RS232 serial data kab tsis nyiam raug cais. Lawv tsis txhawb "ntau-poob" kev sib txuas zoo ib yam li qhov koj tab tom sim sim. Lawv tsis ua hauj lwm vim RS232 teeb liab theem cia siab tias tsuas yog ib tug receiver ntawm txhua sab thiab tus receiver muaj ib tug tshwj xeeb impedance.
Koj puas tuaj yeem faib qhov txuas txuas?
Serial Chaw nres nkoj Splitter tso cai koj faib lub cev cov chaw nres nkoj rau hauv ib qho xav tau ntawm cov chaw nres nkoj virtual COM. … Nws txhais tau hais tias qhov chaw nres nkoj virtual tuaj yeem muaj tib lub npe raws li lub cev COM chaw nres nkoj uas twb muaj lawm. Yog tias qhov sib tshooj virtual COM chaw nres nkoj raug tsim, nws yuav nkag mus siv tsis siv lub cev.
Puas RS232 ib nrab duplex?
RS232 yog full-duplex, RS485 yog ib nrab-duplex, thiab RS422 yog puv duplex. RS485 thiab RS232 tsuas yog lub cev raws tu qauv ntawm kev sib txuas lus (piv txwv li tus qauv interface), RS485 yog qhov sib txawv ntawm kev sib kis, RS232 yog hom kev sib kis ib leeg, tab sis qhov kev sib txuas lus tsis muaj qhov sib txawv ntau.
Puas yog RS232 obsolete?
Ob qhov kev sib tshuam qub tshaj plaws yog RS-232 thiab RS-485. Cov kev cuam tshuam qub txeeg qub teg tsis tau siv lossis txiav tawm, txawm li cas los xij. Ob leeg tseem muaj sia nyob thiab zoo hauv ntau daim ntawv thov. Lub hom phiaj tseem ceeb ntawm lub serial interface yog muab ib txoj hauv kev rau cov ntaub ntawv kis tau tus mob wirelessly lossis hla ib kab.
RS232 kis tau deb npaum li cas?
Qhov siab tshaj plaws uas koj tuaj yeem ntseeg tau khiav RS-232 cov cim yog 40-50 ko taw. Yog kojmuaj ib lub cuab yeej ntau dua 50 ko taw los ntawm cov txheej txheem kev daws teeb meem yog siv ST-COM module.
