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MDS-D2/DH2 Series Instruction Manual
6.1 Adjustment Procedures for Each Control
6.1.6 High-speed Synchronous Tapping
This function enables the reduction of synchronization errors by allowing data communication between drive units.
<Adjustment method>
(1) Adjust the normal synchronous tapping.
(2) Set the total inertia rate with respect to the motor inertia to the servo parameter "SV037". If this value has already
been set for adjustment of the other functions, use the same value.
(3) Set 600 to the servo parameter "SV129".
(4) Set the basic specification parameter "#1281/ bit5 =1(high-speed synchronous tapping valid)".
(5) Adjust the spindle parameter "#3120" while confirming that the current margin and the number of error pulses are
within the tolerable range in the high-speed synchronous tapping operation.
High-speed synchronous tapping time constant
= Normal synchronous tapping time constant×{100 - (Setting value of #3120)} /100
【#2237】 SV037 JL Load inertia scale
Set the motor axis conversion total load inertia including motor itself in proportion to the motor
inertia.
SV037(JL)=(Jm+Jl)/Jm×100
Jm: Motor inertia
Jl: Motor axis conversion load inertia
For linear motor, set the gross mass of the moving sections in kg unit.
<<Drive monitor load inertia ratio display>>
Set SV035/bitF=1 and imbalance torque and friction torque to both SV032 and SV045, and then
repeat acceleration/deceleration for several times.
---Setting range---
For general motor: 0 to 5000 (%)
For linear motor 0 to 5000 (kg)
【#2329】 SV129 Kwf Synchronous control feed forward filter frequency
Set the acceleration rate feed forward filter frequency in high-speed synchronous tapping control.
The standard setting is "600".
Related parameters: SV244
---Setting range---
0 to 32767 (rad/s)
Cycle time
Cycle time
Synchronous error
Spindle position
Spindle speed
Spindle speed
Spindle position
Synchronous error
Normal synchronous tapping High-speed synchronous tapping
Reduction