ME31-XAXX0600 is a network I/O networking module with 6 analog (0-20mA/4-20mA) inputs, supports Modbus TCP protocol or Modbus RTU 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 the serial port/network port).
| Specification Key | Technical Data Details |
|---|---|
| Product Model | ME31-XAXX0600 |
| Analog Inputs (AI) | 6 Channels (Supports 0-20mA / 4-20mA current loops) |
| Communication Interfaces | RJ45 (Ethernet Port) and RS485 (Serial Port) |
| Industrial Protocols | Modbus TCP and Modbus RTU protocols |
| Gateway Functionality | Simple Modbus Gateway (Auto-forwards non-local Modbus addresses) |
| Working Voltage | DC 8V to 28V |
| Product Size | 121 x 72 x 34 mm |
| Product Weight | 130 to 140 g |
| 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 |
| AO output | AI channels | 6 way |
| Acquisition Features | single-ended input | |
| input type | 0～20mA, 4～20mA | |
| AI resolution | 3‰ | |
| Acquisition frequency | 10Hz | |
| input instructions | OLED screen display | |
| 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 |
Practical Application Scenarios
1. Industrial Automation and Sensor Data Aggregation
In automated manufacturing floors, engineers deploy the ME31-XAXX0600 to continuously aggregate telemetry from industrial sensors. The 6 analog input channels capture real-time 4-20mA current loop metrics from field instruments like pressure transmitters and flow meters. Using the RJ45 Ethernet connection, the device packages these telemetry frames directly into Modbus TCP format, transmitting them straight to centralized Programmable Logic Controllers (PLCs) or supervisory SCADA systems without losing accuracy over long cable runs.
2. Environmental Telemetry and Water Treatment Plants
Water infrastructure and treatment facilities rely heavily on remote level monitors and chemical sensors distributed across expansive premises. This module accepts standard 0-20mA or 4-20mA input configurations from disparate field nodes. Operating safely under an industrial-grade wide voltage profile of DC 8 to 28V, the networking device ensures stable data reporting through transient electrical disruptions, pushing water quality metrics seamlessly back to central control servers via stable localized network routers.
3. Modernization of Legacy Serial Fieldbus Infrastructure
Many legacy factories operate existing arrays of RS485 instrumentation that cannot interface with modern Ethernet networks. Plant system integrators position the module to serve as a decentralized hardware bridge. Leveraging its integrated Modbus gateway feature, the device identifies commands with non-local Modbus node designations and cross-routes them smoothly through the serial or network ports. This allows standard Ethernet control centers to communicate seamlessly with aging on-site serial machinery.
FAQ Section
1. What specific analog signal types can the ME31-XAXX0600 monitor out of the box?
The module is engineered to accept standard current-loop signals commonly used in industrial field installations. It features 6 dedicated analog input channels that natively process both 0-20mA and 4-20mA sensor feeds, delivering flexible data acquisition capabilities for a broad range of environmental transmitters and factory measurement systems.
2. How does the automated Modbus gateway function operate in field applications?
The device acts as a simple Modbus gateway by checking the target address of incoming polling frames. When the module intercepts command strings directed at non-local Modbus addresses, its internal protocol stack automatically forwards those requests out through the alternative communication port (either the RS485 serial connection or the RJ45 network connection) to ensure efficient inter-bus data routing.
3. What are the installation tolerances regarding power supply variations for this module?
Designed for harsh industrial electrical environments, the device operates safely across a flexible working voltage range of DC 8V to 28V. This broad spectrum shields the sensitive acquisition components against sudden common rail voltage drops or spikes, and its compact 121x72x34mm chassis makes it highly suitable for inclusion inside standard DIN rail electrical distribution enclosures.
