Maxsine EP3 AC Series, User Manual

Page: 68 / 246

Chapter 4 Running
58
4
5
) 1 / 1 ( 8000
10000
) ( ratio gear Electronic





R P
P
M
N
c
t
 Set parameters (By first numerator as an example)
Numerator N=5
，
denominator M=4
，
set P029=5and P030=4
。
2. Electronic gear is used for graduator drive
The graduator load has
R P
P
M
N
c
t


) ( ratio gear Electronic
Here,
P



360
P
c
Take the absolute encoder for example:
Known that the encoder bit C=17 bits, the reducer gear ratio 1/3, a pulse travel equivalent
Δ P=0.1°Calculate the electronic gear ratio.
Calculation step:
 Calculate the resolution of the encoder (P
t
)
) / ( 10000 1 10000 P028 P027 P
t
rev pulse
    
 Calculate the command pulse numbers for one turn of the load shaft (P
c
)
3600
1 . 0
360 360
P
c







P
 Calculate the electronic gear ratio