hpmont HD20 Series User Manual

Chapter 4 Electrical Installation Shenzhen Hpmont Technology Co., Ltd
―24― HD20 Series Inverters User Manual
Multi-function input terminal wiring
Dry contact connections
1. If the internal 24V power supply is used, the connection is as shown in Figure 4-7. (The SEL
and the P24 are short-circuited at factory)
Figure 4-7 Dry contact connection when using internal 24V power
2. If the external power supply is used, the connection is as shown in Figure 4-8. (Note that the
SEL and the P24 are not short-circuited)
Figure 4-8 Dry contact connection when using external power
+ 3.3V
+
-
R
+ 24V
COM
P24
SEL
K
DI1...DI6
Current
Dry contact connection
using internal power
+ 3.3V
+
-
R
+ 24V
COM
P24
SEL
K
DI1...DI6
+
-
12－30V
DC
Current
Dry contact connection
using external power

hpmont HD20 Series Specifications

General

Brand	hpmont
Model	HD20 Series
Category	Inverter
Language	English