Function Call in ST

ModMast (EN := ModMast_EN,
         SLOT := ModMast_SLOT,
         IP_ADR := ModMast_IP_ADR,
         UNIT_ID := ModMast_UNIT_ID,
         FCT := ModMast_FCT,
         ADDR := ModMast_ADDR,
         NB := ModMast_NB,
         DATA := ADR(ModMast_DATA));


ModMast_DONE := ModMast.DONE;
ModMast_ERR := ModMast.ERR;


ModMast_ERNO := ModMast.ERNO;