Chapter 3 Electrical Installation Shenzhen Hpmont Technology Co., Ltd.
―16― HD3N-TC Series Inverter User Manual V1.0
Using internal 24V power supply of inverter, it is NPN / PNP connection in which external controller is
common emitter output, as shown in Figure 3-10. (For PNP, remove the connector between SEL and
P24)
Figure 3-10 Frame3 / Frame4 Connection when using internal 24V power supply
AC signal
DI terminal can input AC signal, refer to Figure
3-11. (remove the connector between SEL and
P24)
Figure 3-11 Frame3 / Frame4 DI connection
when AC signal inputs
External controller
+24V
P24
SEL
DI1
COM
DI6
6
1
NPN
Using internal
power supply
External controller
+24V
P24
SEL
DI1
COM
DI6
6
1
PNP
Using internal
power supply
+ 24V
COM
P24
SEL
K6
K1
12-54V
AC
AC
DI1
DI6