Section 2 Programming Languages
2-1 Types of Programming Languages
The MICREX-SX SPF series supports five programing languages that are defined in IEC 61131-3.
These programming languages are classified under two text languages and three graphics languages as shown below.
Graphic languages
Text languages
Graphic languages can be used for programming in combination with any of the above languages on one worksheet.
The available combinations of languages are listed in the table below.
Language Specified on Sheet (Note 1)
LD/FBD V2 compatible
LD/FBD language
SFC elements
Notes:
1) Specify the programming language on the "Insert" dialog box of the POU in D300win.
<"Insert" dialog box>
2) The control statements (e.g., IF statement) can be used. For more information, refer to the user's manual "SX-Programmer
Expert (D300win) <LD/FBD Editor Operations> (FEH257-1)."
3) In actions and transitions of SFC elements, text languages (IL and ST) are available.
4) The number of steps in the instruction summary table indicates the minimum number of steps in the intermediate language.
One step of the intermediate language may be from 1 to 4 words in size depending on the type of data or operands.
5) EN (enable input) and ENO (enable output) described in the detailed explanations of instructions are the functions for
controlling execution.
LD language (Ladder Diagram)
FBD language (Function Block Diagram)
SFC elements (Sequential Function Chart)
IL language (Instruction List)
ST language (Structured Text)
Available Combination
LD language, FBD language
LD language, FBD language, ST language (Note 2)
LD language, FBD language, SFC elements (Note 3)
Specify the language here.
2-1
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