Function Call in ST

SYSDIAG
       (EN := SYSDIAG_EN,
       SLOT:= SYSDIAG_SLOT,
       TYP := SYSDIAG_TYP);


SYSDIAG_DONE:= SYSDIAG.DONE;
SYSDIAG_ERR := SYSDIAG.ERR;
SYSDIAG_ERNO:= SYSDIAG.ERNO;
SYSDIAG_SLV := SYSDIAG.SLV;