Omron RX - Electronic Gear Function

4-125
4-3 Functions When PG Option Board (3G3AX-PG01) Is Used
4
Functions
•Mode 2: Forward pulse train + Reverse pulse train
Electronic Gear Function
This function allows you to set a gain relative to position command or position feedback and to
change the main/sub motor rotation ratio, particularly for synchronous operation.
Note: Below are the block diagrams of the electronic gear function.
SAP
SAN
SBP
SBN
(Forward pulse train input)
(Reverse pulse train input)
Detected
pulses
Time
Forward Reverse
Parameter No. Function name Data Default setting Unit
P019
Electronic gear setting
position selection
00: Position feedback side (FB)
01: Position command side (REF)
00 
P020
Electronic gear ratio
numerator *
3
1 to 9999 1. 
P021
Electronic gear ratio
denominator *
3
1 to 9999 1. 
P022
Position control
feedforward gain
*
1
0.00 to 655.3 0.00 
P023 Position loop gain *
2
0.00 to 99.99/100.0 0.50 rad/s
P019 = 00 (FB)
P019 = 01 (REF)
Position
command
N
D
1
1+sT
Position feedback
Electronic gear
Position control feedforward gain
First-order lag filter
P022
P023
Speed
command
Position loop gain
Position
command
N
D
Position feedback
Electronic gear
Position control feedforward gain
P022
P023
Speed
command
Position loop gain
1
1+sT
First-order lag filter