Ebyte ME31-AAAX2240 - Page 16

Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-AAAX2240_UserManul_EN
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5.08mm phoenix terminal
17
COM3
Common terminal of relay 3, used in conjunction with the normally open pin of
relay 3 ，5.08mm phoenix terminal
18
NO4
Relay 4 normally open pin, used with the common terminal of relay 4 ，
5.08mm phoenix terminal
19
COM4
Common terminal of relay 4, used in conjunction with the normally open pin of
relay 4 ，5.08mm phoenix terminal
20
Ethernet
Standard RJ45 interface
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AI2
Analog input channel 2, support 0 to 20mA current input ， 5.08mm phoenix
terminal
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AI1
Analog input channel 1, support 0 to 20mA current input ， 5.08mm phoenix
terminal
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DI2
Switch input channel 2, support dry contact access ，5.08mm phoenix terminal
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DI1
Switch input channel 1, support dry contact access ，5.08mm phoenix terminal
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GND
Ground
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485-A
A of the RS-485 serial port is connected to the A port of the external device ，
5.08mm phoenix terminal
27
485-B
B of the RS-485 serial port is connected to the B port of the external device ，
5.08mm phoenix terminal