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1.3 SERVOPACK Ratings and Specifications
1-7
1.3.3 Speed/Position/Force Control
The following table shows the basic specifications at speed/position/force 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 voltage12 V
(forward speed reference with positive reference)
• Factory setting: 6 VDC at rated speed
Input gain setting can be varied.
Input Impedance Approx. 14 k
Circuit Time Constant 30 s
Internal Set
Speed Control
Movement Direction Selec-
tion
With P control signal
Speed Selection
With forward/reverse external
force limit signal (speed 1
to 3 selection).
Servomotor stops or another control method is used wh
en
both are OFF.
Position Control
Performance
Feedforward Compensation
0% to 100%
Positioning Completed
Wid
th Setting
0 to 1073741824 reference units
Input Signals
Reference
Pulse
Type
Select one of them:
Sign + pulse train, forward + reverse 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, forward + rever
se pulse train: 4 Mpps
Two-phase pulse train with 90 pha
se differential:
1 Mpps
Open Collector
Sign + pulse train, forward + reverse p
ulse train: 200
kpps
Two-phase pulse train with 90 phase differential:
200 kpps
Reference
Pu
lse Input
Multiplication
Switching
1 to 100 times
Clear Signal
Position error clear
For line driver, open collector
Force Control Input Signals
Reference Voltage
• Max. input voltage12 V
(forward force reference with positive reference)
• Factory setting: 3 VDC at rated force
Input gain setting can be varied.
Input Impedance Approx. 14 k
Circuit Time Constant 16 s
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