Goodrive3000 series medium voltage VFD
Goodrive3000 inverter
-132-
P20 group
––Encoders
Function
code
Name
Description
Setting range
Default
P20.00
Encoder type
selection
0: Incremental encoder
1: Reserved
2: Resolver-type encoder
3: Reserved
0
–3
0
The function code is used to select an encoder type.
Note: An expansion card is required.
Function
code
Name
Description
Setting range
Default
P20.01
Encoder pulse count 0
–60000
0
–60000
1024
The function code is used to set the encoder pulse number per rotation.
Function
code
Name
Description
Setting range
Default
P20.02
Encoder direction
0x00
–0x11
Ones place: AB direction
0: Forward
1: Reverse
Tens place: Z pulse direction
0: Forward
1: Reverse
0x00
–0x11
0x00
Note: Please set the encoder pulse number correctly under the closed loop vector control mode (P20.01);
otherwise, the motor will not run properly. If it still cannot run properly after parameter setting of the encoder,
change the encoder direction (P20.02).
Function
code
Name
Description
Setting range
Default
P20.03
Detection time of
encoder offline fault
0.0
–100.0s
0.0
–100.0
0.5s
P20.04
Detection time of
encoder reversal fault
0.0
–100.0s
0.0
–100.0
0.8s
P20.05
Filter times of
encoder detection
Ones place: Low-speed filter time
Tens place: High-speed filter time
00xx
–0x99
0x23
P20.03 defines encoder offline detection time. When the offline time exceeds the set time, the VFD will alarm encoder
offline fault (ENCIO).
P20.04 defines encoder reverse detection time. When the reverse detection time exceeds the set time, the VFD will alarm
encoder reverse fault (ENCID).
Note: Adjusting above parameters will influence the flexibility of encoder fault protection and sometimes
abnormal actions may occur, so adjust carefully.
Function
code
Name
Description
Setting range
Default
P20.06
Speed ratio between
motor and encoder
0.000
–65.535
0.000
–65.535
1.000
The function code is used to set the speed ratio between motor and encoder. Set the value according to the actual
conditions.
