[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).
[Specifications]：8DI
[Communication interface]：RJ45, RS485
[Working voltage]：DC 8 ~ 28V
[Product weight]：135±5 g
[Product size]：121*72*34mm
| category | name | parameter |
| power supply | Operating Voltage | DC8～28V |
| Power indicator | blue LED indication | |
|
MODBUS DI input other |
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 | 8 way |
| input type | default stem node | |
| Acquisition frequency | 1 kHz | |
| input instructions | OLED screen display, red LED indication | |
| other | Product Size | 121mm * 72mm * 34mm (L*W*H) |
| product weight | 135±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 | 192.168.3.7 | |
| local port | 502 | |
| subnet mask | 255.255.255.0 | |
| gateway address | 192.168.3.1 | |
| DHCP | closure | |
| Native MAC | Determined by the chip (fixed) | |
| target IP | 192.168.3.3 | |
| target port | 502 | |
| DNS server | 114.114.114.114 | |
| 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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