Chapter 2 Installation and Wiring
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29
Fig 2-21 Method 2 of connections (a)
2） Ac drive’s internal +24 V power supply is used and the external controller uses NPN
transistors whose common emitters are connected, as shown in Figure 2-22
(Attention: be sure to disconnect the cable JP1 between PLC and 24 V for models of
S2R4GB～3004GB, and disconnect the wiring cable between PLC and 24 V for
models of 35R5GB/37R5PB～3500G, short circuit terminal PLC and COM).
Fig 2-22 Method 2 of connections (b)
COM
PE
1
PLC
X1
24V
COM
24V DC
5V
8
X8
5V
External
Shield wire near grounding
COM
PE
1
PLC
X1
24V
COM
24V DC
+
5V
8
X8
5V
External
Shield wire near grounding
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