Table of Contents
Advertisement
11 INSTRUCTIONS AND FUNCTIONS
(2) Program example for a format 2 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%(20),A%(10)
130 TBL%(0)=256
140 TBL%(1)=1
150 TBL%(2)=1
160 TBL%(4)=533
170 TBL%(5)=&H9
180 D!=&H94
190 H!=INT(D!/65536!)
200 L!=D!-H!*65536!
210 H$=RIGHT$("0000"+HEX$(H!),4)
220 L$=RIGHT$("0000"+HEX$(L!),4)
230 TBL%(6)=VAL("&H"+L$)
240 TBL%(7)=VAL("&H"+H$)
250 TBL%(8)=2
260 PCRD TBL%(),A%()
270 PRINT "Digital output of CH1=";A%(0)
280 END
11 - 254
:
'Define arrays
:
'Specifies a format 2 control table
:
'Specifies network number 1
:
'Specifies station number 1
:
'Specifies to read buffer memory
:
'Specifies the starting I/O number
:
'Specifies the buffer memory address
:
'Splits into lower and higher digits
:
'Stores the lower digit of the buffer memory
address
:
'Stores the higher digit of the buffer
memory address
:
'Specifies the number of points to be read
:
'Executes the read operation
:
'Displays the result
MELSEC-Q
11 - 254
Advertisement
Table of Contents
