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Home >Modem>Distributed IO>Ethernet/RS485 IO
8DI
8DO
M31
8DI
8DO
M31

M31-AXAX8080G,8DI,8DO,M31 Distributed IO host Support Modbus TCP protocol and Modbus RTU protocol

[Communication interface]：RJ45, RS485

[Working voltage]： DC 9～36V

[Product weight]：180±5g

[Introduction]：M31 series distributed IO host supports Modbus TCP protocol and Modbus RTU protocol for acquisition control.The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. The device supports simultaneous access by 5 clients and supports function codes 01/02/03/04/05/06/15/16. There is no need to purchase the whole machine. This saves costs and facilitates customers to access the current on-site environment; the modules are self-contained.

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PIN
SymbolnameFunction/Description
DI1Dll switch inputDll switch input interface, used in conjunction with COMA
DI2DI2 switch inputDI2 switch input interface, used in conjunction with COMA
DI3DI3 switch inputDI3 switch input interface, used in conjunction with COMA
DI4DI4 switch inputDI4 switch input interface, used in conjunction with COMA
COMADI switch input common terminalDI1-DI4 share the COMA common port
DI5DIS switch inputDI5 s-witch input interface, used in conjunction with COMB
DI6DI6 switch inputDI6 switch input interface, used in conjunction with COMB
DI7DI7 switch inputDI7 switch input interface, used in conjunction with COMB
DI8DI8 switch inputDIS switch input interface, used in conjunction with COMB
COMBDI switch input common terminalDI5-DI8 share the COMB public terminal
DOIDOI switch outputDOI switching output interface, used in conjunction with COMC
DO2DO2 switch outputDO2 switching output interface, used in conjunction with COMC
DO3DO3 switch outputDO3 switching output interface, used in conjunction with COMC
DO4DO4 switch outputDO4 switching output interface, used in conjunction with COMC
DOSDOS switch outputDO5 switching output interface, used in conjunction with COMC
DO6DO6 switch outputDO6 switching output interface, used in conjunction with COMC
DO7DO 7 switch outputDO7 switching output interface, used in conjunction with COMC
DO8DO8 switch outputDO8 switching output interface, used in conjunction with COMC
COMCCOM side ofDODOI-DOS share COMC and use together
ReloadFactory reset auto-negotiationPress and hold for 5-10 seconds to restore factory settings: J       p • double-click within 2 seconds to automaticaJlv negotiate the J   ・ expansion module
A(RS485)RS485 A interfaceRS485 A interface
B(RS485)RS485 B interfaceRS485 B interface
G(RS485)RS485G interfaceRS485G interface
PEgroundground
V-(DC9-36V)Negative pole of power supplyDC (9-36V) power supply negative interface
V+ (DC9-36V)Positive pole of power supplyDC (9-36V) power supply positive interface
LAN1Network portStandard RJ45 network cable interface