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HART to MODBUS Transmitter SM100-HHE: Reliable China Suppliers & Factory for Intelligent 4-20mA Solutions

The SM100-HHE Series HART Intelligent Transmitter is a cutting-edge product developed in China, utilizing advanced ARM microprocessors and dedicated HART protocol modulation and demodulation chips. This transmitter is designed with industrial standards in mind, ensuring high reliability and stability, making it an excellent choice for various applications. As a top supplier in the field, our factory assures that this intelligent transmitter comes equipped with a standard RS485 interface for seamless data transmission. It enables real-time communication with HART protocol-enabled intelligent instruments, and can also convert data to MODBUS_RTU protocol for efficient reading, Utilizing the Bell202 Frequency Shift Keying (FSK) standard, the HART protocol allows modulated digital signals to be superimposed on the 4-20mA analog signal, facilitating two-way data communication without disruption to the analog signal. The SM100 Series Intelligent Transmitter excels as an intelligent device, performing effective modulation and demodulation between digital and analog signals. Choose us for reliable and innovative solutions in industrial instrumentation!

Product Details

Product Specifications

Equipped with two standard RS485 communication interfaces for parameter configuration, changing communication baud rate, and parity bit. It is independent of the 1200 communication speed on the HART bus, thereby improving the operating speed of the entire system.
Adopts an industrially universal module housing for easy installation and debugging.
Comes with dedicated configuration software for parameter setting of the SM100-HHE Series Intelligent Transmitter, and enables data communication with HART protocol-enabled intelligent instruments through the intelligent transmitter.
Support for standard MODBUS _ RTU protocols.
Support Yokogawa HART protocol smart instrument.
Support a variety of special HART protocol intelligent instruments, and can customize the instructions for reading special HART instruments.
Each HART channel is isolated from each other without affecting the instrument current output.

Main Parameters

Power Supply Input

DC 12 ~ 24 V, ripple ≤ 200 mV, current 100mA

Shell Dimensions

116 mm (L) × 120 mm (W) × 24 mm (H)

Working Temperature

-20 ℃ ~ + 80 ℃

Relative Humidity

10% ~ 80%

Product Features

SM100HHE supports 2 Modbus outputs
SM100HHE supports connecting multiple HART instruments

Frequently Asked Questions

What communication interfaces does the SM100-HHE support?

It is equipped with two standard RS485 communication interfaces, which are used for parameter configuration, changing the communication baud rate, and setting the parity bit. It is independent of the 1200 communication speed on the HART bus.

Does the SM100-HHE support standard MODBUS RTU protocols?

Yes, the device fully supports standard MODBUS _ RTU protocols, making it highly compatible with various industrial control systems.

What are the power supply requirements for the module?

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

Can I connect multiple HART instruments to the SM100HHE?

Yes, the SM100HHE supports connecting multiple HART instruments. Crucially, each HART channel is isolated from the others, ensuring that the instrument current output remains unaffected.

What is the physical size and operating temperature range?

The shell dimensions are 116 mm in length × 120 mm in width × 24 mm in height. It is designed to work reliably in temperatures ranging from -20 ℃ to + 80 ℃ and relative humidity between 10% and 80%.

Does it support Yokogawa and other special HART protocols?

Yes, it supports Yokogawa HART protocol smart instruments as well as a variety of special HART protocol intelligent instruments. Users can also customize instructions for reading special HART instruments.