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TF8xxx - Industry specific · 0 次阅读

Placeholders THIS^ and THISEXP^

Placeholder THIS^ refers to the PLC symbol mapped to the control. It substitutes SymbolPath, i.e.:

ADS.PLC1.GVL_MTP.V03

Placeholder THISEXP^ refers to the PLC symbol mapped to the control. It substitutes SymbolExpression, i.e.:

%s%THIS^%/s% or %s%ADS.PLC1.GVL_MTP.V03%/s%

An example of a value assignment inside the PLC attribute with THISEXP^ can look like this:

DataSymbol:=THISEXP^