Comments (3)
Not sure about Sharp7, but I would recommend Snap7 library which contains PLC server. When the server is running another PLC can send data to it like to any other PLC, you can subscribe events to that.
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Hi Alvaro,
Please apologise my delayed answer.
The scenario you describe is actually not feasible under the plc get/put protocol (rfc1006).
This is the protocol Sharp7 and all other similar plc libraries use.
For notification capabilities in the plc world you should better make use of opc ua or further event driven implementations.
For Sharp7 there is an additional library that make the polling transparent for you so that you can you can get a notification whenever data on a data block changes: visit Sharp7.Reactive for details.
Hope that helps.
Best regards,
FB
from sharp7.
Hello, Federico:
Never it is late to get an asnwer that let me learn more.
OPC UA seems a good alternative to explore, so I appreciate so much your comments.
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