Shihlin electric SE3 Series User Manual

Application parameter group 10
PARAMETER DESCRIPTION 212
Setting
5.11.2 Zero-speed/zero-servo control
 Zero-speed/ zero-servo function selection
Parameter
Name
Default
Setting Range
Content
10-03
P.151
Zero-speed control
function selection
0
0
Off.
1
In close-loop vector control (00-21(P.300) /00-22(P. 370)=4)
mode do zero-speed; In V/F close-loop control (00-21(P.300)
/00-22(P. 370) =1) mode do DC voltage breaking.
2
In close-loop vector mode do zero-servo.
10-04
P.152
Voltage at zero-speed
control
4.0%
0～30.0%
7.5K and types below
2.0%
Types from 11K to 22K
Zero-speed control

Make sure to set 01-11(P.13) (start frequency) to zero when using this function.
Note: 1. If set 10-04(P. 152) to 6%, output voltage of zero speed is 6% of 01-04(P. 19) (base frequency voltage).
2. For V/F, V/F close-loop control, and close-loop vector control mode, please refer to the motor control mode
parameter 00-21(P.300) ,00-22(P. 370).
Zero servo
 Zero servo is closed loop position control, that can keep the motor stop at any position (origin) and lock the motor
at a certain position while external force is applied.
 When zero servo is on, once the motor speed falls below 10-00(P. 10) value, inverter starts zero servo mode and
holds the current position. When zero servo command is released and run command is given, the motor run again.
 Zero servo sequence diagram:
Run command
ON
Zero Servo
Operation
Zero servo
command
Motor speed
ON
OFF
OFF
P.10
DC Injection Braking
start frequency
Note: Avoid using zero servo to lock 100% load for long period of time, this can cause failure. If need to lock motor for
long periods, make sure the current is less than 50% of inverter rated current during zero servo, or use a larger
capacity inverter.
Setting

Shihlin electric SE3 Series Specifications

General

Brand	Shihlin electric
Model	SE3 Series
Category	Inverter
Language	English