HART Protocol Stack

HART Communication Library

The HART Protocol Stack is a portable communication library that enables HART functionality in smart field devices. It allows remote configuration, calibration, and diagnostics over existing 4–20 mA analog current loops without requiring additional communication wiring.

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Product Overview

Enables HART communication over existing 4–20 mA analog current loops.

Allows remote configuration, calibration, and diagnostics without additional communication cables.

Designed as a portable C library for embedded systems.

Supports integration with a wide range of industrial field devices.

Key Features

Written for HART Version 7.5

Implemented in C Language as a reusable library

Supports Bare Metal and FreeRTOS platforms

Highly portable to most processors

Supports UART, I2C, and 0–3V Analog Input

Supports Point-to-Point and Multi-drop communication

Custom device-specific command support

Reliable and field-tested on Microchip, MSP430, and STM32 devices

Technical Specifications

Protocol Specifications

Software Features

Integration Process

Supported Applications

Why choose HART Protocol Stack?

The HART Protocol Stack provides an easy and reliable way to integrate HART communication into smart field devices, enabling remote configuration, diagnostics, and calibration while using existing 4–20 mA wiring infrastructure.