Shenzhen Hpmont Technology Co., Ltd Chapter 4 Electrical Installation
HD30 Series Inverters User Manual ―27―
4.4.2 Wire Jumper Description
Table 4-4 HD30 wire jumper function and setting description
Jumper
switch
Function and setting description Factory setting
CN6
AI2 analogue input channel can select voltage or current signal.
When pin 1 and pin 2 of the CN6 are short-circuited, AI2 channel
inputs voltage signal;
When pin 2 and pin 3 of the CN6 are short-circuited, AI2 channel
inputs current signal.
CN7
AO1 analogue output channel can select voltage or current signal.
When pin 1 and pin 2 of the CN7 are short-circuited, AO1 channel
outputs voltage signal;
When pin 2 and pin 3 of the CN7 are short-circuited, AO1 channel
outputs current signal.
CN8
AO2 analogue output channel can select voltage or current signal.
When pin 1 and pin 2 of the CN8 are short-circuited, AO2 channel
outputs voltage signal;
When pin 2 and pin 3 of the CN8 are short-circuited, AO2 channel
outputs current signal.
CN9
SCI communication can select proper resistance.
When pin 2 and pin 3 of the CN9 are short-circuited, no resistance;
When pin 1 and pin 2 of the CN9 are short-circuited, select the proper
resistance.
4.4.3 SCI Communication Terminal Description
Figure 4-11 SCI communication terminal
RJ45 terminal
1 8
1Pin 3
2 4 85 6 7
Signal
+5V +5V485+ GND
Reserved
GND GND 485-
4
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