Explore our flagship HART gateways and Modbus RTU/TCP conversion equipment designed for harsh industrial environments.
In the rapidly evolving landscape of Industrial IoT (IIoT), the Modbus protocol remains the backbone of automation. As a leading Wholesale Modbus Equipment Supplier, we recognize that connectivity is not just about moving data; it's about translating the pulse of the factory into actionable insights.
Modbus facilitates communication between thousands of devices across diverse platforms. Whether it's Modbus RTU over RS485 or Modbus TCP over Ethernet, the protocol's simplicity and robustness make it indispensable for smart manufacturing and energy management.
China's industrial clusters in regions like Jiaxing allow for rapid prototyping and component sourcing. This proximity ensures that our Modbus gateways utilize the latest silicon and isolation components at a fraction of the traditional cost.
Being a reliable China Factory Supplier means more than just volume. We implement 100% burn-in testing and multi-stage signal verification to ensure that every HART-to-Modbus converter can withstand 24/7 operation in extreme temperatures.
Global procurement needs vary significantly. Our factory provides deep customization—from protocol mapping to hardware casing—allowing international distributors to offer tailored solutions to their local markets.
Our Modbus and HART communication products are optimized for specific high-stakes localized application scenarios:
Reliable communication with pressure transmitters and flow meters. Our isolated converters prevent ground loops in hazardous zones.
Multi-channel HART data collectors (like the SM100-M-32) allow municipal water plants to monitor dozens of remote sensors through a single Modbus gateway.
Integration of air quality sensors and GPRS/4G data collectors for real-time compliance reporting and remote auditing.
HART (Highway Addressable Remote Transducer) is a hybrid protocol where digital signals are superposed on a 4-20mA analog loop. The challenge for many engineers is extracting the digital data—such as sensor diagnostics and secondary variables—without interrupting the analog control signal.
Our Solution: Songmao’s converters utilize proprietary FSK (Frequency Shift Keying) demodulation algorithms. This allows our equipment to "listen" to the HART digital traffic and map those parameters directly into Modbus Registers. This process enables legacy analog equipment to participate in modern digital ecosystems like SCADA or Cloud-based analytics.
Jiaxing Songmao Electronics Co., Ltd. was established in 2007. It has always been driven by technological innovation, deeply engaged in the field of industrial automation, and gradually developed into a high-tech enterprise integrating R&D, production and sales.
The company focuses on the independent research and development of core technologies such as HART protocol communication products and data collectors. Through continuous technological breakthroughs and market expansion, it has established a leading position in the industry.
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