Requirement analysis, Schematics & Layout design, Customisation of off the shelf Mechanical design, Firmware development
Critical placement & routing to accommodate 4 HART modems, HART multiplexer in small form factor.
One PCB design with two different assemblies for two products.
Initial bring-up of the board followed by detailed Electrical interface validation(EVT)
Easy configuration of Multiplexer using Web server
Outcome and Benefits Delivered
Designed a system with high reliability, modularity and performance
The system is undergoing field trials and a formal product certification process will follow
Hart IP Gateway - System Description
Requirements Gathering & Analysis, competitive product study, H/W Architecture development and finalization, Firmware architecture development and finalization, Power requirement analysis via power estimation, component selection of all major components with CBOM with MOQ, LT etc., Customization of off-the-shelf mechanical enclosure
Complexity in routing all the interfaces for two products in tightly packed PCB
Isolation plane cutting for HART devices
Fab and Assembly/BOM
DFM and DFA reviews
Low cost CBOM’s with low cost alternatives identified for high cost parts, lifetime check for critical components in design including NAND and NOR flashes
Manufacturing support with alternates identified for components going to EOL/obsolesce
FW development
Operating System - RTOS
Development of Bootloader and HART-IP Gateway application
Web interface available for device configuration
Implemented firmware upgrading logic for the TiVA processor
Implemented stack-able architecture to interface upto 16 HART devices (One gateway and upto 3 add on boards)
Bring-up and Testing
Initial bring-up of the board followed by detailed Electrical interface validation(EVT) including interface validation for the various interfaces
Mechanical and 3-D design
Prepared the 3-D model of the board
Customization of off-the shelf mechanical enclosure to fit for the two products
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