
Shenzhen Hpmont Technology Co., Ltd.
Chapter 4 Electrical Installation
HD3N-L Series User Manual V1.0
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Note:
Limit the current within 3A if the relay terminal is to connect to AC 220V voltage signal.
Control Terminal Connection
To reduce the interference and attenuation of control signal, length of control cable should limit within
50m.
There should be more than 0.3m between the control cable and the motor cable.
The control cable must be shielded cable.
Figure 4-3 Control terminal connection
DI1
DO2
DO1
COM
R1A
R1C
R1B
AO
GND
DI2
DI3
DI4
DI5
DI6
DI7
AI
+10
Analogue
input
GND
COM
PE
Control Board
R2A
R2C
Relay output
Analogue output
DI8
COM
HD3N-L
Controller
enabled
Controller is running
Controller is at
zero-speed running
Controller fault
UP
DN
Multi-speed 1
Multi-speed 2
Multi-speed 3
4