Is it a function or something else to check if the communication with the PLC works well or I must check with a kind of watchdog? I explain, i want to check the connection during the execution of my software like every x ms. when I can't read on PLC is it a difference between error code if the data isn't exist or the PLC isn't more connected?
Thanks
Freux
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Hello,
Is it a function or something else to check if the communication with the PLC works well or I must check with a kind of watchdog? I explain, i want to check the connection during the execution of my software like every x ms. when I can't read on PLC is it a difference between error code if the data isn't exist or the PLC isn't more connected?
Thanks
Freux