Control Techniques M'Ax, Руководство для продвинутых пользователей

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M’Ax Advanced User Guide
www.controltechniques.com Issue Number: 4
current (parameter 11.32) with no field weakening.
The load inertia should be calculated and entered into 3.20 so that the total inertia can be calculated. Before entering the load inertia value
into parameter 3.20, check the range status in parameters 5.34 and 5.54.
5.34 = 0 = kgm
2
= 1 = kgcm
2
5.54 = 0 = Ranges are shown for 3.18 and 3.20
= 1 = Ranges are divided by 10
Example:
Load inertia = 42kgcm
2
When 5.34 = 1 and 5.54 = 0, 3.20 = 42.0
When 5.34 = 1 and 5.54 = 1, 3.20 = 4.20
The hard speed reference is a reference value which does not pass through the ramp system (Menu 2). It is added to the normal post ramp
speed reference. The maximum of this input is limited to 500 rpm.
This parameter display’s the flux alignment value of the motor.
When the encoder rotates by more than one revolution, the revolutions in parameter 3.28 increment or decrement in the form of a sixteen bit
roll-over counter. Resets to zero on power down.
This parameter gives the encoder position counted from the point when the drive was powered up. On power up, SLM uses single cycle Sin-
Cos output to find absolute shaft position.
The encoder has a marker channel and this is used to correct the absolute position with in a revolution after power-Up. After passing through
the marker this bit is set and zero offset parameter [3.54] is updated with the difference between 0 of encoder position [3.29] and marker. This
is due to error on initial angle calculation using single cycle sin-cos.
CT-coder has a marker channel and this is used to correct the absolute position within a revolution after power-up. After passing through the
marker, if this bit is set to 1 then zero offset parameter 3.54 is updated using 12 Bit accuracy without interpolation, otherwise updated using 16
Bit accuracy with interpolation.
3.20 Load inertia
ô
0.1 ~ 6000.0
0.00001 ~ 0.6
ð
J
ML
Kgcm
2
Kgm
2
RW Uni 0.10
3.22 Hard speed reference
ô
±500
ð
0.0 rpm RW Bi
3.23 Hard speed reference selector
ô
0 ~ 1
ð
1 RW Bit
3.25 Feedback encoder phase offset
ô
0 ~ 65535
ð
SLM REV RW Uni
3.28 Feedback encoder revolution counter
ô
0 ~ 65535
ð
REV RO Uni 0.28
3.29 Feedback encoder position
ô
0 ~ 65535
ð
REV RO Uni 0.29
3.32 Z marker pulse received indicator
ô
0 ~ 1
ð
RO Bit
3.51 High resolution marker select
ô
0 or 1
ð
RW Bit
Zero
Load
100% Motor rated current
Stiffness angle