Mitsubishi QD51 Programming Manual page 478

11 INSTRUCTIONS AND FUNCTIONS
(Address)
11 - 308
• Assign values to %(3) and %(4) ( %(6) and %(7) in case of a format 2 control
table) in the following manner.
D! • • • Address seen from the communication module
H!
L! Used as work areas.
• • • •
H$
L$
to
100 H!=INT(D!/65536!)
110 L!=D!-H! 65536!
120 H$=RIGHT$("0000"+HEX$(H!))
130 L$=RIGHT$("0000"+HEX$(L!))
140 %(3)=VAL("&H"+L$)
150 %(4)=VAL("&H"+H$)
to
• Data is stored in <storage area for data to be written> in the following manner.
Example : When writing data to buffer memory addresses 1 to 3 of an AD61 module
whose I/O addresses are from X/Y40 to X/Y5F.
1) If an input element is specified as an integer variable/array, the data is stored as
follows:
PCRD TBL%( ), SD%( )
Number of bytes to be written • • • • 6 bytes
Starting address • • • • • • • • • • • •
Module number • • • • • • • • • • • • •
Buffer memory viewed
from the PLC CPU
(Address)
23 45
H
1
(H) (L)
00 12
H
2
(L)
(H)
00 18
H
3
(H) (L)
2) If an input element is specified as a character variable or character array variable
name:
Number of bytes to be written • • • • 6 bytes
Starting address • • • • • • • • • • • •
Module number • • • • • • • • • • • • •
Buffer memory viewed
from the PLC CPU
(Address)
45
23
H
H
1
(H) (L)
12
00
H
H
2
(L)
(H)
00 18
H H
3
(H) (L)
• • • • %(6)=VAL("&H"+L$)
• • • • %(7)=VAL("&H"+H$)
Specify
82
H
05
H
Buffer memory viewed
from the BASIC program
(Address)
82 45 (L)
H H
H
83 23 (H)
H H
84 12 (L)
H H H
85
00 (H)
H H
86 18 (L)
H H
H
87 00 (H)
H H
PCRD TBL%( ), SD%( )
Buffer memory viewed
from the BASIC program
82 45 (L)
H
H
83
23 (H)
H H
84 12 (L)
H H
85
00 (H)
H H
86 18 (L)
H H
87 00 (H)
H H
In case of a format 2 control table
Storage status
of data written
SD%(0) 23 (H) 45
H
SD%(1) 00 (H) 12
H
SD%(2) 00 (H) 18
H
Specify
82
H
05
H
Storage status
of data written
1st 2nd 3rd
character character character
SD $ 45 23 12
H H H
MELSEC-Q
(L)
H
(L)
H
(L)
H
4th 5th 6th
character character character
00 18 00
H H H
11 - 308