Vector control: 0~320 Hz
V/F control: 0~3200 Hz
0.5–16 kHz (The carrier frequency is automatically adjusted based on the load features.)
Input frequency resolution
Digital setting: 0.01 Hz
Analog setting: maximum frequency x 0.025%
Sensor-less vector control (SVC)
Closed-loop vector control (FVC)（+ PG card）
Voltage/Frequency (V/F) control
G type: 0.5 Hz/150% (SVC); 0 Hz/180% (FVC)
P type: 0.5 Hz/100%
Speed stability accuracy
± 0.5% (SVC)
± 0.02% (FVC)
Torque control accuracy
± 10% (SVC)
± 5% (FVC)
G type: 60s for 150% of the rated current, 3s for 180% of the rated current
P type: 60s for 120% of the rated current, 3s for 150% of the rated current
Manual boost 0.1%~30.0%
Straight-line V/F curve
Multi-point V/F curve
N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square)
Two types: complete separation; half separation
Four groups of acceleration/deceleration time with the range of 0.0s~65000s
DC braking frequency: 0.00 Hz ~ maximum frequency
Braking time: 0.0s~36.0s
Braking trigger current value: 0.0%~100.0%
JOG frequency range: 0.00Hz~50.00 Hz
JOG acceleration/deceleration time: 0.00s~6500.0s
Built-in simple PLC, multiple speeds
It realizes up to 16 speeds via the simple PLC function or combination of DI terminal states.
It realizes closed loop control system easily.
Auto voltage regulation (AVR)
It can keep constant output voltage automatically when the mains voltage fluctuation.
Overvoltage/ Over current stall control
The current and voltage are limited automatically during the running process so as to avoid frequently tripping due to overvoltage / over current.
Rapid current limit function
It can auto limit running current of frequency inverter to avoid frequently tripping.
Torque limit and control
(Excavator characteristics) It can limit the torque automatically and prevent frequently over current tripping during the running process.
Torque control can be implemented in the VC mode.
Control of asynchronous motor and synchronous motor are implemented through the high-performance current vector control technology.
Instant power off not stop
The load feedback energy compensates the voltage reduction so that the frequency inverter can continue to run for a short time.
Rapid current limit
To avoid frequently over current faults of the frequency inverter.
Five groups of virtual DI/DO can realize simple logic control.
Time range: 0.0~6500.0 minutes
Two motors can be switched by two groups of motor parameters.
Multiple communication protocols
It supports communication bus via Modbus-RTU, PROFIBUS-DP, CANlink and CANopen.
Motor overheat protection
The optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection.
Multiple encoder types
It supports various encoders such as differential encoder, open-collector encoder, resolver, UVW encoder, and SIN/ COS encoder.
Advanced background software
It supports the operation of frequency inverter parameters and virtual oscillograph function, by which the state of frequency inverter can be monitored.
Running command giving
key panel; Control terminals; Serial communication port; You can switch between these giving in various ways.
There are 10 kinds frequency giving: digital setting, analog voltage setting, analog current setting, pulse setting and serial communication port setting.
You can switch between these giving in various ways.
Auxiliary frequency giving
There are 10 kinds auxiliary frequency giving. It can implement tiny tuning of auxiliary frequency and frequency synthesis.
6 digital input (DI) terminals, one of which supports up to 100 kHz high-speed pulse input
3 analog input (AI) terminals, AI1,AI2 support 0V~10 V or 0mA~20mA input, AI3 support -10V~+10V
many DI terminals
1 high-speed pulse output terminal (open-collector) that supports 0–100 kHz square wave signal output (Can be used as DO output)
2 relay output terminal
2 analog output (AO) terminals, both of them supports 0mA~20mA current output and 0V~10V voltage output.
many DO terminals
many relay output terminals
Display and keypad operation
It displays the parameters.
Optional LCD keypad can copy parameters. (Option)
Key locking and function selection
It can lock the keys partially or completely and define the function range of some keys so as to prevent misoperation.
Motor short-circuit detection at power-on, input/output phase loss protection, over current protection, overvoltage protection, less voltage protection, overheat protection and overload protection,etc.
Indoor, no direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapour, drip or salt.
Lower than 1000 m
-10°C~ +40°C (de-rated if the ambient temperature is between 40°C and 50°C)
Less than 95%RH, without condensing
Less than 5.9 m/s2 (0.6 g)
-20°C ~ +60°C