Fluke 744 manual Documenting Process Calibrator Hart Mode, Introduction

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Documenting Process Calibrator HART Mode

Introduction

wWarning

To avoid electric shock, read the Safety Information in the 744 Users Manual before you use the Fluke 744 Documenting Process Calibrator.

With analog transmitters, you must make a hardware adjustment during calibration. With HART® (Highway- Addressable Remote Transducer) transmitters, adjustments are by remote command. These adjustments require the use of a communication tool as well as a calibrator. The Fluke 744, hereafter called “calibrator,” provides communication and calibration functions in one tool.

This manual describes how to use HART mode, which is active when the calibrator is communicating over its serial HART interface to a HART transmitter. Refer to the

744 Users Manual for safety, analog mode operating instructions, specifications, and other general information. All of the calibrator functions described in the 744 Users Manual are available and can be used with HART transmitters. The only transmitters addressed in this manual are HART transmitters.

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Contents 744 Page Table of Contents 744 Hart Mode Users GuideList of Tables 744 List of Figures 744 Introduction Documenting Process Calibrator Hart ModeHow to Contact Fluke Connecting to a Hart Transmitter ∙ Poll address if not Documenting Process Calibrator Hart Mode Supported vs. Generic Transmitters Supported vs. Generic Transmitters Setup Operations Communication OperationsViewing Process Variables Hart Mode Menu Tree Sensor Hart Output Hart Information Interaction between Analog Mode and Hart Mode Service OperationsAbort Softkey Understanding Hart Calibration Hart Mode Menus for AdjustmentBlock Diagram of a Hart Transmitter Calibrating a Supported Hart Transmitter Loop Test Sensor Trim Output TrimPress Continue Cloning a Transmitter 744 Index Device identification