Yaskawa YASNAC PC NC PLC Programming Manual User Manual

Page 133

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YASNAC PCNC PLC Programming Manual Chapter 4: Sequence Control Method

YELADDER.SRC (main file)

Fig. 7.2 Main File

1) Source file name

Source file name can be assigned as required by using an extension of “.SRC”.

_______.SRC

2) Source file format

•

There are no restrictions on start position, the number of lines and the
number of columns for entering the pseudo instructions, sequence
program, and data.

•

Characters appearing after “,” in a line are regarded as a comment.

3) Pseudo instructions

VERSION

Set a version number.

Format: VERSION AAAAAAAAAAAAAAAAAAAAA

A version number should be set in up to 20 characters.

If no entry is made, spaces occupy 20 columns.

óHIGHSEQUENCE

This indicates the start of a high-speed scan ladder sequence.

An object file is generated as a high-speed scan ladder up to the ENDP

instruction.

;*************************
**********;

VERSION JXSD LADDER

LOWSTOPCOUNT2; Low-speed scan ladder pro-
gram stop count
HIGHSEQUENCE; High-speed scan ladder program
INCLUDE LAD.HI
ENDP
LOW SEQUENCE; Low-speed scan ladder program
INCLUDE LAD.LO1
INCLUDE LAD.LO2
INCLUDE LAD.LO3
ENDP

CONVERSION; Conversion data
INCLUDE CONV.DAT
ENDP

MESSAGE;Message data