Katin Gina Kayan Aikin Gina na Pi Hut don Jagorar Mai Amfani da Rasberi Pi

Ƙarni na biyu na Katin Gina Automation ɗin mu yana kawo wa dandalin Rasberi Pi duk abubuwan da ake buƙata da abubuwan da ake buƙata don Gina Tsarin Automation. Matsakaicin matakan 8, katin yana aiki tare da duk nau'ikan Rasberi Pi, daga Zero zuwa 4.
Biyu na Rasberi Pi's GPIO fil ana amfani da su don sadarwar I2C. An ware wani fil don mai kula da katsewa, yana barin fil 23 GPIO don mai amfani.
Abubuwan shigarwa na duniya guda takwas, waɗanda za'a iya zaɓa daban-daban, suna ba ku damar karanta siginonin 0-10V, ƙidaya ƙullewar lamba, ko auna yanayin zafi ta amfani da 1K ko 10K masu zafi. Abubuwan da aka tsara na 0-10V guda huɗu na iya sarrafa dimmers masu haske ko wasu na'urorin masana'antu. Abubuwan triac guda huɗu na 24VAC na iya sarrafa relays AC ko kayan dumama da sanyaya. Manufofin LED suna nuna matsayi na duk abubuwan da aka fitar. Tashar tashar jiragen ruwa ta RS485/MODBUS ta ba da izinin fadada iyaka mara iyaka. Ƙarshe amma ba kalla ba, ana iya amfani da sabon tashar jiragen ruwa 1-WIRE don karanta zafin jiki daga firikwensin DS18B20.
TVS diodes akan duk abubuwan da aka shigar suna kare katin don ESD na waje. Fis mai sake saitawa akan jirgin yana kare shi daga gajeren wando na bazata. Single 24V AC ko tushen wutar lantarki na DC na iya samar da 5V/3A don Rasberi Pi.

SIFFOFI

Jump takwas saiti na duniya, abubuwan shigar analog/dijital
0-10V abubuwan shigarwa ko
Tuntuɓi Abubuwan Ma'aunin Rufewa ko
1K/10K Na'urar Sensor Abubuwan Shiga
Fitar 0-10V huɗu
Fitowar TRIAC guda huɗu tare da direbobi 1A/48VAC
LED's General Purpose guda hudu
RS485/MODBUS tashar jiragen ruwa
Agogon ainihin lokaci tare da ajiyar baturi
Maɓallin turawa kan-jirgin
1-WIRE dubawa
Kariyar TVS akan duk abubuwan shiga
Akan-jirgin Hardware Watchdog
24VAC/DC wutar lantarki

Duk abubuwan da ake shigarwa da fitarwa suna amfani da masu haɗawa masu toshewa waɗanda ke ba da izinin shiga cikin sauƙi lokacin da aka tara katunan da yawa. Har zuwa Katunan Gina Automation guda takwas ana iya tara su a saman Rasberi Pi guda ɗaya. Katunan suna raba jerin bas ɗin I2C ta amfani da biyu kawai na Rasberi Pi's GPIO fil don sarrafa duk katunan takwas.
Ana iya haɗa manyan maƙasudin LED guda huɗu tare da abubuwan shigar analog ko wasu hanyoyin sarrafawa.
Ana iya tsara maɓallin turawa a kan jirgi don yanke abubuwan shigarwa, soke abubuwan da aka fitar ko rufe Rasberi Pi.

MENENE A CIKIN KIT

Katin Gina Automation don Rasberi Pi
Kayan aikin hawaa. Hudu M2.5x18mm namiji-mace tagulla tsayawa
b. Hudu M2.5x5mm tagulla sukurori
c. Guda hudu M2.5 tagulla
Masu tsalle biyu.Ba kwa buƙatar masu tsalle yayin amfani da Katin Gina Automation guda ɗaya kawai. Duba sashen STACK LEVEL JUMPERS idan kuna shirin amfani da katunan da yawa.

Duk masu haɗa ma'auratan mata da ake buƙata.

SAURAN JAGORAN FARUWA

Haɗa Katin Gina Automation ɗin ku a saman Rasberi Pi ɗin ku kuma kunna tsarin.
Kunna sadarwar I2C akan Rasberi Pi ta amfani da raspi-config.
Shigar da software daga github.com:
a. ~$ git clone https://github.com/SequentMicrosystems/megabas-rpi.git
b. ~$ cd /home/pi/megabas-rpi
c. ~/ megabas-rpi $ sudo sanya shigarwa

~/megabas-rpi$ megabas
Shirin zai amsa tare da jerin umarni da ake da su.

LAYIN BOARD

Ana iya sarrafa manyan LEDs guda huɗu a cikin software. Ana iya kunna LEDs don nuna matsayin kowane shigarwa, fitarwa ko tsari na waje.

MATSALAR TSARKI

Ana amfani da matsayi uku na hagu na mai haɗa J3 don zaɓar matakin matakin katin:

ZABEN SHIGA JUMPERS

Abubuwan shigarwa na duniya guda takwas za a iya zaɓe su daban-daban don karanta 0-10V, 1K ko 10K thermistors ko lambobin rufewa/ƙirar taron. Matsakaicin mitar ƙididdiga na taron shine 100 Hz.

RS-485/MODUS COMMUNICATION

Katin Automation na Ginin yana ƙunshe da daidaitaccen transceiver na RS485 wanda na'ura mai sarrafa gida da kuma Rasberi Pi za'a iya isa gare shi. An saita tsarin da ake so daga masu tsalle-tsalle guda uku akan mai haɗin haɗin gwiwa J3.

Idan an shigar da masu tsalle-tsalle, Rasberi Pi na iya sadarwa tare da kowace na'ura mai keɓancewar RS485. A cikin wannan saitin Katin Gine-gine Automation gada ce mai wucewa wacce ke aiwatar da matakan kayan aikin kawai da ka'idar RS485 ke buƙata. Don amfani da wannan saitin, kuna buƙatar gaya wa mai sarrafa gida don sakin sarrafa bas ɗin RS485:
~$ megabas [0] wcfgmb 0 0 0 0
Idan an cire masu tsalle, katin yana aiki azaman bawa MODBUS kuma yana aiwatar da ka'idar MODBUS RTU. Duk wani maigidan MODBUS na iya samun dama ga duk abubuwan shigar da katin, kuma ya saita duk abubuwan da aka fitar ta amfani da daidaitattun umarnin MODBUS. Ana iya samun cikakken jerin umarnin da aka aiwatar akan GitHub:
https://github.com/SequentMicrosystems/megabas-rpi/blob/master/Modbus.md
A cikin duka saituna guda biyu na ƙirar na'ura na gida yana buƙatar tsarawa don saki (saka da tsalle-tsalle) ko sarrafawa (cire masu tsalle) alamun RS485. Duba taimakon layin umarni don ƙarin bayani.

RASPBERRY PI HEADER

ABUBUWAN WUTA

Katin Automation na Gine-gine yana buƙatar samar da wutar lantarki na waje na 24VDC/AC. Ana ba da wutar lantarki ga allo ta hanyar haɗin haɗin da aka keɓe a kusurwar dama ta sama (duba LAYOUT BOARD). Allolin suna karɓar ko dai DC ko tushen wutar lantarki. Idan ana amfani da tushen wutar lantarki na DC, polarity ba shi da mahimmanci. Mai sarrafa 5V na gida yana ba da wutar lantarki har zuwa 3A zuwa Raspberry Pi, kuma mai sarrafa 3.3V yana ba da ikon da'irori na dijital. Ana amfani da keɓantattun masu canza DC-DC don kunna relays.

MUNA SHAWARAR YIN AMFANI DA WUTA 24VDC/AC KAWAI
DOMIN WUTA KATIN PI RASPBERRY
Idan Katunan Kayan Aikin Gina da yawa an jeri saman juna, muna ba da shawarar amfani da wutar lantarki guda 24VDC/AC don kunna dukkan katunan. Dole ne mai amfani ya raba kebul kuma ya tafiyar da wayoyi zuwa kowane kati.
CIN WUTA:
• 50 mA @ +24V

MAGANAR UNIVERSAL

Katin Automation na Gina yana da abubuwan shigar duniya guda takwas waɗanda za a iya zaɓan jumper don auna siginar 010V, 1K ko 10K thermistors ko lamba ƙulli/ƙirar taron har zuwa 100Hz.

GABATARWA RUFE RUFE / LAMBATAR FARUWA

GABATARWA AUNA AUNA AZUMI TAREDA 1K THERMISTORS

GABATARWA AUNA AUNA AZUMI TAREDA 10K THERMISTORS

0-10V GABATARWA FITARWA. MAX LOAD = 10mA

HARDWARE WATCHDOG

Katin Gina Automation ɗin Gina ya ƙunshi ginanniyar sa ido na kayan masarufi wanda zai ba da tabbacin cewa muhimmin aikin aikin ku zai ci gaba da gudana koda kuwa software na Rasberi Pi ya rataye. Bayan kunnawa mai sa ido ya kashe, kuma yana aiki bayan ya sami sake saiti na farko.
Matsakaicin lokacin ƙare shine 120 seconds. Da zarar an kunna, idan bai sami sake saiti daga Rasberi Pi a cikin mintuna 2 ba, mai sa ido ya yanke wutar kuma ya mayar da shi bayan daƙiƙa 10.
Rasberi Pi yana buƙatar bayar da umarnin sake saiti akan tashar jiragen ruwa na I2C kafin mai ƙidayar lokaci akan agogon ya ƙare.
Za'a iya saita lokacin mai ƙidayar bayan kunna wuta da lokacin mai ƙidayar aiki daga layin umarni. Ana adana adadin sake saiti a cikin walƙiya kuma ana iya samun dama ko sharewa daga layin umarni. Ana kwatanta duk umarnin sa ido ta aikin taimakon kan layi.

ANALOG INPUTS / FITAR DA CALIBRATION

Dukkan abubuwan shigar da analog da abubuwan da aka fitar an daidaita su a masana'anta, amma umarnin firmware yana ba mai amfani damar sake daidaita allon, ko daidaita shi zuwa daidaici. Dukkan abubuwan da aka shigar da su an daidaita su cikin maki biyu; zaɓi maki biyu a matsayin kusa da yiwuwar zuwa ƙarshen ma'auni biyu. Don daidaita abubuwan shigar, dole ne mai amfani ya samar da siginar analog. (Example: don daidaita abubuwan 0-10V, mai amfani dole ne ya samar da wutar lantarki mai daidaitacce 10V). Don daidaita abubuwan fitarwa, mai amfani dole ne ya ba da umarni don saita fitarwa zuwa ƙimar da ake so, auna sakamakon kuma ya ba da umarnin daidaitawa don adana ƙimar.
Ana adana dabi'u a cikin walƙiya kuma ana ɗaukan tsarin shigar da layin layi ne. Idan an yi kuskure yayin daidaitawa ta hanyar buga umarnin da ba daidai ba, ana iya amfani da umarnin RESET don sake saita duk tashoshi a rukunin da suka dace zuwa ƙimar masana'anta. Bayan SAKE SAKE gyare-gyare za'a iya sake farawa.
Ana iya daidaita allo ba tare da tushen siginar analog ba, ta hanyar daidaita abubuwan da aka fara da farko sannan kuma a tura abubuwan da aka daidaita zuwa abubuwan da suka dace. Akwai umarni masu zuwa don daidaitawa:

CALIBRATE 0-10V SHIGA:	megaba cin abinci
Sake saitin gyare-gyare na 0-10V shigarwar:	megaba cin duri
CALIBRATE 10K GABATARWA:	megabas cresin
SAKE SANTA KYAUTA 10K:	megabas rcresin
CALIBRATE 0-10V Fitar:	megaba yanke
KYAUTA MAI KYAUTA A KYAUTA A FLASH:	megaba alta_comanda
SAKE SAKE SANTA KYAUTA NA 0-10V:	megabas rudu

BAYANIN HARDWARE

AKAN FUSE MAI SAKE SAKE SAUKI: 1A

0-10V SHIGA:

• Matsakaicin Input Voltage:	12V
Ƙunƙarar Shigarwa:	20K
• Yanke shawara:	12 bits
• Sampda daraja:	tbd

MAGANAR RUFE CONTAC

Matsakaicin ƙidaya: 100 Hz

0-10V FITARWA:

Mafi ƙarancin fitarwa: 1KΩ
Ƙaddamarwa: 13 BITS

Fitar da TRIAC:

Matsakaicin fitarwa na yanzu: 1A
Matsakaicin Fitarwa Voltagku: 120v

LINEARITY AKAN CIKAKKEN SUNA

Ana sarrafa abubuwan shigar da analog ta amfani da masu canza A/D 12-bit na ciki zuwa na'ura mai sarrafa kan allo. Abubuwan da aka shigar sune sampya kai 675 Hz.
Abubuwan Analog ɗin ana haɗa su ta hanyar amfani da masu ƙidayar bit 16. Ƙimar PWM tana daga 0 zuwa 4,800.
Duk abubuwan da aka shigar da abubuwan da ake fitarwa ana daidaita su a lokacin gwaji a wuraren ƙarshen kuma ana adana ƙima cikin walƙiya.
Bayan daidaitawa mun duba layin a kan cikakken sikelin kuma mun sami sakamako masu zuwa:

Tashoshi	Kuskuren Max	%
0-10V IN	15 μV	0.15%
0-10V FITA	10 μV	0.10%

BAYANIN MICHANICAL

SAFTWARE SETUP

Shirya Rasberi Pi tare da sabuwar OS.

Kunna sadarwar I2C: ~$ sudo raspi-config

1. Canja kalmar wucewar mai amfani	Canja kalmar sirri don tsohon mai amfani
2. Zaɓuɓɓukan hanyar sadarwa	Sanya saitunan cibiyar sadarwa
3. Zaɓuɓɓukan Boot	Sanya zaɓuɓɓuka don farawa
4. Zaɓuɓɓukan Ƙirƙirar Gida	Saita harshe da saitunan yanki don daidaitawa..
5. Zaɓuɓɓukan hulɗa	Sanya haɗin kai zuwa abubuwan da ke kewaye
6. Karfe	Sanya overclocking don Pi naku
7. Zaɓuɓɓuka na ci gaba	Sanya saitunan ci gaba
8. Sabuntawa	Sabunta wannan kayan aiki zuwa sabon sigar
9. Game da raspi-config	Bayani game da wannan tsari

P1	Kamara	Kunna/Kashe haɗin kai zuwa Kyamar Rasberi Pi
P2	SSH	Kunna/Kware damar layin umarni mai nisa zuwa Pi naku
P3	VNC	Kunna/Musaki damar nesa ta hoto zuwa Pi ta amfani da…
P4	SPI	Kunna/Kashe lodi ta atomatik na ƙirar kwaya ta SPI
P5	I2C	Kunna/A kashe lodi ta atomatik na I2C kernel module
P6	Serial	Kunna/A kashe saƙonnin harsashi da kwaya zuwa tashar tashar jiragen ruwa
P7	1-Waya	Kunna/Musakin keɓancewar hanyar waya ɗaya
P8	GPIO mai nisa	Kunna/Kashe damar nesa zuwa fil ɗin GPIO

Shigar da software na megabas daga github.com: ~$ git clone https://github.com/SequentMicrosystems/megabas-rpi.git

~$ cd /home/pi/megabas-rpi
~/ megaioind-rpi$ sudo sanya shigarwa
~/megaioind-rpi$ megabas

Shirin zai amsa tare da jerin umarni da ake da su.
Buga "megabas -h" don taimakon kan layi.
Bayan shigar da software, zaku iya sabunta ta zuwa sabon sigar tare da umarni:
~$ cd /home/pi/megabas-rpi
~/ megabas-rpi$ git ja
~/ megabas-rpi $ sudo sanya shigarwa

Takardu / Albarkatu

Katin Gine-gine na Pi Hut don Rasberi Pi [pdf] Jagorar mai amfani
Katin Gina Automation don Rasberi Pi, Katin Automation na Gina, Katin Automation don Rasberi Pi, Rasberi Pi Gina Katin Automation

Magana

Manual mai amfani

BAYANI BAYANI