P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
938
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
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.
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);
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,