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MDS-D2/DH2 Series Instruction Manual
4.3 Setting the Initial Parameters for the Spindle Drive Unit
【#13046】 SP046 FHz2 Notch filter frequency 2
Set the vibration frequency to suppress when machine vibration occurs.
(Enabled at 50 or more.)
When not using, set to "0".
Related parameters: SP034/bit7-5
---Setting range---
0 to 2250 (Hz)
【#13047】 SP047 EC Inductive voltage compensation gain
Set the inductive voltage compensation gain. Normally, set to "100".
Lower the gain when the current FB peak exceeds the current command peak.
---Setting range---
0 to 200 (%)
【#13048】 SP048 LMC1 Lost motion compensation 1
Set this parameter when the protrusion (that occurs due to the non-sensitive band by friction, torsion,
backlash, etc.) at quadrant change is too large.
This sets the compensation torque at quadrant change (when an axis feed direction is reversed) by
Short-time rated %.
Whether to enable the lost motion compensation and the method can be set with other parameters.
[Type 2 "When SP033/bit9,8=10"]
Set the compensation amount based on the motor short-time rated current.
The standard setting is double of the friction torque. The compensation amount will be 0 when "0" is
set.
Related parameters: SP033/bit9-8, SP039, SP040, SP041, SP227/bit2
[To vary compensation amount depending on the direction]
When SP041 (LMC2) is "0", change SP048 (LMC1) value in both of +/- directions to compensate.
To vary the compensation amount depending on the command direction, set this with SP041
(LMC2).
(SP048: + direction, SP041: - direction, However, the directions may be opposite depending on
other settings.)
When "-1" is set, the compensation will not be performed in the command direction.
---Setting range---
-1 to 200 (Short-time rated %)
Note that when SP227/bit2 is "1", the range will be -1 to 20000 (Short-time rated 0.01%).
【#13049】 SP049 FFC Acceleration rate feed forward gain
When a relative error in the synchronous control is too large, set this parameter to the axis that is
delaying.
The standard setting is "0". The standard setting in the SHG control is "50".
Adjust relative errors in acceleration/deceleration by increasing the value by 50.
---Setting range---
0 to 999 (%)
【#13050】 SP050 TOF Torque offset
Set the imbalance torque.
---Setting range---
-100 to 100 (Short-time rated %)