Ebyte E851-RTU User Manual page 10

Chengdu Ebyte Electronic Technology Co.,Ltd
SN Ports
1 DC-IN transposon
2 DC-IN +
3 DC-IN -
4 RS485 B
5 RS485 A
6 RS485 G
7 DIG
8 DI 4
9 DIG
10 DI 3
11 DIG
12 DI 2
13 DIG
14 DI 1
15 AIG
16 AI 4
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Function
DC socket 5.5*2.1mm
Crimped power input positive
Crimped power input negative
RS485 interface B
RS485 interface A
Signal reference
Switching input
Switch input channel 4
Switching input
Switch Input Channel 3
Switching input
Switch Input Channel 2
Switching input
Switch Input Channel 1
Differential analogue input
Differential analog input channel 4
E851-RTU(4440-ETH) User Manual
Illustration
Power input，DC 8V~28V, 12V/24V is recommended,cannot
be powered with the crimp terminal at the same time
power input,DC 8V~28V，12V/24V is recommended,cannot
be powered with the DC socket at the same time
Power reference ground
RS485 interface B is connected with device B interface
RS485 interface A is connected with device A interface
can be unconnected
Can be used in pairs with DI 4
Form dry contact with DIG
Can be used in pairs with DI 3
Form dry contact with DIG
Can be used in pairs with DI 2
Form dry contact with DIG
Can be used in pairs with DI 1
Form dry contact with DIG
Can be used in pairs with AI 4
Differential analog input pin, forming input with AIG
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