Code
INT OFFSET, BCI
DECL STATE_T SR_T, SC_T
DECL MODUS_T MR_T
REAL TIMEOUT
MR_T=#ABS
TIMEOUT=10
OFFSET=0
COPEN(:SER_3,HANDLE)
IF(HANDLE==0) THEN
HALT
ENDIF
LOOP
IF($DATA_SER3>0)THEN
CREAD(HANDLE, SR_T, MR_T, TIMEOUT, OFFSET, "%r", BCI);
ENDIF
ENDLOOP
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after runnig code this error show:
no more data/variables available
and program break.