Siemens SIMATIC KP400 Comfort Operating Instructions Manual page 222

Glossary
Tag
A tag is a defined memory location to which values can be written and from which values can
be read. This can be done from the PLC or 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
Transfer of a runtime project from the configuring PC to the HMI device.
WinCC
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.
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Operating Instructions, 03/2012, A5E03404994-02
Comfort Panels