Mara waya Accelerometer da Surface Zazzabi Sensor
Wireless Accelerometer kuma
Sensor Zazzabi na saman

Saukewa: R718E
Manual mai amfani

Copyright©Netvox Technology Co., Ltd.
Wannan takaddar tana ƙunshe da bayanan fasaha na mallakar mallakar mallakar NETVOX Fasaha. Za a kiyaye shi cikin aminci kuma ba za a bayyana shi ga wasu ɓangarorin ba, gaba ɗaya ko sashi, ba tare da rubutaccen izinin fasahar NETVOX ba. Bayanai na iya canzawa ba tare da sanarwa ba.

Gabatarwa

An gano R718E azaman na'urar LoRaWAN ClassA tare da haɓaka axis uku, zazzabi, da dacewa tare da ka'idar LoRaWAN.
Lokacin da na'urar ta motsa ko ta yi rawar jiki a kan ƙimar ƙofar, nan da nan tana ba da rahoton yanayin zafi, hanzari, da sauri na gatura X, Y, da Z.

Fasaha mara waya ta LoRa:
Lora fasaha ce ta sadarwa mara waya wacce aka keɓe don dogon nesa da ƙarancin wutar lantarki. Idan aka kwatanta da sauran hanyoyin sadarwa, LoRa yaɗa hanyar daidaita yanayin bakan yana ƙaruwa sosai don faɗaɗa nisan sadarwa.
Ana amfani da shi sosai a cikin nesa, sadarwa mara ƙarancin bayanai. Domin misaliample, karatun mita na atomatik, gina kayan aikin sarrafa kai, tsarin tsaro mara waya, sa ido kan masana'antu. Babban fasalulluka sun haɗa da ƙaramin girma, ƙarancin wutar lantarki, nisan watsawa, ikon hana tsangwama, da sauransu.

LoRaWAN:
Loorwan yana amfani da fasaha na Lora don ayyana daidaitattun bayanai don-ƙarshen ƙa'idodin bayanai don tabbatar da ma'amala tsakanin na'urori da kuma ƙofofin daga masana'antun daban-daban.

Bayyanar

 Babban Siffofin

• Aiwatar da tsarin sadarwar mara waya ta SX1276
• 2 sassan ER14505 3.6V Lithium AA girman baturi
• Gano hanzari da saurin gatari X, Y, da Z
• An haɗe tushe tare da maganadisu wanda za'a iya haɗawa da wani abu na ferromagnetic
• Matakin kariya IP65/IP67 (na zaɓi)
•  Mai jituwa tare da LoRaWANTMClass A
• Mitar-hopping yada fasahar bakan
• Za'a iya saita sigogin daidaitawa ta hanyar dandamali na software na ɓangare na uku, ana iya karanta bayanai kuma ana iya saita ƙararrawa ta hanyar saƙon SMS da imel (na zaɓi)
• Akwai dandamali na ɓangare na uku: Actility / ThingPark, TTN, MyDevices / Cayenne
• Rashin wutar lantarki da tsawon rayuwar batir:
  Da fatan za a koma zuwa web: http://www.netvox.com.tw/electric/electric_calc.html
  Akan wannan webrukunin yanar gizon, masu amfani za su iya samun rayuwar baturi don samfura daban-daban a wurare daban-daban.

1. Haƙiƙanin kewayo na iya bambanta dangane da muhalli.
2. An ƙaddara rayuwar batir ta mitar rahoton firikwensin da sauran masu canji.

Saita Umarni

Kunna/Kashe

A kunne	Saka batura. (masu amfani na iya buƙatar screwdriver don buɗewa)
Kunna	Latsa ka riƙe maɓallin aikin na tsawon daƙiƙa 3 har sai alamar kore ta yi walƙiya sau ɗaya.
Kashe (Mayar zuwa saitin masana'anta)	Latsa ka riƙe maɓallin aiki na daƙiƙa 5, kuma alamar koren tana walƙiya sau 20.
A kashe wuta	Cire batura.
Lura:	1. Cire kuma saka baturin; na'urar tana kashewa ta tsohuwa. 2. An ba da shawarar tazarar kunnawa/kashe ya zama kusan daƙiƙa 10 don guje wa tsangwama na inductance capacitor da sauran abubuwan ajiyar makamashi. 3. Na farko 5 seconds bayan kunnawa, na'urar za ta kasance a cikin yanayin gwajin injiniya.

 

 

Haɗin Intanet

Kar a taɓa shiga hanyar sadarwar	Kunna na'urar don bincika hanyar sadarwa. Alamar kore tana kan daƙiƙa 5: nasara Alamar kore ta kasance a kashe: kasa
Da shiga cibiyar sadarwa	Kunna na'urar don bincika cibiyar sadarwar da ta gabata. Alamar kore tana kan daƙiƙa 5: nasara Alamar kore ta kasance a kashe: kasa

Maɓallin Aiki 

Latsa ka riƙe don 5 seconds	Mayar da saitin masana'anta / Kashe Alamar kore tana walƙiya sau 20: nasara Alamar kore ta kasance a kashe: kasa
Danna sau ɗaya	Na'urar tana cikin cibiyar sadarwa: kore mai nuna alama yana walƙiya sau ɗaya kuma yana aika rahoto Na'urar ba ta cikin hanyar sadarwa: alamar kore tana nan a kashe

Yanayin bacci

Na'urar tana kunne da cikin cibiyar sadarwa

Lokacin bacci: Min tazara. Lokacin da canjin rahoton ya zarce ƙimar saiti ko jihar ta canza: aika rahoton bayanai bisa ga Tazarar Min.

Ƙananan Voltage Gargadi 

Ƙananan Voltage

3.2V

Rahoton Bayanai

Nan da nan na'urar za ta aika rahoton fakitin sigar tare da fakitin haɓakawa guda biyu da suka haɗa da zazzabi, voltage, haɓakawa da saurin gatari X, Y, da Z.
Tazara tsakanin waɗannan fakiti biyun zai zama daƙiƙa 10.
Na'urar tana aika bayanai a saitin tsoho kafin a yi kowane saiti.

Saitin tsoho:
MaxTime: Matsakaicin Tazara = 60 min = 3600s
MinTime: Matsakaicin Tazara = 60 min = 3600s
Canjin baturi = 0x01 (0.1v)
Canjin Haɗawa = 0x0003
Matsayi mai aiki = 0x0003
InActiveThreshold = 0x0002
RestoreReportSet = 0x00 (KADA KA bayar da rahoto lokacin dawo da firikwensin)

Hanzarta axis uku da sauri:
Idan hanzarin axis uku na na'urar ya wuce ActiveThreshold, za a aika rahoto nan da nan. Bayan an ba da rahoton haɓakawar axis guda uku da sauri, haɓakar axis uku na na'urar yana buƙatar zama ƙasa da InActiveThreshold, tsawon lokaci ya fi 5s (ba za a iya canza shi ba), kuma girgizar ta tsaya gaba ɗaya, gano na gaba zai fara. Idan girgizar ta ci gaba yayin wannan aikin bayan aika rahoton, lokacin zai sake farawa. Na'urar tana aika fakiti biyu na bayanai. Daya shine hanzarin gatura guda uku, ɗayan kuma shine saurin gatari uku da zafin jiki. Tsakanin fakitin biyu shine 10s.

Lura:
(1) Za a tsara tazarar rahoton na'urar dangane da tsayayyen firmware wanda zai iya bambanta.
(2) Tazara tsakanin rahotanni biyu dole ne ya zama mafi ƙarancin lokacin.
Da fatan za a koma zuwa Takardun Umurnin Aikace-aikacen Netvox LoRaWAN da Netvox Lora Command Resolver http://loraresolver.netvoxcloud.com:8888/page/index don warware uplink data.

Tsarin rahoton bayanai da lokacin aikawa sune kamar haka:

Min Tazara (Raka'a: na biyu)	Max Tazara (Raka'a: na biyu)	Canjin da za a iya ba da rahoto	Halin Yanzu> Canjin da za a iya ba da rahoto	Canji na Yanzu < Canjin da za'a iya ruwaitowa
Kowane lamba tsakanin 1-65535	Kowane lamba tsakanin 1-65535	Ba za a iya zama 0 ba.	Rahoton Eger Min Tazara	Rahoto ta Tsawon Lokaci

ActiveThreshold da InActiveThreshold

Formula	Ƙaddamar aiki (ko I nActiveThreshold) = Ƙimar Mahimmanci - 9.8 - 0.0625 * Haɓakar nauyi a daidaitaccen yanayin yanayi shine 9.8 m/s2 * Ma'aunin ma'aunin ma'aunin kofa shine 62.5 mg
Ƙaddamar aiki	Ana iya canza Ƙaddamar aiki ta ConfigureCmd Matsakaicin Matsakaicin aiki shine 0x0003-0x0OFF (tsoho shine 0x0003);
Ƙarfin Ƙarfi	Za a iya canza Ƙarfin Ƙarfin aiki ta ConfigureCmd Matsakaicin Ƙarfin Ƙarfin aiki shine 0x0002-0x0OFF (tsoho shine 0x0002)
Example	Tsammanin cewa an saita ƙima mai mahimmanci zuwa 10m/s2, Ƙaddamar da Aiki (ko Ƙarfin Ƙarfi) da za a saita shine 10/9.8/0.0625=16.32 Ƙaddamar aiki (ko InActiveThreshold) don saita lamba azaman 16. Lura: Lokacin daidaitawa, tabbatar da cewa Ƙaddamar da Aiki dole ne ta kasance mafi girma fiye da Ƙarfin Ƙarfi.

Daidaitawa

Accelerometer tsarin inji ne wanda ya ƙunshi abubuwan da za su iya motsawa cikin yardar kaina.
Waɗannan sassa masu motsi suna da matuƙar kula da damuwa na inji, nesa da na'urorin lantarki masu ƙarfi.
Matsakaicin 0g shine mahimmin ma'anar hanzari saboda yana bayyana tushen da ake amfani dashi don auna hanzari.
Bayan shigar da R718E, masu amfani suna buƙatar barin na'urar ta huta na minti 1, sannan kunna wuta. Bayan haka, kunna na'urar kuma jira na'urar ta ɗauki minti 1 don shiga cibiyar sadarwar. Bayan haka, na'urar za ta aiwatar da aikin ta atomatik.
Bayan daidaitawa, ƙimar haɓakar axis uku da aka ruwaito za ta kasance tsakanin 1m/s2
Lokacin da hanzari ya kasance tsakanin 1m/s2 kuma gudun yana cikin 160mm/s, ana iya yanke hukunci cewa na'urar tana tsaye.

Hanyar X, Y, Z-axis na R718E

Example na bayanai sanyi

FPort ： 0x07

Bytes	1	1	Var (Gyara = Baiti 9)
	cmdID	Nau'in Na'ura	NetvoxPayLoadData

CmdID- 1 bytes
Nau'in Na'ura- 1 byte – Nau'in Na'ura
NetvoxPayLoadData- var bytes (Max=9bytes)

Bayani

Na'ura

und ID

Na'ura Nau'in

NetvoxPayLoadData

Rahoton Config Req

R7Is11

Os 0 I

Farashin IC

Minime (2bytes Unit: s)

Maxime (Raka'a 2bytes)

Canjin baturi (I byte Unit0.1v)

Canjin Gaggawa (Raka'a 2byte: m/s2)

Ajiye (2Bytes, Kafaffen Ox00)

Matsayi (0x00_nasara)

Ajiye (8Bytes, Kafaffen Ox00)

Ox8 I

Rahoton Config Rp

Ajiye (9Bytes, Kafaffen Ox00)

0 x02

KarantaConfig RcportReq

Minime (Raka'a 2bytes)

Maxime (2bytes iyaka: s)

Canjin Baturi ( I byte Unit: 0.1v)

Canjin Gaggawa (Raka'a 2byte: m/s2)

Ajiye (2Bytes, Kafaffen Ox00)

sa,

KarantaConfig manema labarai

Ƙarƙashin aiki (2 Bytes)

InActiveThreshold (2 Bytes)

Adana 5Bytes, Kafaffen Ox00)

0 x03

SaitaActive ƘaddamarwaReq

Matsayi (0x00 nasara)

Ajiye (SBytes, Kafaffen Ox00)

0 x83

SaitaActive Matsakaicin Rsp

Ajiye (9Bytes, Kafaffen Ox00)

0 x04

SamunActive ƘaddamarwaReq

Ƙarfin aiki (2Bytes)

Ƙarfin Ƙarfi (2Bytes)

Ajiye (bytes, Kafaffen Ox00)

ba.;

SamunActive Matsakaicin Rsp

1. Sanya sigogin na'ura MinTime = 1min, MaxTime = 1min, Canjin baturi = 0.1v, Canjin saurin sauri = 1m/s2
   Downlink: 011C003C003C0100010000 003C(Hex) = 60(Dec)
   Na'urar ta dawo: 811C000000000000000000 (tsari ya yi nasara)
   811C010000000000000000 (daidaituwar ta kasa)
2. Karanta sigogi na na'ura
   Saukewa: 021C000000000000000000
   Na'urar dawo da ita: 821C003C003C0100010000 (Sigar na'urar ta yanzu)
3. A ɗauka cewa an saita Ƙarfin Ƙarfin aiki zuwa 10m/s2, ƙimar da za a saita shine 10/9.8/0.0625=16.32, kuma ƙimar ƙarshe da aka samu ita ce lamba kuma an saita ta azaman 16.
   Tsammanin cewa Ƙimar InActive an saita zuwa 8m/s2, ƙimar da za a saita ita ce 8/9.8/0.0625=13.06, kuma ƙimar ƙarshe da aka samu ita ce lamba kuma an saita ta azaman 13.
   Sanya sigogi na na'ura ActiveThreshold=16, InActiveThreshold=13
   Saukewa: 031C0010000D0000000000
   Na'urar ta dawo: 831C000000000000000000 (tsari ya yi nasara)
   831C010000000000000000 (daidaituwar ta kasa)
   Karanta sigogi na na'ura
   Saukewa: 041C000000000000000000
   Na'urar dawo da ita: 841C0010000D0000000000 (madaidaicin na'ura na yanzu)

   SaitaRestore RahotonReq	R718E	0 x07	0x1c ku	RestoreReportSet(1byte) 0x00_KADA KA bayar da rahoton lokacin da firikwensin ya dawo, 0x01_DO rahoton lokacin da firikwensin ya dawo	An tanada (8Bytes, Kafaffen 0x00)
   SaitaRestore RahotonRsp		0 x87		Matsayi (0x00_success)	An tanada (8Bytes, Kafaffen 0x00)
   GetRestor ReportReq		0 x08		An tanada (9Bytes, Kafaffen 0x00)
   GetRestore ReportRsp		0 x88		RestoreReportSet(1byte) 0x00_KADA KA bayar da rahoton lokacin da aka dawo da firikwensin, 0x01_DO rahoton lokacin da firikwensin ya dawo	Ajiye (8Bytes, Kafaffen 0x00)

4. Sanya rahoton DO lokacin da firikwensin ya dawo (Lokacin da girgizar ta tsaya, R718E zai ba da rahoton fakitin haɓakawa)
   Saukewa: 071C010000000000000000
   Komawar na'urar: 871C000000000000000000 (nasara ta daidaitawa)
   871C010000000000000000 ( gazawar daidaitawa)
5. Karanta sigogi na na'ura
   Saukewa: 081C000000000000000000
   Komawar na'urar: 881C010000000000000000

Exampdon MinTime/MaxTime dabaru

Exampda #1 dangane da MinTime = Sa'a 1, MaxTime = Sa'a 1, Canjin da ake Rahoto watau BatteryVoltageChange = 0.1V

Lura: MaxTime=minTime. Za a ba da rahoton bayanai kawai bisa ga tsawon lokacin Maxime (MinTime) ba tare da la'akari da BatteryVol batageChange darajar.
Exampda #2 dangane da MinTime = Minti 15, MaxTime = Sa'a 1, Canjin Bayar da Rahoto watau BatteryVoltageChange = 0.1V.

Exampda #3 dangane da MinTime = Minti 15, MaxTime = Sa'a 1, Canjin Bayar da Rahoto watau BatteryVoltageChange = 0.1V.

Bayanan kula :

1. Na'urar tana farkawa kawai kuma tana yin sampling bisa ga MinTime Interval. Idan yana barci, ba ya tattara bayanai.
2. Ana kwatanta bayanan da aka tattara tare da bayanan ƙarshe da aka ruwaito. Idan bambancin bayanan ya fi ƙimar ReportableChange girma, na'urar tana yin rahoton gwargwadon tazarar MinTime. Idan bambancin bayanan bai fi bayanan ƙarshe da aka ruwaito ba, na'urar tana yin rahoton gwargwadon tazarar Maxime.
3.  Ba mu ba da shawarar saita ƙimar tazara ta MinTime tayi ƙasa da ƙasa ba. Idan MinTime Interval ya yi ƙasa sosai, na'urar tana farkawa akai-akai kuma baturin zai bushe nan ba da jimawa ba.
4. A duk lokacin da na'urar ta aika da rahoto, komai sakamakon bambancin bayanai, danna maɓalli, ko tazarar Maxime, ana fara wani zagayowar lissafin MinTime/Maxime.

Exampda Application

A cikin yanayin gano idan janareta yana aiki akai-akai, ana ba da shawarar shigar da R718E a kwance yayin da janareta ke kashe wuta kuma a tsaye. Bayan shigarwa da gyara R718E, da fatan za a kunna na'urar. Bayan an haɗa na'urar, bayan minti ɗaya, R718E zai yi aikin calibration na na'urar (na'urar ba za a iya motsa ta ba bayan an daidaita ta. sa'an nan kuma za a sake yin calibration). R1E zai buƙaci ɗan lokaci don tattara bayanan accelerometer mai axis uku & zazzabi na janareta yayin da yake aiki akai-akai. Bayanai na nuni ne ga saitunan ActiveThreshold & InActiveThreshold, kuma don bincika idan janareta yana aiki mara kyau.
A ɗauka cewa bayanan Accelerometer Z-Axis da aka tattara sun tsaya tsayin daka a 100m/s², kuskuren shine ±2m/s², ana iya saita ActiveThreshold zuwa 110m/s², kuma InActiveThreshold shine 104m/s².

Shigarwa

1. Wireless Accelerometer da Surface Temperature Sensor (R718E) yana da ginanniyar maganadisu Lokacin shigar da shi, ana iya haɗa shi zuwa saman wani abu da ƙarfe wanda ya dace da sauri. Don sanya shigarwar ya fi aminci, yi amfani da sukurori (sayi) don amintar da naúrar zuwa saman

Lura:
Kada a shigar da na'urar a cikin akwatin garkuwa na ƙarfe ko a cikin yanayi tare da wasu na'urorin lantarki a kusa da shi don gujewa shafar watsawar na'urar.

2. Kariyar Shiga:
Yayin shigarwa, ana ba da shawarar shigar da R718E a kwance yayin da janareta ke kashe wuta kuma yana cikin matsayi. Bayan shigarwa da gyara R718E, da fatan za a kunna na'urar. Bayan an haɗa na'urar, bayan minti ɗaya, R718E zai yi aikin calibration na na'urar (na'urar ba za a iya motsa ta ba bayan an daidaita ta. sa'an nan kuma za a sake yin calibration). R1E zai buƙaci ɗan lokaci don tattara bayanan accelerometer mai axis uku & zazzabi na janareta yayin da yake aiki akai-akai. Bayanai na nuni ne ga saitunan ActiveThreshold & InActiveThreshold, kuma don bincika idan janareta yana aiki mara kyau.

3. Lokacin da R718E ya gano bayanan accelerometer mai axis uku wanda ya wuce ActiveThreshold, R718E zai ba da rahoton bayanan da aka gano. Bayan aika bayanan accelerometer mai axis uku, bayanan accelerometer mai axis uku na na'urar yana buƙatar zama ƙasa da InActiveThreshold kuma tsawon lokacin ya zama sama da daƙiƙa 5 (ba za a iya canza shi ba) kafin gano na gaba.

Bayani:

• Yayin da bayanai na accelerometer mai axis uku na na'urar sun yi ƙasa da InActiveThreshold kuma tsawon lokacin ya zama ƙasa da daƙiƙa 5, a wannan lokacin, idan girgizar ta ci gaba (bayanin na'urar accelerometer mai axis uku ya fi InActiveThreshold girma). za a jinkirta don 5 seconds. Har sai bayanan accelerometer mai axis uku ya yi ƙasa da InActiveThreshold, kuma tsawon lokacin ya wuce 5 seconds.
• R718E zai aika fakiti guda biyu, ɗaya shine bayanan na'urar accelerometer mai axis uku, ɗayan kuma za a aika bayan daƙiƙa 10 tare da bayanan saurin axis uku & zafin jiki.

Lura:
Don Allah kar a sake haɗa na'urar sai dai idan ana buƙatar maye gurbin batura.
Kar a taɓa gasket mai hana ruwa, hasken nunin LED, maɓallan aiki lokacin maye gurbin batura. Da fatan za a yi amfani da na'urar da ta dace don ƙarfafa sukurori (idan ana amfani da sukudin lantarki, ana ba da shawarar saita juzu'i azaman 4kgf) don tabbatar da na'urar ba ta da ƙarfi.

Bayani game da Passiving Baturi

Yawancin na'urorin Netvox suna aiki da batir 3.6V ER14505 Li-SOCl2 (lithium-thionyl chloride) waɗanda ke ba da advan da yawa.tages ciki har da ƙarancin fitar da kai da yawan ƙarfin kuzari.
Koyaya, baturan lithium na farko kamar batirin Li-SOCl2 za su samar da Layer passivation a matsayin martani tsakanin lithium anode da thionyl chloride idan suna cikin ajiya na dogon lokaci ko kuma idan zazzabi ya yi yawa. Wannan lithium chloride Layer yana hana saurin fitar da kai wanda ya haifar da ci gaba da amsawa tsakanin lithium da thionyl chloride, amma wucewar baturi kuma na iya haifar da vol.tage jinkirta lokacin da batura suka fara aiki, kuma na'urorinmu na iya yin aiki daidai a wannan yanayin.
Sakamakon haka, da fatan za a tabbatar da samo batura daga amintattun dillalai, kuma yakamata a samar da batura a cikin watanni uku da suka gabata.
Idan fuskantar halin da ake ciki na wucewar baturi, masu amfani za su iya kunna baturin don kawar da juriyar baturi.

Don sanin ko baturi yana buƙatar kunnawa

Haɗa sabon baturi ER14505 zuwa resistor 68ohm a layi daya, kuma duba vol.tage na kewaye.
Idan voltage yana ƙasa da 3.3V, yana nufin baturi yana buƙatar kunnawa.

Yadda ake kunna baturin

a. Haɗa baturi zuwa resistor 68ohm a layi daya
b. Rike haɗin don 6 ~ 8 mintuna
c. Voltage na kewaye ya kamata ya zama ≧3.3V

Muhimmin Umarnin Kulawa

Da kyau kula da waɗannan abubuwan don cimma mafi kyawun kiyaye samfuran:

• Ci gaba da na'urar bushewa. Ruwan sama, danshi, ko wani ruwa, na iya ƙunsar ma'adanai don haka ya lalata hanyoyin lantarki. Idan na'urar ta jike, da fatan za a bushe ta gaba ɗaya.
• Kada a yi amfani da ko adana na'urar a cikin wuri mai ƙura ko ƙazanta. Yana iya lalata sassan da za a iya cirewa da kayan lantarki.
• Kada a adana na'urar a ƙarƙashin yanayin zafi da yawa. Yawan zafin jiki na iya rage rayuwar na'urorin lantarki, lalata batura, da lalata ko narke wasu sassan filastik.
• Kar a adana na'urar a wuraren da suka yi sanyi sosai. In ba haka ba, lokacin da zafin jiki ya tashi zuwa yanayin zafi na al'ada, danshi zai kasance a ciki, wanda zai lalata jirgin.
• Kar a jefa, ƙwanƙwasa ko girgiza na'urar. Karɓar kayan aiki na iya lalata allunan da'ira na ciki da kuma m
• Kar a tsaftace na'urar da sinadarai masu ƙarfi, kayan wanke-wanke, ko kuma masu ƙarfi.
• Kada a yi amfani da na'urar da fenti. Smudges na iya toshe na'urar kuma ya shafi aiki.
• Kada ka jefa baturin cikin wuta, ko baturin zai lalace batura na iya fashewa.

Duk abubuwan da ke sama sun shafi na'urarka, baturi, da na'urorin haɗi. Idan kowace na'ura ba ta aiki da kyau, da fatan za a kai ta wurin sabis mai izini mafi kusa don gyarawa.

Takardu / Albarkatu

netvox R718E Wireless Accelerometer da Surface Temperature Sensor [pdf] Manual mai amfani R718E, Wireless Accelerometer da Surface Zazzabi Sensor, R718E Wireless Accelerometer da Surface Zazzabi Sensor

Magana

• Manual mai amfani