Programmable SyncPos motion controller
MG.10.J8.02 – VLT is a registered Danfoss trade mark
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31 RAMPMIN
The RAMPMIN parameter determines the shortest
ramp (maximum acceleration). It indicates how
long the acceleration phase lasts at the very least
in order to achieve the rated velocity.
NB!
If you work with the SyncPos option card then
you should always set the ramps via the
option card and not in the VLT. The VLT ramps must
always be set to minimum.
Content
Shortest ramp
Parameter Group
Axis parameter Velocity AXV
CAM-Editor: index card Velocity
Unit
msec
Value range
1 … 65535 ★ 1000
32 RAMPTYPE
RAMPTYPE determines the type of ramp used
(trapeze or sinusoidal).
Content
Ramp type
Parameter Group
Axis parameter Velocity AXV
CAM-Editor: index card Velocity
Value range
0 – 1 ★ 0
0 = trapeze
1 = sinusoidal
29 PROFTIME
The Parameter gives the possibility to set the sample
time for the profile generator, which is independent
of the sample time for the PID controller.
For demanding control tasks in the background
(SYNCP, SYNCM, SYNCC), the execution time of the
SyncPos program may rise drastically. In such
cases, the scan time of the profile generator can be
increased to 2000 in order to have more time
available for the SyncPos program. Values higher
than 2000 provide hardly any benefits.
NB!
The VEL, ACC and DEC has to be set after a
SET PROFTIME command.
Content
Scan time for profile generator
Parameter Group
Axis parameter PID-Controller AXR
CAM-Editor: index card PID
Unit
ms
Value range
1000, 2000 ★ 1000
1000 = 1 ms
2000 = 2 ms
30 MENCODER
MENCODER indicates the number of counts of
the master encoders in pulses counts per revo-
lution.
Content
Resolution of master encoder
Parameter Group
Axis parameter Encoder AXE
CAM-Editor: index card Encoder
Unit
Encoder counts per revolution
Value range
1 … MLONG ★ 500
Parameter Reference
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