Chengdu Ebyte Electronic Technology Co., Ltd.
Distributed IO Host (M31 Series) User Manual
Copyright © 2012 , Chengdu Ebyte Electronic Technology Co., Ltd.
23
M31-AXAX8080G:
Symbol
name
Function/Description
DO1
DI1 switch input
DI1 switch input interface, used in conjunction with COMA
DI2
DI2 switch input
DI2 switch input interface, used in conjunction with COMA
DI3
DI3 switch input
DI3 switch input interface, used in conjunction with COMA
DI4
DI4 switch input
DI4 switch input interface, used in conjunction with COMA
COMA
DI switch input
common terminal
DI1-DI4 share the COMA common port
DI5
DI5 switch input
DI5 switch input interface, used in conjunction with COMB
DI6
DI6 switch input
DI6 switch input interface, used in conjunction with COMB
DI7
DI7 switch input
DI7 switch input interface, used in conjunction with COMB
DI8
DI8 switch input
DI8 switch input interface, used in conjunction with COMB
COMB
DI switch input
common terminal
DI5-DI8 share the COMB public terminal
DO1
DO1 switch output
DO1 switching output interface, used in conjunction with COMC
DO2
DO2 switch output
DO2 switching output interface, used in conjunction with COMC
DO3
DO3 switch output
DO3 switching output interface, used in conjunction with COMC
DO4
DO4 switch output
DO4 switching output interface, used in conjunction with COMC
DO5
DO5 switch output
DO5 switching output interface, used in conjunction with COMC
DO6
DO6 switch output
DO6 switching output interface, used in conjunction with COMC
DO7
DO7 switch output
DO7 switching output interface, used in conjunction with COMC
DO8
DO8 switch output
DO8 switching output interface, used in conjunction with COMC
COMC
COM side of DO
DO1-DO8 share COMC and use together
Reload
Factory
reset/auto-negotiation
Press and hold for 5-10 seconds to restore factory settings;
double-click within 2 seconds to automatically negotiate the
expansion module
A(RS485)
RS485 A interface
RS485 A interface
B(RS485)
RS485 B interface
RS485 B interface
G(RS485)
RS485G interface
RS485G interface
PE
ground
ground
V-(DC9-36V)
Negative pole of power
supply
DC (9-36V) power supply negative interface
V+
（
DC9-36V
）
Positive pole of power
supply
DC (9-36V) power supply positive interface
LAN1
Network port
Standard RJ45 network cable interface
