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HART Smart Converter SM181-01-A - Reliable 4-20mA to RS485 Solution from China Suppliers and Factory

The SM181-01-A HART Smart Converter is an advanced product developed in China, utilizing a powerful ARM microprocessor and a sophisticated HART protocol modem chip. This converter is designed with the industrial sector in mind, ensuring high reliability and stability in operation. It features a standard RS485 interface that enables seamless data transmission with HART protocol smart instruments or conversions to MODBUS RTU protocol for data retrieval, guaranteeing real-time data communication, Utilizing the Bell202 Frequency Shift Keying (FSK) standard, the HART protocol allows for the superimposition of modulated digital signals onto a 4 to 20 mA analog signal, facilitating bidirectional data exchange without any interference with the analog signal. The SM181-01-A HART Intelligent Converter stands out as a key solution for those seeking quality performance in signal modulation and demodulation, making it an essential component for any industrial setup. As a proud offering from leading suppliers in China, our factory is committed to delivering high-quality smart converters to meet your industrial needs

Product Details

Product Specifications

Equipped with standard RS485 communication interface for parameter configuration, communication baud rate and parity check. It is independent of the 1200 communication speed on the HART bus, thus improving the operation speed of the whole system.
Adopt industrial universal module shell, which is convenient for installation and commissioning.
It is equipped with special configuration software, which can configure the parameters of SM181-01-A HART intelligent converter, and can communicate with HART protocol intelligent instrument through the intelligent converter.

Support a variety of special HART protocol intelligent instruments, and can customize the instructions for reading special HART instruments.
It has the functions of analog quantity acquisition and high-precision A/D simultaneous sampling.
The range and zero point of collected data can be configured.
With power-off memory function, parameters do not need to be reset after power off.

Protocol Support

Support for standard MODBUS _ RTU protocols.

Product Features

FEATURE SM181-01-A simultaneously collects hart and 4-20mA output 485

Main Parameters

Power Supply Input

DC 12 ~ 24 V

Ripple ≤ 200 mA, Current 100mA

Shell Size

96 × 80 × 25 mm

Length × Width × Height

Working Temperature

-20 ℃ ~ + 80 ℃

Relative Humidity

10% ~ 80%

Frequently Asked Questions

What communication interface does the SM181-01-A use for configuration?

It is equipped with a standard RS485 communication interface for parameter configuration, communication baud rate, and parity check. It operates independently of the 1200 communication speed on the HART bus.

Does the SM181-01-A support standard MODBUS protocols?

Yes, the converter supports standard MODBUS_RTU protocols for seamless integration.

Can the device collect analog signals?

Yes, it features analog quantity acquisition and high-precision A/D simultaneous sampling. Additionally, the range and zero point of the collected data can be configured.

What happens to the configuration parameters when power is lost?

The device features a power-off memory function, meaning parameters are saved and do not need to be reset after a power failure.

What are the power input requirements for the SM181-01-A?

The input voltage should be DC 12 ~ 24 V. The ripple of the power supply must not exceed 200 mA, and the current is 100mA.

What are the physical dimensions and operating environment constraints?

The shell size is 96 mm (L) × 80 mm (W) × 25 mm (H). It operates in temperatures from -20 ℃ to +80 ℃ and relative humidity between 10% and 80%.