Vijeo Citect and Beckhoff OPC problem - all values are shown as zeros

jacek28x

Member
J
Join Date
Aug 2016
Location
Poland
Posts
1
Hello, I am responsible for implementation of Vijeo Citect 7.4 SCADA in my company. I want to connect to Beckhoff PLCs by using Twincat OPC Server. I can control and observe the variables through OPC Control tool, but when I add the device and variables to my Citect aplication, they are always equal zero. I cannot also force through Citect to change the value. I don't know where the problem lies.

If you need additional information, please ask me. I will provide you with all the data I have.

Thank you in advance.

beckhoff_opc.jpg
 

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