SEQUENT MICROSYSTEMS 0104110000076748 Khadi Lopanga Makina Opanga a Raspberry Pi

Zambiri Zamalonda

Khadi la Building Automation Card la Raspberry Pi ndi khadi yosunthika yomwe imalola ogwiritsa ntchito kuwonjezera zolowetsa ndi zotulutsa zosiyanasiyana ku Raspberry Pi yawo. Imabwera ndi zolowetsa zisanu ndi zitatu za jumper zomwe zitha kusinthidwa kuti ziwerenge ma siginecha a 0-10V, zowerengera zotsekera, kapena masensa a kutentha a 1K/10K. Khadi ilinso ndi ma LED anayi omwe amatha kuwongolera kudzera pa mapulogalamu kuti awonetse momwe zolowa, zotuluka, kapena njira zakunja zilili. Kuphatikiza apo, imaphatikizapo transceiver ya RS-485 yolumikizirana komanso magetsi pamakhadi onse ndi Raspberry Pi.

Malangizo Ogwiritsira Ntchito Zogulitsa

1. Yambani ndikulumikiza Building Automation Card pamwamba panu
   Raspberry Pi ndikuwongolera dongosolo.
2. Yambitsani kulumikizana kwa I2C pa Raspberry Pi pogwiritsa ntchito
   raspi-config.
3. Ikani pulogalamuyo kuchokera ku github.com potsatira izi:
   • Tsegulani terminal ndikulowetsa lamulo: git clone
https://github.com/SequentMicrosystems/megabas-rpi.git
   • Sinthani chikwatu kukhala chosungira chopangidwa: cd/home/pi/megabas-rpi.
   • Ikani pulogalamuyo yokhala ndi mwayi woyang'anira: sudomake install
4. Yambitsani pulogalamuyo polemba lamulo:  megabas
5. Onani mndandanda wamalamulo omwe alipo kuti muwasinthe ndikugwiritsa ntchito.

Chonde dziwani kuti mukamagwiritsa ntchito makhadi angapo a Building Automation Card, tikulimbikitsidwa kugwiritsa ntchito mphamvu imodzi ya 24VDC/AC kuti mupange makadi onse. Wogwiritsa ntchito ayenera kugawa chingwe ndikuyendetsa mawaya ku khadi lililonse. Kugwiritsa ntchito mphamvu kwa khadi ndi 50 mA pa +24V.

KUDZULOWA KWAMBIRI

• M'badwo wachiwiri wa Khadi lathu la Building Automation Card umabweretsa ku nsanja ya Raspberry Pi zolowa zonse ndi zotuluka zofunika pa Building Automation Systems. Yokhazikika mpaka 8, khadi imagwira ntchito ndi mitundu yonse ya Raspberry Pi, kuyambira Zero mpaka
• Zikhomo ziwiri za Raspberry Pi za GPIO zimagwiritsidwa ntchito polumikizana ndi I2C. Pini ina imaperekedwa kwa wosokoneza, kusiya mapini 23 a GPIO akupezeka kwa wogwiritsa ntchito.
• Zolowetsa zisanu ndi zitatu zapadziko lonse lapansi, zomwe zingasankhidwe payekhapayekha, zimakulolani kuti muwerenge ma siginecha a 0-10V, kuwerengera kutsekedwa kolumikizana, kapena kuyeza kutentha pogwiritsa ntchito 1K kapena 10K thermistors. Zotulutsa zinayi za 0-10V zitha kuwongolera ma dimmers kapena zida zina zamafakitale. Zotulutsa zinayi za 24VAC zimatha kuwongolera ma relay a AC kapena zida zotenthetsera ndi zoziziritsa. Zizindikiro za LED zimawonetsa mawonekedwe a zotuluka zonse. Madoko awiri a RS485/MODBUS amaloleza kukulitsa mopanda malire.
• Ma diode a TVS pazolowetsa zonse amateteza khadi ya ESD yakunja. Fuse yokhazikitsidwanso paboard imayiteteza ku akabudula mwangozi.

MAWONEKEDWE

• Ma jumper asanu ndi atatu okhazikika padziko lonse lapansi, zolowetsa zaanalogi/digito
• 0-10V Zolowetsa kapena
• Lumikizanani ndi Closure Counter Inputs kapena
• 1K/10K Zolowetsa Sensor Kutentha
• Zida zinayi za 0-10V
• Zotuluka Zinayi za TRIAC zokhala ndi madalaivala a 1A/48VAC
• Ma LED anayi a General Purpose
• RS485 mkati ndi kunja madoko
• Nthawi yeniyeni yokhala ndi zosunga zobwezeretsera batri
• Pamwamba pa batani
• Chitetezo cha TVS pazolowetsa zonse
• Pa-board Hardware Watchdog
• 24VAC magetsi

Zolowa zonse ndi zotulutsa zimagwiritsa ntchito zolumikizira zomangika zomwe zimalola kuti mawaya azifikira mosavuta makadi angapo atayidwa. Mpaka makhadi asanu ndi atatu a Building Automation amatha kuikidwa pamwamba pa Raspberry Pi imodzi. Makhadiwa amagawana basi yamtundu wa I2C pogwiritsa ntchito zikhomo ziwiri zokha za Raspberry Pi's GPIO kuyang'anira makhadi onse asanu ndi atatu. Izi zimasiya ma GPIO 24 otsala omwe akupezeka kwa wogwiritsa ntchito.
Zolinga zinayi za LED zitha kulumikizidwa ndi zolowetsa za analogi kapena njira zina zoyendetsedwa. Batani lakukankhira pa board litha kukonzedwa kuti lidule zolowa, kupitilira zotuluka kapena kutseka Raspberry Pi.

ZIMENE ZILI MU KIT YANU

1. Kupanga Makhadi Odzichitira okha a Raspberry Pi
2. Kuyika zida
   • a. Maimidwe anayi amkuwa a M2.5x18mm amuna ndi akazi
   • b. Zomangira zinayi zamkuwa za M2.5x5mm
   • c. Mtedza zinayi zamkuwa wa M2.5
3. Ma jumper awiri.Simufunikanso zodumpha mukamagwiritsa ntchito Khadi Lokha Lokha Lomanga. Onani gawo la STACK LEVEL JUMPERS ngati mukufuna kugwiritsa ntchito makhadi angapo.
4. Zonse zofunika zolumikizira za akazi.

ZOYENERA KUYAMBA KWAMBIRI

1. Lumikizani Khadi lanu la Building Automation Card pamwamba pa Raspberry Pi yanu ndikuwongolera dongosolo.
2. Yambitsani kulumikizana kwa I2C pa Raspberry Pi pogwiritsa ntchito raspi-config.
3. Ikani pulogalamuyo kuchokera ku github.com:
4. a. ~$ git chojambula https://github.com/SequentMicrosystems/megabas-rpi.git
5. b. ~$ cd /home/pi/megabas-rpi
6. c. ~/megabas-rpi$ sudo pangani kukhazikitsa
7. ~/megabas-rpi$ megabas
   Pulogalamuyi idzayankha ndi mndandanda wa malamulo omwe alipo.

KUKHALA KWA BOARD

Ma LED anayi a General Purpose amatha kuwongoleredwa pamapulogalamu. Ma LED amatha kutsegulidwa kuti awonetse momwe zinthu ziliri, zotulutsa kapena njira zakunja.

STACK LEVEL JUMPERS
Malo atatu akumanzere a cholumikizira J3 amagwiritsidwa ntchito kusankha mulingo wa khadi:

ZOWERA ZOSANKHA ZOJUMPERS
Zolowetsa zisanu ndi zitatu zapadziko lonse lapansi zitha kusankhidwa payekhapayekha kuti muwerenge ma thermistors 0-10V, 1K kapena 10K kapena zowerengera zotsekera / zochitika. Mafupipafupi owerengera zochitika ndi 100 Hz.

RS-485/MODBUS COMMUNICATION
Khadi la Building Automation Card lili ndi transceiver wamba ya RS485 yomwe imatha kupezeka ndi purosesa yakomweko komanso ndi Raspberry Pi. Kusintha komwe kufunidwa kumakhazikitsidwa kuchokera ku ma jumper atatu odumphira pa cholumikizira kasinthidwe J3.

Ngati ma jumper ayikidwa, Raspberry Pi imatha kulumikizana ndi chipangizo chilichonse chokhala ndi mawonekedwe a RS485. Pakukonza uku, Khadi la Building Automation Card ndi mlatho wokhazikika womwe umagwiritsa ntchito magawo a hardware omwe amafunikira ndi protocol ya RS485. Kuti mugwiritse ntchito kasinthidwe, muyenera kuuza purosesa yapafupi kuti amasule kuwongolera kwa basi ya RS485:

• ~$ megabas [0] wcfgmb 0 0 0 0

Ngati ma jumper achotsedwa, khadiyo imagwira ntchito ngati kapolo wa MODBUS ndikugwiritsa ntchito protocol ya MODBUS RTU. Mbuye aliyense wa MODBUS atha kupeza zolowa zonse zamakhadi, ndikuyika zotuluka zonse pogwiritsa ntchito malamulo a MODBUS. Mndandanda watsatanetsatane wamalamulo omwe akhazikitsidwa atha kupezeka pa GitHub: https://github.com/SequentMicrosystems/megabas-rpi/blob/master/Modbus.md
M'makonzedwe onse awiri purosesa yam'deralo imayenera kukonzedwa kuti itulutse (jumpers yaikidwa) kapena kulamulira (jumpers kuchotsedwa) zizindikiro za RS485. Onani mzere wothandizira pa intaneti kuti mudziwe zambiri.

RASPBERRY PI HEADER

ZOFUNIKA MPHAMVU
Khadi la Building Automation Card limafuna magetsi akunja a 24VDC/AC. Mphamvu zimaperekedwa ku bolodi kudzera pa cholumikizira chodzipatulira pakona yakumanja yakumanja (onani BOARD LAYOUT). Ma board amavomereza magetsi a DC kapena AC. Ngati gwero lamagetsi la DC likugwiritsidwa ntchito, polarity sizofunikira.

Woyang'anira 5V wakomweko amapereka mphamvu mpaka 3A ku Raspberry Pi, ndipo chowongolera cha 3.3V chimathandizira mabwalo a digito. Ma Isolated DC-DC converters amagwiritsidwa ntchito kupatsa mphamvu ma relay.
TIKUKAMBIRA KUGWIRITSA NTCHITO MPHAMVU YA 24VDC/AC YOKHA KUTI TIMATHE RASPBERRY PI CARD

Ngati Makhadi Ambiri Opangira Zomangamanga ataunjikidwa pamwamba pa mzake, timalimbikitsa kugwiritsa ntchito magetsi a 24VDC/AC kuti azipatsa mphamvu makadi onse. Wogwiritsa ntchito ayenera kugawa chingwe ndikuyendetsa mawaya ku khadi lililonse.

KUGWIRITSA NTCHITO MPHAMVU:

• 50mA @ +24V

ZOTHANDIZA ZA UNIVERSAL
Khadi la Building Automation Card lili ndi zolowetsa zisanu ndi zitatu zapadziko lonse lapansi zomwe zitha kusankhidwa kuti zizitha kuyeza ma siginecha a 0-10V, 1K kapena 10K ma thermistors kapena zotsekera / zowerengera zochitika mpaka 100Hz.

KUSINTHA KWA ZOlowera 0-10V

KUSINTHA KWA ZOCHITIKA ZOCHITIKA / KUSINTHA KWA KUtsekedwa

KUSINTHA KWA KUSINTHA KWA NTCHITO NDI 1K THERMISTORS

KUSINTHA KWA KUSINTHA KWA NTCHITO NDI 10K THERMISTORS

0-10V KUSINTHA ZOPHUNZITSA. MAX LOAD = 10mA

KUSINTHA KWA TRIAC OUTPUTS. MAX LOAD = 1A

WATCHDOG WA HARDWARE

• Khadi la Building Automation Card lili ndi choyang'anira chamagetsi chomwe chimatsimikizira kuti ntchito yanu yofunika kwambiri ipitilira kugwira ntchito ngakhale pulogalamu ya Raspberry Pi itayima. Pambuyo pa mphamvu yoyang'anirayo imayimitsidwa, ndipo imakhala yogwira ntchito ikalandira kukonzanso koyamba.
• Nthawi yokhazikika ndi masekondi 120. Ikangotsegulidwa, ngati sichilandira kukonzanso kuchokera ku Raspberry Pi mkati mwa mphindi ziwiri, wowonerayo amadula mphamvu ndikuyibwezeretsa pambuyo pa masekondi 2.
• Raspberry Pi iyenera kutulutsa lamulo lokhazikitsiranso pa doko la I2C nthawi yowonera isanathe. Nthawi yowerengera pambuyo poyimitsa mphamvu ndi nthawi yogwira ntchito imatha kukhazikitsidwa kuchokera pamzere wolamula. Chiwerengero cha zobwezeretsanso chimasungidwa mu flash ndipo chikhoza kupezeka kapena kuchotsedwa pamzere wolamula. Malamulo onse a ulonda amafotokozedwa ndi ntchito yothandizira pa intaneti.

ZOKHUDZA ANALOG/KUCHULUKA
Zolowetsa zonse za analogi ndi zotuluka zimawunikidwa pafakitale, koma malamulo a firmware amalola wogwiritsa ntchito kuwongoleranso bolodi, kapena kuyisintha kuti ikhale yolondola. Zolowa zonse ndi zotuluka zimayesedwa mu mfundo ziwiri; sankhani mfundo ziwirizo pafupi kwambiri ndi malekezero awiri a sikelo. Kuti atsimikizire zolowetsa, wogwiritsa ntchitoyo ayenera kupereka zizindikiro za analogi. (Eksample: kuti muyese zolowetsa za 0-10V, wogwiritsa ntchito ayenera kupereka magetsi osinthika a 10V). Kuti ayese zotulukapo, wogwiritsa ntchitoyo ayenera kupereka lamulo kuti akhazikitse zotulukapo pamtengo womwe akufuna, kuyeza zotsatira zake ndikupereka lamulo la calibration kuti asunge mtengowo.

Makhalidwe amasungidwa mu flash ndipo curve yolowetsa imaganiziridwa kuti ndi mzere. Ngati cholakwika chachitika panthawi yoyeserera polemba lamulo lolakwika, lamulo la RESET lingagwiritsidwe ntchito kukonzanso mayendedwe onse omwe ali mugulu lofananira kumitengo ya fakitale. Pambuyo pa RESET calibration ikhoza kuyambiranso.

Bolodi imatha kuyesedwa popanda gwero la ma analogi, poyesa koyamba zotuluka kenako ndikuwongolera zotuluka zofananira. Malamulo otsatirawa alipo kuti ayesedwe:

• LINGALIRA 0-10V ZOlowera: megabas cuin
• KUSINTHA KWAMBIRI KWA 0-10V ZOlowera: megabas rcuin
• CALIBRATE ZOlowetsa 10K: megabas cresin
• Bwezeretsani ZOlowetsa 10K: megabas rcresin
• LINGALIRA 0-10V ZOKUPHUNZITSA: megabas cuout
• SHIKANI ZOCHITIKA ZOGWIRITSA NTCHITO MU FLASH: megabas alta_koma
• KUSINTHA KWAMBIRI KWA 0-10V ZOTSATIRA: megabas rcuout

ZAMBIRI ZA ZAMBIRI

ON BOARD RESETTABLE FUSE

0-10V ZOlowetsa:

• Zolemba malire Lowetsani Voltage: 12V
• Kulowetsa Impedance: 20KΩ pa
• Kusamvana: 12 biti
• Sampmtengo: tbd

ZOKHUDZA ZOTHANDIZA ZOtsekera

• Mafupipafupi owerengera: 100hz pa

0-10V ZOPHUNZITSA:

• Katundu Wochepa Wotulutsa: 1KΩ pa
• Chigamulo: 13 TIDZAKHALA

TRIAC OUTPUTS:

• Kutulutsa Kwambiri Panopa: 1A
• Zolemba malire linanena bungwe Voltage: 120V

LINEARITY PA FULL SALE

• Zolowetsa zaanalogi zimasinthidwa pogwiritsa ntchito zosinthira 12-bit A/D mkati mwa purosesa yomwe ili pa board. Zolowetsa ndi sampanatsogolera pa 675 Hz.
• Zotsatira za analogi ndi PWM zopangidwa pogwiritsa ntchito 16 bit timer. Makhalidwe a PWM amachokera ku 0 mpaka 4,800.
• Zolowa zonse ndi zotuluka zimayesedwa pa nthawi yoyeserera kumapeto ndipo zikhalidwe zimasungidwa mu flash.
• Pambuyo pa calibration tinayang'ana mzere wonsewo ndikupeza zotsatirazi:

Channel/Zambiri/Zolakwika %

• 0-10V MU: 15μV: 0.15%
• 0-10V: Kutuluka: 10μV 0.1%

MFUNDO ZA MAKE

KUKHALA KWA SOFTWARE

1. Khalani ndi Raspberry Pi yanu yokonzekera ndi OS yaposachedwa.
2. Yambitsani kulumikizana kwa I2C:
   ~$ sudo raspi-config 
   • Sinthani Mawu Achinsinsi Ogwiritsa Ntchito Kwa ogwiritsa ntchito osasintha
   • Netiweki Zosankha Konzani makonda a netiweki
   • Zosankha Zoyambira Konzani zosankha zoyambira
   • Zosankha Zakumalo Konzani zilankhulo ndi madera kuti zigwirizane..
   • Konzani zolumikizirana Konzani zolumikizira ku zotumphukira
   • Overclock Konzani overclocking kwa Pi yanu
   • Zosankha Zapamwamba Konzani zokonda zapamwamba
   • Sinthani Sinthani chidachi kukhala chatsopano
   • Za raspi-config Zambiri za kasinthidwe uku
     • Kamera ya P1 Yambitsani / Letsani kulumikizana ndi Raspberry Pi Camera
     • P2 SSH Yambitsani / Letsani kulumikizana kwa mzere wakutali ku Pi yanu
     • P3 VNC Yambitsani / Letsani mwayi wofikira kutali ndi Pi yanu pogwiritsa ntchito…
     • P4 SPI Yambitsani/Letsani kutsitsa kwa SPI kernel module
     • P5 I2C Yambitsani/Zimitsani kutsitsa kwa I2C kernel module
     • P6 Seri Yambitsani / Letsani mauthenga a chipolopolo ndi kernel ku doko la serial
     • P7 1-Waya Yambitsani/Zimitsani mawonekedwe a waya umodzi
     • P8 Remote GPIO Yambitsani / Letsani mwayi wakutali ku zikhomo za GPIO
3. Ikani pulogalamu ya megabas kuchokera ku github.com:
   • ~$ git chojambula https://github.com/SequentMicrosystems/megabas-rpi.git
4. 4. ~$ cd /home/pi/megabas-rpi
5. 5. ~/megaioind-rpi$ sudo pangani kukhazikitsa
6. 6. ~/megaioind-rpi$ megabas
   Pulogalamuyi idzayankha ndi mndandanda wa malamulo omwe alipo.

Lembani "megabas -h" kuti muthandizidwe pa intaneti.
Mukakhazikitsa pulogalamuyo, mutha kuyisintha kukhala yaposachedwa ndi malamulo awa:

• ~$cd /home/pi/megabas-rpi
• ~/megabas-rpi$ git kukoka
• ~/megabas-rpi$ sudo pangani kukhazikitsa

Zolemba / Zothandizira

SEQUENT MICROSYSTEMS 0104110000076748 Khadi Lopanga Makina Opanga a Raspberry Pi [pdf] Buku Logwiritsa Ntchito 0104110000076748 Card Automation Card ya Raspberry Pi, 0104110000076748, Khadi Lopanga Lopanga la Raspberry Pi, Khadi Lopanga Lopanga Lopanga, Khadi lodzichitira nokha, Khadi

Maumboni

• Buku Logwiritsa Ntchito