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Chapter 7 Servo Parameters|ASDA-B Series
Revision February 2008, Doc. Name: 2006PDD23000009 7-33
P1 - 37
GDR Ratio of Load Inertia to Servo Motor Inertia Communication Addr.: 0125H
Default: 10 Related Section:
Applicable Control Mode: P/S/T P2-31, P2-32, Section 6.3.6
Unit: 0.1times
Range: 0 ~ 2000
Settings:
Ratio of load inertia to servo motor inertia: (J_load /J_motor)
P1 - 38
ZSPD Zero Speed Range Setting Communication Addr.: 0126H
Default: 10 Related Section:
Applicable Control Mode: P/S/T DO ZSPD(03) in Table 7.B
Unit: rpm
Range: 0 ~ 200
Settings:
This parameter is used to set output range of zero speed signal (ZSPD).
ZSPD is activated when the drive senses the motor is equal to or below the Zero Speed Range
setting as defined in parameter P1-38.
For Example, at default ZSPD will be activated when the drive detects the motor rotating at
speed at or below 10 rpm. ZSPD will remain activated until the motor speed increases above 10
RPM.
P1 - 39
SSPD Target Rotation Speed Communication Addr.: 0127H
Default: 3000 Related Section:
Applicable Control Mode: P/S/T DO TSPD(04) in Table 7.B
Unit: rpm
Range: 0 ~ 5000
Settings:
When target rotation speed reaches its preset value, digital output (TSPD) is enabled. When the
forward and reverse speed of servo motor is equal and higher than the setting value, the motor
will reach the target rotation speed, and then TSPD signal will output.
TSPD is activated once the drive has detected the motor has reached the Target Rotation Speed
setting as defined in parameter P1-39. TSPD will remain activated until the motor speed drops
below the Target Rotation Speed.