Ana amfani da kariyar POE ta hanyar sadarwa don kariyar wutar lantarki ta AC / DC da siginar cibiyar sadarwa na kayan aikin cibiyar sadarwa na POE, ta yadda za a iya shawo kan tasirin makamashin da aka samu ta hanyar karuwa, da kuma gabatar da makamashi a cikin ƙasa ta hanyar kebul na ƙasa. Haɗe-haɗen haɗaɗɗun ayyuka da yawa yana rage ƙimar kariya da wahalar shigarwa, adana sararin shigarwa, kuma yana inganta ingantaccen tasirin kariya na kyamara.
Mai kama walƙiya na sigina wani nau'in kariya ne na hawan jini, wanda shine muhimmin tsarin kariya na ciki. A cikin saurin bunƙasa fasahar sadarwa a yau, aikace-aikacen na'urar kariya ta walƙiya ya zama ruwan dare gama gari, kuma kowa yana da daraja sosai. Akwai nau'ikan masu kama walƙiya iri-iri, waɗanda yakamata a daidaita su daidai gwargwadon buƙatun da suka dace.
Kariyar siginar walƙiya ƙarancin matakin siginar siginar bayanai, gami da na'urar kariyar walƙiya ta USB, na'urar kariyar walƙiya ta karkace, na'urar kariya ta siginar siginar sadarwa, na'urar kariya ta walƙiya mai karɓar eriya, mai watsa shiri da na'urar kariya ta walƙiya.
(1) Kariyar farko na sigina
Twisted biyu na sigina kariyar (overvoltage kariya toshe) yana kare tsarin sigina da kayan aiki. Matsakaicin ƙarfin lantarki shine 100vac / DC, kuma matsakaicin fitarwa na yanzu ismax na kowane layi shine 10kA (8 ~ 20 A) μ s) Lokacin amsawa bai wuce 10ns ba.
Don layin wutar lantarki, layin sigina (analog da dijital), alal misali, 110VAC / DC don kayan aikin tarho; Layukan sarrafawa da kayan aiki da layin bayanai sune 12V DC / 8V AC da 24V DC / 15V AC. Za a shigar da mai kama walƙiya AD/kz-24. LH jerin na'urar kariya ta karuwa (a takaice: SPD, wanda aka fi sani da: mai kare surge, mai kamawa) ya dace da waɗannan masana'antu kamar kuɗin gwamnati da inshorar kwamfutar su, kwamfutar tasha, uwar garken modem da transceiver wacce kebul na jigilar 9,15 pim ko na USB m-sensing, m-teting na D style interface na'urar.lt's zai rage matsalar software da hardware don zuwa firgita bugun jini.
MISALI: LH-DB9 |
LH | Walƙiya ta ɗauki abin kariya |
DB9 | DB9; 9-finta; DB25; 25-fini |
Samfura |
LRWS-POE/100 |
|
|
Bangaren cibiyar sadarwa |
Sashin wutar lantarki |
Ƙimar wutar lantarki mai aiki Un |
5V |
48V |
Matsakaicin ci gaba da ƙarfin ƙarfin aiki Uc |
8V |
68V |
IL mai aiki na yanzu |
300mA |
2A |
Fitowar da ba a sani ba a cikin (8/20us) |
5KA |
|
Mafi girman fitarwa na yanzu Imax(8/20us) |
10 KA |
|
Matsayin kariya Sama |
≤15V |
≤110V |
Matsakaicin adadin watsawa Vs |
1000Mbps |
- |
Asarar shigarwa |
≤0.2dB |
- |
Lokacin amsa tA |
≤1ns |
|
Yanayin aiki T |
-40 ~ + 85 ℃ |
|
Kare ainihin waya |
1,2,3,6 |
(4,5), (7,8) |
1. Kafin a haɗa kirtani mai karewa zuwa kayan aiki masu kariya, dole ne a kashe wutar, kuma an hana yin aiki kai tsaye.
2. An shigar da shi a cikin layi tsakanin layin kayan aikin da aka karewa, haɗin haɗin haɗin gwiwar dole ne ya zama abin dogara, kuma mai karewa yana da alamun shigarwa (IN) da fitarwa (OUT). An haɗa tashar fitarwa zuwa kayan aiki masu kariya, kar a haɗa ta baya. In ba haka ba, za a lalata mai kariyar karuwa lokacin da walƙiya ta faɗo, kuma kayan aikin ba za su sami kariya da kyau ba (koma zuwa tsarin shigarwa da wayoyi).
3. Dole ne a haɗa waya ta ƙasa (PE) ta dogara da igiyar ƙasa na tsarin kariyar haɓaka, kuma tsayin daka dole ne ya zama mafi guntu don cimma sakamako mafi kyau na kariya.
4. Ya kamata a cire haɗin kayan aiki lokacin shigar da waya ta ƙasa don guje wa lalacewar kayan aiki saboda ƙaddamar da igiyoyi masu ƙarfi kamar walƙiya na lantarki daga ƙarshen waya na ƙasa.
5. Haɗa wayar ƙasa na mai karewa mai ƙarfi da harsashi na ƙarfe na kayan aiki zuwa mashaya mai tattara ƙasa.
6. A lokacin lokacin amfani, ya kamata a gwada mai karewa akai-akai. Idan ya gaza, yakamata a gyara shi ko a canza shi cikin lokaci don tabbatar da amincin kayan aikin da aka karewa.
7. Kada masu sana'a ba su wargaje shi ba.