hpmont HD20 Series - Page 42

Shenzhen Hpmont Technology Co., Ltd Chapter 4 Electrical Installation
HD20 Series Inverters User Manual ―27―
Multi-function output terminal wiring
1
．
The multi-function output terminal DO1 can use the inverter’s internal 24V power supply or the
external power supply. The connections are as shown in Figure 4-13.
Figure 4-13 DO1 terminal connection
2
．
The frequency signal output terminal DO2 can use the inverter’s internal 24V power supply or
the external power supply. The connections are as shown in Figure 4-14.
Figure 4-14 DO2 terminal connection
DO1
+ 24V
P24
DO1
+ 24V
P24
Using internal power
CME
CME
12－30V
DC
COM
COM
+
-
Relay
coil
Relay
coil
Using external power
DO2
COM
+ 24V
R
P24
DO2
COM
+ 24V
R
P24
R:10KΩ resistor
f
f：digital frequency counter
f
12－30V
DC
+
-
Using internal power
Using external power
4