19
Speed feedforward is a function to shorten the positioning time, which is effective when the servo
unit performs position control
Note: When the feedforward command is too large, position overshoot will occur, please set
appropriately while observing the response
Pn122
Speed feedforward filter time
0~64
0.00
ms
0x0122
INST
Speed feedforward low-pass filter time constant, which can slow down the position overshoot and
torque runout caused by feedforward
Pn123
Use V-REF as the speed
feedforward selection
0x00~0x01
0
-
0x0123
RST
Speed feedforward is a function to shorten the positioning time, and the speed feedforward can be
given by external analog V-REF
0-none 1-use V-REF as speed feedforward input
Function
code
Parameters
Range
Default
Unit
Address
Effective
way
Pn124
Speed/Position control
selection (T-REF distribution)
0~1
0
-
0x0124
RST
Torque feedforward is a function to shorten the positioning time, and the torque feedforward can
be given by external analog T-REF
0-none 1-use T-REF as torque feedforward input
Pn130
Speed loop control method
(PI/IP)
0~1
0
-
0x0130
RST
0-PI control 1-I-P control
Pn131
The selection switch of speed
loop P/PI switch condition
0x00~0x04
0
-
0x0131
INST
0-Condition to internal torque command
1-Condition to speed command
2-Condition to acceleration
3- Subject to position deviation pulses
4- No mode switching function
Pn132
Speed loop P/PI switching
condition (torque command)
0~800
200
%
0x0132
INST
When the torque command exceeds the torque set by this parameter, the speed loop will switch to
P control, otherwise it will be PI control
Pn133
Speed loop P/PI switching
condition (speed command)
0~10000
0
rpm
0x0133
INST
When the speed command exceeds the speed set by this parameter, the speed loop will switch to P
control, otherwise it will be PI control
Pn134
Speed loop P/PI switching
condition (acceleration speed)
0~30000
0
rpm/s
0x0134
INST
Summary of Contents for SD700-110D series
Page 8: ...4 ...
Page 14: ...10 1 10 Position Control Wiring Diagram ...
Page 15: ...11 1 11 Speed Control Wiring Diagram ...