Feature: 1. INTIMATE DESIGN: Variable frequency drive adopts independent air duct design for better cooling performance, with dual row digital tube display, more convenient. 2. SUPPRESSION PROTECTION: The frequency inverter has overvoltage and overcurrent suppression protection, which can automatically adjust to prevent faults caused by excessive voltage and current. 3. HIGH RELIABILITY: The frequency converter adopts aluminum alloy, with high strength, resistant to impact and heat, flame retardant, safe and reliable. 4. BETTER STABILITY: The frequency converter adopts integrated IGBT module, which has strong load carrying capacity and better stability. 5. WIDE USE: The frequency converter can realize the functions of one key constant pressure water supply macro, engraving machine macro, and machine macro, which is convenient to operate, efficient, and stable. Specification: Item Type: Variable Frequency Drive Material: Aluminum Alloy Model: SKI90 045G 055P 4 Input Voltage: 3PH AC400V±15% 50-60Hz Output Voltage: 3PH AC0-400V 0-400Hz Output Current: 90A Adaptive Motor: 45KW Category Terminal Symbol Segment Name Function Description Power Supply 10V GND External +10V powersupply External supply of +10V power supply, maximum output current: 150mA (with short circuit protection), generally used as external potentiometer working power supply Potentiometer resistance range: 1-5kΩ 24V COM External +24V powersupply External supply of +24V power supply, generally used as a working power supply and external sensor power supply for digital input and output terminals Maximum output current: 200mA Analog Terminal Al1 GND Analog input terminal 1 1. Input range: DC0-10V 0-20mA, determined by parameter P437 2. Input impedance: 22kΩ for voltage input, 500Ω for current input AI2 GND Analog input terminal 2 1. Input range: DC0-10V 0-20mA, determined by parameter P4-37 2. Input impedance: 22kΩ for voltage input, 500Ω for current input AO1 GND Analog output terminal 1 Output voltage range: 0-10V Output current range: 0-20mA, 4-20mA (P5-23 selectable) AO2 GND Analog output terminal 2 Output voltage range: 0-10V No current output function The J1 jumper cap on the isolated main control board is at the AO2 position, while the non isolated main control board does not have this function Digital Input X1 COM Digital input 1 In addition to the characteristics of X1 to X4, HD1 (X5) 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: 5-30V X2 COM Digital input 2 X3 COM Digital input 3 X4 COM Digital input 4 HDI COM (X5 Terminal) Digital input 5 High speed pulse input terminal A+ B- RS485 communication A+ is the positive input of the 485 communication differential signal, and B- is the negative input of the differential signal Digital Output Y1 COM Open collector output When used as a collector open circuit output terminal (J1 jumper cap on the 90 isolated main control board to the AO2 position) HDO COM High speed pulse output Restricted by the function code P5-00 HDO terminal output mode selection, it is output as a high speed pulse with a maximum frequency of 50 kHz. When output as a collector open circuit, the specification is the same as Y1 K1A K1B K1C Relay 1 terminal Contact Description: A: Common point B: Normally closed point C: Normally open point Contact driving capacity: AC250V, 3A, C0S φ= 0.4 DC 30V, 1A . Package List: 1 x Variable Frequency Drive1 x User Manual Note: Pay attention to electricity safety.