Questions tagged [open-opc]

7 questions
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Read and write to a Opc DA server in python

I'm trying to read and write in a Opc Da server that run on localhost with 11159 port and server id 'BR.OPC.Server_3.0_V1.14.2'. This is my code: import OpenOPC import pywintypes pywintypes.datetime =…
CarloMatto
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OPC DA dll compatible with MS KB5004442

I have an Python application that use OpenOPC to connect to our OPC Server. After the release of the Microsoft KB5004442 DCOM security patch this application is not been able to connect. This is because this OpenOPC module make use of an OPC…
Dariva
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OpenOPC.open_client() hangs

I'm trying to connect to an OPC Server using the python Open OPC library, it is working fine with a Matrikon OPC Simulator, however when I try to connect it to the actual server the client seems to be hanging on the OpenOPC.open_client method, I…
Nachiketh
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OpenOPC using Python

I am trying to do some stuff with siemens PLC using OPENOPC using python. I am wondering how I will get OPC server that I can communicate using PYOPC. Is there any open OPC server available or am I not understanding some of the key concepts here?…
Jack_of_All_Trades
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Python script making OPC DA connection not running on VM Server after RDP disconnects

I am running a Python script on a Windows 2016 Server that uses the OpenOPC module to connect to an OPC DA Server and write values to a couple of tags. I need this script to execute every 15 min so I have set up a task in task scheduler to execute…
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Python 3.6.1 OpenOPC install

Pardon me for my ignorance but I can't seem to get OpenOPC installed with Python 2.7 or 3.6.1. I found the github code but it does not appear to include an installer. So I attempted to install the version for 2.7 from here. I can make the OpenOPC…
Josie
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How to install Open OPC on ubuntu for python support

I am trying to install OpenOPC. So far I tried the following and it shows the following output: tsp@tsp-Inspiron-5558:~/Downloads/OpenOPC-1.3.1$ pip install OpenOPC Collecting OpenOPC Could not find a version that satisfies the requirement OpenOPC…