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Well maybe it is wise to explain a little bit of the modbus protocol. Modbus protocol is Master- slave based. The slave can only respond to the master his request (slave cant send a message to the master by itself). In my case the master (PC) will send out a read request to the slave (plc) or a...

Hello, I have a problem with my project. I am trying to send/read data from a plc true a certain protocol (modbus for those that want to know). This i can get to work but the actual problem is that my computer gets slow and lags alot when i send/recieve data to the plc. Someone told me...