MD021 Plastic Wire Drawing Machine User Manual 
 
Multifunctional digital input terminal 2 
Connect to the GND by jumper. 
DI2 input valid 
Multifunctional digital input terminal 1 
Connect to the GND by jumper. 
DI1 input valid 
Provide  power  supply  to  external  potentiometer  or 
sensor 
 
2)  Inverter output terminal (4-pin socket) 
Supporting voltage output of 0 V to 220 V 
Connecting to U, V, W terminals of the motor. 
 
3)  AC power source and protective ground (3-pin socket) 
Providing 220 V power supply 
Connecting to the gird 
Connecting to the protective ground