Isishwankathelo
Ukuze kube lula kwaye kulula ukuqhagamshela ii-sensors kunye nee-actuators kwiimodyuli ze-S7-300 I/O
Ukugcina iingcingo xa kutshintshwa iimodyuli ("iingcingo ezisisigxina")
Ngokusebenzisa ikhowudi yoomatshini ukuze kuthintelwe iimpazamo xa kutshintshwa iimodyuli
Isicelo
Isixhumi esingaphambili sivumela uqhagamshelo olulula nolusebenziseka lula lwezinzwa kunye nee-actuators kwiimodyuli ze-I/O.
Ukusetyenziswa kwesixhumi esingaphambili:
Iimodyuli zedijithali kunye neze-analog I/O
Ii-CPU ezincinci ze-S7-300
Iza ngeendlela ezahlukeneyo ze-20-pin kunye ne-40-pin.
Uyilo
Isixhumi esingaphambili sixhunywe kwimodyuli kwaye sigqunywe lucango lwangaphambili. Xa kutshintshwa imodyuli, kususwa isixhumi esingaphambili kuphela, akukho mfuneko yokutshintsha zonke iingcingo ixesha elide. Ukuze kuthintelwe iimpazamo xa kutshintshwa iimodyuli, isixhumi esingaphambili sifakwa ikhowudi ngoomatshini xa siqala ukufakwa. Emva koko, singena kuphela kwiimodyuli zohlobo olufanayo. Oku kuthintela, umzekelo, ukuba isignali yokufaka ye-AC 230 V ixhunywe ngengozi kwimodyuli ye-DC 24 V.
Ukongeza, iiplagi "zinendawo yokuzibandakanya ngaphambi kokudibana". Kulapho iplagi ifakwa khona kwimodyuli ngaphambi kokuba kwenziwe uqhagamshelwano lombane. Isixhumi sibamba kwimodyuli kwaye emva koko sinokuxhunywa ngokulula ("isandla sesithathu"). Emva komsebenzi wokudibanisa, isixhumi sifakwa ngakumbi ukuze sikwazi ukunxibelelana.
Isixhumi esingaphambili siqulathe:
Iifowuni zoqhagamshelwano zonxibelelwano lweentambo.
Ukunciphisa uxinzelelo kwiintambo.
Seta kwakhona iqhosha lokuseta kwakhona isixhumi esingaphambili xa utshintsha imodyuli.
Ukufakwa kwento yokuncamathisela ikhowudi. Kukho izinto ezimbini zokukhowuda kwiimodyuli ezinesincamathiselo. Izincamathiselo ziyatshixeka xa isixhumi esingaphambili siqhagamshelwe okokuqala.
Isixhumi esingaphambili esineephini ezingama-40 siza nesikrufu sokutshixa ukuze sincamathisele kwaye sikhulule isixhumi xa sitshintsha imodyuli.
Iziqhagamshelo zangaphambili ziyafumaneka kwezi ndlela zilandelayo zoqhagamshelo:
Iziphelo zezikrufu
Iiterminal ezigcwele intwasahlobo