Mun yi cikakken samfurin majalisai. Haɗa PCBA a cikin keɓaɓɓun filastik tsari ne na yau da kullun.

Kamar taron PCB, Muna samar da kayan kwalliyar roba / sassan allura a cikin gida. Wannan yana bawa abokin cinikinmu babbar fa'ida dangane da ingancin sarrafawa, kawowa da kuma tsada.

Samun zurfin ilmi a cikin robobi / inje roba sun banbanta Fumax daga sauran tsarkakakkun masana'antar PCB. Abokan ciniki suna farin cikin samun cikakken maɓallin kewayawa don samfuran Fumax. Aiki tare da Fumax ya zama da sauki sosai daga farawa zuwa samfurin da aka gama.

Mafi yawan kayan aikin roba da muke aiki dasu sune ABS, PC, PC / ABS, PP, Nylon, PVDF, PVC, PPS, PS, HDPE, da sauransu ...

Mai zuwa binciken yanayin harka ne na samfur wanda ya kunshi allon PCB, robobi, wayoyi, masu hadawa, shirye-shirye, gwaji, kunshin… da sauransu har zuwa kayan karshe - a shirye suke su sayar. 

Plasitic box1
Plasitic box2

Janar samar masana'antu

Lambar mataki

Matakan masana'antu

Mataki na gwaji / dubawa

1

 

Dubawa mai shigowa

2

 

AR9331 shirye-shiryen ƙwaƙwalwa

3

Taron SMD

Duba taron SMD

4

Ta hanyar taron rami

AR7420 shirye-shiryen ƙwaƙwalwa

   

Gwajin PCBA

   

Duba gani

5

Taron inji

Duba gani

6

 

One-in

7

 

Hipot gwajin

8

 

Performance PLC gwajin

9

Alamu na bugawa

Duba gani

10

 

FAL bencin gwaji

11

Marufi

Fitarwa iko

12

 

Binciken waje

Cayyadaddun Masana'antu don Smart Master G3

1. TATTALIN ARZIKI

1.1 Gajerun kalmomi

AD Takaddun Amfani
AC Madadin Yanzu
APP Aikace-aikace
AOI Dubawa na atomatik
AQL Iyakar Ingantaccen Inganci
AUX AUXiliary
BOM Lissafin Kuɗi
KATSINA Kasuwanci Kashe Shata
CT Mai canzawa na yanzu
CPU Processungiyar sarrafawa ta tsakiya
DC Kai tsaye Yanzu
DVT Gwajin Ingancin Zane
ELE LABARAI
EMS Sabis na Masana'antu
ENIG Nickel Nutarwa Zinariya
ESD Wutar lantarki
FAL Layin Majalisar Karshe
IPC Connectungiyar Haɗa Masana'antun Kayan Lantarki, tsohuwar Cibiyar Nazarin Da'irori
LAN Yankin Yankin Yankin
LED Hasken Wutar Lantarki
MEC Rariya
MSL Matsanancin Matsi na Yanayi
NA Babu Mai Amfani
PCB Buga Circuit Board
PLC Sadarwar PowerLine
PV PhotoVoltaic
QAL Yawan
RDOC Bayanin DOCument
TAMBAYA Bukatun
SMD Na'urar Sanya Surface
SOC Tsarin A Chip
SUC Supply Sarkar
WAN Wide Area Network

 

Cayyadaddun Masana'antu don Smart Master G3

1.2 Canji

→   Takardun da aka jera a matsayin RDOC-XXX-NN

Inda "XXXX" na iya zama: SUC, QAL, PCB, ELE, MEC ko TST Inda "NN" shine lambar takaddar

→ Bukatun

An jera azaman REQ-XXX-NNNN

Inda "XXXX" na iya zama: SUC, QAL, PCB, ELE, MEC ko TST

Inda "NNNN" shine lambar abin da ake buƙata

→   An jera ƙananan assemban majalisu kamar MLSH-MG3-NN

Inda "NN" shine lambar karamin majalisar

1.3 Gudanar da sigar sarrafa takardu

Assembananan majalisu da takardu suna da sigar sigoginsu a cikin takaddar: FCM-0001-VVV

Firmwares suna da sigar sigogin su a cikin takaddar: FCL-0001-VVV

Inda "VVV" shine sigar takaddar.

Cayyadaddun Masana'antu don Smart Master G3

2 Yanayi da abu

Wannan takaddun yana bawa Smart Master G3 bukatun masana'antu.

Smart Master G3 wanda aka sanya shi a gaba azaman “samfuri”, shine haɗakar abubuwa da yawa azaman kayan lantarki da kayan aikin injiniya amma ya kasance galibi tsarin lantarki. Wannan shine dalilin da yasa Mylight Systems (MLS) ke neman Sabis ɗin Maƙerin Lantarki (EMS) don gudanar da masana'antar gabaɗaya.

Wannan takaddar dole ne ta ba ɗan kwangila damar ba Mylight Systems tayin duniya game da ƙirar samfurin.

Neman wannan takaddar shine:

- Ba da bayanan fasaha game da ƙirar samfurin,

- Bada buƙatun inganci don tabbatar da daidaiton samfurin,

- Bada bukatun hanyoyin samarda kayayyaki don tabbatar da tsada da tsadar kayan aiki.

Thewararren ɗan kwangilar EMS dole ne ya amsa zuwa 100% na bukatun wannan takaddar.

Babu buƙatun da za a iya canzawa ba tare da yarjejeniyar MLS ba.

Wasu buƙatu (sanya alama azaman “tambayar EMS”) nemi mai ƙaramin aiki ya ba da amsa ga batun fasaha, kamar sarrafa ingancin ko marufi. Waɗannan buƙatun ana buɗe su a buɗe ga mai ba da kwangila na EMS don bayar da shawarar ɗaya ko da yawa amsoshi. MLS sannan za ta inganta amsar.

MLS dole ne ya kasance yana cikin alaƙar kai tsaye tare da zaɓaɓɓen ɗan kwangilar EMS, amma ƙaramin EMS na iya zaɓar da sarrafa kansa wasu ƙananan kamfanoni tare da amincewar MLS.

Cayyadaddun Masana'antu don Smart Master G3

3 Tsarin rushewar majalisa

3.1 MG3-100A

Plasitic box3

Cayyadaddun Masana'antu don Smart Master G3

4 Gudanarwar masana'antu gabaɗaya

Lambar mataki

Matakan masana'antu

Mataki na gwaji / dubawa

     

1

 

Dubawa mai shigowa

     

2

 

AR9331 shirye-shiryen ƙwaƙwalwa

     

3

Taron SMD

Duba taron SMD

     

4

Taron Throughole

AR7420 shirye-shiryen ƙwaƙwalwa

   

Gwajin PCBA

   

Duba gani

     

5

Taron inji

Duba gani

     

6

 

One-in

     

7

 

Hipot gwajin

     

8

 

Performance PLC gwajin

     

9

Alamu na bugawa

Duba gani

     

10

 

FAL bencin gwaji

     

11

Marufi

Fitarwa iko

     

12

 

Binciken waje

 

Cayyadaddun Masana'antu don Smart Master G3

5 Abubuwan buƙatun sarkar

Takaddun kayan aiki
NASIHA BAYANI
RDOC-SUC-1. PLD-0013-CT bincike 100A
RDOC-SUC-2. MLSH-MG3-25-MG3 hannun riga
RDOC-SUC-3. NTI-0001-Sanarwa akan shigar MG3
RDOC-SUC-4. GEF-0003-Gerber fayil na hukumar AR9331 na MG3

REQ-SUC-0010: Tsari

Wanda aka zaɓa ɗan kwangila zai iya yin samfuran 10K a cikin wata.

REQ-SUC-0020: Marufi

(Tambayar EMS)

Kunshin jigilar kayayyaki yana ƙarƙashin nauyin ƙananan oran kwangila.

Dole ne jigilar jigilar kayayyaki ta ba da izinin jigilar kayayyakin ta teku, iska da hanyoyi.

Dole ne a bayar da kwatancen jigilar kayan zuwa MLS.

Dole ne a haɗa jigilar kaya (duba hoto 2):

- Samfurin MG3

- 1 misali kartani (misali: 163x135x105cm)

- Kariyar katanga ta ciki

- 1 kyakkyawa hannun riga (fuskoki 4) tare da tambarin Mylight da bayanai daban-daban. Duba RDOC-SUC-2.

- Binciken 3 CT. Duba RDOC-SUC-1

- 1 Ethernet na USB: kebul mai laushi, 3m, ROHS, ware 300V, Cat 5E ko 6, CE, 60 ° c mafi ƙaranci

- 1 Bayanin fasahaRDOC-SUC-3

- 1 lambar waje tare da bayanan ganewa (rubutu da lambar mashaya): Bayani, Lambar Serial, adireshin PLC MAC

- Kariyar jakar filastik idan zai yiwu (don tattaunawa)

Finished Product4

Cayyadaddun Masana'antu don Smart Master G3

Finished Product5

Hoto na 2. Misalin marufi

REQ-SUC-0022: Babban nau'in marufi

(Tambayar EMS)

Aramin mai kwangila dole ne ya bayar da yadda fakitin ƙungiyar isarwa ke cikin manyan fakiti.

Matsakaicin adadin fakitin naúrar 2 25 ne a cikin babban katun.

Bayanin gano kowane ɗayan (tare da lambar QR) dole ne ya kasance mai bayyane tare da lakabin waje akan kowane babban kunshin.

REQ-SUC-0030: Kayan PCB

Mustaramin ɗan kwangila dole ne ya iya samarwa ko ƙera PCB.

REQ-SUC-0040: Kayan aikin inji

Mustaramin ɗan kwangila dole ne ya iya samarwa ko ƙera keɓaɓɓen filastik da dukkan sassan inji.

REQ-SUC-0050: Ana ba da kayan haɗin lantarki

Mustaramin ɗan kwangila dole ne ya iya samar da duk kayan lantarki.

REQ-SUC-0060: Zaɓin zaɓi mai wucewa

Don inganta tsada da hanyar dabaru, karamin kwangila na iya ba da shawarar nassoshin da za a yi amfani da su ga duk abubuwan haɗin da aka ƙayyade azaman “gama gari” a cikin RDOC-ELEC-3. Abubuwan wucewa dole ne suyi aiki da rukunin kwatancen RDOC-ELEC-3.

Duk abubuwan da aka zaɓa dole ne MLS ya inganta su.

REQ-SUC-0070: Kudin duniya

Dole ne a ba da ƙimar ƙimar EXW ta samfurin a cikin takaddun sadaukarwa kuma ana iya yin bita a kowace shekara.

REQ-SUC-0071: cikakken tsada

(Tambayar EMS)

Dole ne farashin ya zama cikakke tare da mafi ƙarancin:

- BOM na kowane taron lantarki, sassan inji

- Majalisai

- Gwaje-gwaje

- Marufi

- Kudin tsarin gini

- Yankuna

- Balaguro

- Kudin masana'antu: benci, kayan aiki, tsari, jerin jigogi…

REQ-SUC-0080: Karɓar fayil ɗin ƙira

Dole ne MLS ya kammala fayil ɗin masana'anta kuma ya karɓe shi kafin jerin samfuran da yawa.

REQ-SUC-0090: Canje-canjen fayil na ƙera abubuwa

Duk wani canji a cikin fayil ɗin masana'antu dole ne ya bayar da rahoto kuma ya karɓa ta MLS.

REQ-SUC-0100: Jagorar matashin jirgi

An nemi cancantar jerin kayayyaki 200 kafin fara samar da kayan masarufi.

Tsoffin lamuran da batutuwan da aka samo yayin wannan gwajin jirgin dole ne a sanar da su ga MLS.

REQ-SUC-0101: Gwajin gwajin aminci na jerin shirye-shirye

(Tambayar EMS)

Bayan ƙaddamar da kera Pilot, gwajin tabbatarwa, ko Gwajin Ingancin Zane (DVT) dole ne a yi shi da mafi ƙarancin:

- Saurin saurin zafin jiki -20 ° C / + 60 ° C

- Gwajin aikin PLC

- Ciki zafin jiki na ciki

- Faɗuwa

- Sauke gwaji

- Cikakken gwaje-gwajen aiki

- Maballin danniya gwaji

- Dogon lokaci ya ƙone ciki

- Farawa / zafi mai farawa

- Farawar zafi

- Hawan motsi

- Custom haši impedance dubawa

-…

Za a bayar da cikakken tsarin gwajin ta hanyar mai kwangila kuma dole ne MLS ya karɓa.

Duk gwajin da aka kasa dole ne a sanar dashi ga MLS.

REQ-SUC-0110: Tsarin masana'antu

Duk umarnin oda zai kasance tare da bayanan da ke kasa:

- Magana game da samfurin da aka tambaya

- Yawan kayayyakin

- Ma'anar marufi

- Farashi

- Fayil na sigar kayan aiki

- Fayil ɗin Firmware iri

- Fayil na keɓancewa (tare da adireshin MAC da lambobin serial)

Idan ɗayan waɗannan bayanan sun ɓace ko bayyane, EMS bazai fara fara aikin ba.

6 Bukatun Inganci

REQ-QUAL-0010: Adanawa

PCB, kayan aikin lantarki da majalisun lantarki dole ne a adana su cikin ɗumi da ɗakin da ake sarrafa yanayin zafin jiki:

- Yankin dangi a ƙasa da 10%

- Zazzabi tsakanin 20 ° C da 25 ° C.

Dole ne contan kwangilar ya sami tsarin sarrafa MSL kuma ya ba shi MLS.

TAMBAYA-QUAL-0020: MSL

PCB da abubuwa da yawa da aka gano a cikin BOM suna ƙarƙashin hanyoyin MSL.

Dole ne contan kwangilar ya sami tsarin sarrafa MSL kuma ya ba shi MLS.

REQ-QUAL-0030: RoHS / Reach

Dole ne samfurin ya zama yardawar RoHS.

Dole ne contan kwangila ya sanar da MLS duk wani abu da aka yi amfani da shi a samfurin.

Misali, dan kwangila dole ne ya sanar da MLS wanda ake amfani da manne / solder / cleaner.

REQ-QUAL-0050: qualityarancin kwangila

Dole ne contan kwangilar ya zama bokan ISO9001.

Dole ne contan kwangilar ya ba da takardar shaidar ISO9001.

REQ-QUAL-0051: Mai ingancin kwangila 2

Idan ƙaramin ractan kwangila yana aiki tare da wasu contan kwangila, dole ne kuma a tabbatar da su ISO9001.

TAMBAYA-QUAL-0060: ESD

Duk kayan haɗin lantarki da allon lantarki dole ne a sarrafa su tare da kariya ta ESD.

TAMBAYA-QUAL-0070: Tsaftacewa

(Tambayar EMS)

Dole ne a tsaftace allon lantarki idan an buƙata.

Tsaftacewa bazai lalata sassa masu mahimmanci ba kamar masu canza wuta, masu haɗawa, alamomi, maɓallan, masu yanke gashi ...

Dole ne contan kwangila ya ba MLS aikin tsabtace shi.

REQ-QUAL-0080: Dubawa mai shigowa

(Tambayar EMS)

Duk kayan haɗin lantarki da batirin PCB dole ne su sami duba mai shigowa tare da iyakokin AQL.

Dole ne sassan inji su kasance suna da girma mai shigowa tare da iyakokin AQL idan an fitar dasu.

Dole ne mai kwangila ya ba MLS hanyoyin sarrafa shi mai shigowa gami da iyakokin AQL.

REQ-QUAL-0090: Ikon sarrafa abubuwa

(Tambayar EMS)

Dole ne samfurin ya sami sarrafa fitarwa tare da ƙaramin samfurin bincike da iyakokin AQL.

Dole ne contan kwangilar ya ba MLS hanyoyin sarrafa shigarta ciki har da iyakokin AQL.

REQ-QAL-0100: Adana kayayyakin da aka ƙi

Kowane samfurin da bai ci gwaji ko iko ba, komai nau'in gwajin, dole ne a adana shi ta ƙaramar kwangila na MLS don Binciken Inganci.

REQ-QAL-0101: Bayanin samfuran da aka ƙi

Dole ne a sanar da MLS game da kowane taron da zai iya ƙirƙirar samfuran da aka ƙi.

Dole ne a sanar da MLS game da adadin samfuran da aka ƙi ko kowane rukuni.

REQ-QAL-0110: Rahoto kan Ingancin ƙira

Aramin ɗan kwangila na EMS dole ne ya ba da rahoto ga MLS don kowane rukunin samarwa yawancin kayayyakin da aka ƙi a kowane gwaji ko matakin sarrafawa.

REQ-QUAL-0120: Ganowa

Duk sarrafawa, gwaje-gwaje da dubawa dole ne a adana su da kwanan wata.

Dole ne a gano ɓoye sosai a kuma raba su.

Nassoshin da aka yi amfani da su a cikin kayayyakin dole ne a gano su (ainihin abin da ake magana da su)

Duk wani canji zuwa kowane tunani dole ne a sanar dashi ga MLS kafin aiwatarwa.

REQ-QUAL-0130: Kin Amincewa da Duniya

MLS na iya dawo da cikakken tsari idan kin amincewa saboda ɗan kwangilar ya fi 3% cikin ƙasa da shekaru 2.

REQ-QUAL-0140: Duba / dubawa na waje

An ba MLS damar ziyartar ƙaramar kwangila (gami da ƙananan kamfanonin da ke kanta) don tambayar rahotanni masu inganci da yin gwaje-gwajen bincike, aƙalla sau 2 a shekara ko don kowane samfurin samarwa. MLS na iya wakiltar wani kamfani na ɓangare na uku.

REQ-QUAL-0150: Binciken gani

(Tambayar EMS)

Samfurin yana da wasu abubuwan dubawa na gani waɗanda aka ambata a cikin jigilar masana'antu gaba ɗaya.

Wadannan dubawa suna nufin:

- Duba zane

- Duba majalisun daidai

- Bincika alamun / lambobi

- Bincike na karce ko kuma duk wani tanadi na gani

- derarfafa ƙarfafawa

- Bincika abubuwan zafi a kusa da fis

- Duba kwatance na igiyoyi

- Dubawa na manne

- Duba wuraren narkewa

Dole ne mai kwangila ya ba MLS hanyoyin binciken Kayayyakin gani gami da iyakokin AQL.

REQ-QUAL-0160: Gudanarwar masana'antu gabaɗaya

Dole ne a girmama oda na kowane mataki na kwararar Janar masana'antu.

Idan saboda kowane irin dalili, misali gyarawa, dole ne a sake yin wani mataki, duk matakan da suka biyo baya dole ne a sake yin su musamman a gwajin Hipot da gwajin FAL.

7 PCBs bukatun

Samfurin ya ƙunshi nau'ikan PCB guda uku

Takaddun PCB
NASIHA BAYANI
RDOC-PCB-1. IPC-A-600 Yarda da Jirgin Ruwa
RDOC-PCB-2. GEF-0001-Gerber fayil na babban kwamitin MG3
RDOC-PCB-3. GEF-0002-Gerber fayil na AR7420 hukumar MG3
RDOC-PCB-4. GEF-0003-Gerber fayil na hukumar AR9331 na MG3
RDOC-PCB-5. IEC 60695-11-10: 2013: Gwajin haɗarin wuta - Sashe na 11-10: Harshen wuta - 50 W hanyoyin gwaji na kwance da na tsaye

REQ-PCB-0010: Halayen PCB

(Tambayar EMS)

Dole ne a mutunta manyan halayen da ke ƙasa

Halaye Dabi'u
Lambobi na yadudduka 4
Kaurin jan ƙarfe na waje 35µm / 1oz min
Girman PCBs 840x840x1.6mm (babban kwamiti), 348x326x1.2mm (hukumar AR7420),
  780x536x1mm (hukumar AR9331)
Kaurin jan karfe na ciki 17µm / 0.5oz min
Mafi qarancin keɓewa / hanya nisa 100µm
Mafi ƙarancin maskin maski 100µm
Mafi qarancin ta diamita 250µm (na inji)
Kayan PCB FR4
Mafi qarancin kauri tsakanin 200µm
yadudduka na jan ƙarfe na waje  
Matattarar fuska Ee a sama da kasa, fari launi
Soldermask Haka ne, kore a saman da ƙasa, kuma sama da duk bias
Finishingarshen fuska ENIG
PCB akan Kwamiti Ee, ana iya daidaita shi akan buƙata
Ta hanyar cikawa A'a
Aljihunan Solder akan hanyar Ee
Kayan aiki ROHS / GASKIYA /

REQ-PCB-0020: Gwajin PCB

Dole ne a rarrabe keɓaɓɓiyar raga da ɗabi'a 100%.

REQ-PCB-0030: Alamar PCB

Ana ba da izinin yin alama ta PCBs kawai a yankin da aka keɓe.

Dole ne a sanya PCBs tare da bayanan PCB, sigarta da kwanan watan masana'antu.

Dole ne a yi amfani da bayanin MLS.

REQ-PCB-0040: Fayilolin masana'antar PCB

Duba RDOC-PCB-2, RDOC-PCB-3, RDOC-PCB-4.

Yi hankali, halaye a cikin REQ-PCB-0010 sune manyan bayanai kuma dole ne a girmama su.

REQ-PCB-0050: Ingancin PCB

Bin IPC-A-600 aji 1. Duba RDOC-PCB-1.

REQ-PCB-0060: Rashin ƙarfi

Abubuwan da aka yi amfani da su a cikin PCB dole ne su kasance tare da CEI 60695-11-10 de V-1. Duba RDOC-PCB-5.

8 Haɗa bukatun lantarki

Dole ne a haɗa kwamiti na lantarki guda 3.

Takaddun lantarki
NASIHA Taken
RDOC-ELEC-1.  IPC-A-610 Yarda da Majalisun Lantarki
RDOC-ELEC-2. GEF-0001-Gerber fayil na babban kwamitin MG3 RDOC
ELEC-3. GEF-0002-Gerber fayil na hukumar AR7420 na MG3 RDOC
ELEC-4. GEF-0003-Gerber fayil na AR9331 hukumar MG3 RDOC
ELEC-5. BOM-0001-BOM na babban kwamitin MG3 RDOC-ELEC-6.
BOM-0002-BA Fayil BOM na hukumar AR7420 na MG3 RDOC-ELEC-7.
BOM-0003-BA Fayil BOM na AR9331 hukumar MG3
Finished Product6

Hoto na 3 Misali na allon lantarki da aka harhaɗa

SABA-ELEC-0010: BOM

Dole ne a mutunta BOM RDOC-ELEC-5, RDOC-ELEC-6, da RDOC-ELEC-7.

REQ-ELEC-0020: Majalisar na abubuwan SMD:

Dole ne a haɗa abubuwan SMD tare da layin taron atomatik.

Duba RDOC-ELEC-2, RDOC-ELEC-3, RDOC-ELEC-4.

REQ-ELEC-0030: Taro ta hanyar ramin rami:

Ta hanyar abubuwan rami dole ne a ɗora su tare da zaɓin igiyar ruwa ko da hannu.

Dole ne a yanke ragowar fil ƙasa da 3mm na tsayi.

Duba RDOC-ELEC-2, RDOC-ELEC-3, RDOC-ELEC-4.

REQ-ELEC-0040: derara ƙarfin ƙarfafawa

Derarfafa ƙarfin dole ne a yi ƙasa da gudun ba da sanda.

Finished Product7

Hoto na 4. derara ƙarfin ƙarfafa akan babban allon ƙasa

REQ-ELEC-0050: Sharfin zafi

Firs (F2, F5, F6 akan babban jirgi) dole ne su sami ƙarancin zafi don kauce wa sassan ciki da za a yi musu allura a cikin shingen idan yanayin ya wuce gona da iri.

Finished Product8

Hoto na 5. Yankan zafi yana zagaye fis

REQ-ELEC-0060: Kariyar roba

Babu buƙatar kariya ta roba.

REQ-ELEC-0070: CT ya bincika masu haɗawa

Dole ne a haɗa mahaɗan bincike na CT mata ta hannu da babban kwamiti kamar yadda yake a cikin hoton da ke ƙasa.

Yi amfani da mahimmin mahaɗin MLSH-MG3-21.

Kula da launi da kuma shugabancin kebul.

Finished Product9

Hoto na 6. Haɗin haɗin haɗin CT

REQ-ELEC-0071: CT sun bincika mahaɗan manne

Ana buƙatar ƙara manne a kan mahaɗin binciken CT don kare su daga faɗakarwar vibration / ƙarancin masana'antu.

Duba hoto a ƙasa.

Bayanin manne yana cikin RDOC-ELEC-5.

Finished Product10

Hoto na 7. Manne kan masu binciken CT

REQ-ELEC-0080: Tropicalization:

Babu tambayar cin abinci.

REQ-ELEC-0090: Duba Majalisar AOI:

100% na kwamiti dole ne AOI dubawa (sayarwa, daidaitawa da alama).

Dole ne a bincika duk allon.

Dole ne a ba da cikakken shirin AOI ga MLS.

REQ-ELEC-0100: Abubuwan sarrafa abubuwa masu wucewa:

Dole ne a bincika duk abubuwan haɗin gwiwa kafin yin rahoto game da PCB, aƙalla tare da bincika gani na mutum.

Dole ne a ba MLS cikakken tsarin sarrafa kayan aikin wucewa.

REQ-ELEC-0110: X ray dubawa:

Babu tambayar rayukan rayukan X amma ana sake zagayowar zafin jiki da gwajin aiki don kowane canji cikin tsarin taron SMD.

Dole ne a yi gwajin zagayen zafin jiki don kowane gwajin samarwa tare da iyakokin AQL.

REQ-ELEC-0120: Sake yin aiki:

Ana ba da izinin sake yin aikin hannu na allon lantarki don duk abubuwan haɗin banda maƙirarin lamba: U21 / U22 (hukumar AR7420), U3 / U1 / U11 (hukumar AR9331).

An ba da izinin yin atomatik don duk abubuwan haɗin.

Idan samfur ya wargaje don yin sakewa saboda ya kasa akan bencin gwaji na ƙarshe, dole ne ya sake yin gwajin Hipot da gwajin ƙarshe.

REQ-ELEC-0130: 8pins haɗi tsakanin hukumar AR9331 da hukumar AR7420

Ana amfani da masu haɗa J10 don haɗa allon AR9331 da allon AR7420. Dole ne a yi wannan taron da hannu.

Tunanin mahaɗin don amfani shine MLSH-MG3-23.

Mai haɗawa yana da 2mm farar kuma tsayinsa 11mm.

Finished Product11

Hoto na 8. Waya da masu haɗawa tsakanin allon lantarki

REQ-ELEC-0140: 8pins haɗi tsakanin Babban jirgi da hukumar AR9331

Ana amfani da masu haɗa J12 don haɗa manyan katako da allon AR9331. Dole ne a yi wannan taron da hannu.

Bayanin kebul tare da masu haɗin 2 shine

Masu haɗin haɗin da aka yi amfani da su suna da farar 2mm kuma tsawon kebul ɗin ya kai 50mm.

REQ-ELEC-0150: 2pins haɗi tsakanin Babban jirgi da hukumar AR7420

Ana amfani da mai haɗa JP1 don haɗa babban allon zuwa hukumar AR7420. Dole ne a yi wannan taron da hannu.

Bayanin kebul tare da masu haɗin 2 shine

Tsawon kebul ɗin ya kai 50mm. Wayoyi dole ne a karkatar dasu kuma a kiyaye su / gyara su tare da raguwar zafi.

REQ-ELEC-0160: assemblyungiyar tarwatsa mai zafi

Babu mai amfani da na'urar dumama wuta da za'a yi amfani dashi akan guntu AR7420.

9 Abubuwan buƙatun kayan inji

Takaddun gidaje
NASIHA Taken
RDOC-MEC-1. PLD-0001-PLD na Babban Rufewa na MG3
RDOC-MEC-2. PLD-0002-PLD na carfafa ƙasan MG3
RDOC-MEC-3. PLD-0003-PLD na Haske saman MG3
RDOC-MEC-4. PLD-0004-PLD na Maballin 1 na MG3
RDOC-MEC-5. PLD-0005-PLD na Maballin 2 na MG3
RDOC-MEC-6. PLD-0006-PLD na Zunin MG3
RDOC-MEC-7. IEC 60695-11-10: 2013: Gwajin haɗarin wuta - Sashe na 11-10: Harshen wuta - 50 W a kwance kuma
  hanyoyin gwajin harshen wuta na tsaye
RDOC-MEC-8. IEC61010-2011 SHARUDDAN KARANCIN KARANTA WUTAN LANTARKI DOMIN AUNA,
  GASKIYA, DA AMFANI DA LABARI - SASHE NA 1: BUKATUN BUKATA
RDOC-MEC-9. IEC61010-1 2010: Bukatun tsaro don kayan lantarki don auna, sarrafawa,
  da kuma amfani da dakin gwaje-gwaje - Sashe na 1: Babban bukatun
RDOC-MEC-10. BOM-0016-BOM fayil na MG3-V3
   
RDOC-MEC-11. PLA-0004-Zanen Majalisar na MG3-V3
Finished Product12

Hoto 9. Fashewa daga MGE. Duba RDOC-MEC-11 da RDOC-MEC-10

9.1 Sassa

Akin inji yana ƙunshe da sassan filastik 6.

REQ-MEC-0010: Babban kariya daga wuta

(Tambayar EMS)

Dole ne sassan filastik suyi aiki da RDOC-MEC-8.

REQ-MEC-0020: Abubuwan kayan ɓangaren filastik dole ne ya zama mai lalata harshen wuta (Tambayar EMS)

Abubuwan da aka yi amfani da su don ɓangarorin filastik dole ne su sami V-2 ko kuma mafi kyau bisa ga RDOC-MEC-7.

TAMBAYA - MEC-0030: Abubuwan haɗin haɗi dole ne ya zama mai jinkirin wuta (Tambayar EMS)

Abubuwan da aka yi amfani dasu don ɓangarorin masu haɗawa dole ne su sami darajar V-2 ko mafi kyau bisa ga RDOC-MEC-7.

REQ-MEC-0040: Budewa a cikin inji

Dole ne ba ta da ramuka sai don:

- Masu haɗawa (dole ne su sami ƙasa da 0.5mm na aikin inji)

- Rami don sake saiti na Factory (1.5mm)

- Rami don watsawar zafin jiki (diamita na 1.5mm tazara daga 4mm mafi ƙarancin) kewaye da fuskokin masu haɗin Ethernet (duba adadi a ƙasa).

Finished Product13

Hoto na 10.Misali na ramuka a farfajiyar waje don watsawar ɗumi

REQ-MEC-0050: Launin sassan

Duk ɓangarorin robobi dole su zama farare ba tare da wasu buƙatu ba.

REQ-MEC-0060: Launin maɓallan

Buttons dole ne su zama shuɗi tare da inuwa iri ɗaya ta tambarin MLS.

SA-006: Zane

Dole ne gidaje su girmama tsare-tsaren RDOC-MEC-1, RDOC-MEC-2, RDOC-MEC-3, RDOC-MEC-4, RDOC-MEC-5, RDOC-MEC-6

SAKA-MEC-0080: Injection mold da kayan aiki

(Tambayar EMS)

An ba da izinin EMS don sarrafa cikakken tsari don allurar filastik.

Alamar shigar kayan roba / alamun ba dole bane a bayyane daga wajen samfurin.

9.2 Taron injiniya

REQ-MEC-0090: pipeungiyar bututu mai haske

Dole ne a haɗa bututun wuta ta amfani da tushen zafi akan wuraren narkewa.

Dole ne a narkar da farfajiyar waje kuma bayyane a cikin ramuka masu narkar da maki.

Finished Product14

Hoto na 11. Haske bututu da maɓallan majalisai tare da tushen zafi

REQ-MEC-0100: Maɓallan maɓallan

Dole ne a haɗa maballin ta amfani da tushe mai zafi akan wuraren narkewa.

Dole ne a narkar da farfajiyar waje kuma bayyane a cikin ramuka masu narkar da maki.

REQ-MEC-0110: Dunƙule a saman ƙofar

Ana amfani da sukurori 4 don gyara katangar AR9331 zuwa saman ƙofar. Duba RDOC-MEC-11.

An yi amfani da bayanin a cikin RDOC-MEC-10.

Dole ne ƙarfin juzu'in ya kasance tsakanin 3.0 da 3.8 kgf.cm.

REQ-MEC-0120: Matsaloli akan taron ƙasa

Ana amfani da sukurori 4 don gyara babban allon zuwa ƙofar ƙasa. Duba RDOC-MEC-11.

Ana yin amfani da dunƙule iri ɗaya don gyara katange tsakanin su.

An yi amfani da bayanin a cikin RDOC-MEC-10.

Dole ne karfin juzu'in ya kasance tsakanin 5.0 da 6 kgf.cm.

REQ-MEC-0130: Hanyar binciken haɗin CT ta hanyar ƙofar

Dole ne a gyara ɓangaren bango na mahaɗin binciken CT don haɗawa ba tare da tsunkule ba don ba da damar kyakkyawan yanayin kyawu da kuma ƙarfi a kan jan waya da ba a so.

Finished Product15

Hoto na 12. wallananan sassan bangon CT masu bincike

9.3 Allon siliki na waje

REQ-MEC-0140: Allon siliki na waje

Dole ne a yi silks ɗin ƙasa a saman ƙofar.

Finished Product16

Hoto na 13. Zanen siliki na waje don girmamawa

REQ-MEC-0141: Launi na silkscreen

Launi na silkscreen dole ne ya zama baƙi ban da tambarin MLS wanda dole ne ya zama shuɗi (launi iri ɗaya da maɓallan).

Alamar 9.4

REQ-MEC-0150: Lambar lambar lambar lambar lambar lambar girma

- Girman lakabin: 50mm * 10mm

- Girman rubutu: tsayin 2mm

- Bar lambar girma: 40mm * 5mm

Finished Product17

Hoto na 14. Misali na lambar lambar lambar lambar layin lamba

REQ-MEC-0151: Matsayin lambar lambar lambar layin lamba

Duba abin da ake buƙata na siliki na waje.

REQ-MEC-0152: Launin lambar lambar lambar lambar layin launi

Launin lambar lambar lambar lambar lambar lakabin dole ne ta zama baƙar fata.

REQ-MEC-0153: Kayan lambar lambar lambar lambar lambar layin waya

(Tambayar EMS)

Dole ne lambar man lamba ta zama ta manne kuma kada bayanin ya ɓace bisa ga RDOC-MEC-9.

REQ-MEC-0154: lambar lambar lambar lambar lambar lambar layin lamba

Dole ne a ba da lambar lamba ta MLS ko dai tare da tsari na ƙera (fayil ɗin keɓancewa) ko ta hanyar sadaukarwar software.

A ƙasa ma'anar kowane nau'in lambar siriyal:

M YY MM XXXX P
Jagora Shekarar 2019 = 19 Wata = 12december Samfurin lamba ga kowane watan batche Masana'antu

REQ-MEC-0160: Lambar kunna lambar lambar lambar lakabin girma

- Girman lakabin: 50mm * 10mm

- Girman rubutu: tsayin 2mm

- Bar lambar girma: 40mm * 5mm

Finished Product18

Hoto na 15 Misalin lambar lambar kunnawa lambar aiki

REQ-MEC-0161: Matsayin lambar lambar lambar kunnawa

Duba abin da ake buƙata na siliki na waje.

REQ-MEC-0162: Launin lambar lambar lambar kunnawa lambar lakabi

Launi lambar lambar lakabin lambar kunnawa dole ne ta zama baƙar fata.

REQ-MEC-0163: Kayan aikin lambar lambar lakabin lambar aiki

(Tambayar EMS)

Dole ne a liƙa lambar lambar kunnawa kuma bayanin bazai ɓace bisa ga RDOC-MEC-9.

REQ-MEC-0164: lambar lambar lambar lambar lambar lambar layin lamba

Dole ne lambar MLS ta ba da lambar kunnawa tare da umarnin ƙirar (fayil ɗin keɓancewa) ko ta hanyar sadaukarwar software.

REQ-MEC-0170: Babban lakabin girma

- Girma 48mm * 34mm

- Dole ne a maye gurbin alamomin ta ƙirar hukuma. Girman Minimun: 3mm. Duba RDOC-MEC-9.

- Girman rubutu: mafi karanci 1.5

Finished Product19

Misali 16. Misali na babban lakabi

REQ-MEC-0171: Matsayin babban lakabi

Babban lakabin dole ne a sanya shi a gefen MG3 akan ɗakin sadaukarwa.

Alamar dole ne ta kasance saman ƙofar sama da ta ƙasa ta hanyar da ba za a yarda da buɗe ƙullewar ba tare da cire lambar ba.

REQ-MEC-0172: Babban lakabin launi

Babban launi lakabi dole ne ya zama baƙi.

REQ-MEC-0173: Babban lakabin kayan aiki

(Tambayar EMS)

Dole ne babban tambari ya kasance a manne kuma kada bayanin ya ɓace bisa ga RDOC-MEC-9, musamman alamar aminci, samar da wutar lantarki, sunan Mylight-Systems da kuma samfurin samfurin

REQ-MEC-0174: labelimar lakabi na ainihi

Dole ne MLS ya ba da mahimman ƙididdigar lakabin tare da umarnin ƙera (fayil na keɓancewa) ko ta hanyar sadaukarwar software.

Darajoji / rubutu / tambari / rubutu dole ne su girmama adadi a cikin REQ-MEC-0170.

9.5 CT bincike

REQ-MEC-0190: Tsarin bincike na CT

(Tambayar EMS)

An ba da izinin EMS don tsara kanta igiyoyin bincike na CT, gami da kebul na mata da ke haɗe da MG3, kebul ɗin da ke haɗe zuwa binciken CT da kebul na tsawo.

Duk zane dole ne a ba MLS

REQ-MEC-0191: Kayan abubuwan bincike na CT dole ne ya zama mai jinkirin wuta (Tambayar EMS)

Abubuwan da aka yi amfani da su don sassan filastik dole ne su sami maki V-2 ko mafi kyau bisa ga CEI 60695-11-10.

REQ-MEC-0192: Kayan abubuwan bincike na CT dole ne su keɓance kebul Abubuwan bincike na CT dole ne su sami keɓancewa na 300V sau biyu.

REQ-MEC-0193: CT ta binciki kebul ɗin mata

Dole ne a keɓance abokan hulɗar mata daga farfajiyar da ke isa tare da mafi ƙarancin 1.5mm (mafi ƙarancin rami na rami 2mm).

Launi na kebul dole ne ya zama fari.

Ana sayar da kebul ɗin daga gefe ɗaya zuwa MG3 kuma a ɗaya gefen dole ne ya sami mahaɗin mace mai kullewa da codable.

Dole ne kebul ɗin ya sami ɓangaren wucewa wanda za'a yi amfani dashi don ƙetare ƙofar filastik na MG3.

Dole ne tsawon layin ya kasance kusa da 70mm tare da mahaɗin bayan sashin wucewa.

Tunanin MLS na wannan bangare zai zama MLSH-MG3-22

Finished Product20

Hoto na 18. CT ya binciki misalin kebul na mata

REQ-MEC-0194: CT ta binciki kebul na maza

Launi na kebul dole ne ya zama fari.

Ana sayar da kebul ɗin daga gefe ɗaya zuwa binciken CT kuma a ɗaya gefen dole ne ya sami haɗin maɓallin kullewa da codable.

Dole ne tsawon layin ya kasance kusan 600mm ba tare da mahaɗin ba.

Tunanin MLS na wannan bangare zai zama MLSH-MG3-24

REQ-MEC-0195: CT bincike na USB

Launi na kebul dole ne ya zama fari.

Ana sayar da kebul ɗin daga gefe ɗaya zuwa binciken CT kuma a ɗaya gefen dole ne ya sami haɗin maɓallin kullewa da codable.

Dole ne tsawon layin ya kasance kusan 3000mm ba tare da masu haɗawa ba.

Tunanin MLS na wannan bangare zai zama MLSH-MG3-19

REQ-MEC-0196: Binciken bincike na CT

(Tambayar EMS)

Za a iya amfani da nassoshi da yawa na binciken CT a nan gaba.

An ba da izinin EMS don yin ma'amala da mai binciken bincike na CT don tara binciken CT da kebul.

Nuna 1 shine MLSH-MG3-15 tare da:

- 100A / 50mA CT bincike SCT-13 daga masana'antar YHDC

- Layin MLSH-MG3-24

Finished Product21

Hoto na 20 CT bincike 100A / 50mA MLSH-MG3-15 misali

10 Gwajin lantarki

Kayan gwajin lantarki
NASIHA BAYANI
RDOC-TST-1. Tsarin benci na PRD-0001-MG3
RDOC-TST-2. BOM-0004-BOM fayil na MG3 gwajin gwaji
RDOC-TST-3. PLD-0008-PLD na bencin gwajin MG3
RDOC-TST-4. SCH-0004-SCH fayil na MG3 gwajin gwaji

10.1 Gwajin PCBA

REQ-TST-0010: Gwajin PCBA

(Tambayar EMS)

Dole ne a gwada 100% na allon lantarki kafin haɗuwar inji

Mafi qarancin ayyuka don gwada sune:

- Keɓewar wutar lantarki a kan babban jirgi tsakanin N / L1 / L2 / L3, babban kwamiti

- 5V, XVA (10.8V zuwa 11.6V), 3.3V (3.25V zuwa 3.35V) da 3.3VISO DC ƙarfin lantarki daidai, babban kwamiti

- Relay yana da kyau a buɗe lokacin da babu wuta, babban kwamiti

- Kebancewa akan RS485 tsakanin GND da A / B, hukumar AR9331

- 120 ohm juriya tsakanin A / B akan mai haɗa RS485, jirgin AR9331

- VDD_DDR, VDD25, DVDD12, 2.0V, 5.0V da 5V_RS485 DC ƙarfin lantarki daidai, jirgin AR9331

- VDD da VDD2P0 DC ƙarfin lantarki daidai, jirgin AR7420

Dole ne a ba da cikakken tsarin gwajin PCBA ga MLS.

REQ-TST-0011: Gwajin PCBA

(Tambayar EMS)

Maƙerin na iya ƙera kayan aiki don yin waɗannan gwaje-gwajen.

Dole ne a ba da ma'anar kayan aiki ga MLS.

Finished Product22

Hoto na 21. Misalin kayan aiki don gwajin PCBA

10.2 Hipot gwaji

REQ-TST-0020: Hipot gwaji

(Tambayar EMS)

Dole ne a gwada 100% na na'urori bayan haɗuwar injin ƙarshe kawai.

Idan samfur ya wargaje (don sake yin aiki / gyarawa a matsayin misali) dole ne ya sake yin gwajin bayan sake kera injiniya. Dole ne a gwada keɓaɓɓiyar keɓaɓɓiyar tashar jirgin ruwa ta Ethernet da RS485 (ɓangare na farko) tare da samar da wuta (gefe na biyu) a kan duk masu jagorar.

Don haka ana haɗa kebul ɗaya zuwa wayoyi 19: tashar Ethernet da RS485

Sauran kebul an hada shi da wayoyi 4: Neutral and 3 phase

EMS dole ne yayi kayan aiki don samun duk masu gudanarwa daga kowane gefe akan layi ɗaya don yin gwaji ɗaya kawai.

Dole ne a yi amfani da ƙarfin DC 3100V. Matsakaicin 5s don saita ƙarfin lantarki sannan ƙarami 2s don kiyaye ƙarfin lantarki.

Ba a ba da izinin malalewar yanzu ba.

Finished Product23

Hoto na 22. Kayan aikin kebul domin samun gwajin Hipot mai sauƙi

10.3 Gwajin PLC Performance

REQ-TST-0030: Gwajin PLC na aiki

(An tsara ko tsara ƙirar EMS tare da MLS)

Dole ne a gwada 100% na na'urori

Dole ne samfurin ya sarrafa don sadarwa tare da wani samfurin CPL, azaman toshe PL 7667 ETH, ta hanyar kebul na 300m (ana iya yin iska).

Adadin bayanan da aka auna tare da rubutun "plcrate.bat" dole ne ya kasance sama da 12mps, TX da RX.

Don samun sauƙin haɗuwa da fatan za a yi amfani da rubutun “set_eth.bat” wanda ya saita MAC zuwa “0013C1000000” da NMK zuwa “MyLight NMK”.

Duk gwaje-gwaje dole ne su ɗauki iyakar 15 / 30s gami da haɗin kebul na USB.

10.4 -one-A

REQ-TST-0040: Yanayin ƙonewa

(Tambayar EMS)

Dole ne a yi ƙona-in akan 100% na allunan lantarki tare da bin ƙididdiga:

- 4h00

- Wutar lantarki 230V

- 45 ° C

- An dakatar da tashar jiragen ruwa na Ethernet

- Kayayyaki da yawa (aƙalla 10) a lokaci guda, layin wutar iri ɗaya, tare da PLC NMK ɗaya

REQ-TST-0041: Duba-ƙonewa

- Kowace sa'ar da aka jagoranta tana walƙiya kuma ana iya kunna / kashe aiki

10.5 Gwajin taron ƙarshe

REQ-TST-0050: Gwajin taron ƙarshe

(Aƙalla benchmark gwajin guda ɗaya MLS ke bayarwa)

Dole ne a gwada 100% na samfuran akan benin gwajin taron Karshe.

Ya kamata lokacin gwaji ya kasance tsakanin 2.30min da 5min bayan abubuwan ingantawa, aiki da kai, ƙwarewar mai aiki, batun daban wanda zai iya faruwa (azaman sabuntawar firmware, batun sadarwa tare da kayan aiki ko kwanciyar hankali na samar da wutar lantarki)

Babban manufar babban filin gwajin taron shine a gwada:

- Amfani da wuta

- Bincika nau'ikan firmwares kuma sabunta su idan an buƙata

- Bincika sadarwar PLC ta hanyar tacewa

- Duba maɓallan: Relays, PLC, Sake saitin masana'antu

- Bincika leds

- Bincika sadarwa RS485

- Bincika hanyoyin sadarwa na Ethernet

- Yi ma'aunin ma'aunin iko

- Rubuta lambobin daidaitawa a cikin na'urar (adireshin MAC, Serial number)

- Sanya na'urar don isarwa

REQ-TST-0051: Manhajin gwajin taron ƙarshe

Tsarin benci na gwaji RDOC-TST-1 dole ne a karanta shi sosai a kuma fahimta sosai kafin a yi amfani da shi don tabbatarwa:

- Tsaron mai amfani

- Yi amfani da bencin gwajin daidai

- Yin aikin bencin gwajin

REQ-TST-0052: Gwajin gwajin taron ƙarshe

Dole ne a yi aikin tabbatar da bencin gwajin daidai da RDOC-TST-1.

REQ-TST-0053: Lakabin gwajin taron ƙarshe

Dole ne a manna kwali / lamba a kan samfurin kamar yadda aka bayyana a cikin RDOC-TST-1.

Finished Product24

Hoto na 23. Misalin lakabin gwajin taron ƙarshe

REQ-TST-0054: Gwajin taron ƙarshe na tushen Bayanan Gida

Duk rajistan ayyukan da aka adana a cikin kwamfutar cikin gida dole ne a tura su zuwa Mylight Systems a kai a kai (aƙalla sau ɗaya a wata ko kuma kowane lokaci).

REQ-TST-0055: Gwajin taron ƙarshe na tushen tushe Bayanai

Dole ne a haɗa bencin gwajin zuwa intanet don samun damar aika rajistan ayyukan zuwa tushen bayanan nesa a ainihin lokacin. Ana son cikakken haɗin gwiwa na EMS don ba da izinin wannan haɗin cikin cikin sadarwar sadarwar ta ciki.

REQ-TST-0056: Sake bugun bencin gwajin

MLS na iya aika benchi na gwaji da yawa zuwa MES idan an buƙata

An kuma ba da izinin EMS sake yin jigilar gwajin kanta bisa ga RDOC-TST-2, RDOC-TST-3 da RDOC-TST-4.

Idan EMS suna son yin kowane haɓakawa dole ne su nemi izinin MLS.

Dole ne a sake inganta benchi na gwaji ta MLS.

10.6 SOC AR9331 shirye-shirye

REQ-TST-0060: Shirye-shiryen SOC AR9331

Dole ne a haskaka ƙwaƙwalwar ajiyar na'urar kafin haɗuwa tare da mai ba da shirye-shiryen duniya wanda MLS ba ta bayarwa ba.

Firmware da za'a haskaka dole ne ya kasance koyaushe kuma MLS zai inganta shi kafin kowane rukuni.

Babu wani keɓancewa da aka tambaya anan, saboda haka duk na'urori suna da firmware ɗaya a nan. Za'a yi keɓancewa daga baya a cikin jarabawar ƙarshe.

10.7 PLC chipset AR7420 shirye-shirye

REQ-TST-0070: Shirye-shiryen PLC AR7420

Dole ne a haskaka ƙwaƙwalwar ajiyar na'urar kafin a ƙona gwaje-gwaje don a kunna kwakwalwar PLC yayin gwajin.

An tsara kwakwalwan PLC ta hanyar software da MLS ta bayar. Aikin walƙiya yana ɗaukar kusan 10s. Don haka EMS na iya yin la'akari da iyakar 30s don aikin gaba ɗaya (Carfin USB + Ethernet na USB + Flash + Cire kebul).

Babu wani keɓancewa da aka tambaya anan, saboda haka duk na'urori suna da firmware ɗaya a nan. Za'a yi keɓancewa (adireshin MAC da DAK) daga baya a cikin bencin gwajin ƙarshe.

Hakanan za'a iya walƙiyar ƙwaƙwalwar kwakwalwar PLC kafin haɗuwa (don gwadawa).