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Standard functions
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Maximum frequency
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Vector contro: 0~300Hz; V/F control: 0~3200Hz
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Carrier frequency
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0.5kHz~16kHz
The carrier frequency is automatically adjusted based on the load features.
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Input frequency
resolution
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Digital setting: 0.01Hz
Analog setting: maximum frequency x 0.025%
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Control mode
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• Sensorless flux vector control (SFVC)
• Closed-loop vector control (CLVC)
• Voltage/Frequency (V/F) control
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Starting torque
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• G type: 0.5 Hz/150% (SFVC); 0 Hz/180% (CLVC)
• P type: 0.5 Hz/100%
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Basic functions
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Speed range
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1:100 (SFVC)
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1:1000 (CLVC)
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Constant-speed accuracy
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± 0.5% (SFVC)
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± 0.02% (CLVC)
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Torque control
accuracy.
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± 5% (CLVC)
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Overload capacity
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• 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
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Torque boost
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•Fixed boost
• Customized boost 0.1%–30.0%
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V/F curve
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• 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)
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V/F separation
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Two types: complete separation; half separation
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Acceleration /deceleration curve
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•Straight-line ramp
• S-curve ramp
Four groups of acceleration/deceleration time with the range of 0.0–6500.0s
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DC braking.
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DC braking frequency: 0.00Hz~maximum frequency
Braking time: 0.0s~36.0s
Braking action current value: 0.0%–100.0%
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JOG control
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JOG frequency range: 0.00–50.00 Hz
JOG acceleration/deceleration time: 0.0–6500.0s
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Simple PLC and
multi-speed operation
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It implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
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Onboard PID
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It realizes process-controlled closed loop control system easily.
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Automatic voltage
regulation (AVR)
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It can keep constant output voltage automatically when the mains voltage changes.
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Overvoltage/
Overcurrent stall
contro
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The current and voltage are limited automatically during the running process so as to avoid frequent tripping due to overvoltage/overcurrent.
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Quick current limiting
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Maximize overcurrent failure and protect the frequency converter in normal operation
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Torque limit and
control
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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.
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Individualized functions
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High performance
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Control of asynchronous motor and synchronous motor are implemented through the high-performance current vector control technology.
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Power dip ride
through
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The load feedback energy compensates the voltage reduction so that the AC drive can continue to run for a short time.
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Rapid current limit
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It helps to avoid frequent overcurrent faults of the AC drive.
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Timing control
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Time range: 0.0–6500.0 minutes
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Multi-motor
switchover
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Four motors can be switched over via four groups of motor parameters.
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Bus support
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Support field bus: Modbus
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Motor overheat
protection
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The optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection.
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Multiple encoder
types
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Support difference, open collector and rotary transformer
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Operation
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Command source
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Operation panel, control terminal and serial communication port are given
Switch in various methods
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Frequency source
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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
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Auxiliary frequency source
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10 kinds of auxiliary frequency source. The auxiliary frequency jog and frequency synthesis can be achieved flexibly
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Input terminal
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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
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Operation
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Output terminal
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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
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Display and keyboard operation
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LED display
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Display the parameter
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Key lock and function selection
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Realize partial or all key lock and define the action range of some keys to prevent misoperation
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Protection function
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Short circuit test of electrified motor, input/output default phase protection, overcurrent protection, overvoltage protection, undervoltage protection, overheat protection, overload protection, etc.
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Options
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IO expansion card, differential input PG card, OC input PG card and rotary transformer PG card.
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Environment
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Service site
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Indoor, free from direct sunshine, no dust, corrosive gas, combustible gas, oil fog, water vapor, drip or salt, etc.
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Altitude
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Less than 1,000m
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Ambient temperature
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-10℃~ +40℃ (Please use the equipment by derating at ambient temperature of 40℃~50 ℃)
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Humidity
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Less than 95%RH, no water condensation
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Vibration
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Less than 5.9m/s2(0.6g)
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Storage temperature
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-20℃~ +60℃
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IP grade
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IP20
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Pollution level
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PD2
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Power distribution system
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TN , TT
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