ME31-AXXX8000 Industrial grade 4~20mA to Ethernet ModBus protocol TCP/IP to RTU network RS485 acquisition control
[Specifications]：8DI
[Communication interface]：RJ45, RS485
[Working voltage]：DC 8 ~ 28V
[Product weight]：135±5 g
[Product size]：121*72*34mm
[Introduction]：ME31-AXXX8000 is a network I/O networking module with 8-way dry contact input detection, supports Modbus TCP protocol or Modbus RTU protocol for acquisition control, and the device can also be used as a simple Modbus gateway (automatically send commands with non-local Modbus addresses through the serial port/network port).
| No. | Label | Description |
| 1 | TX(LED) | Serial port send data indicator light |
| 2 | RX(LED) | Serial port receiving data indicator light |
| 3 | LINK (LED) | network connection light |
| 4 | NET (LED) | Network data sending and receiving indicator light |
| 5 | PWR (LED) | Power input indicator |
| 6 | DI1（LED） | Digital channel 1 input indicator |
| 7 | DI2（LED） | Digital channel 2 input indicator |
| 8 | DI3（LED） | Digital channel 3 input indicator |
| 9 | DI4（LED） | Digital channel 4 input indicator |
| 10 | DI5（LED） | Digital channel 5 input indicator |
| 11 | DI6（LED） | Digital channel 6 input indicator |
| 12 | DI7（LED） | Digital channel 7 input indicator light |
| 13 | DI8（LED） | Digital channel 8 input indicator |
| 14 | GND | Negative pole of power input terminal, DC 8V~28V, 5.08mm Phoenix terminal. |
| 15 | VCC | Positive pole of power input terminal, DC 8V~28V, 5.08mm Phoenix terminal. |
| 16 | DI5 | Digital input channel 5, supports dry contact access, 5.08mm Phoenix terminal. |
| 17 | GND | Channel 5 digital input ground, 5.08mm Phoenix terminal. |
| 18 | DI6 | Digital input channel 6, supports dry contact access, 5.08mm Phoenix terminal. |
| 19 | GND | Channel 6 digital input ground, 5.08mm Phoenix terminal. |
| 20 | DI7 | Digital input channel 7, supports dry contact access, 5.08mm Phoenix terminal. |
| 21 | GND | Channel 7 digital input ground, 5.08mm Phoenix terminal. |
| 22 | DI8 | Digital input channels 8, support dry contact access, 5.08mm Phoenix terminal. |
| 23 | GND | Channel 8 digital input ground, 5.08mm Phoenix terminal. |
| 24 | Ethernet | Ethernet interface, standard RJ45 interface. |
| 25 | DI4 | Digital input channel 4, supports dry contact access, 5.08mm Phoenix terminal. |
| 26 | DI3 | Digital input channel 3, supports dry contact access, 5.08mm Phoenix terminal. |
| 27 | DI2 | Digital input channel 2, supports dry contact access, 5.08mm Phoenix terminal. |
| 28 | DI1 | Digital input channel 1, supports dry contact access, 5.08mm Phoenix terminal. |
| 29 | GND | Channel 1-4 digital input ground, 5.08mm Phoenix terminal. |
| 30 | 485-A | The A of the serial port is connected to the A interface of the external device, and the 5.08mm Phoenix terminal. |
| 31 | 485-B | The B of the serial port is connected to the B interface of the external device, and the 5.08mm Phoenix terminal. |