Ebyte M31 Series User Manual page 26

Chengdu Ebyte Electronic Technology Co., Ltd.
M31-AXAX8080G:
Symbol name
DO1 DI1 switch input
DI2 DI2 switch input
DI3 DI3 switch input
DI4 DI4 switch input
COMA DI switch input
common terminal
DI5 DI5 switch input
DI6 DI6 switch input
DI7 DI7 switch input
DI8 DI8 switch input
COMB DI switch input
common terminal
DO1 DO1 switch output
DO2 DO2 switch output
DO3 DO3 switch output
DO4 DO4 switch output
DO5 DO5 switch output
DO6 DO6 switch output
DO7 DO7 switch output
DO8 DO8 switch output
COMC COM side of DO
Reload Factory
reset/auto-negotiation
A(RS485) RS485 A interface
B(RS485) RS485 B interface
G(RS485) RS485G interface
PE ground
V-(DC9-36V) Negative pole of power
supply
V+（DC9-36V） Positive pole of power
supply
LAN1 Network port
Copyright © 2012 , Chengdu Ebyte Electronic Technology Co., Ltd.
Function/Description
DI1 switch input interface, used in conjunction with COMA
DI2 switch input interface, used in conjunction with COMA
DI3 switch input interface, used in conjunction with COMA
DI4 switch input interface, used in conjunction with COMA
DI1-DI4 share the COMA common port
DI5 switch input interface, used in conjunction with COMB
DI6 switch input interface, used in conjunction with COMB
DI7 switch input interface, used in conjunction with COMB
DI8 switch input interface, used in conjunction with COMB
DI5-DI8 share the COMB public terminal
DO1 switching output interface, used in conjunction with COMC
DO2 switching output interface, used in conjunction with COMC
DO3 switching output interface, used in conjunction with COMC
DO4 switching output interface, used in conjunction with COMC
DO5 switching output interface, used in conjunction with COMC
DO6 switching output interface, used in conjunction with COMC
DO7 switching output interface, used in conjunction with COMC
DO8 switching output interface, used in conjunction with COMC
DO1-DO8 share COMC and use together
Press and hold for 5-10 seconds to restore factory settings;
double-click within 2 seconds to automatically negotiate the
expansion module
RS485 A interface
RS485 B interface
RS485G interface
ground
DC (9-36V) power supply negative interface
DC (9-36V) power supply positive interface
Standard RJ45 network cable interface
Distributed IO Host (M31 Series) User Manual
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