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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
• Assign values to %(6) and %(7) ( %(9) and %(10) in case of a format 2 control
table, %(10) and %(11) in case of a format 3 control table) in the following
manner.
D!
H!
L!
H$
L$
to
• • • •
• • • •
Device number of the device to be read
Used as work area.
100 H!=INT(D!/65536!)
110 L!=D!-H! 65536!
120 H$=RIGHT$(”0000”+HEX$(H!),4)
130 L$=RIGHT$(”0000”+HEX$(L!),4)
In case of a format 2 control table
140 %(6)=VAL(”&H”+L$)
150 %(7)=VAL(”&H”+H$)
to
• • • • • • • • • •
• • • • • •• • • •
%(9)=VAL(”&H”+L$)
%(10)=VAL(”&H”+H$)
• Data is stored for the number of points read in <storage area for data read> as
follows:
Repeat for the number of
points to be written.
Data to be
written
Data to be
written
Data to be
written
•
•
•
•
(0)
(1)
(2)
•
•
%
• In case of bit devices
Specify 0 or 1.
b15
to
b1
b0
• In case of word or double-word devices
Specify data.
