1. Kev ntseeg siab thiab tiv thaiv txheej txheem: Txhua cov ntaub ntawv xa mus raws Hamming nrug HD=4. Tus qhev DP muaj Cov Kws Saib Xyuas Sijhawm (Saib Xyuas Lub Sijhawm). Nkag mus rau kev tiv thaiv rau cov tawm tswv yim / tawm ntawm DP tus qhev. Cov neeg siv cov ntaub ntawv xa mus saib xyuas nrog lub sijhawm sib txawv ntawm lub chaw nres tsheb DP master.
2. Ntaus ntaus ntawv: Hom thib ob ntawm DP master (DPM2) yog cov khoom siv uas tuaj yeem ua tau programmed, kev teeb tsa thiab kuaj pom tseeb. Thawj hom DP master chaw nres tsheb (DPM1) yog qhov nruab nrab tswj hwm kev tswj hwm, xws li PLC.PC thiab lwm yam. DP qhev yog tus neeg tsav tsheb nrog cov nqi binary lossis cov tswv yim analog thiab cov khoom siv, tso tawm, thiab lwm yam.
