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HART Intelligent Transmitter SM100-HHE: China Suppliers & Factory for MODBUS/485 Communication Solutions

The SM100-HHE Series HART Intelligent Transmitter is a cutting-edge solution developed in China, utilizing ARM microprocessors and dedicated HART protocol modulation and demodulation chips. This advanced product is designed in line with industrial requirements, boasting high reliability and stability. As a leading supplier, we ensure that our intelligent transmitter features a standard RS485 interface, facilitating seamless data transmission with HART protocol-enabled instruments or converting data to MODBUS_RTU protocol for real-time reading, Employing the Bell202 Frequency Shift Keying (FSK) standard, the HART protocol enables the superimposition of modulated digital signals on the 4-20mA analog signal. This innovative design supports two-way data communication without interfering with the analog signal. The SM100 Series Intelligent Transmitter stands out as a highly intelligent device, proficient in performing two-way modulation and demodulation between digital and analog signals. Trust our factory in China for reliable and effective solutions to meet your industrial communication needs

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 Input

DC 12 ~ 24 V (Ripple ≤ 200 mV, Current: 100mA)

Shell Size

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 feature?

The device is equipped with two standard RS485 communication interfaces for parameter configuration, changing baud rates, and parity bits. These interfaces operate independently of the 1200 communication speed on the HART bus to improve overall system speed.

Which protocols and instruments are supported?

It supports standard MODBUS_RTU protocols, Yokogawa HART protocol smart instruments, and various special HART protocol intelligent instruments. You can also customize instructions for reading special HART instruments.

What are the power supply specifications for this transmitter?

The input voltage requirement is DC 12 ~ 24 V, with a power supply ripple not exceeding 200 mV and an operating current of 100mA.

How are the HART channels configured to prevent interference?

Each HART channel is fully isolated from one another, ensuring that communication on one channel does not affect the instrument current output of other channels.

How many Modbus outputs and instruments does the SM100HHE support?

The SM100HHE supports 2 Modbus outputs and is designed to connect multiple HART instruments simultaneously.