TI120 Series Variable Frequency Drive
System Installation and Wiring
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PNP wiring mode of open collector
For the PNP wiring node of open collector using internal power supply is used, the selection and
connection of the dial switch S700 are as shown in Figure 2-11.
+3.3V
X7/HDI
X1
PLC
COM
7
1
ON
ON
+3.3V
+24V
External
controller
Shielded cable
Proximal grounding
Inverter
Figure 2-11 PNP Wiring Mode of Open Collector Using Internal Power
For the PNP wiring node of open collector using internal power supply is used, the selection and
connection of the dial switch S700 are as shown in Figure 2-12.
+3.3V
X7/HDI
X1
PLC
COM
7
1
O
N
O
N
+3.3V
20-28V
+24V
External
controller
Shielded cable
Proximal grounding
Inverter
Figure 2-12 PNP Wiring Mode of Open Collector Using External Power