IOT News

ModbusRTU to ModbusTCP Protocol Converter: Functions and Features

Published: 2026-04-03 14:12:12

In today's rapid proliferation of the Industrial Internet of Things (IIoT), the inability of serial devices to directly connect to Ethernet remains a critical bottleneck for enterprises undergoing digital upgrades. WideIOT officially introduces the WC112 - a lightweight Modbus protocol converter, specifically designed as a serial-to-Ethernet smart terminal for industrial settings, facilitating seamless conversion from ModbusRTU to ModbusTCP and enabling the construction of efficient, stable, and scalable industrial communication networks.

Plug-and-Play, Simplifying Connections
The WC112 is equipped with one 100Mbps Ethernet port and two RS485/232 serial ports, supporting ModbusRTU to ModbusTCP conversion.

It can connect multiple serial devices on a single bus, automatically mapping addresses to distinguish between devices, making it an ideal edge communication node for scenarios such as energy consumption collection, new energy monitoring, intelligent buildings, and industrial automation.

Industrial-Grade Reliability, Stable Operation in Harsh Environments

  • Wide Temperature and Voltage Range: DC 9V-35V power supply, operating temperature range of -40℃ to 85℃, unfazed by extreme temperatures.

  • Multiple Protections: 15KV ESD electrostatic protection, 1.5KV network isolation, EMC Level 4 compliance, ensuring robust resistance to electromagnetic interference.

  • Metal casing with fanless cooling, IP30 protection rating, and rail mounting, ensuring 7x24-hour stable operation without disconnections.

Dual Serial Port Concurrency, Doubling Efficiency
Standard with two RS485 serial ports (optional RS232), enabling parallel communication on dual buses without interference.

It supports multi-slave polling on a single bus with automatic address mapping, allowing one device to manage an entire line of serial instruments.

Millimeter-Level Protocol Conversion, Instant Response with Zero Data Delay
Effortless plug-and-play deployment without complex programming; automatically completes protocol conversion upon power-up.

A dedicated configuration tool enables one-click setup of network, serial port, and forwarding parameters.

Optional WiFi support provides flexible wired/wireless networking to adapt to various field environments.

Efficient Conversion, Seamless Data Flow
Focused support for Modbus RTU to Modbus TCP protocol conversion, compatible with various systems such as upper computers, SCADA, EMS, and cloud platforms.

It ensures no data packet loss or delay, meeting the demands of high-precision acquisition and real-time monitoring.

Compact and Robust, Saving Space
With dimensions of 72×97×31.5mm and weighing only 252g, it is compact and space-saving.

A single WC112 can replace multiple traditional conversion devices, reducing wiring and hardware costs.

Full-Scene Coverage, Meeting Multi-Industry Needs

  • Intelligent Buildings: Remote meter reading for electricity, heat, water, and gas meters.

  • New Energy: Monitoring of photovoltaic systems, charging stations, battery swap stations, and BMS systems.

  • Industrial Automation: Data acquisition from PLCs, sensors, and inverters.

  • Universal applications across various fields such as dynamic environment monitoring, environmental protection monitoring, and intelligent transportation.

Next: Data Acquisition Solution for Steel Industry Tail Gas Recovery and Utilization System

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