{"product_id":"beckhoff-el3208-8-channel-rtd-input-terminal-16-bit-pt100-ni1000","title":"BECKHOFF EL3208 8 kanalli RTD kirish terminali 16 bit Pt100\/Ni1000","description":"\u003ch3\u003eMahsulot haqida umumiy ma’lumot\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208 (EL3208)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— EtherCAT I\/O tizimida haroratni aniq o‘lchash uchun mo‘ljallangan, yuqori zichlikdagi (HD) 8 kanalli analog kirish terminali. Sanoat pechlari, plastikni inyeksion qoliplash mashinalari va HVAC qurilmalarida ko‘p zonali issiqlik monitoringi uchun ishlab chiqilgan \u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePt100, Pt1000 va Ni1000 sensorlarini o‘z ichiga olgan qarshilikli harorat detektorlarining (RTD) keng turini qo‘llab-quvvatlaydi. 8 ta o‘lchash kanalini bitta 12 mm korpusga birlashtirgani sababli, u nihoyatda yuqori I\/O zichligini ta’minlaydi va DIN-reykada talab qilinadigan joyni sezilarli darajada kamaytiradi. 16 bitli aniqlik har bir raqam uchun 0,1 Selsiy darajasidagi harorat bosqichini ta’minlaydi, bu esa sezgir kimyoviy yoki ishlab chiqarish jarayonlari uchun zarur bo‘lgan barqaror va aniq issiqlik nazoratini amalga oshirish imkonini beradi.\u003c\/p\u003e\n\u003ch3\u003eTexnik konfiguratsiya\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapparat arxitekturasi barcha 8 kanal uchun 2 simli ulanish texnologiyasidan foydalanadi. Bu sensor simlari nisbatan qisqa bo‘lgan yoki sim qarshiligini dasturiy ta’minot orqali kompensatsiya qilish mumkin bo‘lgan, joyni tejovchi o‘rnatishlar uchun optimallashtirilgan. Terminal TwinCAT System Manager orqali sozlanadigan integratsiyalashgan raqamli filtrga ega bo‘lib, u o‘zgartirish vaqtini 3 ms dan 1600 ms gacha sozlash imkonini beradi. Shu tariqa muhandislar yuqori tezlikdagi javob va shovqinni samarali bostirish o‘rtasida muvozanatni tanlashlari mumkin. Tizim xavfsizligini oshirish uchun \u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echegaraviy qiymatlarni monitoring qilish hamda sensor uzilishi\/qisqa tutashuvini aniqlash funksiyalarini o‘z ichiga oladi. Modul to‘liq E-bus orqali quvvatlanadi, odatda 140 mA tok iste’mol qiladi va ichki EtherCAT aloqasini maydon tomoni xalaqitlaridan himoya qilish uchun 500 V elektr izolyatsiyasini ta’minlaydi.\u003c\/p\u003e\n\u003ch3\u003eTexnik xususiyatlar\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eXususiyat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTexnik ko‘rsatkich\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEL3208\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrend\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBECKHOFF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIshlab chiqarilgan mamlakat\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGermaniya\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eKirishlar soni\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAniqlik\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 bit (har bir raqam uchun 0,1 Selsiy)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensor turlari\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, KTY, qarshilik\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eO‘lchash diapazoni (Pt)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-200 dan +850 Selsiygacha\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eO‘lchash diapazoni (Ni)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-60 dan +250 Selsiygacha\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUlanish usuli\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 simli\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eO‘zgartirish vaqti\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e170 ms (standart), 3 dan 1600 ms gacha (sozlanadigan)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eO‘lchash xatosi\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePt sensorlari uchun \u0026lt; +\/- 0,5 Selsiy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eO‘lchamlari (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 mm x 100 mm x 68 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIshlash harorati\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 dan +60 Selsiygacha\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTexnik savol-javoblar\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e2 simli ulanishda sim qarshiligini qanday kompensatsiya qilish mumkin?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 simli usuldan foydalangani sababli, ulash kabelining qarshiligi sensor qiymatiga qo‘shiladi. Aniqlikni saqlash uchun TwinCAT dasturida kabel qarshiligini o‘lchab, terminalning CoE (EtherCAT orqali CanOpen) sozlamalarida offset qiymatini kiritish orqali buni kompensatsiya qilishingiz mumkin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEL3208 standart rezistorlar yoki potensiometrlarni o‘lchay oladimi?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHa. Harorat sensorlaridan tashqari, terminal 10 Om dan 4 kOm gacha bo‘lgan diapazonda sof qarshilikni o‘lchash uchun sozlanishi mumkin. Bu uni potensiometr holatini yoki boshqa qarshilikli o‘zgartkichlarni monitoring qilish uchun ham moslashuvchan qurilmaga aylantiradi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSensor simi uzilsa nima bo‘ladi?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eochiq zanjirlarni aniqlaydi. Sim uzilishi aniqlanganda, zararlangan kanal uchun holat biti jarayon tasvirida o‘rnatiladi va qiymat odatda maksimal chegaraga (masalan, 0x7FFF) o‘tadi. Bu PLC mantiqiga xavfsiz o‘chirish yoki signalizatsiyani ishga tushirish imkonini beradi.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eMontaj va o‘rnatish bo‘yicha qo‘llanma\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eYuqori zichlik uchun simlarni ulash:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eyuqori zichlikdagi (HD) korpusdan foydalanadi. Terminal kontaktlari orasidagi masofa kichik bo‘lgani sababli, ko‘p tolali simlar (0,14 dan 0,75 mm² gacha) uchun ferrulalardan foydalanish shart. Bu alohida tolalarning qo‘shni kanallar orasida ko‘prik hosil qilishining oldini oladi. Aniq 8–9 mm yechish uzunligini ta’minlash uchun kalibrlangan sim yechish asbobidan foydalaning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMI va signal yaxlitligi:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 bitli filtrlash mavjud bo‘lsa ham, RTD signallari millivolt darajasida bo‘lib, shovqinga sezgir. Sensor simlari uchun doimo ekranlangan kabellardan foydalaning va ekran qismini boshqaruv shkafining kirish qismida yerga ulang. Sensor kabellarini yuqori quvvatli AC dvigatel simlari yoki chastota o‘zgartirgich chiqish kabellari bilan bir xil kabel kanalidan o‘tkazmang.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFiltrni sozlash:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHarorat sekin o‘zgaradigan, masalan, katta sig‘imlar yoki atrof-muhit havosi bilan bog‘liq ilovalarda o‘zgartirish vaqtini 1600 ms gacha oshiring. Bu 50\/60 Hz shovqinlarini yaxshiroq bostiradi va PID boshqaruv konturlari uchun ancha silliq signalni ta’minlaydi.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIssiqlik sharoitlari:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBir nechta \u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3208\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eterminallarini yonma-yon o‘rnatishda shkaf ichidagi atrof-muhit harorati 60 Selsiydan oshmasligiga ishonch hosil qiling. Modul kam quvvat sarflasa-da, 8 kanalli zich tuzilma uzoq muddatli barqarorlik uchun yetarli vertikal havo oqimini talab qiladi.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106675712363,"sku":"EL3208","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el3208-v2b1jlfmhaf.png?v=1776244461","url":"https:\/\/www.plcprotech.com\/uz\/products\/beckhoff-el3208-8-channel-rtd-input-terminal-16-bit-pt100-ni1000","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}