P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
976 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
STRUCT
SYNTAX_ID : BYTE ;
area_and_unit : BYTE ;
column : WORD ;
line : WORD ;
block type : BYTE ;
NO. OF LINES : BYTE ;
type : BYTE ;
length : BYTE ;
END_STRUCT;
string_of_GUD : STRING[30]; // must at least be so long as
// the definition of 'GUD_STRING'!
new_name : STRING[30] := 'GUD_123';
END_STRUCT;
BEGIN
END_DATA_BLOCK
//Unassigned user DB, as instance for FB 5
DATA_BLOCK DB 111
FB 5
BEGIN
END_DATA_BLOCK
//Unassigned user DB, as instance for FB 3
DATA_BLOCK DB 112
FB 3
BEGIN
END_DATA_BLOCK
//A user-defined channel variable from channel 1 must be read
//with conversion into a variable pointer to allow subsequent
//writing of this variable.
Function FC "VariablenCall" : VOID
U I 7.7; //Unassigned machine control panel key
S M 100.0; //Activate req.
U M 100.1; //Done 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
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