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Ebyte ME31-AAAX4220 OEM/ODM 4 way Modbus gateway support network module ethernet io module


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[Introduction]:ME31-AAAX4220 is a network I/O networking module with 2-way A-type relay output, 2-way analog (0-20mA/4-20mA) input, 4-way dry contact input detection, supports ModbusTCP protocol or ModbusRTU protocol for acquisition and control,... Read more

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[Introduction]:ME31-AAAX4220 is a network I/O networking module with 2-way A-type relay output, 2-way analog (0-20mA/4-20mA) input, 4-way dry contact input detection, supports ModbusTCP protocol or ModbusRTU protocol for acquisition and control, and the device can also be used as a simple Modbus gateway (automatically send commands with non-local Modbus addresses through serial ports/network ports).

[Operating voltage]:DC8~28V

[Communication interface]:RJ45, RS485

[Serial port baud rate]]:9600bps (customizable)

Category  Name  Parameters
power supply Operating Voltage DC8~28V
Power indicator blue LED indication
serial port Communication Interface RJ45, RS485
baud rate 9600bps (customizable)
Protocol Standard Modbus TCP, Modbus RTU protocols
MODBUS device address Can be modified by Modbus command and host computer
DI input Number of DI channels 6 way
input type default stem node
Acquisition frequency 1 kHz
input instructions OLED screen display, red LED indication
AI input AI channels 2 way
Acquisition Features single-ended input
input type 0-20mA, 4-20mA
AI resolution 3‰
Acquisition frequency 10Hz
input instructions OLED screen display
DO output Number of DO channels 2 way
DO output type Form A relay
DO output mode Level output, pulse output
Relay contact capacity 30V/5A, 250V/5A
output indication OLED screen display, red LED indication
other Product Size 121mm * 72mm * 34mm (L*W*H)
product weight 145±5g
Working temperature and humidity -40 ~ +85℃, 5% ~ 95%RH (no condensation)
storage temperature and humidity -40 ~ +105℃, 5% ~ 95%RH (no condensation)
installation method rail installation

Category  Name  Parameters
Ethernet parameters Operating mode TCP server (up to 4-way client access)
Local IP
local port 502
subnet mask
gateway address
DHCP closure
Native MAC Determined by the chip (fixed)
target IP
target port 502
DNS server
active upload closure
Serial parameters baud rate 9600bps (8 types)
Check method None (default), Odd, Even
data bit 8
stop bit 1
MODBUS parameters Modbus master-slave Slave
address 1


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