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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 special function module (A68AD)
110 '(Starting address of A68AD: &H80)
120 DIM TBL%(5),A%(0)
:
'Defines arrays
130 TBL%(0)=255
:
'Specifies the station number to
communicate with to the local station
140 TBL%(1)=12
:
'Specifies to read buffer memory
150 TBL%(2)=&H9
:
'Specifies the module number
160 D!=&H94
:
'Specifies the buffer memory address
170 H!=INT(D!/65536!)
180 L!=D!-H!*65536!
190 H$=RIGHT$("0000"+HEX$(H!),4)
:
'Upper byte of the buffer memory address
200 L$=RIGHT$("0000"+HEX$(L!),4)
:
'Lower byte of the buffer memory address
210 TBL%(3)=VAL("&H"+L$)
:
'Stores the lower byte in the control table
220 TBL%(4)=VAL("&H"+H$)
:
'Stores the higher byte in the control table
230 TBL%(5)=2
:
'Specifies the number of bytes to be read
240 PCRD TBL%( ),A%( )
:
'Executes the read operation
250 PRINT "Digital output of CH1=";A%(0)
:
'Displays the result
260 END
(2) Program example for a format 2 control table
100 'A program example that reads buffer memory 1 of the special function module (A68AD)
110 '(Starting address of A68AD: &H80)
120 DIM TBL%(8),A%(0)
:
'Defines arrays
130 TBL%(0)=256
:
'Specifies a format 2 control table
140 TBL%(1)=1
:
'Specifies network number 1
150 TBL%(2)=1
:
'Specifies station number 1
140 TBL%(4)=12
:
'Specifies to read buffer memory
150 TBL%(5)=&H9
:
'Specifies the module number
160 D!=&H94
:
'Specifies the buffer memory addresses
170 H!=INT(D!/65536!)
180 L!=D!-H!*65536!
190 H$=RIGHT$("0000"+HEX$(H!),4)
:
'Upper byte of the buffer memory address
200 L$=RIGHT$("0000"+HEX$(L!),4)
:
'Lower byte of the buffer memory address
210 TBL%(6)=VAL("&H"+L$)
:
'Stores the lower byte in the control table
220 TBL%(7)=VAL("&H"+L$)
:
'Stores the higher byte in the control table
230 TBL%(8)=2
:
'Specifies the number of bytes to be read
240 PCRD TBL%( ),A%( )
:
'Executes the read operation
250 PRINT "Digital output of CH1=" ;A%(0)
:
'Displays the result
260 END
Содержание A1SD51S
Страница 183: ...11 13 11 13 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS RUN Before swap A 0 H924 A 1 H1159 After swap A 0 H1159 A 1 H924 OK...
Страница 331: ...11 161 11 161 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the CON ON OFF STOP and ZOPEN functions and Section 7 4...
Страница 557: ...11 387 11 387 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the CHR SPACE and SPC functions...
Страница 629: ...11 459 11 459 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the ZOPEN ZSEND and ZCNTL instructions and Section 7 3 4...
Страница 645: ...11 475 11 475 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the ZEVENT ZSIGNAL and DEF ZEVENT instructions...