P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
996 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Description of formal parameters
The table below lists all formal parameters of the Diagnostics function:
Signal_5 : BOOL ;
Signal_6 : BOOL ;
Signal_7 : BOOL ;
Signal_8 : BOOL ;
Var1 : BYTE ;
Var2 : WORD ;
Var3 : WORD ;
END_STRUCT;
END_STRUCT;
BEGIN
END_DATA_BLOCK
Formal parameters of diagnostics function
Signal Type Type Value range Remark
Func I INT 0, 1, 2 Function
0: Switch off
1: Signal recorder
2: Data trigger
Parameters for function 1
Signal_1 to
Signal_8
I BOOL Bit signals checked for change
NewCycle I BOOL See the "Signal recorder" description above
Var1 I BYTE Additional value
Var2 I INT Additional value
Var3 I INT Additional value
BufDB I INT Ring buffer DB no.
ClearBuf I BOOL Delete ring buffer DB and reset pointer
BufAddr
BufAddr I/O INT Target area for read data
Parameters for function 2
DataAdr I POINTER Pointer to word to be tested
TestVal I WORD Comparison value
AndMask I WORD See description
TestIsTrue A BOOL Result of comparison
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