Detailed description
2.12 Block descriptions
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
115
Parameterization of FB 2 with instance DB 110:
DATA_BLOCK DB 110
//Unassigned user DB, as instance for FB 2
FB 2
BEGIN
END_DATA_BLOCK
Function FC "VariablenCall": VOID
U I 7.7; //Unassigned machine control panel key
S M 100.0; //Activate req.
U M 100.1; //NDR completed message
R M 100.0; //Terminate job
U I 7.6; //Manual error acknowledgment
U M 102.0; //Error pending
R M 100.0; //Terminate job
CALL FB 2, DB 110 (
Req := M 100.0,
NumVar := 3, //Read 3 variables
Addr1 := NCVAR.C1AxConfMachAxUsed1,
Addr2 := NCVAR.C1AxConfMachAxUsed2,
Addr3 := NCVAR.C1SpindDefMasterSpind,
Error := M102.0,
NDR := M100.1,
State := MW104,
RD1 := P#DB99.DBX0.0 BYTE 1,
RD2 := P#DB99.DBX1.0 BYTE 1,
RD3 := P#M110.0 INT 1);
Example Variable addressing
Reading of two R parameters of channel 1, whose address specifications are stored in DB
120 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;