DIFFERENCES BETWEEN SGDA AND SGD SERVOPACKS
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Comparison of the SGDA Servopack with the SGD Servopack shows the following improvements in
performance and functions.
Item SGDA Servopack SGD Servopack
Speed Loop Frequency
Characteristics
250 Hz 150 Hz
Servo Gain Compensation
(See note 1)
Yes No
Auto Tuning 7-stage settings 3-stage settings
Serial Communications
Features
User constant setting/editing
Reference to all monitored values
Auto-tuning
Alarm trace-back confirmation
User constant setting/editing
Multi-axis Communications Yes (However, 1:1 communications when axis
address is set.)
No
100 V, 300 W Version Yes (External dimensions identical to 200 V,
750 W version)
No
Applicable Servomotors Both SGM and SGMP servomotors
Either servomotor type can be used by changing
user constant (memory switch) setting. No
Servopack change required.
SGM servomotors.
Servopack must be changed to use
SGMP servomotor.
SGMP-compatible Servopack Types
Capacity
SGMP-
compatible
S: Speed control
P: Position control
(03 available in 100 V only)
Torque Feed Forward
(See note 2)
Yes
Torque feed forward and torque restriction
with analog references cannot be used
No
Torque Restriction with Analog
References (See note 2)
Yes
simultaneously.
Settings identical for forward and reverse.
No
Reference Pulse Input Unit
Filter Selection (See note 3)
Yes Select according to output form of the
customer’s controller (line driver or open
collector).
None
External Reference Receive
During Contact Input Speed
Control
Possible Not possible
Reference Pulse Inhibit Yes Switch the P-CON signal with the user
constant settings.
No
Reference Pulse Value
Display (See note 3)
Possible (Monitor mode Un-09) Not possible
Note 1) Material is being prepared on speed loop servo gain compensation.
2) Speed control type only.
3) Position control type only.
A
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