China HART to MODBUS RTU protocol converter, hart to RS485 converter SM100-B-F Manufacturer, Factories

SM100-B-F HART smart converter is a product developed by using ARM microprocessor, HART protocol modem chip and a lot of practical experience. Designed according to the requirements of industrial products, it has high reliability and stability. The intelligent converter is equipped with a standard RS485 interface, which can transparently transmit data with intelligent instruments with HART protocol or read data with MODBUS _ RTU protocol to ensure real-time data transmission.

Product Description

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Product Introduction

The SM100-B-F HART smart converter is an advanced solution developed using the ARM microprocessor and dedicated HART protocol modem chips. Engineered to meet rigorous industrial standards, it offers exceptional reliability and stability. This intelligent converter features a standard RS485 interface, enabling transparent data transmission with HART protocol instruments or data retrieval via MODBUS RTU protocol to ensure seamless real-time monitoring.

Utilizing the Bell202 Frequency Shift Keying (FSK) standard, the HART protocol superimposes digital signals onto the traditional 4-20 mA analog signal. This allows for bidirectional communication without interference. The SM100-B-F serves as the critical link for modulating and demodulating these digital and analog signals effectively.

Specifications
  • Standard RS485 communication interface
  • Configurable parameters (baud rate, parity bit)
  • Industrial explosion-proof aluminum shell
  • Supports standard MODBUS RTU protocols
  • Supports single HART instrument connection
  • Reads specialized HART protocol commands
Key Features
  • Operating Temp: -20 ℃ to +80 ℃
  • Relative Humidity: 10% to 80%
  • Power Input: DC 12 ~ 24V
  • Power requirement: 100mA
  • Compact size for versatile installation
  • High-performance ARM architecture
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Technical Parameters
Power Supply: DC 12 ~ 24 V (Ripple < 200 mV, Current 100mA)
Environmental: -20 ℃ ~ + 80 ℃, 10% ~ 80% RH
Shell Dimensions: 96 mm L × 80 mm W × 25 mm H
Housing Dimensions: 153 mm L × 125 mm W × 58 mm H
Technical Resources
File
SM100-B-F.zip
Software Package
PDF
User_Manual.pdf
Technical Manual (2025)
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Communication Applications
Communication application between SM100-B-F and Rosemount 2700 instruments
On-site communication interface between SM100-B-F and Siemens flowmeter
Application of SM100-B-F and Rosemount pressure transmitters in two-wire systems
Post-Sale Commitment: All products come with a comprehensive three-year warranty. We ensure high reliability for all industrial communication needs.
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Frequently Asked Questions
What is the required supply voltage for the SM100-B-F?
The device operates on a DC 12-24V power supply.
Does this converter support all HART instrument communications?
Yes, it is designed to support a wide range of HART protocol intelligent instruments.
Can it be used in hazardous or industrial environments?
Absolutely. It features an industrial-grade explosion-proof aluminum shell suitable for demanding areas.
What communication protocols are supported on the RS485 side?
It supports transparent data transmission and the standard MODBUS RTU protocol.
Is there configuration software available for the converter?
Yes, it comes with special configuration software to set parameters such as baud rate and parity bits.
What is the warranty period for this product?
We provide a three-year warranty on all our converter products.

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