VA Motion Controller Programming Manual
34
Ⅵ MULTIPROG Programming Language
MULTIPROG
supports
IL, ST
,
FBD, LD, SFC
five programming languages, of
which
IL
and
S T
belong to the text programming language,
FBD, LDA
nd
SFC
belong to the graphic
programming language. A program with independent functions is divided into code part and data
part. The code is written in one or several languages of IL, ST , FBD, LD, SFC , and the data is
declared in the variable work order. This chapter describes how to declare variables and how to
program them in these five programming languages.
〖1 〗IL is an abbreviation of the Instruction List ;
〖2 〗ST is an abbreviation of Structured Text structured text;
〖3 〗FBD is an abbreviation of Function Block Diagram function chart;
〖4 〗LD is an abbreviation of Ladder Diagram ladder diagram;
〖5 〗SFC is SequentialFunction Chart is an abbreviation of sequential function chart;
In a graphics-like programming language, programs are scanned from top to bottom and left
to right. In a text-based programming language, programs are scanned from top to bottom.
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