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Fastech S-SERVOII User Manual

Fastech S-SERVOII
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8
Variety of Protection Functions
Drive and equipment can be protected by the alarm
(11 kinds) of such as motor connection error, encoder
connection error etc.
9
Variety of Position Command Unit
According to the purpose of usage, S-SERVOⅡ offer
16 stage (500~50,000P/R) of position command unit.
6
No Hunting
Traditional servo motor drives overshoot their position
and try to correct by overshooting the opposite direction,
especially in high gain applications. This is called null
hunt and is especially prevalent in systems that the
break away or static friction is significantly higher than
the running friction. The cure is lowering the gain, which
affects accuracy or using S-SERVOⅡ Motion Control
System. S-SERVOⅡ utilizes the unique characteristics of
stepping motors and locks itself into the desired target
position, eliminating Null Hunt. This feature is especially
useful in applications such as nanotech manufacturing,
semiconductor fabrication, vision systems and ink jet
printing in which system oscillation and vibration could
be a problem.
7
High Torque
Compared with common step motors and drives,
S-SERVOⅡ motion control systems can maintain a high
torque state over relatively long period of time. This means
that S-SERVOⅡ continuously operates without loss of
position under 100% of the load. Unlike conventional
Microstep drives, S-SERVOⅡ exploits continuous high
torque operation during high speed motion due to its
innovative optimum current phase control.


 
The torque at low speed is improved about 30%.
Measured Condition : Drive = S-SERVOⅡ-ST-42L
Motor Voltage = 24VDC
Input Voltage
= 24VDC
Torque Improvement
S-SERVOⅡ can increase the motor current up to 150%
by setting the Run Current by parameter. Therefore
acceleration and deceleration characteristics and torque
characteristics at low speed can be increased.
S-SERVOⅡ can improve the torque in the low speed
range by about 30%.
(Motor Current Setting)
Speed [rpm] × 100
Torque [N
.
m]
800
700
600
500
400
300
200
100
0
0.1 1 2 3 4 5 6 7 8 9 10 12 14 16 18 20 22 24 26 28 30
5

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Fastech S-SERVOII Specifications

General IconGeneral
BrandFastech
ModelS-SERVOII
CategoryServo Drives
LanguageEnglish

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