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Graphic IO field is one of basic of elements in SIMATIC HMI for TIA Portal . In this topic , you will see how to create Graphic IO field in TIA Portal , create graphic database in HMI and link that to a tag in PLC .Graphic IO field is like other IO fields , you change the eateries and by any change a value will alter in PLC. In your program , you cab react to those changes.
In this example we have limited number of valves , based on the number entered in graphic IO field , the regarding valve is energized in PLC user program.
SIMATIC HMI Graphic IO field | SIEMENS TIA Portal | S7-300 | s7-1500 | TIA Portal V16
