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Chengdu Ebyte Electronic Technology Co., Ltd.
3.3 Port Description
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Copyright ©2012–2022, Chengdu Ebyte Electronic Technology Co., Ltd.
Label
V+
Positive pole of power input terminal，DC 8V~28V
V-
Negative pole of power input terminal，DC 8V~28V
RS485 interface B is connected to the external device
485-B
B interface
The RS485 interface A is connected to the external
485-A
device A interface
Reload
Factory reset button
Ethernet
RJ45 Ethernet interface
Relay 1 normally open pin, used with the common
NO1
terminal of relay 1
Common terminal of relay 1, used in conjunction with
COM1
the normally open pin of relay 1
Relay 2 normally open pin, used in conjunction with
NO2
the common terminal of relay 2
Common terminal of relay 2, used in conjunction with
COM2
the normally open pin of relay 2
DI1
Switch input channel 1
DI2
Switch input channel 2
DI3
Switch input channel 3
DI4
Switch input channel 4
DGND
Switch input ground
AI1
Analog input channel 1
AI2
Analog input channel 2
AGND
Analog input ground
E870-E1_User Manual_EN
Explanation
15
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