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11 INSTRUCTIONS AND FUNCTIONS
(2) Program example for a format 2 control table
100 'A program example that writes data nonsequentially to devices in a Q/QnA series PLC CPU's
110 DIM TBL%(20),A%(10)
120 TBL%(0)=256
130 TBL%(1)=1
140 TBL%(2)=1
150 TBL%(4)=516
160 TBL%(5)=&H101
170 TBL%(6)=&H1
180 TBL%(7)=168
190 D!=0
200 GOSUB 400
210 TBL%(8)=L%
220 TBL%(9)=H%
230 TBL%(10)=0
240 TBL%(11)=0
250 TBL%(12)=144
260 D!=0
270 GOSUB 420
280 TBL%(13)=L%
290 TBL%(14)=H%
300 TBL%(15)=0
310 TBL%(16)=0
320 TBL%(17)=168
330 D!=8000
340 GOSUB 420
350 TBL%(18)=L%
360 TBL%(19)=H%
370 TBL%(20)=0
380 TBL%(21)=0
390 A%(0)=100:A%(1)=200:A%(2)=300
400 PCRD TBL%( ),A%( )
410 END
420 H!=INT(D!/65536!)
430 L!=D!-H!*65536!
440 H$=RIGHT$("0000"+HEX$(H!),4)
450 L$=RIGHT$("0000"+HEX$(L!),4)
460 L%=VAL("&H"+L$)
470 H%=VAL("&H"+H$)
480 RETURN
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device memory
:
'Defines arrays
:
'Specifies a format 2 control table
:
'Specifies network number 1
:
'Specifies station number 1
:
'Specifies to write data nonsequentially to
the devices of the Q/QnA series PLC CPU
:
'vWrites to one bit device point and one
word device point
:
'Writes to one double-word device point
:
'Specifies data registers (D)
:
'Specifies device number 0
:
'Stores the lower digit of the device number
:
'Stores the higher digit of the device
number
:
'Specifies word units as processing unit
:
'Fixed value
:
'Specifies internal relays (M)
:
'Specifies device number 0
:
'Stores the lower digit of the device number
:
'Stores the higher digit of the device
number
:
'Specifies bit units as processing unit
:
'Fixed value
:
'Specifies data registers (D)
:
'Specifies device number 8000
:
'Stores the lower digit of the device number
:
'Stores the higher digit of the device
number
:
'Specifies double-word units as processing
unit
:
'Fixed value
:
'Specifies the values to write
:
'Executes the write operation
:
'Splits into lower and higher digits
MELSEC-Q
11 - 333
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