Delta Electronics AC Servo Drive ASDA-AB User Manual page 193

Chapter 7 Servo Parameters|ASDA-AB Series
P1 - 45▲
GR2 Electronic Gear Ratio (Denominator)
Default: 1
Applicable Control Mode: Pt, Pr
Unit: Pulse
Range: 1 ~ 32767
Settings:
Electronic gear denominator setting.
It is recommended to set electronic gear ratio when the servo drive is Off. As the wrong setting
may cause motor to run chaotically (out of control) and it may lead to personnel injury, therefore,
ensure to observe the following rule when setting P1-44, P1-45.
The electronic gear ratio setting (Please also see P1-44, P2-60 ~ P2-62):
Pulse input
f1
f1: Pulse input
f2: Position command
N: Numerator 1, 2, 3, 4, the setting value of P1-44 or P2-60 ~ P2-63
M: Denominator, the setting value of P1-45
The electronic gear ratio setting range must be within: 1/50<N/M<200.
7-44
Position
N
command
M
N
f2 = f1 x
M
Communication Addr.: 012DH
Related Section:
Section 6.3.6
Revision January 2009