Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 
When inverter’s internal power supply for input 
signal is used 
When external power supply is used 
(Remove the short-circuit bar from the control 
circuit terminal block.) 
 
+V 
P24
 
Short-circuit 
PLC
 
bar   
24 VDC 
L 
 1 
 
 7 
 
COM 
 
Output unit etc.  Inverter 
 
+V  P24 
PLC 
24 VDC 
L 
1   
7 
COM
 
24 
VDC
 
Output unit etc.  Inverter 
When inverter’s internal power supply for input 
signal is used 
When external power supply is used 
(Remove the short-circuit bar from the control 
circuit terminal block.) 
When inverter’s internal power supply for input 
signal is used 
When external power supply is used 
(Remove the short-circuit bar from the control 
circuit terminal block.) 
 
Short-circuit 
P24  P24
 
bar 
Short- 
PLC 
circuit 
PLC 
24 VDC  bar 
L  L 
1  1 
 
7  7 
 
 
 
Inverter  Inverter 
 
P24  P24 
24 VDC 
24 VDC
 
PLC  PLC 
L 
24 VDC 
L 
24 VDC 
1  1 
 
7  7 
 
 
 
Inverter  Inverter 
Multi-function Input Terminals and Programmable Controller Con- 
nection 
2-3-5  Wiring for Control Circuit Terminals