hpmont HD3L Series - Page 34

Shenzhen Hpmont Technology Co., Ltd. Chapter 4 Electrical Installation
HD3L Series Controller User Manual ―23―
Source / Drain
Using external power supply, the source / drain connection are shown in Figure 4–9. (Remove the
connector between SEL and P24)
Figure 4–9 Source / Drain connection when using external power
Using internal 24V power supply of HD3L, it is NPN / PNP connection in which external controller is
common emitter output, as shown in Figure 4–10. (For PNP, remove the connector between SEL and
P24)
Figure 4–10 NPN (source) / PNP (drain) connection when using internal power supply
+24V
P24
SEL
DI1
COM
DI9
9
1
COM
+
-
External controller External controller
+24V
P24
SEL
DI1
DI9
9
1
DC
12 - 30V
+
-
DC
12 - 30V
Source
Using external
power supply
Drain
Using external
power supply
External controller
+24V
P24
SEL
DI1
COM
DI9
9
1
NPN
Using internal
power supply
External controller
+24V
P24
SEL
DI1
COM
DI9
9
1
PNP
Using internal
power supply
4