SAKO Variable Frequency Drive 3 Phase 4KW Universal RS485 Communication Heavy Duty Vector Frequency Converter AC380V Item Type: Variable Frequency Drive Material: ABS Input: 3PH AC380V±15% 10.5A 50-60Hz Output: 3PH AC0-380V 9.0A 0-400Hz Power Supply Capacity: 5.9KVA Applicable Motor: 4KW 5HP Item Type Terminal Symbol Terminal Name Function Power 10V-GND External +10V power supply Provide external +10V power supply, maximum output current: 150mA (with short circuit protection), generally used as external potentiometer working power, potentiometer resistance range: 1kΩ-5kΩ 24V-COM External +24V power supply Provide external +24V power supply, generally used as digital input and output terminals, power supply and external sensor power supply, maximum output current: 200mA Analog Terminal Al1-GND Analog input terminal 1 1. Input range: DC0-10V, 0-20mA, determined by parameter P437 AI2-GND Analog input terminal 2 1. Input range: DC0-10V,0-20mA, determined by parameter P4 37 No current output function J1 jumper cap on isolated main control board to AO2 position, non isolated main control board without this function Digital Input X1-COM Digital Input 1  HD1 (X5) can be used as a high-speed pulse input channel in addition to the features of X1-X4. Maximum input frequency: 50kHz 1.Input impedance: 1k0 (X5terminal) Digital Input 5 High speed pulse input terminal A+B- RS485 Communication A+ is the positive input of 485 communication differential signal, B- is the negative input of differential signal Digital Output Y1-COM open collector output When used as an open collector output terminal (J1 jumper cap to AO2 position on 90 isolated main control board) HDO-COM High speed pulse output Constrained by function code P5-00 HDO terminal output mode selection when output as high speed pulse up to 50kHz, when output as open collector, same as Y1 specification. K1A-K1B-K1C Relay 1 terminal Contact Description: A: Common point B：Normally closed point C：Normally open point Contact driving capacity: DC 30V, 1A K2A-K2B-K2C Relay 2 terminal