{"id":6541,"date":"2023-09-18T19:31:17","date_gmt":"2023-09-18T11:31:17","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=6541"},"modified":"2025-03-28T08:48:00","modified_gmt":"2025-03-28T08:48:00","slug":"gb-t-3369-2-2008-iec-60381-2-1978","status":"publish","type":"post","link":"https:\/\/dclactuator.com\/is_is\/studningur\/ts-styribunadur\/gb-t-3369-2-2008-iec-60381-2-1978","title":{"rendered":"GB\/T 3369.1\u20142008\/IEC 60381-1:1982"},"content":{"rendered":"
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Sta\u00f0allinn fyrir 4-20mA straummerki\u00f0 sem nota\u00f0 er \u00ed rafkn\u00fanum st\u00fdrib\u00fana\u00f0i er sem h\u00e9r segir:<\/p>

Sta\u00f0all<\/strong>:<\/p>

  • GB\/T 3369.1\u20142008\/IEC 60381-1:1982<\/strong><\/p><\/li>

  • Titill<\/strong>Hli\u00f0r\u00e6n merki fyrir ferlast\u00fdrikerfi \u2014 1. hluti: Jafnstraumsmerki (IEC 60381-1:1982, IDT)<\/p><\/li><\/ul>

    \u00deessi sta\u00f0all skilgreinir forskriftir fyrir hli\u00f0r\u00e6n merki, s\u00e9rstaklega fyrir notkun jafnstraumsmerkja (DC) \u00ed ferlast\u00fdrikerfum, \u00fear \u00e1 me\u00f0al 4-20mA straummerki\u00f0 sem almennt er nota\u00f0 \u00ed rafmagnsst\u00fdringum.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    Form\u00e1li<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"GB\/T\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Form\u00e1li<\/h2>

    GB\/T 3369 \u201eAnalog merki fyrir ferlisst\u00fdrikerfi\u201c skiptist \u00ed eftirfarandi tvo hluta:<\/p>

    • 1. hluti: Jafnstraumsmerki (DC);<\/p><\/li>

    • 2. hluti: Jafnspennumerki.<\/p><\/li><\/ul>

      \u00deessi hluti er 1. hluti<\/strong> af GB\/T 3369<\/strong>.
      \u00deessi hluti er eins og IEC 60381-1:1982, sem ber heiti\u00f0 \u201eAnalog signals for process control systems \u2013 Part 1: Direct current signals\u201c (enska \u00fatg\u00e1fan).<\/p>

      Samkv\u00e6mt GB\/T 1.1-2000 \u201eLei\u00f0beiningar um st\u00f6\u00f0lun - 1. hluti: Uppbygging og reglur um ger\u00f0 gagna\u201c hafa eftirfarandi ritstj\u00f3rnarbreytingar veri\u00f0 ger\u00f0ar \u00e1 IEC 60381-1:1982:<\/p>

      • \u201e\u00deessi sta\u00f0all\u201c hefur veri\u00f0 breytt \u00ed \u201e\u00feessi hluti\u201c;<\/p><\/li>

      • Form\u00e1li IEC 60381-1:1982 hefur veri\u00f0 fjarl\u00e6g\u00f0ur;<\/p><\/li>

      • \u00dear sem \u201eIEC 60381\u201c birtist hefur \u00fev\u00ed veri\u00f0 breytt \u00ed \u201eGB\/T 3369\u201c;<\/p><\/li>

      • Tugabrotspunkturinn \u201e.\u201c hefur veri\u00f0 nota\u00f0ur \u00ed sta\u00f0 kommans \u201e.\u201c fyrir tugabrot.<\/p><\/li><\/ul>

        \u00deessi hluti kemur \u00ed sta\u00f0inn fyrir GB\/T 3369-1989<\/strong> \u201eA\u00f0greinanleg jafnstraumsmerki fyrir sj\u00e1lfvirknit\u00e6ki \u00ed i\u00f0na\u00f0i\u201c.<\/p>

        Helstu munur samanbori\u00f0 vi\u00f0 GB\/T 3369-1989:<\/h3>

        • Titillinn hefur breyst \u00far \u201eAnalog DC current signalers for industrial automotive instruments\u201c \u00ed \u201eAnalog signals for process control systems \u2013 1. hluti: Analog signals.\u201c<\/p><\/li>

        • \u201e\u00deessi sta\u00f0all\u201c hefur veri\u00f0 breytt \u00ed \u201e\u00feessi hluti\u201c.<\/p><\/li>

        • Umfangi\u00f0: GB\/T 3369-1989<\/strong> v\u00edsa\u00f0 er til IEC 60381-1:1982 og \u00e1 vi\u00f0 um sj\u00e1lfvirknit\u00e6ki \u00ed i\u00f0na\u00f0i. \u00deessi sta\u00f0all v\u00edsar hins vegar til IEC 60381-1:1982 og \u00e1 vi\u00f0 um m\u00e6li- og stj\u00f3rnkerfi fyrir i\u00f0na\u00f0arferla (1. kafli GB\/T 3369-1989<\/strong> samanbori\u00f0 vi\u00f0 1. kafla \u00feessa hluta).<\/p><\/li>

        • Hugtaki\u00f0 \u201ei\u00f0na\u00f0arsj\u00e1lfvirknit\u00e6ki\u201c hefur veri\u00f0 breytt \u00ed \u201e\u00fe\u00e6tti\u201c (1. kafli GB\/T 3369-1989<\/strong> samanbori\u00f0 vi\u00f0 1. kafla \u00feessa hluta).<\/p><\/li>

        • N\u00fdjar skilgreiningar hafa veri\u00f0 b\u00e6ttar vi\u00f0, \u00fear \u00e1 me\u00f0al \u201eaflgjafi\u201c og \u201e\u00f6lduinnihald spennu aflgjafans\u201c (kaflar 2.9 og 2.10 \u00ed \u00feessum hluta).<\/p><\/li>

        • Kaflinn um t\u00e6knilegar kr\u00f6fur hefur veri\u00f0 uppf\u00e6r\u00f0ur til a\u00f0 innihalda kr\u00f6fur um \u201eaflgjafa\u201c (kafli 3.7 \u00ed \u00feessum hluta).<\/p><\/li><\/ul>

          \u00deessi hluti<\/strong> var lagt til af k\u00ednverska v\u00e9lai\u00f0na\u00f0arsambandinu.
          \u00deessi hluti<\/strong> var undir l\u00f6gs\u00f6gu undirnefndar 2, \u00dej\u00f3\u00f0art\u00e6kninefndar 168 um m\u00e6lingar og stj\u00f3rnun i\u00f0na\u00f0arferla.
          Teikningareiningar: Southwest University, China Siliang Instrument and Meter Group.
          \u00de\u00e1tttakandi teikningareiningar: Ranns\u00f3knarstofnun v\u00e9lai\u00f0na\u00f0arins \u00ed t\u00e6kni og efnahagsm\u00e1lum, Ranns\u00f3knarstofnun v\u00e9lai\u00f0na\u00f0arins \u00ed Peking.
          Lykilteiknari: Liu Feng, Zhang Jiancheng, Zhu Peijun, Liu Jin.
          \u00de\u00e1tttakandi teiknari: Feng Xiaosheng, Xie Bingbing.<\/p>

          Fyrri \u00fatg\u00e1fur sta\u00f0alsins sem \u00feessi hluti kemur \u00ed sta\u00f0inn fyrir eru:<\/p>

          • GB 3369-1982<\/strong>;<\/p><\/li>

          • GB\/T 3369-1989<\/strong>.<\/p><\/li><\/ul>

            1. Gildissvi\u00f0<\/h2>

            \u00deessi hluti tilgreinir notkun hli\u00f0r\u00e6nna jafnstraumsmerkja til a\u00f0 senda uppl\u00fdsingar milli kerfis\u00fe\u00e1tta \u00ed m\u00e6li- og stj\u00f3rnkerfum fyrir i\u00f0na\u00f0arferla. \u00deessi hluti \u00e1 ekki vi\u00f0 um merki sem notu\u00f0 eru eing\u00f6ngu innan eins \u00fe\u00e1ttar.<\/p>

            2. Hugt\u00f6k og skilgreiningar<\/h2>

            Eftirfarandi hugt\u00f6k og skilgreiningar eiga vi\u00f0 um \u00feennan hluta:<\/p>

            2.1 \u00de\u00e6ttir m\u00e6li- og stj\u00f3rnkerfa \u00ed i\u00f0na\u00f0arferlum<\/strong>
            Virknieiningar og sam\u00fe\u00e6ttar samsetningar \u00feeirra sem umbreyta, vinna \u00far e\u00f0a senda m\u00e6ligildi, st\u00fdribreytur, st\u00fdr\u00f0ar breytur og vi\u00f0mi\u00f0unarbreytur.<\/p>

            2.2 Analog jafnstraumsmerki<\/strong>
            Jafnstraumsmerki sem nota\u00f0 er til a\u00f0 senda uppl\u00fdsingar \u00ed m\u00e6li- og stj\u00f3rnkerfum \u00ed i\u00f0na\u00f0arferlum sem breytist st\u00f6\u00f0ugt innan tilgreinds bils.<\/p>

            2.3 Svi\u00f0 hli\u00f0r\u00e6ns jafnstraumsmerkis<\/strong>
            \u00d6ll gildi innan skilgreindra marka.<\/p>

            2.4 Ne\u00f0ri m\u00f6rk<\/strong>
            L\u00e1gmarksgildi skilgreinds svi\u00f0s.
            Athugi\u00f0: Ne\u00f0ri m\u00f6rkin geta veri\u00f0 n\u00fall e\u00f0a endanlegt gildi. Ef \u00feau eru n\u00fall kallast \u00feau \u201eraunverulegt n\u00fall\u201c. Ef \u00feau eru endanlegt gildi kallast \u00feau \u201elifandi n\u00fall\u201c.<\/p>

            2.5 Efri m\u00f6rk<\/strong>
            H\u00e1marksgildi skilgreinds svi\u00f0s.<\/p>

            2.6 \u00c1lagsimpedans<\/strong>
            Heildarvi\u00f0n\u00e1m allra tengdra m\u00f3tt\u00f6kueininga og raflagna \u00ed merkjar\u00e1sinni.<\/p>

            2.7 Ripple innihald jafnstraumsmerkisins<\/strong>
            Hlutfall h\u00e1marksgildis ri\u00f0straums\u00fe\u00e1ttarins og svi\u00f0s hli\u00f0r\u00e6na jafnstraumsmerkisins.<\/p>

            2.8 Algengt merkjar\u00e1s<\/strong>
            Margar merkjar\u00e1sir geta deilt sameiginlegri rafmagnstengingu, sem getur anna\u00f0 hvort veri\u00f0 jar\u00f0tengd e\u00f0a ekki.<\/p>

            2.9 Rafmagnsgjafi<\/strong>
            Jafnstraumsgjafinn sem gerir kerfis\u00fe\u00e1ttum kleift a\u00f0 mynda jafnstraumsmerki.<\/p>

            2.10 Ripple innihald aflgjafaspennunnar<\/strong>
            Hlutfall h\u00e1marksgildis ri\u00f0spennu\u00fe\u00e1ttarins og raunverulegrar spennu aflgjafans.<\/p>

            3. T\u00e6knilegar kr\u00f6fur<\/h2>

            3.1 Svi\u00f0 hli\u00f0r\u00e6ns jafnstraumsmerkis<\/strong>
            Tafla 1 s\u00fdnir svi\u00f0i\u00f0 fyrir hli\u00f0r\u00e6nt jafnstraumsmerki.<\/p>

            Tafla 1: Svi\u00f0 jafnstraumsmerkis<\/strong><\/p>
            Ne\u00f0ri m\u00f6rk (mA)<\/th>Efri m\u00f6rk (mA)<\/th><\/tr><\/thead>
            4 (a)<\/td>20 (b)<\/td><\/tr>
            0<\/td>20 (b)<\/td><\/tr><\/tbody><\/table>

            • (a) \u00c6skilegt gildi.<\/p><\/li>

            • (b) \u00d3\u00e1kj\u00f3sanlegt gildi, sem ver\u00f0ur sm\u00e1m saman afnumi\u00f0 \u00ed framt\u00ed\u00f0inni.<\/p><\/li><\/ul>

              3.2 Gildi utan svi\u00f0s hli\u00f0r\u00e6ns jafnstraumsmerkis<\/strong>
              Fyrir kj\u00f6rmerki\u00f0 er gildi\u00f0 0mA eing\u00f6ngu fr\u00e1teki\u00f0 til a\u00f0 gefa til kynna bilun \u00ed merkjar\u00e1s e\u00f0a aflgjafa.<\/p>

              3.3 Ripple innihald jafnstraumsmerkis<\/strong>
              G\u00f6nguinnihald merkisins \u00e6tti a\u00f0 vera tilgreint og \u00e6tti ekki a\u00f0 fara yfir 3%.
              Fyrir kerfi sem taka augnabliksgildi \u00far merkinu (eins og stafr\u00e6n kerfi me\u00f0 hra\u00f0virkum fj\u00f6lr\u00e1sarinntaki) \u00e6tti a\u00f0 tilgreina \u00f6lduinnihald kerfis\u00fe\u00e1ttarins.<\/p>

              3.4 Sameiginleg merkjal\u00edna<\/strong>
              Sameiginlega l\u00ednan fyrir merki\u00f0 \u00e6tti a\u00f0 vera l\u00e6gsti spennupunkturinn \u00ed merkjar\u00e1sinni. Ef sameiginlega l\u00ednan fyrir merki\u00f0 er tengd vi\u00f0 aflgjafann \u00e6tti h\u00fan a\u00f0 vera tengd vi\u00f0 neikv\u00e6\u00f0a p\u00f3l aflgjafans (e\u00f0a 0V p\u00f3l tv\u00edp\u00f3la aflgjafa).<\/p>

              3.5 Jar\u00f0tenging<\/strong>
              Ef jar\u00f0tenging er nau\u00f0synleg fyrir merkjar\u00e1sina, \u00fe\u00e1 \u00e6tti a\u00f0 jar\u00f0tengja sameiginlega merkjal\u00ednuna e\u00f0a neikv\u00e6\u00f0a p\u00f3l aflgjafans (e\u00f0a 0V p\u00f3l tv\u00edp\u00f3la aflgjafa).<\/p>

              3.6 \u00c1lagsimpedans<\/strong>
              Sendir e\u00f0a stj\u00f3rnkerfis\u00fe\u00e1ttur \u00e6tti a\u00f0 geta kn\u00fai\u00f0 st\u00f6\u00f0ugt hva\u00f0a \u00e1lag sem er \u00e1 bilinu 0\u03a9 til 300\u03a9.<\/p>

              3.7 Orkugjafi<\/strong>
              S\u00e9rhver sendikerfis\u00fe\u00e1ttur sem notar utana\u00f0komandi aflgjafa \u00e6tti a\u00f0 virka r\u00e9tt me\u00f0 spennusvi\u00f0i aflgjafans \u00e1 bilinu 20 V (DC) til 30 V (DC).
              Tilgreina skal \u00f6lduinnihald spennunnar \u00ed aflgjafanum og \u00fea\u00f0 \u00e6tti ekki a\u00f0 fara yfir 10% af nafnspennu aflgjafans.
              Nota skal st\u00f6\u00f0ugan aflgjafa.
              Til a\u00f0 meta og bera saman eiginleika kerfis\u00fe\u00e1tta er m\u00e6lt me\u00f0 \u00fev\u00ed a\u00f0 nota 24 V (DC) vi\u00f0mi\u00f0unarspennu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

              Sta\u00f0allinn fyrir 4-20mA straummerki sem nota\u00f0 er \u00ed rafmagnsst\u00fdringum er sem h\u00e9r segir: Sta\u00f0all: GB\/T 3369.1\u20142008\/IEC 60381-1:1982 Titill: Hli\u00f0r\u00e6n merki fyrir ferlisst\u00fdringarkerfi \u2014 1. hluti: Jafnstraumsmerki (IEC 60381-1:1982, IDT) \u00deessi sta\u00f0all skilgreinir forskriftir fyrir hli\u00f0r\u00e6n merki, s\u00e9rstaklega fyrir notkun jafnstraumsmerkja (DC) \u00ed ferlisst\u00fdringarkerfum, [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[49],"class_list":["post-6541","post","type-post","status-publish","format-standard","hentry","category-ts-actuator","tag-input-signal"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/posts\/6541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/comments?post=6541"}],"version-history":[{"count":0,"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/posts\/6541\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/media?parent=6541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/categories?post=6541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclactuator.com\/is_is\/wp-json\/wp\/v2\/tags?post=6541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}