Concluído

PCB Design

We need a PCB design with BOM and layout in appropriate files to have samples/prototypes built.

We have some pictures of a sample to work from.

The design is to incorporate 4 "MPXV7002DP" or an equivalent differential pressure sensor and scale the sensor readings with an output of 4-20mA proportionate to 0-5" W.C.

The board should have one shielded RJ45 port in which it will be pinned to receive 24VDC external power and transmit the four (2-wire) 4-20mA signals plus one 24VDC digital signal.

A terminal strip will also be required to mirror the RJ45 port for power and signal with an additional feature to split the four 4-20mA signals as (3-wire loop), power, and digital signal for legacy installations. We are opened to the idea of a second RJ45 port instead of terminal blocks for legacy installations, would require a selector or jumpers for either single port or dual port operation.

02/08/2019

Uploaded two additional files; two scenario part layout and function.

Scenario (1) - Preferred

Add selector switch (SW) to select between two pin out functions.

Add second RJ45 instead of terminal blocks, for second pin out function.

Scenarion(2) - Les preferred

Add selector switch (SW) to select between two pin out functions.

Add three RJ45 ports instead of terminal blocks, for second pin out function.

( second pin out function to interlock to legacy controls )

02/08/2019

Additional information

Final product will be housed in a plastic/fiberglass enclosure, installed in both indoor and outdoor environments with a temperature range of -10*C to 40*C.

Habilidades: Design de Circuito , Engenharia Elétrica, Eletrônica, Microcontrolador, Layout PCB

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Acerca do Empregador:
( 1 comentário ) Misissauga, Canada

ID do Projeto: #18663246

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shahbaz1980

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ovaisiq

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