Top "Opc" questions

OPC (Open Platform Communications) is the interoperability standard for the secure and reliable exchange of data in the industrial automation space.

What do the different DCOM / COM security settings mean?

Our application uses COM and DCOM extensively, and so as part of that we need to ensure that the COM …

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Free OPC server for simulated values

I am developing an OPC client and need a free OPC server that can both simulate values ​​and set values …

simulation simulator opc
c# OPC Automation gives 80040154

I am a .Net developer. New to OPC. When I tried some samples of OPC Client all of them give …

c# opc
Understanding free OPC/UA code in python

I am working on OPCUA in python. I am using freeopc. I have used their server_minimal & client_minimal …

python opc
C# opc-client .net api

I'm writing opc client, using .NET API from opc foundation. In samples I only see, where item's names are hardcoded …

c# opc
Create an OPC client with OpenScada UTGARD

I´ve connected a PLC to Matrikon opc universal server, now my task is to connect the OPC server to …

java client-server opc
Can PHP Connect to an OPC Server?

I'm having a difficult time finding out if PHP can connect to an OPC server, and how. Our PHP is …

php opc
C# OPC Client fails to get server list

After I compiled my C# in my new Windows 8 64-Bit machine, I started to get the following error while getting …

c# opc
Alternative to OPC-UA

Is there any decent alternative to OPC-UA as a solution for accessing process data of a system composed of various …

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OPC UA Subscriptions and Notifications

I'm having trouble with OPC UA Subscriptions and Notifications in the ANSI C stack. OPC UA Part 4, Service says: 5.13.1 Subscription …

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