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Currently, I'm developing an application with the objective to track the values of some tags. For that I'm using RSLinx, connected through the interop dll.
The application is running ok, I can check the value correctly in the precise time stamp, using the datachange handle.
The problem is when I stop the PLC. Because the data is not changed, I can't check if the PLC is active (the handle is not called).
How can I check if a PLC is not active, using the interop dll?
The application is running ok, I can check the value correctly in the precise time stamp, using the datachange handle.
The problem is when I stop the PLC. Because the data is not changed, I can't check if the PLC is active (the handle is not called).
How can I check if a PLC is not active, using the interop dll?
