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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 extension file register data
110 DIM TBL%(10),A%(20)
:
'Defines arrays
120 TBL%(0)=255
:
'Specifies the station number to
communicate with to the local station
130 TBL%(1)=4
:
'Specifies to read extension file register
data
140 TBL%(2)=1
:
'Specifies the block number of the
extension file registers to be read
150 TBL%(3)=0
:
'Specifies the device number of the
extension file registers to be read
160 TBL%(4)=10
:
'Specifies the number of points to be read
170 PCRD TBL%( ),A%( )
:
'Executes the read operation
180 FOR I=0 TO 9
:
'Displays the data read
190 PRINT"A%(";I;" )=1";A%(I)
200 NEXT I
210 END
(2) Program example for a format 2 control table
100 ' A program example that reads extension file register data
110 DIM TBL%(10),A%(20)
:
'Defines arrays
120 TBL%(0)=256
:
'Specifies a format 2 control table
130 TBL%(1)=1
:
'Specifies network number 1
140 TBL%(2)=1
:
'Specifies station number 1
150 TBL%(4)=4
:
'Specifies to read extension file register
data
160 TBL%(5)=1
:
'Specifies the block number of the
extension file registers to be read
170 TBL%(6)=0
:
'Specifies the number of points to be read
180 TBL%(7)=10
:
'Specifies the number of points to be read
190 PCRD TBL%( ),A%( )
:
'Executes the read operation
200 FOR I=0 TO 9
:
'Displays the data read
210 PRINT"A%(";I;" )=";A%(I)
220 NEXT I
230 END
