Ebyte E820-AIO, Руководство пользователя

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6
1 DC-IN
Pressing line power input
positive
Power input, range: DC10-28V. 12V, and 24V are
recommended.
2 GND
Pressing line power input
negative
Power supply GND.
3 AGND
Communication common
ground
When communicating with RS485, the DTU won’t be
used, while when communicating with RS232, it will be
grounded.
4 RS485_A Interface A of RS-485 Interface A of RS-485 connected to Device A.
5 RS485_B Interface B of RS-485 Interface B of RS-485 connected to Device B.
6 AI1+
Analog signal input channel 1
positive
Input pin of analog signal forms the input with the
GND1 pin.
7 AI1-
Analog signal input channel 1
negative
To be used in pairs with VI1+.
8 AI2+
Analog signal input channel 2
positive
Input pin of analog signal, forms the input with the
GND2 pin.
9 AI2-
Analog signal input channel 2
negative
To be used in pairs with VI2+.
10 AI3+
Analog signal input channel 3
positive
Input pin of analog signal, forms the input with the
GND3 pin.
11 AI3-
Analog signal input channel 3
negative
To be used in pairs with VI3+.
12 AI4+
Analog signal input channel 4
positive
Input pin of analog signal forms the input with the
GND4 pin.
13 AI4-
Analog signal input channel 4
negative
To be used in pairs with VI4+.
14 GND
Power supply output
negative
The negative internal of power supply connected to
pin 2 GND.
15 Vout Power supply output positive
Power supply output, the voltage is decided by the pin
1(internal connecting to pin 1).
16 reset reset
Long press to reset the equipment parameters to
factory settings. Reset success L1 and L2 indicator
lights flash once
17
Earthing
pole
Earthing pole