
Shenzhen Hpmont Technology Co., Ltd.
Chapter 3 Electrical Installation
HD3N-TC Series Inverter User Manual V1.0
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9
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3.3
Control Board for Frame1 / Frame2
3.3.1
Control Terminal
Figure 3-1 Frame1 / Frame2 control terminal
Table 3-3 Frame1 / Frame2 control terminal description
Control terminal
Description
+10
External power
Max. output current 100mA
AI
Analogue input
Use switch to select voltage or current input
•
Voltage 0 - 10V, impedance 32kΩ (factory
setting)
•
Current 0 - 20mA, impedance 500Ω
Digital input (ADI)
When AI = digital input (ADI function), receive switching signal with
over 6V
AO
Analogue output
Voltage 0 - 10V
GND
Power supply ground
Analogue and digital ground, 0V
DI1 - DI4
Digital input
Valid when short-connect with GND
DO Digital
output
Open collector output
•
External voltage 10 - 30VDC, max. current 50mA
Or
High speed pulse output (F15.19 = No. 38)
•
Max. frequency 10kHz (set by F16.26)
R1A, R1B, R1C
Relay output
•
Contact rating : 250VAC/3A or 30VDC/1A
•
R1B, R1C normally closed (NC); R1A, R1C normally open (NO)
Note:
Limit the current within 3A if relay terminal is to connect to AC 220V voltage signal.
+10 AI AO GND
DI1 DI2 DI3 DI4 DO
R1A R1B R1C
V
I
1
ON
Switch
V
I
1
ON