Ditutup

Circuit Board

I need a small circuit board designed with the following features:

24VDC Power to power it up

4Each 24VDC inputs

4Each Relay outputs - 2 amp relay contact

RS485 port

Two rotary dials to select address of board from 1-32

Modbus protocol on RS485 port

The inputs will appear on the modbus RS485 port as Modbus inputs

The outputs will appear on the modbus RS485 port as Modbus coils.

This is basically a Modbus remote I\O board with 4 inputs and 4 outputs that I can pole from a master device using the Modbus protocol.

I will need a prototype, and after it has been proved out, the complete board info, girber files, components, source code etc.

Kemahiran: Arduino, Kejuruteraan Elektrik, Elektronik, Mikropengawal, Susun Atur PCB

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Tentang Majikan:
( 2 ulasan ) Hales Coners, United States

ID Projek: #15390210

43 freelancers are bidding on average $1148 for this job

sagradoamicus

Hi I am an expert electronics engineer with more than 8 years of experience I can do it for you. I am not clear about the deliverables of the project. Please share the further details Relevant Skills and Experience I Lagi

$1500 USD dalam 20 hari
(205 Ulasan)
7.6
EEmbedded

Hi Sir, We have previous experiance with electronic development and prototyping. Please see our profile for more details of past projects. We neeed more details of your project. Best Regards Lasa Relevant Skills an Lagi

$1250 USD dalam 20 hari
(32 Ulasan)
6.9
seshupower

Hi, I am a post graduate power electronics engineer and having very good experience in product design and development. I am excellent in embedded design & programming using pic, dspic controllers and MATLAB codding fo Lagi

$2777 USD dalam 40 hari
(55 Ulasan)
6.6
shahbaz1980

Hi, I-TECH will provide working prototype and all of the design data. Relevant Skills and Experience We are a company providing design and prototyping services in electronics industry across the globe. Proposed Miles Lagi

$1500 USD dalam 45 hari
(50 Ulasan)
6.8
Davelelievre

I would produce design and build a working prototype to your requirements Best Regards Dave Lelievre Relevant Skills and Experience I have over 35 years experience as an electronic design engineer, please see my profi Lagi

$1500 USD dalam 35 hari
(25 Ulasan)
6.2
jandle

Bid is in addition to prototyping costs. My proposal on that is 5-10 boards from Seeed Studios for about $1000, assembled. I need to know the protection level, but I have known good subcircuits. Relevant Skills and Lagi

$1500 USD dalam 20 hari
(10 Ulasan)
5.2
riki888vw

Hi, I can build Modbus RS485 network for 32 boards (4 inputs and 4 outputs). Relevant Skills and Experience Arduino Modbus RS485 Proposed Milestones $930 USD - Project Please send more details about your project.

$930 USD dalam 30 hari
(18 Ulasan)
5.4
arslanuet123

EE and circuit design expert here to help u sir Relevant Skills and Experience Electrical engineering, circuit design Proposed Milestones $750 USD - required work

$750 USD dalam 20 hari
(32 Ulasan)
5.3
gold2star

Hi sir How are you? I am a professor of Electronics and Engineering. I am an Electronics and Electrical Design Engineer with the areas of expertise in Microcontroller,Embedded System,PCB design and layout and firmw Lagi

$1250 USD dalam 20 hari
(13 Ulasan)
5.2
SPARKtechBD

I have read and understood. Have experience on digital electronics 15+ years. I like to work on your project. If possible please see my portfolio. Relevant Skills and Experience 15+ years of experience on digital elec Lagi

$1500 USD dalam 60 hari
(5 Ulasan)
4.8
villabeto

Hello Sir. I'm very interested to do your project in just 5 days. Habilidades y experiencia relevante Microcontroller, PCB, Eagle, MikroC Htos propuestos $750 USD - Project

$750 USD dalam 5 hari
(18 Ulasan)
5.1
luisfilipeaguiar

My technical solution is: 8 bit uP @5V 1 IC UART to RS485 4x binary optical isolated input sensing 24V 4x Relays SPST rated 2A@230V Rotary or dip switch address selector (cheaper) Free Licences tools Relevant Lagi

$750 USD dalam 20 hari
(2 Ulasan)
4.5
pro100roman

Hi. My name is Roman. Task is clear at all. But I have a some questions regarding board sizes, components and software. We can discuss it here, or in skype (my skype id - pro_100_roman). I try to work ahead, so fo Lagi

$1111 USD dalam 30 hari
(1 Ulasan)
4.1
andualemtad

A proposal has not yet been provided

$1111 USD dalam 15 hari
(7 Ulasan)
4.7
binyameen441

I am an electrical engineer also expert in arduino. i will provide you code, schematics , gerber files etc Relevant Skills and Experience Electrical engineer Proposed Milestones $766 USD - circuit board

$766 USD dalam 20 hari
(21 Ulasan)
4.3
urbito

Hello there! Hope you doing good! If you still need this to be done, be sure to contact me. Lets make something awesome! Greetings! Habilidades y experiencia relevante Electronics Engineer Since May 2015 Htos propu Lagi

$1333 USD dalam 28 hari
(4 Ulasan)
4.1
udayd75

Dear sir, We sonen engineer solutions provide Design, Manufacturing and consultancy services to Mechanical, Electrical and Electronic industries, we have qualified designers we support for design and development suppo Lagi

$1666 USD dalam 20 hari
(5 Ulasan)
4.8
HiberXen

Hello, i am from shenzhen,china. i can provide you complete solutions. i have pcb samples and test facilities. please PM me. Relevant Skills and Experience pcb design and embedded design Proposed Milestones $833 USD Lagi

$833 USD dalam 15 hari
(6 Ulasan)
3.8
mvish88

Bid money Includes purchasing the necessary electronics modules, microcontroller kits, electronic component for development of prototype. Relevant Skills and Experience Arduino, C programming, RS485/RS232 Communicatio Lagi

$750 USD dalam 25 hari
(7 Ulasan)
3.5
bogdan2451629

Hello I am expert in small manufacturing and prototyping. I have expirience with Modbus and and PCB routing. Relevant Skills and Experience 5 years hardware dev Proposed Milestones $1250 USD - for working prototype a Lagi

$1250 USD dalam 20 hari
(11 Ulasan)
3.8