GE PACSystems RX3i vs RXi Edge: Binciken Fasaha Mai zurfi Na Injiniyan Kula da Tsari
Tushen Tsarin Gine-ginen System
RX3i yana aiki ne da tsarin sikan na backplane mai tabbataccen lokaci (deterministic). Kowane module yana sadarwa ta hanyar I/O bus da aka ɗaure da ƙwaƙwalwa (memory-mapped). RXi Edge yana amfani da samfurin asynchronous publish-subscribe. Bayanai suna tafiya tsakanin ayyuka ta amfani da sararin ƙwaƙwalwa na bai daya (shared memory spaces). Waɗannan zaɓuɓɓukan tsari suna canza ainihin yadda kowane mai sarrafawa ke sarrafa shigarwa da fitarwa.
Ayyukan Mai Sarrafawa a Lokacin Nauyi
RX3i na ƙunshe da mai sarrafawa mai 1 GHz dual-core tare da ƙwaƙwalwar da ke amfani da error correction code. Mafi girman ƙarfin lojik na mai amfani yana kaiwa 10 MB. Ayyukan lissafin integer na yau da kullum suna gudana a cikin microsecond 0.8 a kowace aiki. Lissafin floating point yana buƙatar microsecond 3.2 a kowane umarni. RXi Edge yana amfani da CPU mai 2.5 GHz quad-core tare da 16 GB RAM mara ECC. Sarrafa manyan arrays masu rikitarwa yana kammala aiki sau 40 fiye da RX3i cikin sauri. Duk da haka, jit na ainihin lokaci yana ƙaruwa da microsecond 300 a lokacin da nauyin lissafi ya yi yawa.
| Ma’aunin Aiki | RX3i | RXi Edge |
|---|---|---|
| Mafi ƙarancin Zagayen Sikan | 1 ms | 500 μs |
| Jit na al’ada | ±50 μs | ±200 μs |
| Ƙwaƙwalwar Lojik | 64 MB | 8 GB |
| Ƙarfin I/O | 32,768 points | 8,000 points |
Tunanoni Kan I/O Subsystem da Wayoyin Filɗi
RX3i yana karɓar har zuwa kayayyakin analog 64 a kowace rack. Kowace module tana bayar da ƙuduri 16-bit tare da daidaito 0.1%. Shigarwar thermocouple suna haɗa diyya ta cold junction a kowane tashar. RXi Edge yana tallafawa rarraba I/O ne kawai ta couplers na EtherCAT. Mafi yawan nisan daga mai sarrafawa zuwa na’urar ƙarshe ya kai mita 100. Ƙare kebul mai garkuwa yana buƙatar a yi masa grounding a gefe guda kawai. Don muhallin da ke da hayaniya mai yawa, a yi amfani da kayayyakin shigarwa masu warewa (isolated input modules) a dandalin biyu.
Kwatanta Hanyoyin Shirye-shirye
Tsarin aiwatar da ladder logic a RX3i yana bi daga hagu zuwa dama, daga sama zuwa ƙasa. Function block diagrams suna sabuntawa ba tare da daidaitaccen lokaci ba idan shigarwa ta canza. Zagaye na structured text suna buƙatar kulawa sosai wajen sarrafa lokacin karewa (timeout). RXi Edge yana ba da damar shirye-shiryen harsuna gauraye a cikin aiki guda. Ana iya kiran ayyukan IEC kai tsaye daga cikin rubutun Python. Injiniyoyi ya kamata su lura cewa kayan aikin dubawa (debugging tools) sun bambanta sosai. RX3i yana ba da bin diddigin sigogi a ainihin lokaci da daidaiton 1 ms. RXi Edge yana samar da yin rajistar bayanai a duk tsarin tare da taken lokaci na microsecond.
Jagorar Haɗa Cibiyoyin Masana’antu
Saita saƙon EtherNet/IP implicit don musayar I/O na zagaye. Sanya tazarar fakitin da ake buƙata tsakanin 2 ms da 100 ms. Don Modbus TCP, takaita bulokin karanta coil zuwa bit 2,000 a kowace buƙata. Profibus DP na buƙatar waje coupler tare da shigo da fayil ɗin GSD. RXi Edge native MQTT yana amfani da ɓoyayyen TLS 1.3 ta tsohuwa. Lokacin jira kafin a sake gwada haɗin broker ya kamata ya fara da daƙiƙa 5. Uwar garken OPC UA tana tallafawa har zuwa zaman abokan ciniki 50 a lokaci guda.
Hanyar Girka A Fage Daga Kunna Wuta Har Zuwa Fara Samarwa
- Tabbatar da daidaiton DIN rail da kuskuren 0.5 mm a kowace mita.
- Sanya ƙugiyoyin kullewa (end clamps) a bangarori biyu na kowane rukuni na module.
- Shafa man sanyaya zafi (thermal paste) tsakanin wutar lantarki da farantin hawa.
- Haɗa wayar ƙasa da ƙaramin yanki na aƙalla 4 mm².
- A auna juriyar keɓewa (insulation resistance) a 500V DC tsakanin matakai da ƙasa.
- Hawan ƙarfin wutar wutar lantarki (power supply ramp-up) dole ya kasance cikin 10 ms zuwa 50 ms.
- Duba raguwar ƙarfin wutar bas 24V a ƙarƙashin cikakken nauyi (max 3%).
- Ba da adireshin IP ta amfani da lambar ƙarshe da ta yi daidai da lambar rack da slot.
- Loda aikin komai babu (empty project) kafin daidaita kayan aiki.
- Yi gwajin maida I/O (echo test) tare da tilasta fitoyi da wayoyin loopback.
Magance Matsalolin Filin Da Ake Yawan Fuskanta
Kyalkyali ja na LED na CPU yana nuna firmware ya lalace. Don dawo da aiki ana buƙatar katin SD da ke da bootloader sigar 2.1 ko mafi sabo. Kurakuran kare-agi na lokaci (watchdog timeout faults) yawanci suna samo asali ne daga madaukai marasa ƙarewa a cikin structured text. Ƙara sharuɗɗan fita bisa lokaci bayan juyowa 500. Asarar sadarwa a RXi Edge yawanci tana biyo baya ne ga kwanakin takardar shaidar (certificate) da ba daidai ba. Daidaita agogon ainihin lokaci kafin kunna TLS. Kyalli-kyalli a kan na'urar shigarwa (input module) na nuna ƙarancin daidaitawar wutar lantarki. Ƙara capacitor 4,700 μF a fadin sandunan bas na DC.
Bayanan Samarwa Daga Tsare-tsaren Da Aka Riga Aka Girka
Wata masana'antar sinadarai ta maye gurbin tsohon PLC da RX3i da ke sarrafa gangar jikin reactor guda 8. Yawan sabunta madauwari PID ya inganta daga 100 ms zuwa 20 ms. Wuce kima na zafin jiki ya ragu daga 3°C zuwa 0.7°C. An ƙara yawan samarwa na shekara da tan metrik 340. Wata cibiyar sufuri da rarraba kaya ta girka RXi Edge don yankunan conveyor 52. Sarrafawa a gida ta rage tambayoyin zuwa uwar garken tsakiya daga 12,000 zuwa 800 a sakan. Lokutan tsayuwar aiki saboda cunkoson hanyar sadarwa sun ragu da kashi 87%. Wata cibiyar samar da wuta tana amfani da tsarin hadaka. RX3i yana sarrafa kula da governor na turbine da saurin bincike (scan rate) na 2 ms. RXi Edge yana nazarin bayanan girgiza daga na'urori masu auna sigina 36. Gyaran hasashe (predictive maintenance) ya gano matsalar bearing kwanaki 14 kafin karyewa.
Matakan Ƙarfafa Tsaro Kafin Haɗa Da Cibiyar Sadarwa
Kashe uwar garken HTTP na daidaita saituna a duka dandamali. Canja kalmomin wucewa na tsoho cikin sa'a ta farko bayan fara aiki. Ƙirƙiri asusun mai amfani dabam-dabam ga kowane mai aikin kula da kayan aiki. Saita lokacin kare zaman aiki (session timeout) zuwa akalla dakikoki 300 mafi yawa. Fitar da bayanan rikodin duba ayyuka (audit logs) a kowane mako zuwa uwar garken syslog na tsakiya. Don RXi Edge, rufe duk tashoshi (ports) sai kawai 4840 don OPC UA. Yi amfani da tacewar adireshin MAC a kan tashoshin Ethernet da ba a amfani da su.
Gudanar da Zagayen Rayuwa da Sabunta Firmware
Duba matriks ɗin jituwa na GE kafin kowane sabunta firmware. Mayar da baya (downgrade) yana buƙatar share ƙwaƙwalwa gaba ɗaya da sake saita na’ura zuwa yanayin masana’anta. Yi backup na user logic da bayanan tag kafin farawa. Jerin matakan sabuntawa ya kamata ya bi haka: wutar lantarki (power supply), CPU, modules na I/O, katunan sadarwa. Tabbatar da sabuntawa ta hanyar kwatanta ƙimar checksum. Tsarin mayar da baya yana ɗaukar kusan mintuna 45 don rack mai ramuka 12. Ku tsara sabuntawa ne kawai a lokacin lokutan gyaran da aka riga aka tsara.
Binciken Tsada\-da\-Ayyuka don Siyan Injiniyoyi
| Ma’aunin Zaɓe | Ana Ba da Shawarar RX3i | Ana Ba da Shawarar RXi Edge |
|---|---|---|
| Yawan tashoshin Analog I/O sama da tashoshi 512 | Ee | A’a |
| Ci gaban algorithms na musamman | Ƙuntatacce | Ee |
| Motion control tare da akwaye 4 ko fiye | Ee | A’a |
| Haɗa bayanai da cloud | Gateway na waje | Asali |
| Tushen kayan GE da aka riga aka girka | Ee | Ana buƙatar ƙaura (migration) |
Shawarwari na Masana daga Injiniyoyin Sabis na Filin Aiki
Ajiye na’urorin wutar RX3i na ajiya a kowane wuri. Yawan gazawa yana ƙaruwa bayan sa’o’i 50,000 na aiki. Ajiye ajiyar saitunan tsarin (configuration archives) a kan nau’ikan kafofi guda uku dabam. Yi alama ga duk wayoyi da sunan tag da ma’aunin sigina. Don RXi Edge, saka UPS na masana’antu mai iya aiki na mintuna 30 idan wuta ta yanke. Kulawa da lalacewar SSD ya kamata a gudana a kowane wata ga aikace\-aikacen da ke da rubuce\-rubuce da yawa. Horar da ma’aikatan kula da kayan aiki a dandalin biyu duk da dandalin da aka fi amfani da shi.
Tambayoyi da Ake Yawan Yi daga Wuraren Shigar da Kayan Aiki
Ta yaya za a ƙididdige mafi munin lokacin scan (worst\-case scan time) don RX3i?
Ƙara 0.5 ms don nauyin CPU (overhead) da 0.2 ms ga kowace aikin bincike (diagnostic) da aka kunna. Don modules 32 na I/O, yawanci lokacin scan yana kaiwa ms 8 zuwa ms 12. Yi amfani da kayan aikin saka idon aiki (task monitoring tool) don auna ainihin ƙimomin.
Menene ke haifar da ɗan lokaci ɗan lokaci na ɓacewar sadarwa a kan RXi Edge?
Duba radius ɗin lanƙwasa na kebul na Ethernet (aƙalla ninki 4 na diamita na kebul). Tabbatar bambancin ƙarfin wutar ƙasa (grounding potential difference) bai haura 1V tsakanin na’urori ba. Duba ƙididdigar tashar switch don gano kurakuran CRC.
Shin ana iya gudanar da lambar RX3i da ake da ita a kan RXi Edge ba tare da gyara ta ba?
Fitar da bayanai zuwa tsarin XML da farko. Shigo da bayanai yana buƙatar daidaita adireshin na modules da sunayen alamomi (symbolic names). Kimanin kashi 70% na lissafi (logic) yana wucewa ta atomatik. Dole ne a sake rubuta blocks na motion control gaba ɗaya.
Takaitaccen Bayanin Fasaha don Zane na Tsarin Kula da Aiki
RX3i yana da ƙwarewa a cikin deterministic control tare da manyan adadin tashoshin analog. RXi Edge yana da rinjaye a fannin sarrafa bayanai da haɗin kai da cloud. Babu ɗayan dandamalin da ya dace da kowace irin aikace-aikace gaba ɗaya. Daidaita tsarin mai sarrafawa da ainihin buƙatun tsarin aikin ku. Rubuta sakamakon gwaje-gwajen benchmark kafin kammala bayanin fasaha na ƙarshe. Yi la’akari da ƙirar haɗa\-haɗe (hybrid) don samun mafi girman sassauci.
