Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 131)

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YASNAC PCNC PLC Programming Manual Chapter 4: Sequence Control Method
7.2 Source File
The format of source file input to the compiler is described below.
7.2.1 Source File Format
(1) Definition of Character Codes
• All data including the comments and character data must be ASCII.
Although upper case and lower case characters can be used, they are not distinguished
for the internal processing.When entering characters in ladder programs, pay attention
to this point.
• Note that all characters are processed in upper case characters.
(2) Definition of Numeric Values
• Decimal number 9,1234
• Hexadecimal number 1234H, 0ab12H, 0FFH (note)
• Characters aBc, a, Z
• Contact/ladder table number #1000, #10012, #9024
Note: Place “0” at the beginning of a hexadecimal number which begins with A to F.
(3) Pseudo Instructions
The following characters are processed as pseudo instructions.These pseudo instructions
can be used only once in one source file.
The following shows the available, pseudo instructions.
• version
• lowsequence
• message
• include
• highsequence
• lowstopcount
• endp
• conversion
(4) Definition of Version Number
For one object file where high-speed scan ladder, low-speed scan ladder, tables and
symbols are consolidated, one version number is assigned.