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Chengdu Ebyte Electronic Technology Co.,Ltd
Chapter IV Explanations of Ministries
serial
Standard
numb
definitions
er
1
DI1
2
COM1
3
DI2
4
COM2
5
RESET
6
485_A
7
485_B
8
GND
input negative terminal
9
VCC
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function
Switching input
Switching acquisition 1 channel, optocoupler isolation
channel 1
Switching input
The common end of input channel 1 is internally connected to the module
channel 1
ground
Switching input
Switching acquisition 2 channels, optocoupler isolation
channel 2
Switching input
The common side of input channel 2 is internally connected to the module
channel 2
ground
In acquisition mode, you can press and hold the button 5s to reset the Modbus
Reset button
address to the default address 01
RS-485 interface A is connected to device A interface and is used only for
RS-485 interface A
configuration parameters
RS-485 interface B is connected to device B interface and is used only for
RS-485 interface B
configuration parameters
Crimp power supply
Power supply reference ground
Crimp power input
Power input, range: DC8~28V, recommended 12V, 24V
positive
E830-DTU(2R2-433L)-V8 User Manual
illustrate
9
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