Chapter 2 Installation and Wiring
28
Fig. 2-23 Drain connection method by using inverter's internal +24 V power supply (in
3R75GB/31R5PB~3004GB/35R5PB only X1~X5)
3)Use external power supply by source connection method (Attention: be sure to
disconnect the cable JP1 between PLC and 24V for models of 3R75GB~3004GB; and
disconnect the wiring cable between PLC and 24V for models of
35R5GB/37R5PB~3500G):
Fig. 2-24 Source connection method by using external power supply (in
3R75GB/31R5PB~3004GB/35R5PB only X1~X5)
20~30V
PE
1
PLC
X1
24V
COM
24V DC
5V
8
X8
5V
External controller
COM
PE
1
PLC
X1
24V
COM
24V DC
+
5V
8
X8
5V
External
Shield wire near grounding
Shield wire near grounding