_VELO_FFW_WEIGHT
is automatically set to the same value for all indices, to ensure that the control remains
compatible.
Machine data:
MD32452 $MA_BACKLASH_FACTOR
and
MD36012 $MA_STOP_LIMIT_FACTOR
are not even available in previous archives.
In this case, the default setting remains active automatically.
The response is also compatible in this case.
Basic logic functions: Velocities, Setpoint/Actual Value Systems, Closed-Loop Control (G2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Detailed description
2.4 Closed-loop control
67
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