
MPH-02, MPB-02, MPD-02 Operating Modes 7-11
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Masking the Command Value
The masking windows (max. 4) that can be defined via P-0-1207, Lower
limit of velocity masking window and P-0-1208, Upper limit of
velocity masking window are used to suppress resonance phenomena
of a machine or in an installation. The drive should not be permanently
moved at velocities within these windows. A velocity command value
within the value range of one of the 4 definable windows is either reduced
to the lower limit P-0-1207 or increased to the upper limit P-0-1208.
v
P-0-1208
P-0-1207
t
v
cmd
v
ramp
P-0-1207: lower limit of velocity masking window
P-0-1208: upper limit of velocity masking window
Fig. 7-6: Function "velocity masking window with hysteresis"
See also Parameter Descriptions "P-0-1207, Lower limit of velocity
masking window" and "P-0-1208, Upper limit of velocity masking window"
The subsequent ramp generator passes the range of the velocity window;
the values indicated in P-0-1209, Acceleration factors for velocity
masking window have a multiplying effect on the acceleration values of
the ramp generator (P-0-1201, P-0-1203, P-0-1211 and P-0-1213).
v
P-0-1208
P-0-1207
t
v
cmd
v
ramp
P-0-1209
P-0-1207: lower limit of velocity masking window
P-0-1208: upper limit of velocity masking window
Fig. 7-7: Operating principle of the acceleration factors from P-0-1209
See also Parameter Description "P-0-1209, Acceleration factors
for velocity masking window"
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