I-EE ELEKTRONIK EE212D Modular Humidity and Temperature Sensor Instruction Manual
I-EE ELEKTRONIK EE212D Modular Humidity kanye Nenzwa Yezinga lokushisa

ULWAZI OLUVAMILE

  • Usuku: 02.06.2022
  • Igama lomthengisi: E+E Elektronik
  • Igama Lomkhiqizo: I-EE212D
  • Inombolo Yemodeli Yomkhiqizo: I-EE212D
    Leli ihlelo elijwayelekile lamadivayisi e-EE212 anokukhishwa kwedijithali (RS485) kanye nephrothokholi ye-BACnet MS/TP. Ukuze uthole uhlobo lwenombolo yamadivayisi athile e-EE212D bheka ishidi ledatha elifanele kokuthi:
    https://www.epluse.com/fileadmin/data/product/ee212/datasheet_EE212.pdf
  • Inguqulo yesofthiwe yohlelo lokusebenza: 2.0
  • Ukubuyekezwa kwe-Firmware: 2.0
  • Inguqulo ye-BACnet Protocol: 1
  • Ukubuyekezwa Kwephrothokholi ye-BACnet: 14

Incazelo Yomkhiqizo:
Umswakamo kanye Nezinga lokushisa I-BACNet MS/TP Smart Sensor Master idivayisi EE212D.

I-BACNET STANDARDIZED DEVICE PROFILE (ISIQEPHU L)

  • I-BACnet Operator Workstation (B-OWS)
  • I-BACnet Advanced Operator Workstation (B-AWS)
  • I-BACnet Operator Display (B-OD)
  • I-BACnet Building Controller (B-BC)
  • I-BACnet Advanced Application Controller (B-AAC)
  • I-BACnet Application Specific Controller (B-ASC)
  • I-BACnet Smart Sensor (B-SS)
  • I-BACnet Smart Actuator (B-SA)

UHLU LWAWONKE AMABLOCK OKWAKHA OKUXHUMANA NE-BACNET Asekelwe (ANNEX K)

  • DS-RP-B………….Ukwabelana Ngedatha – Funda Isakhiwo – B
  • DS-RPM-B……….Ukwabelana Ngedatha – Funda Izakhiwo Eziningi – B
  • DS-WP-B …………Ukwabelana Ngedatha – Bhala Isakhiwo – B
  • I-DS-COVU-B……..Ukwabelana Ngedatha – COV-Akucelwanga – B
  • I-DM-DDB-B……….Ukuphathwa Kwedatha – Isibopho Sedivayisi Enamandla – B
  • DM-DOB-B……….Ukuphathwa Kwedatha – Isibopho Sento Enamandla – B
  • DM-DCC-B……….Ukuphathwa Kwedatha – Ukulawula Ukuxhumana Kwedivayisi – B
  • DM-RD-B …………Ukuphathwa Kwedatha – Qalisa kabusha Idivayisi – B

IKHONO LOKUHLUKANA

  • Iyakwazi ukudlulisa imilayezo ehlukene
  • Iyakwazi ukwamukela imilayezo ehlukene

IZINHLOBO ZENTO EZIJWAYELEKILE YE-BACNET EZIsekelwe

  • I-Accumulator
  • Okokufaka kwe-Analog
  • I-Analog Output
  • Inani le-Analog
  • Isilinganiso
  • Okufakwayo kanambambili
  • Okukhipha kanambambili
  • Inani kanambambili
  • Ikhalenda
  • Umyalo
  • Idivayisi
  • Ukubhaliswa komcimbi
  • File
  • Iqembu
  • Iphoyinti Lokuphepha Lokuphila
  • I-Life Safety Zone
  • Iluphu
  • Okokufaka kwe-Multistate
  • I-Multistate Output
  • I-Multistate Value
  • Ikilasi Lezaziso
  • Uhlelo
  • I-Pulse Converter
  • Isheduli
  • Ilogi yethrendi

IZINKETHO ZOKUXHUMANA KWEDATHA

  • I-BACnet IP, (Isijobelelo J):
  • I-BACnet IP, (Annex J), Idivayisi Yangaphandle:
  • ISO 8802-3, Ethernet (Isigaba 7):
  • I-ATA 878.1, 2.5 Mb. I-ARCNET (Isigaba 8):
  • I-ATA 878.1, EIA-485 ARCNET (Isigaba 8), isilinganiso se-baud:
  • I-MS/TP master (Isigaba 9), isilinganiso se-baud: 9600, 19200, 38400, 57600, 76800, 115200
  • I-MS/TP isigqila (Isigaba 9), isilinganiso se-baud:
  • I-Point-To-Point, i-EIA 232 (Isigaba 10), isilinganiso se-baud:
  • I-Point-to-Point, imodemu, (Isigaba 10), isilinganiso se-baud:
  • I-LonTalk, (Isigaba 11), esimaphakathi:
  • I-BACnet/Zigbee (Isijobelelo O):
  • Okunye:

UKUBOPHA IKHELI LEDIVAYISI

Ingabe ukubophezela kwedivayisi emile kuyasekelwa? (Lokhu kuyadingeka okwamanje ekuxhumaneni okubili nezigqila ze-MS/TP nezinye izisetshenziswa ezithile.) Yebo Cha

IZINKETHO ZOKUNIKEZELWA NGEZINQUBO

  • Irutha, Isigaba somthetho 6 - Faka kuhlu konke ukucushwa kwemizila, isb, ARCNET-Ethernet, Ethernet-MS/TP, njll.
  • Isijobelelo H, i-BACnet Tunneling Router phezu kwe-IP
  • Idivayisi ye-BACnet/IP Broadcast Management (BBMD)
    Ingabe i-BBMD iyakusekela ukubhaliswa ngamadivayisi angaphandle? Yebo Cha
    Ingabe i-BBMD iyakusekela ukuhunyushwa kwekheli lenethiwekhi? Yebo Cha

IZINKETHO ZOKUVIKELA ZEnethiwekhi

  •  Idivayisi engavikelekile – iyakwazi ukusebenza ngaphandle kwe-BACnet Network Security
  • Idivayisi Evikelekile - iyakwazi ukusebenzisa i-BACnet Network Security (NS-SD BIBB)
    • Okhiye Abathile Bezicelo Eziningi
    • Isekela ukubethela (NS-ED BIBB)
    • Iseva engukhiye (NS-KS BIBB)

AMASETHI OMLINGISI ASEKWE

Ukubonisa ukwesekwa kwamasethi ezinhlamvu eziningi akusho ukuthi wonke angasekelwa kanyekanye

  • I-ISO 10646 (UTF-8)
  • I-ISO 10646 (UCS-2)
  • IBM™ /Microsoft™ DBCS
  • I-SO 10646 (UCS-4)
  • ISO 8859-1
  • I-JIS X 0208

UMEHLUKO WE-TRANSMITTER

  • BACnet Izinto.
  • Into Yedivayisi.
  • Into Yokufaka I-Analogi: Izinga lokushisa .
  • Into Yokufaka I-analogi: Umswakama Ohlobene .
  • Into Yokufaka I-Analogi: Ingcindezi Eyingxenye Yemphunga Wamanzi.
  • Into Yokufaka I-Analogi: Izinga lokushisa le-Dew Point .
  • Into Yokufaka I-analogi: Umswakama ophelele .
  • Into Yokufaka I-analogi: Isilinganiso Sokuxuba.
  • Into Yokufaka I-Analog: I-Enthalpy.
  • Into Yokufaka I-Analog: Ithempelesha Yephuzu Le-Frost.
  • Into Yokufaka I-Analogi: Izinga Lokushisa Lebhalbhu Elimanzi.

BACNET IZINTO

Le ngxenye ichaza izinto ezihlukahlukene ze-BACnet ngokuningiliziwe. Izici eziyinhloko zezinto ngazinye zichazwe ezigabeni ezilandelayo.

Into Yedivayisi

Impahla Uhlobo Lwedatha Inani Lokuqala I-R/O/P Ukuphikelela
Isihlonzi Sento I-BACnetObjectIdentifier Unique Object Instance (0 - 4194302) R (W) Ayiguquki
Igama Lento CharacterString[15] “EE212D_XXXXXXXX”(X … Izinhlamvu ezihlukile) R (W) Ayiguquki
Uhlobo Lwento I-BACnetObjectType (Enum.) OBJECT_DEVICE R (R) Kulungisiwe
Incazelo CharacterString[15] I-EE212D O (W) Ayiguquki
Isimo Sesistimu I-BACnetDeviceStatus (Enum.) STATUS_OPERATIONAL R (R) Iyaguquguquka
Igama lomthengisi I-CharacterString “E+E Elektronik” R (R) Kulungisiwe
Isihlonzi somthengisi Akusayiniwe16 623 R (R) Kulungisiwe
Igama Lemodeli I-CharacterString I-EE212D R (R) Kulungisiwe
Ukubuyekezwa kwe-Firmware I-CharacterString "2.0" R (R) Kulungisiwe
Inguqulo yesofthiwe yohlelo lokusebenza I-CharacterString "2.0" R (R) Kulungisiwe
Indawo CharacterString[15] "AUT" O (W) Ayiguquki
Inguqulo Yesivumelwano Akusayiniwe 1 R (R) Kulungisiwe
Ukubuyekezwa Kwephrothokholi Akusayiniwe 14 R (R) Kulungisiwe
Izinsizakalo Zephrothokholi Zisekelwe I-BACnetProtocolServices Isekelwe (Bit-String) Funda PropertyRead Property Multiple Bhala PropertyDevice Comm. Lawula Ukuphinda Uqalise Idivayisi I-COV Engaqinisekisiwe Ubani-IsWho-Has    R (R) Kulungisiwe
Izinhlobo Zento Yephrothokholi Zisekelwe I-BACnetObjectTypes Esekelwe (Bit-String) Okokufaka kwe-Analog yedivayisi R (R) Kulungisiwe
Uhlu Lwezinto I-BACnetARRAY[N] ye-BACnetPbjectIdentifier I-EE212D:I-Device ObjectAI0 (Ithempelesha)AI1 (Relative Humidity) AI2 (Water Vap. Cindezela.) AI3 (Dew Point Temp.) AI4 (Absolute Humidity) AI5 (Mixing Ratio)AI6 (Enthalpy)AI7 (Frost Point Temp.) AI8 (Ibhubhula Elimanzi). Temp.) R (R) Kulungisiwe
Uhlu Lwezakhiwo I-BACnetARRAY[N] ye-BACnetPropertyIdentifier Isimo Sesistimu, Igama Lomthengisi, Isihlonzi Somthengisi, Igama Lemodeli, Ukubuyekezwa Kwe-Firmware, Inguqulo Yesofthiwe Yohlelo, Indawo, Incazelo, Inguqulo Yephrothokholi, Ukubuyekezwa Kwephrothokholi, Amasevisi Ephrothokholi Asekelwe, Izinhlobo Zento Yephrothokholi Esekelwe, Uhlu Lwezinto, Ubude Obuphezulu Be-APDU, Isikhathi sokuvala se-APDU, Isegimenti Okusekelwe, Inombolo Yokuzama Kabusha kwe-APDU, Ukubophezela Kwekheli Ledivayisi, Ukubuyekezwa Kwesizindalwazi, Amafreyimu Olwazi Olukhulu, I-Max Master,512 (prop.: Comm.Settings) R (R) Kulungisiwe
Ubude Obuphezulu be-APDU Bamukelwe Akusayiniwe16 480 R (R) Kulungisiwe
Ukuhlukaniswa Kusekelwe I-BACnetSegmentation (Enum.) NO_SEGMENTATION R (R) Kulungisiwe
Isikhathi sokuvala se-APDU Akusayiniwe 3000 R (R) Kulungisiwe
Inombolo yokuzama kabusha kwe-APDU Akusayiniwe 3 R (R) Kulungisiwe
Ukubophezela Ikheli Ledivayisi Uhlu lwe-BACnetAddressBinding NULL R (R) Kulungisiwe
Ukubuyekezwa Kwesizindalwazi Akusayiniwe 0 R (W) Ayiguquki
Amafreyimu Olwazi Olukhulu Akusayiniwe 1 O (R) Kulungisiwe
UMax Master Akusayiniwe 127 O (W) Ayiguquki
Ipharamitha Yokuxhumana I-CharacterString “38400-8n1” P (W) Ayiguquki
  • R (R) ……………. Impahla edingekayo (Efundekayo)
  • R (W) ………… Impahla Edingekayo (Iyafundwa-/Iyabhalwa)
  • O (R)……………. Impahla Ongazikhethela (Ifundekayo)
  • O (W) ………… Impahla ozikhethela yona (Iyafundwa-/Iyabhalwa)
  • P (R) ……………. Isakhiwo Sobunikazi (Siyafundeka)
  • P (W)……………. Isakhiwo Sobunikazi (Iyafundwa-/Iyabhalwa)

I-Max Master Property:

Inani eliphezulu le-“Max Master” lingu-127. Leli nani libhalwa ngesakhiwo sokubhala se-BACnet.

Ipharamitha Yokuxhumana:

Ukushintsha amapharamitha wokuxhumana we-RS485 kubalulekile ukubheka ifomethi yeyunithi yezinhlamvu.

Uchungechunge lohlamvu luqukethe izingxenye ezilandelayo:

  1. Izinga le-Baud (9600, 19200, 38400, 57600, 76800, 115200)
  2. "-"
  3. Inombolo yamabhithi edatha (8)
  4. Ukulingana (akukho)
  5. Inombolo yezinqamuleli (1)

Example:

  • Shintsha amapharamitha ukuze: I-Baud = 76800, amabhithi edatha ayi-8, akukho ukulinganiswa, ibhithi yokuma engu-1: Iyunithi yezinhlamvu: “76800-8n1”

QAPHELA: Iyunithi yezinhlamvu izophetha ngokunqamula u-0.

Izinto Zokufaka Analogi

Yonke into yokufaka i-analog inesakhiwo esifanayo:

Impahla Uhlobo Lwedatha Inani Lokuqala I-R/O/P Ukuphikelela
Isihlonzi Sento I-BACnetObjectIdentifier 0 … Izinga lokushisa
1 … Umswakama Ohlobene
2 … Ivaphu Yamanzi. Cindezela.
3 … I-Dew Point Temp.
4 … Umswakamo Ophelele
5 … Ukuxuba Isilinganiso
6 … I-Enthalpy
7 … I-Frost Point Temp.
8 … ITemp ye-Bulb Emanzi.
R Kulungisiwe
Igama Lento I-CharacterString “T” … Izinga lokushisa
“RH”… Rel. Umswakama
“e” … Wat. Vap. Cindezela. “Td” … Dew Pnt. Temp.
“dv” … Abs. Umswakama
“r” … Ukuxuba Isilinganiso “h” … I-Enthalpy
“Tf” … I-Frost Pnt. Temp.
“Tw” … ITemp ye-Bulb Emanzi.
R Kulungisiwe
Incazelo I-CharacterString (bona ngezansi) O Kulungisiwe
Uhlobo Lwento I-BACnetObjectType (Enum.) OBJECT_ANALOG_INPUT R Kulungisiwe
Inani Lamanje Impela 0.0 R (W) a.) Iyaguquguquka
Amafulegi wesimo I-BACnetStatusFlags (I-Bit-String) amanga, amanga, amanga, amanga R Iyaguquguquka
Isimo somcimbi I-BACnetEventState OKUJWAYELEKILE R Iyaguquguquka
Ayisebenzi I-Boolean amanga R (W) Iyaguquguquka
Amayunithi I-BACnetEngineeringUnits (Enum.) (bona ngezansi) R (W) Ayiguquki
Ukwethembeka I-BACnetReliability (Enum.) NO_FAULT_DETECTED R (W) a.) Iyaguquguquka
Ukwenyuka kwe-COV Impela Akuyona inombolo (NaN) O (W) Ayiguquki
Uhlu Lwezakhiwo I-BACnetARRAY[N] ye-BACnetPropertyIdentifier R (R) Kulungisiwe

a.) Uma ifulegi elithi “Ukuphuma Kwesevisi” kuyiqiniso, inani liyabhaleka.

  • R (R) ……………. Impahla edingekayo (Efundekayo)
  • R (W) ………… Impahla Edingekayo (Iyafundwa-/Iyabhalwa)
  • O (R)……………. Impahla Ongazikhethela (Ifundekayo)
  • O (W) ………… Impahla ozikhethela yona (Iyafundwa-/Iyabhalwa)
  • P (R) ……………. Isakhiwo Sobunikazi (Siyafundeka)
  • P (W)……………. Isakhiwo Sobunikazi (Iyafundwa-/Iyabhalwa)

Incazelo Indawo:

Ithebula elilandelayo libala izincazelo zento ezingaba khona kuye ngamayunithi okulinganisa akhethiwe:

Inani Lokuqala Okunye 1 Okunye 2
“Izinga lokushisa [deg. C]” “Izinga lokushisa [deg. F]” “Izinga lokushisa [deg. K]”
“Umswakama ohlobene [%rH]”
"Umfutho wamanzi wengxenye ye-vapor [mbar]" "Umfutho wamanzi wengxenye ye-vapor [psi]"
“Amazinga okushisa amazolo [deg. C]” “Izinga lokushisa [deg. F]” “Izinga lokushisa [deg. K]”
“Absolute humidity [g/m3]” “Umswakama ophelele [g/ft3]”
“Isilinganiso sokuhlanganisa [g/kg]” “Isilinganiso sokuhlanganisa [gr/lb]”
“Enthalpy [kJ/kg]” “Enthalpy [ft lbf/lb]” “Enthalpy [BTU/lb]”
“Izinga lokushisa lendawo yesithwathwa [deg. C]” “Izinga lokushisa [deg. F]” “Izinga lokushisa [deg. K]”
“Izinga lokushisa lebulb elimanzi [deg. C]” “Izinga lokushisa lebulb elimanzi [deg. F]” “Izinga lokushisa lebulb elimanzi [deg. K]”

Impahla Yenani Lamanje:

Lesi sakhiwo simelela inani langempela elilinganiselwe noma inani elibaliwe langempela. Uma ifulegi elithi “Ukuphuma Kwesevisi” kuyiqiniso, Isakhiwo Senani Lamanje siyabhalwa. I-Present Value Property ezenzakalelayo ingu-50.0 uma “Ukuphuma Kwesevisi” kuyiqiniso.

Isakhiwo sefulegi lesimo:

Ithebula elilandelayo lichaza izimo ezingaba khona zesakhiwo "Amafulegi Wesimo":

Flag Izwe Isizathu
NGE-ALARM amanga Inani lendawo "yeSifundazwe Somcimbi" ELIZWILE (0)
iqiniso Inani lendawo "yeSifundazwe Somcimbi" AKUNJALO (0)
IPHUTHA amanga Inani lempahla ethi "Reliability" lingu-NO_FAULT_DETECTED
iqiniso Inani lendawo ethi “Reliability” aliyona NO_FAULT_DETECTED
KUKHISHIWE amanga Amanga njalo
AYISEBENZI amanga Izakhiwo "Inani Lamanje" kanye "Nokuthembeka" azibhaleki nge-BACnet
iqiniso Izakhiwo "Inani Lamanje" kanye "Nokuthembeka" zibhalwa nge-BACnet

Indawo Yesifunda Somcimbi:

Ithebula elilandelayo lichaza izifunda ezingaba khona zendawo "yeSifundazwe":

Izwe Isizathu
OKUJWAYELEKILE (0) Inani lempahla ethi "Reliability" lingu-NO_FAULT_DETECTED
IPHUTHA (1) Inani lendawo ethi “Reliability” aliyona NO_FAULT_DETECTED

Izakhiwo zamayunithi:

Ithebula elilandelayo libala amayunithi angaba khona ento ngayinye yokufaka i-analog:

Inani Lokuqala Okunye 1 Okunye 2
I-Celsius (62) Iziqu zeFahrenheit (64) U-Degree Kelvin (63)
Umswakamo ohlobene (29) - -
Ama-Millibars (134) Amapondo Amandla nge-intshi yesikwele (56) -
I-Celsius (62) Iziqu zeFahrenheit (64) U-Degree Kelvin (63)
Amagremu ngeCubic Meter ngayinye (217) Izinhlamvu ngeCubic Foot (256)a.) -
Amagremu ngeKilogram (210) Izinhlamvu ngephawundi ngalinye (257)a.) -
Amakhilojuli ngeKilogram Dry Air (149) Iphawundi ngephawundi Lomoya Omile (258)a.) I-BTU ngephawundi Elomile Lomoya (24)
I-Celsius (62) Iziqu zeFahrenheit (64) U-Degree Kelvin (63)
I-Celsius (62) Iziqu zeFahrenheit (64) U-Degree Kelvin (63)

a.) Akuyona iyunithi echaziwe ye-ASHRAE.

Isakhiwo Esinokwethenjelwa:

Ithebula elilandelayo lichaza izimo ezingaba khona zesakhiwo “sokuthembeka”:

Izwe Isizathu
NO_FAULT_DETECTED (0) Alikho iphutha elitholiwe
AYIKHO Inzwa (1) Inzwa ilimele noma ayixhumekile

Impahla Yokunyuswa kwe-COV:

Inani elizenzakalelayo lingu-NaN (hhayi inombolo). Uma “Impahla Yokunyuswa Kwe-COV” iyi-NaN noma ingaphezu kuka-1000,000,000.0 bese ukubikwa kwe-COV kuyakhutshazwa.

ULWAZI OLUHLUKILE

Qalisa kabusha idivayisi (RD):
Umsebenzi we-RD usetshenziselwa ukuqala kabusha/ukuqalisa kabusha isidlulisi sonke nge-BACnet. Ukuze usebenzise ukuvuselela ukusebenza kwedivayisi iphasiwedi iyadingeka. Inombolo yomthetho ithi: “BACnet123”.

I-Device Communication Control (DCC):
Umsebenzi we-DCC usetshenziselwa ukumisa ukuqalisa imilayezo kunethiwekhi ye-BACnet. Ngemva kokuthola umlayezo wokuqalisa wokumisa we-DCC, idivayisi ayisaphenduli esicelweni, ngaphandle kwezicelo ze-RD noma ze-DCC. Ukusetshenziswa komsebenzi wokulawula ukuxhumana kwedivayisi kuvikelwe ngephasiwedi. Inombolo yomthetho ithi: “BACnet123”.

Ukubika kwe-COV okungaceliwe:
Lapho ukubika kwe-COV kwenziwa kusebenze, umlayezo we-BACnet usakazwa ngaso sonke isikhathi lapho umehluko phakathi "kwenani Lamanje" langempela kanye “Nenani Lamanje” elilinganiselwe kusukela kumlayezo wokugcina we-COV weqa inani elithi “COV Increment”. Njengoba lungekho uhlu lokubhaliselwe olusekelwayo, umlayezo we-COV uhlala usakazwa. Lo msebenzi uwusizo kumaklayenti amaningi e-BACnet adinga ulwazi olufanayo lwedivayisi eyodwa ye-BACnet (isb. izinga lokushisa langaphandle)

ENKULU

E+E Elektronik Ges.mbH
Langwiesen 7 4209 Engerwitzdorf Austria
Ucingo.: +43 7235 605-0
I-imeyili: info@epluse.com
Web: www.epluse.com

AMA-SUBSIDIARY

E+E Elektronik China
18F, Kaidi Financial Building,
No.1088 XiangYin Road 200433 Shanghai
Ucingo.: +86 21 6117 6129
I-imeyili: info@epluse.cn

E+E Elektronik France
47 Avenue de l'Europe 92310 Sèvres
Ucingo.: +33 4 74 72 35 82
I-imeyili: info@epluse.fr

E+E Elektronik Germany

Obere Zeil 2 61440 Oberursel
Ucingo.: +49 6171 69411-0
I-imeyili: info@epluse.de

E+E Elektronik India
801, Sakhi Vihar Road 400072 Mumbai
Ucingo.: +91 990 440 5400
I-imeyili: info.in@epluse.com

E+E Elektronik Italy
Nge-Alghero 17/19 20128 Milano (MI)
Ucingo.: +39 02 2707 86 36
I-imeyili: info@epluse.it

E+E Elektronik Korea
I-Suite 2001, i-Heungdeok IT Valley Towerdong, 13,
Heungdeok 1-ro, Giheung-gu 16954 Yongin-si, Gyeonggi-do
Ucingo.: +82 31 732 6050
I-imeyili: info@epluse.co.kr

E+E Elektronik USA
333 East State Parkway Schaumburg, IL 60173
Ucingo.: +1 847 490 0520
I-imeyili: office@epluse.com

Amadokhumenti / Izinsiza

I-EE ELEKTRONIK EE212D Modular Humidity kanye Nenzwa Yezinga lokushisa [pdf] Incwadi Yeziqondiso
Inzwa ye-EE212D Modular Humidity and Temperature, EE212D, Inzwa yokuswakama kweModular kanye nezinga lokushisa, inzwa yomswakamo kanye nezinga lokushisa, inzwa yezinga lokushisa, inzwa

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