Chapter 8 Servo Parameters
8-62 Revision January 2011
2. When the source of speed command is analog command, the maximum setting
value of P1-36 is limited to 10000 automatically.
P1 - 37
GDR Ratio of Load Inertia to Servo Motor Inertia Address: 014AH, 014BH
Default: 10 Related Section: N/A
Applicable Control Mode: ALL
Unit: 0.1 times
Range: 0 ~ 2000
Data Size: 16-bit
Display Format: Decimal
Settings:
Ratio of load inertia to servo motor inertia (for Rotation Motor): (J_load /J_motor)
J_load: Total equivalent moment of inertia of external mechanical load
J_motor: Moment of inertia of servo motor
Ratio of load weight to servo motor weight (for Linear Motor): (M_load
/M_motor)(not available now but will be available soon)
M_load: Total equivalent weight of external mechanical load
M_motor: Weight of servo motor
P1 - 38
ZSPD Zero Speed Range Setting Address: 014CH, 014DH
Default: 100 Related Section: Table 8.A
Applicable Control Mode: ALL
Unit: 0.1 r/min
Range: 0 ~ 2000
Data Size: 16-bit
Display Format: Decimal
Settings:
This parameter is used to set output range of zero speed signal (ZSPD) and determine
whrn zero speed signal (ZSPD) becomes activated. 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 100 r/min. ZSPD will remain activated until the motor speed
increases above 100 r/min.
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Call 1(800)985-6929 for Sales
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