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    546 modbus linux forum jobs found, pricing in USD

    Our major chunk of machines work on MODBUS RTU (RS485/232) protocol and/or direct integration with analog & digital sensors. We're looking for someone who: - has a deep understading of MODBUS protocol - can architect & develop a microcontroller based hardware for communication with these MODBUS RTU (Rs232/485) enabled machines. - can work with various

    $495 (Avg Bid)
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    22 bids

    ...to communicate with Modbus slave over TCP/IP at a fast rate (10 Hz). I am trying to send 32-bit integers every 100ms. The timing is very important and currently my code only sends about 5-6 times per second, with inaccurate timing. I suspect the choking point is the modbus commands. Freelancer needs to be familiar with Modbus over TCP/IP and data

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    ...runs on my Windows 8.1 PC, but it only reads in real time and doesn't log. I need a log file that will run for months until I need to do some math with it. I tried the AGG Modbus TCP/IP Data Logger software, and was helped to get it working. As demonstrated to me by the tech, it offered what I wanted. The trouble was when I paid for the Standard version

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    Simple project for modbus communication between raspberry pi and three arduino slaves. We need code for modbus slave (arduino) and modbus master (raspberry). Requirement: 1. Commented code and documentation 2. Programming in Python preferred 3. Code to additional or remove number of slaves

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    Need to use Long range RF module, send and receive digital signals from one place to multiple remote location and log current status in modbus

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    I need you to develop some software for me. I would like this software to be developed for Windows using PHP. Implementation of MODBUS RTU in PHP. Acceptance criteria is to be able to read and write Registers over an application

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    19 bids

    I have developed a HMI energy management project. It uses VB. I want to rewrite it in C++. I have just started learning C+. First I need help installing libraries for modbus and Simple Service Discovery Protocal using UDP for communicating with Ethernet devices. Once installed, I need assistance in developing the code. I expect it will take about

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    ...MESH (1-50 шт) [url removed, login to view] 2) Прописать протоколы и предоставить API для программиста Смартфонов - Modbus (по возможности) - GSM (по возможности) Microcontroller programmer / BLE mesh / Bluetooth / Programmer of microcontrollers Technical task: 1) Create a network of modules

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    ...someone to build a VS 2017 project for a Android. I want to set values via modbus to a [url removed, login to view](Stackable_Micro_Brick)/PLC_Units/C0-01DD1-D. The goal is to control a the C0-01DD1D using Modbus build in the controller, from a Android App. A serial to bluetooth adapter

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    ...script made to run on Raspberry Pi 3 Headless installation. The RPi3 shall be a slave in MODBUS RS485 network . The Rpi3 has a USB to Serial converter which shall be used to connect to the network. Functions to be performed by Rpi3 1. Fetch data over modbus from PLC Mitsubishi FX5U. Shall provide the addresses. 2. Receive digital signals (5) from

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    We are a HVAC controls company looking to develop a modbus software platform to run our integrated system. It would be helpful if the candidate was local to us in Hertfordshire so we can meet and you become part of our expanding team.

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    Successful bidder should deliver a Raspberry Pi Data Logger that communicate with field devices using Modbus protocol and store it in DBs (MySQL or Postgre SQL). The data will then send to another server using SNMP or MQTT language. Driver: Modbus SNMP V1, V2C, V3 compatible MQTT V3, V3.1 Features: The software should be written in cross-platform

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    ...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 IO board with 4 inputs and 4 outputs that I can pole from a master device using the Modbus protocol. I will need...

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    43 bids

    implement collision detection and collision control on RS485-based modubus (RTU) for ESP32 / ESP8266. implement in c / c++, use UART2 per default to connect MAX3485 or equivalent.

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    Successful bidder should deliver a Raspberry Pi Data Logger that communicate with field devices using Modbus protocol and store it in DBs (MySQL or Postgre SQL). The data will then send to another server using SNMP or MQTT language. Driver: Modbus SNMP V1, V2C, V3 compatible MQTT V3, V3.1 Features: The software should be written in cross-platform

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    I need some Arduino code for an Arduino to read data from a Victron CCGX Modbus TCP gateway using ModbusTCP (3x data fields fields; read only). Once this data is obtained; this should be posted to PVOUTPUT using the PVOUTPUT custom fields (API available). Update every 5 min. Time sync required (no inbuilt time chip on the Arduino board).

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    Datalogger with capable of 1) Read register using Modbus protocol, store data and send data in CSV format to a sFTP 2) Read register using Modbus protocol, store data and send data in MQTT or SNMP protocol to MQTT or SNMP server. 3) Webserver to perform configuration

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    Need to write dll in c# that will support MODBUS RTU over UDP protocol ( master side only) in way of choosing various IP addresses and able to read (poll) 40 different registers and write to those registers. Need also Winform screen to be able to test this dll . I am Thermal project application eng'

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    develop a bridge for a connection between mysql single data and modbus. Only give reaction if you have knowledge of it and please give me reference.

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    ...using esp-idf (with hwmaier’s PR and sample provided: [url removed, login to view]). My ESPs are connected according to the Circuit as described in the forum: [url removed, login to view]                                 +---------------+                  ...

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