Vicruns 2S-0.4G-B, User Manual

Page: 198 / 300

-197-
Chapter 6 Description of Function Codes
Function
code
Name
Description
(setting range)
Factory
Default
Change
P9-18
Overvoltage suppression mode
selection
0 ～ 2 1
★
0: invalid
1: Overvoltage suppression mode 1, which is mainly used to prevent the overvoltage fault
from being reported due to the rise of the bus voltage caused by the energy feedback when
the motor decelerates;
2: Overvoltage suppression mode 2, mainly used in situations where the load center of grav-
ity deviates from the physical center, resulting in overvoltage caused by the rise of the bus
voltage due to the energy feedback of the load itself during constant speed operation.
Function
code
Name
Description
(setting range)
Factory
Default
Change
P9-19
Overvoltage suppression mode 2
limit value
0
～
2 2
★
0: invalid
1: The constant speed and deceleration process are valid during running
2: Only the deceleration process is valid
Generally used in occasions where quick shutdown is required, magnetic flux braking consu -
mes the feedback energy brought by deceleration at the motor end, thereby effectively prev -
enting overvoltage faults. The strength of the suppression effect can be adjusted by adjusting
the magnetic flux braking gain P2-10 (VF).
When the braking resistor is used as overvoltage suppression, please set P9-19 to 0 (invalid),
otherwise an abnormality may occur during deceleration
.
Function
code
Name
Description
(setting range)
Factory
Default
Change
P9-20
Overvoltage suppression mode 2
limit value
1.0% ～ 150.0% 10.00%
★
The maximum allowable adjustment when overvoltage suppression mode 2 is in effect. The
smaller the value, the smaller the rise of the bus voltage, but the longer the deceleration time.
C
h
a
p
te
r
6