[Communication interface]：RJ45, RS485
[Working voltage]：DC 8~28V
[Installation method]：Guide rail/screw
Download Datasheet
| Category | Name | Parameters |
| Ethernet parameters | Working mode | TCP server (up to 4 client accesses) |
| Local IP | 192.168.3.7 | |
| Local port | 502 | |
| Subnet mask | 255.255.255.0 | |
| Gateway address | 192.168.3.1 | |
| DHCP | Off | |
| Local MAC | Determined by the chip (fixed) | |
| Target IP | 192.168.3.3 | |
| Target port | 502 | |
| DNS server | 114.114.114.114 | |
| Active upload | Off | |
| Serial port parameters | Baud rate | 9600bps (8 types) |
| Check method | None | |
| Data bit | 8 | |
| Stop bit | 1 | |
| MODBUS Parameters | Modbus master-slave | Slave |
| Address | 1 |
| Category | Name | Parameters |
| power supply | Working voltage | DC8～28V |
| Power indicator | Blue LED indication | |
| Communication | Communication interface | RJ45, RS485 |
| Baud rate | 1200~115200bps (default 9600) | |
| Communication protocol | Standard Modbus TCP, Modbus RTU protocol | |
| MODBUS | Device address | Can be modified through Modbus command, host computer, device button |
| Temperature collection | Number of channels | 6-way |
| Sensor type | 2-wire K-type thermocouple temperature sensor | |
| Temperature resolution | 0.1℃ | |
| Accuracy | Normal temperature (25±5℃) condition: ±0.1%±1℃ | |
| Full temperature (-40~85℃) condition: ±0.5%±1℃ | ||
| Collection frequency | 1Hz | |
| Collection display | OLED screen display | |
| other | Product size | 121mm * 72mm * 34mm (length * width * height) |
| Product weight | 140 ±5 g | |
| Working temperature and humidity | -40 ～ +85℃, 5% ～ 95%RH (no condensation) | |
| Installation method | Guide rail installation, screw installation |
Practical Application Scenarios
1. Multi-Point Thermal Process Monitoring
In chemical reaction vessels or industrial ovens, maintaining precise temperature gradients is essential. The ME31-XEXX0600 allows engineers to monitor six distinct thermal zones simultaneously. By utilizing its Modbus TCP/RTU capability, the collected data can be seamlessly integrated into PLC-based control loops to manage heating elements and maintain strict thermal process consistency.
2. Large-Scale Facility HVAC Diagnostics
For commercial building management, this module simplifies the aggregation of temperature data from high-temperature boilers or piping systems. The integrated display allows maintenance staff to perform on-site health checks without needing a laptop, while the network interface ensures all data is relayed to the central building management system for energy efficiency analysis.
3. Scalable IoT Sensor Network Expansion
When existing Modbus networks reach capacity, the ME31-XEXX0600 acts as a bridge and gateway. It allows users to connect additional Modbus slave devices to the serial interface and map them to a TCP network, effectively expanding the address space of the facility's monitoring network and providing a cost-effective way to integrate distributed sensors into a unified IoT architecture.
FAQ Section
1. How does the Modbus gateway function optimize system integration?
The gateway function allows for the automatic translation of Modbus RTU serial traffic to Modbus TCP network traffic. This means that a controller on your Ethernet network can read data from serial sensors connected to this module as if they were native TCP devices, drastically simplifying software development and data routing logic.
2. What are the advantages of having a physical display on the module?
The built-in screen provides immediate, real-time visualization of all 6 channels of thermocouple data. For technicians performing on-site commissioning or troubleshooting, this eliminates the "blind" installation phase and allows for instant verification of sensor wiring and temperature reading accuracy without waiting for remote server synchronization.
3. Can this module support long-distance transmission for thermocouple sensors?
While K-type thermocouples are sensitive to electrical noise, the module is designed for industrial environments to minimize signal degradation. For optimal performance, we recommend using high-quality shielded thermocouple wire and keeping the wire run between the probe and the module as short as possible to maintain measurement precision.
