Vacon 20 SERIES User Manual

Parameter description vacon • 50
Service support: find your nearest Vacon service center at www.vacon.com
3
Note: it is suggested not to program manually the value, but to perform motor identification
procedure that automatically sets the value.
P9.8 S
WITCHING FREQUENCY
PWM frequency. Values above default can cause thermic overload of the drive.
P9.9 D
ROOPING MODE
0: constant.
Load drooping factor is constant through the whole frequency range.
1: speed dependent.
Load drooping is reduced linearly from nominal frequency to zero frequency.
P9.10 D
ROOP FILTER TIME
Time constant of the low pass filter applied to droop frequency variation.
P9.11 B
RAKE CHOPPER
0: Chopper disabled
1: Chopper enabled in Run state
2: Chopper enabled in Ready state
P9.12 B
RAKE CHOPPER LEVEL
DC link voltage above which chopper is activated.
P9.13 DC
BRAKING CURRENT
DC current injected at start or stop.
P9.14 S
TOP DC CURRENT TIME
Time for DC current injection at stop.
P9.15 S
TOP DC CURRENT FREQUENCY
DC current is injected below this frequency.
P9.16 S
TART DC BRAKE TIME
Time for DC current injection at start.
P9.17
OVERVOLTAGE REGULATOR
Overvoltage regulator automatically increases deceleration ramp time if the internal DC link
voltage is too high.
0: enabled
1: disabled

Vacon 20 SERIES Specifications

General

Output Voltage	0 to Input Voltage
Storage Temperature	-40°C to +70°C
Dimensions	Varies by model
Weight	Varies by model
Power Range	0.25 kW to 18.5 kW
Voltage Range	200 V to 480 V
Control Method	Sensorless vector control
Protection Class	IP20
Ambient Temperature	-10°C to +50°C
Communication Options	Modbus, CANopen
EMC Filter	Integrated
STO (Safe Torque Off)	Yes
Input Voltage	208-240 V, 380-480 V
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature
Operating Temperature	-10°C to +50°C
Humidity	5% to 95% non-condensing