{"id":6537,"date":"2023-09-18T18:49:43","date_gmt":"2023-09-18T10:49:43","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=6537"},"modified":"2025-04-18T14:03:10","modified_gmt":"2025-04-18T06:03:10","slug":"gb-t-3369-1-2008-iec-60381-1-1982","status":"publish","type":"post","link":"https:\/\/www.dcl-controls.com\/cs_cz\/support\/ts-actuator\/gb-t-3369-1-2008-iec-60381-1-1982","title":{"rendered":"Elektrick\u00fd pohon proudov\u00fd sign\u00e1l 4-20mA pou\u017eiteln\u00e9 normy GB\/T 3369.1\u20142008\/IEC 60381-1:1982"},"content":{"rendered":"
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Pou\u017eiteln\u00e9 normy pro elektrick\u00fd pohon proudov\u00fd sign\u00e1l 4-20mA\uff1a<\/p>

  • Analogov\u00e9 sign\u00e1ly pro \u0159\u00edzen\u00ed proces\u016f syst\u00e9my \u010c\u00e1st 1: DC proudov\u00e9 sign\u00e1ly (GB\/T 3369.1-2008\/IEC 60381-1:1982)<\/li>
  • Analogov\u00e9 sign\u00e1ly pro procesn\u00ed \u0159\u00eddic\u00ed syst\u00e9my\u2014\u010c\u00e1st 1:P\u0159\u00edm\u00e9 proudov\u00e9 sign\u00e1ly(IEC 60381-1:1982,IDT)<\/li><\/ul>\t\t\t\t\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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    P\u0159edmluva<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    GB\/T 3369 "Analogov\u00e9 Sign\u00e1ly pro \u0158\u00eddic\u00ed Syst\u00e9my technologick\u00fdch Proces\u016f" je rozd\u011blen do n\u00e1sleduj\u00edc\u00edch dvou \u010d\u00e1st\u00ed\uff1a
    \u2014\u010c\u00e1st 1: DC proudov\u00fd sign\u00e1l\uff1b
    \u2013\u010c\u00e1st 2: DC nap\u011bt\u00ed sign\u00e1lu.
    Tato \u010d\u00e1st je rozd\u011blena do \u010c\u00e1sti 1 GB\/T 3369.
    Tato \u010d\u00e1st je ekvivalentn\u00ed s IEC 60381-1:1982 "Analogov\u00e9 Sign\u00e1ly pro \u0158\u00edzen\u00ed Proces\u016f Syst\u00e9my \u010c\u00e1st 1: DC proudov\u00e9 Sign\u00e1ly" (anglick\u00e1 verze).
    Podle GB\/T1.1-2000 "Standardizace Pr\u00e1ce Pokyny, \u010c\u00e1st 1: Z\u00e1kladn\u00ed Struktura a Pravidla Psan\u00ed", IEC 60381-1:
    1982 n\u00e1sleduj\u00edc\u00ed redak\u010dn\u00ed zm\u011bny byly provedeny\uff1a
    a) "Tato norma" byl zm\u011bn\u011bn na "tato \u010d\u00e1st";
    b) Zru\u0161uje p\u0159edmluv\u011b IEC 60381-1:1982\uff1b
    c) tam, Kde je "IEC 60381", zm\u011b\u0148te to na "GB\/T 3369";
    d) Pou\u017e\u00edvat desetinnou \u010d\u00e1rkou". "M\u00edsto toho, aby \u010d\u00e1rka jako desetinn\u00fd bod",";
    Tato \u010d\u00e1st nahrazuje GB\/T 3369-1989 "Analogov\u00e9 DC proudov\u00e9 Sign\u00e1ly pro Pr\u016fmyslovou Automatizaci N\u00e1stroj\u016f".
    Ve srovn\u00e1n\u00ed s GB\/T 3369-1989 v t\u00e9to \u010d\u00e1sti, hlavn\u00ed zm\u011bny jsou takto:
    ... Standard byl zm\u011bn\u011bn n\u00e1zev z "Analogov\u00fd STEJNOSM\u011aRN\u00dd proudov\u00fd sign\u00e1l pro Pr\u016fmyslovou automatizaci n\u00e1stroj\u016f" na "Analogov\u00fd sign\u00e1l pro \u0158\u00edzen\u00ed Proces\u016f Syst\u00e9mu \u010c\u00e1st 1"\uff1a
    DC proudov\u00fd sign\u00e1l\u300b;
    --"Tato norma" byl zm\u011bn\u011bn na "tato \u010d\u00e1st";
    --Rozsah pou\u017eit\u00ed: GB\/T 3369-1989 odkazuje na pou\u017eit\u00ed IEC 60381-1:1982, rozsah pou\u017eit\u00ed je pr\u016fmyslov\u00e1 automatizace n\u00e1stroj\u016f; tato norma je ekvivalentn\u00ed pou\u017eit\u00ed IEC 60381-1:1982, rozsah pou\u017eit\u00ed je pr\u016fmyslov\u00fd proces m\u011b\u0159en\u00ed a kontroln\u00edch syst\u00e9m\u016f (Kapitola 1 GB\/T 3369-1989; Kapitola 1 t\u00e9to \u010d\u00e1sti);
    - Zm\u011bnit "pr\u016fmyslov\u00e9 automatizace n\u00e1stroj" v rozsahu do "component" (Kapitola 1 GB\/T3369\u20141989; Kapitoly 1 t\u00e9to \u010d\u00e1sti);
    - Term\u00edny a definice "nap\u00e1jen\u00ed" a "zvln\u011bn\u00ed obsah nap\u00e1jec\u00ed nap\u011bt\u00ed" byly p\u0159id\u00e1ny term\u00edny a definice "nap\u00e1jen\u00ed" a "zvln\u011bn\u00ed obsah nap\u00e1jec\u00ed nap\u011bt\u00ed" v term\u00edny a definice odd\u00edl (2.9, 2.10 tohoto odd\u00edlu);
    - "Nap\u00e1jen\u00ed" po\u017eadavek (3.7 tohoto odd\u00edlu) byla p\u0159id\u00e1na do technick\u00e9 po\u017eadavky odd\u00edlu.
    Tato \u010d\u00e1st je navr\u017een\u00e1 \u010c\u00edna stroj\u00edrenstv\u00ed Federace.
    Tato \u010d\u00e1st je centralizovan\u00e1 druh\u00e9 Sub-Technick\u00e1 komise, N\u00e1rodn\u00ed Technick\u00e9 V\u00fdbor pro Normalizaci Pr\u016fmyslov\u00fdch Proces\u016f M\u011b\u0159en\u00ed a regulace.
    Vypracov\u00e1n\u00ed jednotku, odpov\u011bdn\u00fd za tuto \u010d\u00e1st: Southwest University, \u010c\u00edna Silian Instrumentation Group.
    \u00da\u010dast vypracov\u00e1n\u00ed jednotky v t\u00e9to \u010d\u00e1sti: Institut Komplexn\u00ed Technologie a Ekonomika stroj\u00edrenstv\u00ed, P\u0159\u00edstrojov\u00e9, a Pekingu Institute of Machinery Industry Automation. Hlavn\u00ed tv\u016frci tohoto d\u00edlu: Liu Feng, Zhang Jiancheng, Zhu Peijun, a Liu Jin.
    \u00da\u010dastn\u00ed auto\u0159i v t\u00e9to \u010d\u00e1sti: Feng Xiaosheng a Xie Bingbing.
    P\u0159edchoz\u00ed verze normy, kter\u00e9 byly pou\u017eity v t\u00e9to sekci jsou\uff1a
    \u2013GB 3369\u2014 1982;
    GB\/T 3369-1989.<\/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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    Analogov\u00fd sign\u00e1l pro \u0159\u00edzen\u00ed procesu syst\u00e9mu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    \u010c\u00e1st 1: DC proudov\u00fd Sign\u00e1l<\/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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    1 rozsah<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Tento odd\u00edl stanovuje analogov\u00e9 STEJNOSM\u011aRN\u00c9 proudov\u00e9 sign\u00e1ly pou\u017e\u00edvan\u00e9 pro p\u0159enos informac\u00ed mezi komponenty syst\u00e9mu v pr\u016fmyslov\u00e9 procesy m\u011b\u0159en\u00ed a \u0159\u00edzen\u00ed syst\u00e9m\u016f. Tento odd\u00edl se nevztahuje na sign\u00e1ly, kter\u00e9 jsou pou\u017e\u00edv\u00e1ny v\u00fdhradn\u011b uvnit\u0159 sou\u010d\u00e1sti.<\/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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    2 Term\u00edny a definice<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    N\u00e1sleduj\u00edc\u00ed term\u00edny a definice pou\u017eij\u00ed na tento odd\u00edl.
    2.1<\/strong>
    Prvky pr\u016fmyslov\u00e9 procesy m\u011b\u0159en\u00ed a kontroln\u00edch syst\u00e9m\u016f, prvk\u016f pr\u016fmyslov\u00e9 procesy m\u011b\u0159en\u00ed a \u0159\u00edzen\u00ed syst\u00e9m\u016f<\/strong>
    Funk\u010dn\u00ed jednotky pro p\u0159evod, zpracov\u00e1n\u00ed nebo p\u0159enos nam\u011b\u0159en\u00fdch hodnot, \u0159\u00eddic\u00ed prom\u011bnn\u00e9, ovl\u00e1dan\u00e9 prom\u011bnn\u00e9 a referen\u010dn\u00ed prom\u011bnn\u00e9, a integrovan\u00e9 kombinaci za\u0159\u00edzen\u00ed.
    2.2<\/strong>
    Analogov\u00fd stejnosm\u011brn\u00fd sign\u00e1l analogov\u00fd stejnosm\u011brn\u00fd sign\u00e1l<\/strong>
    V pr\u016fmyslov\u00e9m procesu, syst\u00e9mu m\u011b\u0159en\u00ed a regulace, DC proudov\u00fd sign\u00e1l pou\u017e\u00edv\u00e1 pro p\u0159enos informac\u00ed, \u017ee zm\u011bny v kontinu\u00e1ln\u00edm zp\u016fsobem v jeho dosahu.
    2.3<\/strong>
    Rozsah analogov\u00fd stejnosm\u011brn\u00fd proud rozsah sign\u00e1lu na analogov\u00fd stejnosm\u011brn\u00fd sign\u00e1l<\/strong>
    V\u0161echny hodnoty, kter\u00e9 jsou v r\u00e1mci definovan\u00fdch omezen\u00ed.
    2.4<\/strong>
    Spodn\u00ed mez spodn\u00ed mez<\/strong>
    Minim\u00e1ln\u00ed hodnoty stanoven\u00e9 rozmez\u00ed.
    Pozn\u00e1mka: spodn\u00ed mezn\u00ed hodnota m\u016f\u017ee b\u00fdt nula nebo kone\u010dnou hodnotu. Pokud je to nula, to je naz\u00fdv\u00e1no "pravda nula", a pokud se jedn\u00e1 o kone\u010dnou hodnotu, to je naz\u00fdv\u00e1no "\u017eij\u00edc\u00ed nula".
    2.5<\/strong>
    Horn\u00ed limit<\/strong>
    Maxim\u00e1ln\u00ed hodnota ze zadan\u00e9ho rozsahu.
    2.6<\/strong>
    Zat\u00ed\u017een\u00ed impedance<\/strong>
    Sou\u010det impedance v\u0161ech p\u0159ipojen\u00fdch obdr\u017een\u00ed prvky a spojovac\u00ed veden\u00ed v obvodu sign\u00e1lu.
    2.7<\/strong>
    Zvln\u011bn\u00ed obsah stejnosm\u011brn\u00fd sign\u00e1l zvln\u011bn\u00ed obsah stejnosm\u011brn\u00fd sign\u00e1l<\/strong>
    Pom\u011br peak-to-peak AC slo\u017eka na rozsah analogov\u00fd STEJNOSM\u011aRN\u00dd proudov\u00fd sign\u00e1l.
    2.8<\/strong>
    Sign\u00e1ln\u00ed obvod spole\u010dn\u00e9 linii sign\u00e1ln\u00edho obvodu spole\u010dn\u00e9ho<\/strong>
    V\u00edce "signal" obvod\u016f mohou m\u00edt spole\u010dn\u00e9 p\u0159\u00edm\u00e9 elektrick\u00e9 p\u0159ipojen\u00ed linky, a spole\u010dn\u00e9 linky na tento "sign\u00e1l" obvod m\u016f\u017ee b\u00fdt uzemn\u011bn\u00fd nebo neuzemn\u011bn\u00fd.<\/p>\n

    2.9<\/strong>
    Nap\u00e1jen\u00ed<\/strong>
    T\u00edm, \u017ee poskytuje po\u017eadovan\u00e9 DC nap\u00e1jen\u00ed, syst\u00e9mov\u00e9 komponenty mohou generovat STEJNOSM\u011aRN\u00dd proudov\u00fd sign\u00e1l.<\/p>\n

    2.10<\/strong>
    Zvln\u011bn\u00ed obsah nap\u00e1jec\u00ed nap\u011bt\u00ed zvln\u011bn\u00ed obsah nap\u00e1jec\u00ed nap\u011bt\u00ed<\/strong>
    Pom\u011br peak-to-peak AC slo\u017eka na aktu\u00e1ln\u00ed nap\u00e1jec\u00ed nap\u011bt\u00ed.
    <\/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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    3 Technick\u00e9 po\u017eadavky<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    3.1 rozsah analogov\u00e9 STEJNOSM\u011aRN\u00c9 proudov\u00e9 sign\u00e1ly<\/strong><\/p>

    Tabulka 1 ukazuje rozsah analogov\u00fd STEJNOSM\u011aRN\u00dd proudov\u00fd sign\u00e1l by m\u011bl m\u00edt.<\/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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    Tabulka 1 rozsah DC proudov\u00e9 sign\u00e1ly<\/th>\n<\/tr>\n<\/thead>\n
    Doln\u00ed limit\/mA<\/td>Horn\u00ed limit\/mA<\/td>\n<\/tr>\n
    4
    \n0<\/td>    		20(a)
    \n20(b)<\/td>\n<\/tr>\n
    po\u017eadovanou hodnotu.
    \nb nen\u00ed preferovan\u00e9 hodnoty a bude zru\u0161ena v budoucnu.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    3.2 hodnota mimo rozsah analogov\u00fd STEJNOSM\u011aRN\u00dd proudov\u00fd sign\u00e1l<\/span><\/strong><\/p>\n

    V p\u0159\u00edpad\u011b pou\u017eit\u00ed preferovan\u00e9 sign\u00e1l, hodnota 0mA je vyhrazena pro ozna\u010den\u00ed sign\u00e1ln\u00ed obvod selh\u00e1n\u00ed nebo v\u00fdpadku nap\u00e1jen\u00ed.
    3.3 Zvln\u011bn\u00ed obsahu na DC proudov\u00fd sign\u00e1l<\/strong>
    Zvln\u011bn\u00ed obsahu sign\u00e1lu by m\u011blo b\u00fdt uvedeno a nem\u011bla by p\u0159ekro\u010dit 3%.
    V p\u0159\u00edpad\u011b, \u017ee informace je p\u0159evzata z okam\u017eit\u00e1 hodnota sign\u00e1lu, nap\u0159\u00edklad, v digit\u00e1ln\u00ed syst\u00e9m prvek s rychle multiplexov\u00e1n\u00ed, vzor prvek by m\u011bl b\u00fdt uvedeno.
    Vlna obsahu.
    3.4 Sign\u00e1l spole\u010dn\u00e9ho postupu<\/strong>
    Spole\u010dn\u00fd sign\u00e1ln\u00ed veden\u00ed by m\u011bla b\u00fdt co nejni\u017e\u0161\u00ed potenci\u00e1l bodu v obvodu sign\u00e1lu. Pokud je sign\u00e1l spole\u010dn\u00e9ho postupu je p\u0159ipojen k nap\u00e1jen\u00ed, to by m\u011bl b\u00fdt p\u0159ipojen na z\u00e1porn\u00fd p\u00f3l nap\u00e1jen\u00ed (nebo 0 V svorka pro bipol\u00e1rn\u00ed nap\u00e1jen\u00ed).
    3.5 uzemn\u011bn\u00ed<\/strong>
    Pokud sign\u00e1ln\u00ed obvod mus\u00ed b\u00fdt uzemn\u011bn, z\u00e1porn\u00fd p\u00f3l sign\u00e1lu spole\u010dn\u00e9 linky nebo nap\u00e1jen\u00ed (nebo 0V svorka pro bipol\u00e1rn\u00ed nap\u00e1jen\u00ed) by m\u011bl b\u00fdt p\u0159ipojen k uzemn\u011bn\u00ed.
    3.6 zat\u00ed\u017een\u00ed impedance<\/strong>
    P\u0159evodovky nebo syst\u00e9m kontroly prvek by m\u011bl b\u00fdt schopen nep\u0159etr\u017eit\u011b \u0159\u00eddit zat\u00ed\u017een\u00ed mezi 0\u03a9 a 300\u03a9.
    3.7 Nap\u00e1jen\u00ed<\/strong>
    Vys\u00edla\u010d syst\u00e9mu prvek, kter\u00fd se pou\u017e\u00edv\u00e1 extern\u00ed nap\u00e1jen\u00ed, kdy\u017e nap\u00e1jen\u00ed je nap\u011bt\u00ed na 20 V (D. C.) \uff5e30 V(D. C.), Kdy se m\u011bn\u00ed mezi, m\u011bl by b\u00fdt schopen fungovat norm\u00e1ln\u011b.
    Zvln\u011bn\u00ed obsah nap\u00e1jec\u00ed nap\u011bt\u00ed by m\u011blo b\u00fdt uvedeno, a nesm\u00ed p\u0159ekro\u010dit 10% jmenovit\u00e9 nap\u00e1jec\u00ed nap\u011bt\u00ed.
    Stabiln\u00ed nap\u00e1jec\u00ed zdroj by m\u011bl b\u00fdt pou\u017eit.
    Aby bylo mo\u017en\u00e9 zhodnotit a porovnat vlastnosti komponent syst\u00e9mu, je doporu\u010deno pou\u017e\u00edt 24 V (D. C.) referen\u010dn\u00ed nap\u00e1jec\u00ed nap\u011bt\u00ed.<\/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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    Souvisej\u00edc\u00ed \u010dl\u00e1nky\uff1a<\/p>