Grafcet instructions
(Original Document)
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Introduction
The conversion replaces the PL7 Grafcet language elements with their Control Expert equivalent.
Grafcet instructions in ladder language
The following table describes the correspondence and possible differences between PL7 and Control Expert ladder language Grafcet instructions.
PL7
Control Expert
State
Instructions
Modified
Modified
Grafcet instructions in structured text
The following table describes the correspondence and possible differences between PL7 and Control Expert structured text Grafcet instructions.
PL7
Control Expert
State
Instructions
SET %Xi
SETSTEP (X_i);
Modified
RESET %Xi
RESETSTEP (X_i);
Modified
Grafcet instructions in instruction list language
The following table describes the correspondence and possible differences between PL7 and Control Expert instruction list language Grafcet instructions.
PL7
Control Expert
State
Instructions
S %Xi
CAL SETSTEP (X_i)
Modified
R %Xi
CAL RESETSTEP (X_i)
Modified