Siemens SINUMERIK 840DE SL - Page 1078

Detailed description
2.12 Block descriptions
Power Line Basic PLC Program (P3)
2-166 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
FUNCTION_BLOCK FB 29
VAR_INPUT
Func : INT ; //Function number
//0 = No function, 1 = Signal recorder, 2 = Data trigger
Signal_1 : BOOL ;
Signal_2 : BOOL ;
Signal_3 : BOOL ;
Signal_4 : BOOL ;
Signal_5 : BOOL ;
Signal_6 : BOOL ;
Signal_7 : BOOL ;
Signal_8 : BOOL ;
NewCycle : BOOL ;
Var1 : BYTE ;
Var2 : INT ;
Var3 : INT ;
BufDB : INT ;
ClearBuf : BOOL ;
DataAdr : POINTER; //Area pointer to testing word
TestVal : WORD ; //Value for triggering
AndMask : WORD ; //AND mask to the testing word
END_VAR
VAR_OUTPUT
TestIsTrue : BOOL ;
END_VAR
VAR_IN_OUT:
BufAddr : INT ;
END_VAR
Structure for ring buffer
TITLE =
//Ring buffer DB for FB 29
VERSION : 1.0
STRUCT
Box: ARRAY [0 to 249 ] OF STRUCT //can be any size of this struct
Cycle : INT ; //Delta cycle to last storage in buffer
Signal_1 : BOOL ; //Signal names same as FB 29
Signal_2 : BOOL ;
Signal_3 : BOOL ;
Signal_4 : BOOL ;