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I need your help to choice the best fieldbus solution to connect :
-from 2 to 100 microPLC (each must be able to work disconnected
-fieldbus failure-)
-some HMI stations which can be connect and disconnect anyway to
access to each PLC directly or by the fieldbus
Actually some PLC have modbus connection
The speed of the fielbus is not critical (very slow process)
A must : the possibility to connect a web server to acces to the process
by a web navigator.
Thanks for your helps.
-from 2 to 100 microPLC (each must be able to work disconnected
-fieldbus failure-)
-some HMI stations which can be connect and disconnect anyway to
access to each PLC directly or by the fieldbus
Actually some PLC have modbus connection
The speed of the fielbus is not critical (very slow process)
A must : the possibility to connect a web server to acces to the process
by a web navigator.
Thanks for your helps.