This reference design provides a solution for a loop-powered, highly-accurate, field (sensor) transmitter with a HART® modem. The design uses a partially-discrete 4-mA to 20-mA current transmitter, HART modem, microcontroller, and power conditioning blocks in realizing a smart field transmitter design. The design is compliant with the HART FSK Physical Layer Specification and has been registered with FieldComm Group™.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | |
|---|---|---|---|
| * | Design guide | High Accuracy Loop-Powered 4-to-20mA Field Transmitter w/ HART Modem Ref Design | Dec. 20, 2017 |
| Technical article | How to HART-enable your analog input module | Apr. 02, 2018 | |
| Technical article | Improve your field transmitter designs with HART | Feb. 22, 2018 | |
| Technical article | Back to the basics: what is HART protocol and how does it work? | Jan. 26, 2018 |
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