1  Outline
1.4.3  Speed/Position/Torque Control
1-12
∗1. Set Pn001 to 2 in the multi-winding drive unit parameters if you will not use the dynamic brake.
∗2. Implement risk assessment and confirm that the safety requirements of the machine have been met.
1.4.3 Speed/Position/Torque Control
The following table shows the basic specifications of the multi-winding drive unit at speed/position/torque 
control.
Control Method Specifications
Speed Control
Performance Soft Start Time Setting
0 to 10 s (Can be set individually for acceleration and 
deceleration.)
Input Signals
Reference Voltage
• Max. input voltage: ±12 V 
(forward speed reference with positive reference)
• Factory setting: 6 VDC at rated speed
Input gain setting can be varied.
Input Impedance Approx. 14 kΩ 
Circuit Time Constant 30 μs
Internal Set
Speed Control
Rotation Direction Selection With P control signal
Speed Selection
With forward/reverse external torque limit signal (speed 1 
to 3 selection).
Servomotor stops or another control method is used when 
both are OFF.
Position Control
Performance
Feedforward Compensation
0% to 100%
Positioning Completed 
Width Setting
0 to 1073741824 reference units
Input Signals
Reference 
Pulse
Type
Select one of them:
Sign + pulse train, CW + CCW pulse train, or two-phase 
pulse train with 90° phase differential
Form For line driver, open collector
Max. Input 
Pulse Fre-
quency
Line driver
Sign + pulse train, CW + CCW pulse train: 4 Mpps
Two-phase pulse train with 90° phase differential: 
1 Mpps
Open Collector
Sign + pulse train, CW + CCW pulse train: 200 kpps
Two-phase pulse train with 90° phase differential: 
200 kpps
Reference 
Pulse Input 
Multiplication 
Switching
1 to 100 times
Clear Signal
Position error clear
For line driver, open collector
Torque Control Input Signals
Reference Voltage
• Max. input voltage: ±12 V 
(forward torque reference with positive reference)
• Factory setting: 3 VDC at rated torque
Input gain setting can be varied.
Input Impedance Approx. 14 kΩ 
Circuit Time Constant 16 μs