China Inverter Cabinet VFD Frequency Converter 0.75kw 3pH with Cheap Price, Find details about China AC Drive, Frequnce Converters from Inverter Cabinet VFD Frequency Converter 0.75kw 3pH with Cheap Price
Category | Terminal symbol | Terminal name | Function description |
Power supply | +10V-GND | External connection of +10V power supply | Provide power supply of +10V externally, with maximize output current: 10mA It is generally used as working power supply for external potentiometer and the resistance range of potentiometer is 1kΩ~5k Ω |
+24V-COM | External connection of +24V power supply | +24V power supply is provided outwards and generally used as the working power supply for digital input/output terminal and the power supply for external sensor Maximum output current: 200mA | |
OP | Input terminal of external power supply | The factory default is connection to+24V When an external signal is used to drive DI1~DI7, OP shall be connected to external power supply and disconnected from+24V power supply terminal | |
Analog input | AI1-GND | Analog Input Terminal 1 | 1. Input voltage range: DC 0V~10V 2. Input resistance: 22kΩ |
AI2-GND | Analog Input Terminal 2 | 1. Input range: DC 0V~10V/4mA~20mA, as determined by Jumper J8 on the control panel 2. Input resistance: 22kΩ for voltage input and 500Ω for current input. | |
Digital input | DI1- OP | Digital Input 1 | 1. Optical coupler isolation, with bipolar input 2. Input resistance: 2.4kΩ 3. Voltage range in input level: 9V~30V |
DI2- OP | Digital Input 2 | ||
DI3- OP | Digital Input 3 | ||
DI4- OP | Digital Input 4 | ||
DI6- OP | Digital Input 6 | ||
DI7- OP | Digital Input 7 | ||
DI5- OP | High-speed pulse input terminal | Apart from the characteristics of DI1~DI7, it may be used as high-speed pulse input channel. Maximum input frequency: 100kHz | |
Analog output | AO1-GND | Analog Output 1 | Jumper J5 on the control panel shall determine voltage or current output. Output voltage range: 0V~10V Output current range: 0mA~20mA |
Analog output | AO2-GND | Analog Output 1 Analog Output 2 | Jumper J3 on the control panel shall determine voltage or current output. Output voltage range: 0V~10V Output current range: 0mA~20mA |
Digital output | DO-COM | Digital Output 1 | Optical coupler isolation, bipolar open collector output Output voltage range: 0V~24V Output current range: 0mA~50mA |
Relay output | RO1A-RO1B | Closed terminal | Contact drive capacity: 25V ac,3A,COSØ=0.4 . 30Vdc ,1A |
RO1A-RO1C | Open terminal | ||
RO2A-RO2C | Open terminal | ||
Secondary interface | RO2A-RO2B | Closed terminal | Contact drive capacity: 25V ac,3A,COSØ=0.4 . 30Vdc ,1A |
Communication interface | 485+,485- | Modbus | Modbus communication interface, non-isolated output |
Item | Specification | |
Basic functions | Maximum frequency | Vector control:0~500Hz; V/F control:0~500Hz |
Carrier frequency | 0.8kHz~12kHz Automatic adjustment of carrier frequency based on load characteristics | |
Input frequency resolution | Digital setting:0.01Hz Analog setting:Maximum frequency×0.025% | |
control method | Open loop vector control(SVC) V/F control | |
Starting torque | G type machine:0.5Hz/150%(SVC) P type machine: 0.5Hz/100% | |
Speed range | 1:100 (SVC) | |
Constant-speed accuracy | ±0.5%(SVC) | |
Overload capacity | G type machine:60s for 150% of the rated current P type machine:60s for 120% of the rated current | |
Torque boost | Automatic torque boost; Manual torque boost0.1%~30.0% | |
V/F curve | Three ways: straight V/F curve; multi-point V/F curve; N-th power type V/F curve (1.2th power, 1.4th power, 1.6th power, 1.8th power, 2th power) | |
V/F Separation | 2 ways: full separation, semi-separation | |
Acceleration / deceleration curve | Straight-line or S-curve acceleration and deceleration Four groups of acceleration/deceleration time with the range of 0.0-6500.0s | |
DC braking Built-in brake unit | DC braking frequency:0.00Hz~ Maximum frequency Braking time:0.0s~36.0s Brake action current value:0.0%~100.0% | |
Jog control | Jog frequency range:0.00Hz~50.00Hz. Jog acceleration/deceleration time0.0s~6500.0s. | |
Operation | Command source | The operation panel is given, the control terminal is given, and the serial communication port is given. Can be switched in a variety of ways |
Frequency source | Multiple frequency sources: digital reference, analog voltage reference, analog current reference, serial port reference. It can be switched in a variety of ways. | |
Auxiliary frequency source | 10 auxiliary frequency sources. Flexible implementation of auxiliary frequency trimming and frequency synthesis | |
Input terminal | standard: 7 digital input terminals (customizable high-speed pulse input, support 100K) 2 analog input terminals, 1 only supports 0~10V voltage input, 1 supports 0~10V voltage input or 4~20mA current input | |
Output terminal | Standard: 1 digital output terminal 1 relay output terminal 2 analog output terminals, support 0~20mA current output or 0~10V voltage output Expansion ability: 1 relay output terminal | |
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. |