Variable Frequency Drive 45KW 90A 3PH AC400V Input 3PH AC0‑400V Output Aluminum Alloy Frequency Inverter with RS485 Item Type: Variable Frequency Drive Material: Aluminum Alloy Model: SKI90 045G 055P 4 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 Output current range: 0-20mA, 4-20mA (P5-23 selectable) 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 A: Common point B: Normally closed point C: Normally open point Contact driving capacity: AC250V, 3A, C0S φ= 0.4 DC 30V, 1A