Wholesale HART IP Manufacturers & Factory Solutions

Leading the Digital Transformation of Industrial Automation with 18+ Years of Expertise in HART Protocol, Data Acquisition, and Enterprise-Grade Connectivity.

Premium HART Connectivity Hardware

SM100-T-B-4 HART to 4-20mA Converter | China Factory Solution

SM100-TCP HART to Ethernet Data Acquisition Module

HART Smart Converter SM181-01-A: 4-20mA to RS485

16-Channel HART Data Collector - MODBUS-TCP & RTU

SM700-M Smart Converter - MODBUS Protocol Solution

HART to MODBUS & RS485 Converter - SM100-HHE

Wholesale HART Converter AC220V RS485 Modbus-RTU

8-Channel HART to MODBUS RS485 Converter SM100-W

The Evolution of HART-IP: Bridging Traditional Field Devices with IIoT

In the era of Industry 4.0, the demand for real-time data from field instruments has surged exponentially. Traditional HART (Highway Addressable Remote Transducer) protocol, while robust, often faces bandwidth limitations in complex network architectures. This is where HART-IP emerges as the definitive solution for high-level enterprise integration. As a leading HART-IP manufacturer, Songmao Electronics provides the hardware backbone that allows legacy 4-20mA systems to communicate seamlessly over Ethernet, Wi-Fi, and cellular networks.

🚀 Enhanced Bandwidth

HART-IP leverages Ethernet speeds, allowing for the transmission of multi-variable data without the latency associated with serial loops.

🛡️ Cybersecurity Ready

Modern HART-IP gateways include encryption and authentication layers, essential for protecting critical infrastructure from cyber threats.

🌐 Seamless Integration

Enables direct communication between field devices and Cloud-based asset management systems like SAP or Microsoft Azure.

Why Global Enterprises Source from Songmao Factory

For over 18 years, Jiaxing Songmao Electronics Co., Ltd. has set the standard for industrial communication hardware. Our 1,073㎡ state-of-the-art facility is dedicated to the R&D and production of HART data collectors and converters.

✅ Strict Quality Control: Every unit undergoes 72-hour burn-in testing and signal accuracy calibration.
✅ OEM/ODM Flexibility: Customized firmware for specific Modbus mapping or protocol translations.
✅ Global Compliance: Products certified for use in over 40 countries, adhering to CE and ISO standards.

2007Established

18+Years Experience

40+Countries Served

100%QC Inspection

24/7Tech Support

Macro-Industry Solutions: Powering the Core of Society

Oil & Gas Remote Monitoring

Utilizing the SM626H-A 4G/GPRS converter for long-distance data transmission in pipeline pressure and flow monitoring, ensuring safety in hazardous zones.

Smart Water & Waste Management

Implementing 16-channel HART data collectors to centralize sensor data from large-scale treatment plants into a unified MODBUS-TCP SCADA system.

Environmental Compliance

Continuous Emissions Monitoring Systems (CEMS) rely on our HART-to-RS485 converters to deliver accurate multivariable analytical data to regulatory servers.

Technical Roadmap: The Future of HART Communication

Upcoming Innovations for 2025-2027

Our R&D roadmap focuses on Edge Computing integration. Future HART-IP manufacturers must go beyond simple protocol conversion. We are developing:

AI-Driven Diagnostics: Predictive maintenance alerts based on HART device status trends.
5G-NR Connectivity: Ultra-low latency transmission for offshore and remote mining sites.
PoE (Power over Ethernet): Simplified wiring for HART gateways.
Universal Protocol Mapping: Auto-detection and mapping of HART commands to MQTT for Cloud IoT.

Local Support & Global Compliance

Navigating international industrial standards can be complex. Songmao provides full support for:

CE & RoHS Certification

Ensuring all converters meet European safety and environmental regulations.

Modbus-RTU / TCP Standardization

Our implementation follows the strict Modbus.org specifications for maximum interoperability.

Frequently Asked Questions (HART Protocol)

What is the difference between HART and HART-IP? +

Traditional HART uses a low-frequency digital signal superimposed on the 4-20mA analog loop. HART-IP takes the same HART data and encapsulates it within an IP packet (Ethernet or Wi-Fi), allowing for speeds up to 1Gbps compared to 1200 bps for serial HART.

Can I use a HART collector for multidrop applications? +

Yes, our 8-channel and 16-channel HART data collectors are designed specifically for multidrop environments, allowing up to 15 devices per loop to be polled and converted to Modbus-RTU or TCP.

How do I integrate HART devices with a PLC that only supports Modbus? +

You use a HART-to-Modbus converter like our SM100-HHE. It acts as a gateway, reading the digital data from the HART instrument and mapping it to specific Modbus registers that your PLC can read via RS485.

Does Songmao offer localized technical support? +

We provide comprehensive English-language documentation, video tutorials (like "How to connect Modbus TCP/IP"), and direct engineering support via remote conferencing to assist with configuration.