Detailed description
2.12 Block descriptions
Basic logic functions: PLC basic program solution line (P3 sl)
174 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Description of formal parameters
The table below lists all formal parameters of the Diagnostics function:
Formal parameters of diagnostics function
Signal Type Type Value range Remark
Func I INT 0, 1, 2 Function
0: Deactivate
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
VAR 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