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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
Program Example
(1) Program example for a format 1 control table
100 'A program example that reads buffer memory 1 of the intelligent functional module (Q68AD)
110 '(Starting address of Q68AD: &H80)
120 DIM TBL%(10),A%(20)
:
'Defines the arrays
130 TBL%(0)=255
:
'Specifies the station number to
communicate with to the local station
140 TBL%(1)=533
:
'Specifies to read buffer memory
150 TBL%(2)=&H9
:
'Specifies the starting I/O number
160 D!=&H94
:
'Specifies the buffer memory address
170 H!=INT(D!/65536!)
:
'Splits into lower and higher digits
180 L!=D!-H!*65536!
190 H$=RIGHT$("0000"+HEX$(H!),4)
200 L$=RIGHT$("0000"+HEX$(L!),4)
210 TBL%(3)=VAL("&H"+L$)
:
'Stores the lower digit of the buffer memory
address
220 TBL%(4)=VAL("&H"+H$)
:
'Stores the higher digit of the buffer
memory address
230 TBL%(5)=2
:
'Specifies the number of points to be read
240 PCRD TBL%(),A%()
:
'Executes the read operation
250 PRINT "Digital output of CH1=";A%(0)
:
'Displays the result
260 END
