Glossary
Basic Panels 2nd Generation
128 Operating Instructions, 10/2016, A5E33293231-AB
Symbolic I/O fields are used for the input and output of values. A field contains a list of
default entries from which one can be selected.
System alarms are assigned the "System" alarm class. A system alarm reports internal
states of the HMI device and of the PLC.
The tab order defined in the course of project engineering determines the sequence for
activating objects by pressing the <TAB> key.
A tag is a defined memory area that is used to read and write values. Those tags can be
accessed from the PLC or using the HMI device. We distinguish between external tags
(process tags) and internal tags, depending on whether or not the tag is interconnected with
the PLC.
Transfer of an executable project from the configuring PC to the HMI device.
WinCC (TIA Portal) is engineering software for configuring SIMATIC Panels, SIMATIC
Industrial PC and standard PC with the visualization software WinCC Runtime Advanced or
the SCADA system, WinCC Runtime Professional.
A project created with WinCC V13 has the file extension "*.ap13". An executable project file
on a HMI device has the extension "*.fwx".
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