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DLL in c# communication omron CP1E PLC.

I need a DLL to comunicate with omron CP1E PLC by serial communication.

Protocol ModBus.

My first problem is to manage multithreading .

actually, when i send a command, sometimes i send various command to PLC ( by multithead ). When i have a response, can't know what's command is replying the PLC.

I use

@01RRxxxxxx ( to read a register )

@01RHxxxxx ( to read holding )

@02WRxxxxx ( to write register )

@02HRxxxxx ( to write holding )

my principal problem is ....

when i try to modify only one bit in a complet register, first must read the complete register, to modify the value and write the new complete register. It's too slow and must manage various commands.

other ways will be appreciated.

Kemahiran: Pengaturcaraan C, .NET, PLC & SCADA, Elektronik

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Tentang Majikan:
( 5 ulasan ) Fuenlabrada, Spain

ID Projek: #29410063

Dianugerahkan kepada:

youssefEngineer

Hello sir, i already created the Hostlink protocol from scratch to communicate allen bradly with omron using Raspberry as a gateway, its impossible in hostlink serial com to change only one bit, as you said you need Lagi

$250 USD dalam 4 hari
(5 Ulasan)
4.4

7 pekerja bebas membida secara purata $234 untuk pekerjaan ini

XeeChaun

hi. I have 8+ years of experience in Modbus, RS232 and similar development. here are couple of my recent projects: ---( [login to view URL] )--- and ---( https://www Lagi

$350 USD dalam 7 hari
(87 Ulasan)
7.1
SlobodanDev2020

Hi. Hope you are doing great. I have confident in your task. You have to make 2 thread and use event or mutex to do sync. Let's discuss more detail in chat. Thank you.

$200 USD dalam 2 hari
(2 Ulasan)
4.8
nachimd1985

hi, this is Nasir Mehmood. I am a software engineer and have more than 20 years of development experience in embedded systems, database design, web design, graphics, and mobile applications. i have extensive knowledge Lagi

$300 USD dalam 7 hari
(8 Ulasan)
4.6
Darwish001

Hi, Hope you are doing well. I have full experience about C#/.NET and Modbus so that I can handle your project perfectly. I will be very happy to discuss about your project via chatting. Thank you.

$150 USD dalam 7 hari
(6 Ulasan)
4.7
cesur135

HELLO I M AUTOMATION ENGINEER I HAVE FINISHED MANY PROJECTS I KNOW SIEMENS PLCS,SCADA,HMI PCS7,DCS I KNOW ALLEN BRADLEY PLCS I KNOW SCHIENEDER PLCS,HMI,SO MACHINE BASIC I KNOW OMRON PLCS I KNOW DELTA PLCS ROBOTIC PROGR Lagi

$250 USD dalam 3 hari
(13 Ulasan)
4.1
fatehmir99

Hi, DLL in c# communication omron CP1E PLC. I hope you are fine. I have read your job and I have completely understood your description. I can do this job I need some more information about your your job. please co Lagi

$140 USD dalam 7 hari
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0.0