Feature: 1. Overvoltage Suppression Protection: When the bus voltage reaches or exceeds the bus overvoltage suppression point during the operation of the inverter, the inverter will automatically adjust the operating frequency to suppress the bus voltage increase, thus ensuring that the inverter is not protected from overvoltage due to high bus voltage. 2. Overcurrent Suppression Protection: By monitoring the load current in real time during operation, this variable frequency drive is automatically limited not to exceed the set overcurrent suppression point to prevent fault tripping caused by excessive current, which is particularly suitable for some loads with large inertia or drastic changes. 3. Industrial Flame Retardant ABS Plastic: The variable frequency inverter is made of industrial flame retardant ABS plastic, which is nice impact resistant, heat resistant, flame retardant, safe and reliable. 4. Integrated IGBT Module: The variable frequency drive with integrated IGBT module for better load carrying capacity and stability. 5. Multiple Functions: The variable frequency drive is widely used for speed regulation of various three phase asynchronous motors to achieve motor speed regulation, energy saving and environmental protection, improve production processes, increase production efficiency and other functions. 6. Space Saving: The new, upgraded design of the frequency drive controller is more compact and space saving, increasing the number of inverters installed in the cabinet and reducing costs. 7. Stability: The motorspeed controller has a separate air duct design for superior stability, a double row digital display and high torsion at low frequencies. 8. One Key Macro Function: The frequency inverter can realize the function of constant pressure water supply macro, engraving machine macro and machine tool macro with one key, easy to operate, efficient and stable. Specification: Item Type: Variable Frequency Drive Material: Flame Retardant ABS Model: SKI90 1D5G 4 Input: 3PH AC380V±15% 5.0A 50-60Hz Output: 3PH AC0 380V 3.8A 0-400Hz Power Supply Capacity: 3.0KVA Applicable Motor: 1.5KW 2HP Category Terminal symbols Segment Name Functional description Power Supplies 10V GND External and 10V Power supply Provides and 10V external power supply, maximum output current: 150mA (with short circuit protection) Generally used as an external potentiometer working power supply. Potentiometer resistance range: 1kΩ-5kΩ 24V COM External and 24V power supply External and 24V power supply, generally used for digital input and output terminals Power supply and external sensor power supply Maximum output current: 200mA Analogue terminals Al1 GND Analogue input Input terminal 1 1. Input range: DC0V 10V/0mA to 20mA, determined by parameter P437 determines 2. Input impedance: Impedance 22kΩ at voltage input, impedance at current input 500Ω AI2 GND Analogue input Input terminal 2 1. Input range: DC0V 10V/0mA to 20mA, determined by parameter P4-37 determines 2. Input impedance: Impedance 22kQ for voltage input, impedance for current input 500Ω AO1 GND Analogue input Output terminal 1 Output voltage range: 0V to 10V Output current range: 0mA- to 20mA, 4 to 20mA (P5-23 selectable) AO2 GND Analogue input Output terminal 2 Output voltage range: 0V to 10V No current output function J1 jumper cap to AO2 position on isolated main control boards, non-isolated main control boards do not have this function. This function is not available for non-isolated main control boards. Digital inputs X1 COM Digital input 1 HD1 (X5), in addition to the features of X1 to X4, can also be used as a high speed pulse input channel. Maximum input frequency: 50kHz 1. Input impedance: 1k0 2. Voltage range at level input: 5V to 30V X2 COM Digital input 2 X3 COM Digital input 3 X4 COM Digital input 4 HDI COM Digital input 5 (X5 terminal) High speed pulse input terminals A+B- RS485 newsletter A+ is the positive input for the differential signal of 485 communication, B- is the negative input for the differential signal Digital Outputs Y1 COM Open collector output When used as open collector output terminal (J1 jumper cap to AO2 position on 90 isolated main control board) HDO COM High speed pulse output Subject to function code P5-00 "HDO terminal output mode selection" when used as high speed pulse output up to 50 kHz; when used as open collector output, same specifications as Y1. K1A K1B K1C Relay 1 terminal Contact description: A: Common point B: Normally closed point C: Normally open point Contact driving capacity: AC 250V, 3A, C0Sφ=0.4. DC 30V, 1A K2A K2B K2C Relay 2 terminal . Package List: 1 x Variable Frequency Drive1 x Instruction Booklet Note: Pay attention to electrical safety