Siemens v1.0 Manual de servicio Pagina 68

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Simple example
2.6 Create HMI screen
STEP 7 Basic V10.5
68 Getting Started, 12/2009, A5E02651459-01
5. Assign the event "Pressing", which triggers the function "InvertBit", to the button.
6. Link the "InvertBit" function to the PLC tag "ON_OFF_Switch".
Note
HMI connections are automatically created in the TIA Portal
If you did not configure a connection between the HMI device and the PLC, the
connection will be automatically created as soon as you link a PLC tag to an HMI object.
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