Detailed description
2.12 Block descriptions
Power Line Basic PLC Program (P3)
2-112 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Example: Variable addressing
Reading of two R parameters from channel 1, whose address specifications are stored in
DB120 as the basic type. The R parameter number is parameterized via parameter LineX.
DATA_BLOCK DB 120
VERSION : 0.0
STRUCT
C1_RP_rpa0_0:
STRUCT
SYNTAX_ID : BYTE := B#16#82;
area_and_unit : byte := B#16#41;
column : word := W#16#1;
line : word := W#16#0;
block type : byte := B#16#15;
NO. OF LINES : BYTE := B#16#1;
type : byte := B#16#F;
length : byte := B#16#8;
END_STRUCT;
END_STRUCT;
BEGIN
END_DATA_BLOCK
CALL FB 2, DB 110 (
Req := M 0.0,
NumVar := 2,
Addr1 := "NCVAR".C1_RP_rpa0_0,
Line1 := W#16#1,
Addr2 := "NCVAR".C1_RP_rpa0_0,
Line2 := W#16#2,
Error := M 1.0,
NDR := M 1.1,
State := MW 2,
RD1 := P#M 4.0 REAL 1,
RD2 := P#M 24.0 REAL 1);
Data types
The data types of the NCK are listed in the NCVAR selector with the variables. The tables
below give the assignments to the S7 data types.
Classification of data types
NCK data type S7 data type
double REAL
float REAL
long DINT
integer DINT
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