RS-485 ndi njira yolumikizirana ya differential signaling, theka la duplex multi-point communication standard, nthawi zambiri imagwiritsa ntchito zingwe ziwiri zopindika (zingwe ziwiri zazikulu) potumiza deta. Njira zolumikizira mwatsatanetsatane polumikiza chipangizo cholumikizira ku mawonekedwe a RS-485 aMoxachipangizochi ndi ichi:
Gawo 1: Tsimikizani Chiyankhulo cha Chipangizo ndi Matanthauzidwe a Pin
Matanthauzidwe a ma pin amatha kusiyana pakati pa mitundu yosiyanasiyana ya zida. Ndikofunikira kulankhulana ndi wopanga woyenera kuti mutsimikizire matanthauzidwe olondola a ma pin musanalumikizane!
MOXAZogulitsa makamaka zimakhala ndi mitundu itatu iyi ya madoko otsatizana:
Ma waya a DB 9 interface ndi mitundu yoyenera ndi awa:
Ma waya a RJ 45 interface ndi mitundu yoyenera ndi awa:
Ma waya olumikizirana ndi ma terminal interface ndi mitundu yoyenera ndi awa:
Gawo 2: Lumikizani Pogwiritsa Ntchito Zingwe
Chitsanzo 1: Kulumikiza chipangizo cha Moxa ku chipangizo chimodzi cha RS-485. Mukalumikiza chipangizo cha Moxa ndi chipangizo chotsatizana, lumikizani ma pin abwino (B) ku ma pin abwino (B) ndi ma pin oipa (A) ku ma pin oipa (A).
Chitsanzo chachiwiri: Mukalumikiza chipangizo cha MOXA ku zipangizo zingapo za RS-485, muyenera kugwiritsa ntchito cholumikizira cha daisy-chain. Ma terminal onse a chipangizo cha A(+) amalumikizidwa motsatizana ndi mzere wabwino wa basi, ndipo ma terminal onse a chipangizo cha B(-) amalumikizidwa motsatizana ndi mzere wabwino wa basi.
Chitsanzo 3: Zotsutsa zomaliza ziyenera kuwonjezeredwa. Ngati NPort ili ndi chotsutsa chomaliza chomangidwa mkati (monga, chotsutsa chomaliza chomangidwa mkati cha NPort 5450 chingatsegulidwe kudzera mu switch ya DIP (nthawi zambiri SW 3 ndiye switch yotsutsa yomaliza), ndiye kuti chotsutsa chomaliza chokha ndicho chiyenera kuwonjezeredwa kumapeto kwa ulalo, monga momwe zasonyezedwera pachithunzi pansipa.
Chitsanzo 4: Ngati NPort ilibe choletsa kutha kwa magetsi chomangidwa mkati, chikhoza kuwonjezeredwa mbali zonse ziwiri za ulalo wa RS-485, ndi mawaya omwe akuwonetsedwa pachithunzichi pansipa.
Nthawi yotumizira: Epulo-29-2026