Chapter 2 Installation and Wiring
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Fig 2-19 Using Internal 24V Power Supply
2
）
If an external power supply is used, then use the Wiring shown in Figure 2-20
(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).
Fig 2-20 Use an external supply
●
Method 2 of connections
1
）
Ac drive’s in24 V power supply is used and the external controller uses NPN
transistors whose common emitters are connected, as shown in Figure 2-21.
+24V
X1
～
X8
PLC
5V
COM
24V
R
DC
+
_
K
+
_
COM
+24V
X1
～
X8
PLC
5V
24V
R
+
_
K
