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Chengdu Ebyte Electronic Technology Co., Ltd.
3.3 Port description
number
1
2
3
4
5
6
7
8
9
10
11
12
3.4 Size
Copyright ©2012–2023, Chengdu Ebyte Electronic Technology Co., Ltd.
3-3-1 Interface diagram
pin
definition
+
Power supply + (8～28V)
Grounding-(8～28V)
﹣
B/RX
RS485 corresponding to B
A/TX
RS485 corresponds to A
GND
Signal ground
COM
Input channel common
DI1
Switch input channel 1
DI2
Switch input channel 2
DI3
Switch input channel 3
DI4
Switch input channel 4
DO1
Switch output channel 1
DO2
Switch output channel 2
【4DI+2DO】MA01-AXCX4020 User Manual
note
Recommend RVV 2*0.75 wire
Recommend RVSP 3*0.5 wire
Recommend RVV 2*0.5 wire
The relay has normally open
and normally closed terminals
10
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