| Item | Specification |
| Standard functions | Maximum frequency | Vector contro: 0~300Hz; V/F control: 0~3200Hz |
| Carrier frequency | 0.5kHz~16kHz
The carrier frequency is automatically adjusted based on the load features. |
Input frequency
resolution | Digital setting: 0.01Hz
Analog setting: maximum frequency x 0.025% |
| Control mode | • Sensorless flux vector control (SFVC)
• Closed-loop vector control (CLVC)
• Voltage/Frequency (V/F) control |
| Starting torque | • G type: 0.5 Hz/150% (SFVC); 0 Hz/180% (CLVC)
• P type: 0.5 Hz/100% |
Basic functions | Speed range | 1:100 (SFVC) | 1:1000 (CLVC) |
| Constant-speed accuracy | ± 0.5% (SFVC) | ± 0.02% (CLVC) |
Torque control
accuracy. | ± 5% (CLVC) |
| Overload capacity | • 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 |
| Torque boost | •Fixed boost
• Customized boost 0.1%-30.0% |
| V/F curve | • 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) |
| V/F separation | Two types: complete separation; half separation |
| Acceleration /deceleration curve | •Straight-line ramp
• S-curve ramp
Four groups of acceleration/deceleration time with the range of 0.0-6500.0s |
| DC braking. | DC braking frequency: 0.00Hz~maximum frequency
Braking time: 0.0s~36.0s
Braking action current value: 0.0%-100.0% |
| JOG control | JOG frequency range: 0.00-50.00 Hz
JOG acceleration/deceleration time: 0.0-6500.0s |
Simple PLC and
multi-speed operation | It implements up to 16 speeds via the simple PLC function or combination of DI terminal states. |
| Onboard PID | It realizes process-controlled closed loop control system easily. |
Automatic voltage
regulation (AVR) | It can keep constant output voltage automatically when the mains voltage changes. |
Overvoltage/
Overcurrent stall
contro | The current and voltage are limited automatically during the running process so as to avoid frequent tripping due to overvoltage/overcurrent. |
| Quick current limiting | Maximize overcurrent failure and protect the frequency converter in normal operation |
Torque limit and
control | It can limit the torque automatically and prevent frequent over current tripping during the running process.
Torque control can be implemented in the CLVC mode. |
| Individualized functions | High performance | Control of asynchronous motor and synchronous motor are implemented through the high-performance current vector control technology. |
Power dip ride
through | The load feedback energy compensates the voltage reduction so that the AC drive can continue to run for a short time. |
| Rapid current limit | It helps to avoid frequent overcurrent faults of the AC drive. |
| Timing control | Time range: 0.0-6500.0 minutes |
Multi-motor
switchover | Four motors can be switched over via four groups of motor parameters. |
| Bus support | Support field bus: Modbus |
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 | Support difference, open collector and rotary transformer |
| Operation | Command source | Operation panel, control terminal and serial communication port are given
Switch in various methods |
| Frequency source | Various frequency sources: digital reference, analog voltage reference, analog current reference, pulse reference and serial port reference. The switching can be conducted in various methods |
| Auxiliary frequency source | 10 kinds of auxiliary frequency source. The auxiliary frequency jog and frequency synthesis can be achieved flexibly |
| Input terminal | Standards:
7 digital input terminals, among which one support maximum high-speed pulse input of 100kHz
2 analog input terminals, among which one only supports voltage input of 0 ~10V and the other supports voltage input of 0 ~10V or current input of 4 ~20mA
Expansion capability:
3 digital input terminals
1 analog input terminal, which supports voltage input of -10V ~10V and supports PT100/PT1000 |
| Operation | Output terminal | Standards:
1 high-speed pulse output terminal (The open collector type is optional), supporting 0~100kHz square signal output
1 digital output terminal
1 relay output terminal
1 analog output terminal, supporting current outpout of 0~20mA or voltage output of 0~10V
Expansion capability:
1 digital output terminal
1 relay output terminal
1 analog output terminal, supporting current output of 0~20mA or voltage output of 0~10V |
| Display and keyboard operation | LED display | Display the parameter |
| Key lock and function selection | Realize partial or all key lock and define the action range of some keys to prevent misoperation |
| Protection function | Short circuit test of electrified motor, input/output default phase protection, overcurrent protection, overvoltage protection, undervoltage protection, overheat protection, overload protection, etc. |
| Options | IO expansion card, differential input PG card, OC input PG card and rotary transformer PG card. |
| Environment | Service site | Indoor, free from direct sunshine, no dust, corrosive gas, combustible gas, oil fog, water vapor, drip or salt, etc. |
| Altitude | Less than 1,000m |
| Ambient temperature | -10ºC~ +40ºC (Please use the equipment by derating at ambient temperature of 40ºC~50 ºC) |
| Humidity | Less than 95%RH, no water condensation |
| Vibration | Less than 5.9m/s2(0.6g) |
| Storage temperature | -20ºC~ +60ºC |
| IP grade | IP20 |
| Pollution level | PD2 |
| Power distribution system | TN , TT |
