{"id":2323,"date":"2019-03-09T22:27:07","date_gmt":"2019-03-09T21:27:07","guid":{"rendered":"http:\/\/jvelektronika.cz\/?page_id=2323"},"modified":"2019-03-09T22:27:07","modified_gmt":"2019-03-09T21:27:07","slug":"lokalizace-poruch-izolace-v-navzajem-propojenych-napajecich-soustavach","status":"publish","type":"page","link":"https:\/\/jvelektronika.cz\/?page_id=2323","title":{"rendered":"Lokalizace poruch izolace v navz\u00e1jem propojen\u00fdch nap\u00e1jec\u00edch soustav\u00e1ch"},"content":{"rendered":"

Monitorov\u00e1n\u00ed izola\u010dn\u00edho stavu a vyhled\u00e1v\u00e1n\u00ed poruchy izolace za provozu bez p\u0159eru\u0161en\u00ed nap\u00e1jen\u00ed<\/h2>\n

D\u00edky inovovan\u00e9 \u0159ad\u011b hl\u00edda\u010d\u016f izolace ISOMETER\u00ae<\/sup> iso685-D-P nab\u00edz\u00ed firma Bender za\u0159\u00edzen\u00ed pro monitorov\u00e1n\u00ed izolace, kter\u00e9 odpov\u00eddaj\u00ed nejmodern\u011bj\u0161\u00ed technologii z hlediska spolehlivosti, m\u011b\u0159ic\u00edch metod, pou\u017eitelnosti a designu.<\/p>\n

\u010c\u00edm v\u011bt\u0161\u00ed je syst\u00e9m nap\u00e1jen\u00ed izolovan\u00e9 soustavy, kter\u00fd m\u00e1 b\u00fdt monitorov\u00e1n, t\u00edm obt\u00ed\u017en\u011bj\u0161\u00ed je za provozu nal\u00e9zt mo\u017en\u00e9 poruchy izolace. Pokud jste se ji\u017e n\u011bkdy s takov\u00fdm probl\u00e9mem setkali, d\u00e1te mi jist\u011b zapravdu, \u017ee bez mo\u017enosti vyp\u00edn\u00e1n\u00ed jednotliv\u00fdch v\u00fdvod\u016f je lokalizace z\u00e1vady izolace nesnadn\u00fdm \u00fakolem. \u0158e\u0161en\u00edm jsou pr\u00e1v\u011b vhodn\u011b navr\u017een\u00e9 p\u0159\u00edstroje automatick\u00fdch syst\u00e9m\u016f pro lokalizaci poruch izolace dle \u010cSN EN 61557-9, kter\u00e9 p\u0159esn\u011b ur\u010d\u00ed v\u00fdvod se sn\u00ed\u017een\u00fdm izola\u010dn\u00edm stavem. V\u00fdhodou a v\u00fdsledkem je pak pro provozovatele takov\u00e9 nap\u00e1jec\u00ed soustavy dostupnost nap\u011bt\u00ed, je zv\u00fd\u0161ena tak\u00e9 bezpe\u010dnost a minimalizuje se tak riziko nepl\u00e1novan\u00e9ho v\u00fdpadku nap\u00e1jen\u00ed a p\u0159eru\u0161en\u00ed v\u00fdroby nebo provozu. Pro spr\u00e1vnou funkci jsou pak vy\u017eadov\u00e1ny dal\u0161\u00ed vhodn\u011b zvolen\u00e9 elektronick\u00e9 komponenty.
\nVerze p\u0159\u00edstroj\u016f iso685-D-P a iso685-S + FP200 lze pou\u017e\u00edt pro syst\u00e9my s vyhled\u00e1v\u00e1n\u00edm poruchy izolace. V okam\u017eiku, kdy nastane porucha a hodnota izola\u010dn\u00edho stavu klesne pod nastavenou mez, vestav\u011bn\u00fd gener\u00e1tor lokaliza\u010dn\u00edho proudu za\u010dne vytv\u00e1\u0159et omezen\u00fd lokaliza\u010dn\u00ed proud v\u016f\u010di zemi. Tento lokaliza\u010dn\u00ed proud m\u016f\u017ee b\u00fdt variabiln\u011b nastaven dle aplikace. Vyhodnocovac\u00ed jednotky EDS z \u0159ady ISOSCAN\u00ae<\/sup> s p\u0159ipojen\u00fdmi m\u011b\u0159ic\u00edmi transform\u00e1tory proudu pak mohou b\u011bhem n\u011bkolika m\u00e1lo sekund ur\u010dit p\u0159esn\u011b v\u00fdvod s poruchou izolace. P\u0159\u00edstroje iso685 a EDS440 a EDS441 jsou vz\u00e1jemn\u011b propojeny pomoc\u00ed dvoudr\u00e1tov\u00e9 sb\u011brnice nebo za pomoc\u00ed adapt\u00e9ru, kter\u00fd je um\u00edst\u011bn v DIN li\u0161t\u011b za p\u0159\u00edstrojem. V\u0161echna pot\u0159ebn\u00e1 nastaven\u00ed za\u0159\u00edzen\u00ed EDS44x lze konfigurovat pomoc\u00ed webserveru vestav\u011bn\u00e9ho v iso685-D-P. Je mo\u017en\u00e9 nastavit parametry pro ka\u017ed\u00fd kan\u00e1l samostatn\u011b nebo v\u0161echny m\u011b\u0159ic\u00ed kan\u00e1ly najednou.<\/p>\n

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\"\"<\/a><\/p>\n

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jak je tomu v\u0161ak v navz\u00e1jem propojen\u00fdch IT soustav\u00e1ch aneb funkce EDSsync:<\/h2>\n

 <\/p>\n

EDSsync funkce<\/strong>
\nIzola\u010dn\u00ed monitorovac\u00ed za\u0159\u00edzen\u00ed iso685-D-P m\u016f\u017ee b\u00fdt tak\u00e9 pou\u017eito v aplikac\u00edch se vz\u00e1jemn\u011b propojen\u00fdmi nap\u00e1jec\u00edmi syst\u00e9my. D\u00edky unik\u00e1tn\u00ed funkci EDSsync se v\u0161echna za\u0159\u00edzen\u00ed iso685-D-P ve skupin\u011b a n\u00e1sledn\u011b i v\u0161echna p\u0159ipojen\u00e1 za\u0159\u00edzen\u00ed EDS \u00fa\u010dastn\u00ed vyhled\u00e1v\u00e1n\u00ed m\u00edsta s poruchou izolace. Tato funkce je nez\u00e1visl\u00e1 na tom, zda se monitorov\u00e1n\u00ed izolace ve spojen\u00fdch syst\u00e9mech prov\u00e1d\u00ed prost\u0159ednictv\u00edm s\u00edt\u011b ISOnet za pomoc\u00ed sb\u011brnice BCOM a komunikaci po UTP kabelu nebo p\u0159epnut\u00edm digit\u00e1ln\u00edho vstupu.
\nJe v\u0161ak mo\u017en\u00e9 vyu\u017e\u00edt zapojen\u00ed m\u011b\u0159ic\u00edch transform\u00e1tor\u016f pouze k jedn\u00e9 vyhodnocovac\u00ed jednotce. Oba hl\u00edda\u010de izolace mohou \u0159\u00eddit funkci lokalizace poruchy izolace pouze na jedn\u00e9 stran\u011b p\u0159ipojen\u00fdch vyhodnocovac\u00edch jednotk\u00e1ch EDS44x.<\/p>\n

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\"\"<\/a><\/p>\n

 <\/p>\n

DAL\u0160\u00cd MO\u017dNOSTI A FUNKCE: ISOnet funkce<\/strong>, ISOloop funkce.<\/strong><\/p>\n

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IOM441 vstup\/v\u00fdstupn\u00ed modul<\/strong>
\nK jedin\u00e9mu p\u0159\u00edstroji iso685 lze p\u0159ipojit a\u017e 50 vyhodnocovac\u00edch jednotek EDS tedy a\u017e 600 m\u011b\u0159en\u00fdch v\u00fdvod\u016f. Roz\u0161\u00ed\u0159en\u00edm vyhodnocovac\u00ed jednotky o vstup\/v\u00fdstupn\u00ed modul IOM441 lze pro ka\u017ed\u00fd m\u011b\u0159ic\u00ed kan\u00e1l EDS44x p\u0159i\u0159adit bezpotenci\u00e1lov\u00fd kontakt. To umo\u017e\u0148uje odeslat zpr\u00e1vy do \u0159\u00eddic\u00edho syst\u00e9mu o m\u00edst\u011b poruchy nebo p\u0159\u00edmo odpojit v\u00fdvod s poruchou izolace a t\u00edm tak udr\u017eovat vysokou dostupnost nap\u00e1jen\u00ed pro d\u016fle\u017eit\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n

 <\/p>\n

Posun nap\u011bt\u00ed<\/strong>
\nV DC syst\u00e9mech m\u016f\u017ee iso685-D-P hl\u00e1sit poruchu izolace tak\u00e9 za pomoci posunu nap\u011bt\u00ed na monitorovan\u00e9 s\u00edti v\u016f\u010di zemi. Nov\u011b lze hodnotu reakce nastavit v kroc\u00edch po 5V.<\/p>\n

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\"\"<\/a><\/p>\n

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Komunikace<\/strong>
\nP\u0159\u00edstroj iso685-D-P m\u016f\u017ee komunikovat za pomoc\u00ed sb\u011brnice s protokolem Modbus TCP, Modbus RTU a isoData. Pokud se iso685-D-P pou\u017e\u00edv\u00e1 spolu s EDS44x-L, komunikace s \u0159\u00eddic\u00edm syst\u00e9mem prob\u00edh\u00e1 p\u0159es Modbus TCP.<\/p>\n

 <\/p>\n

ZDROJ INFORMAC\u00cd: https:\/\/www.ghvtrading.cz\/<\/p>\n

 <\/p>\n

Publikov\u00e1no 08. 03. 2019<\/p>\n","protected":false},"excerpt":{"rendered":"

Monitorov\u00e1n\u00ed izola\u010dn\u00edho stavu a vyhled\u00e1v\u00e1n\u00ed poruchy izolace za provozu bez p\u0159eru\u0161en\u00ed nap\u00e1jen\u00ed D\u00edky inovovan\u00e9 \u0159ad\u011b hl\u00edda\u010d\u016f izolace ISOMETER\u00ae iso685-D-P nab\u00edz\u00ed firma Bender za\u0159\u00edzen\u00ed pro monitorov\u00e1n\u00ed izolace, kter\u00e9 odpov\u00eddaj\u00ed nejmodern\u011bj\u0161\u00ed technologii z hlediska spolehlivosti, m\u011b\u0159ic\u00edch metod, pou\u017eitelnosti a designu. \u010c\u00edm v\u011bt\u0161\u00ed je syst\u00e9m nap\u00e1jen\u00ed izolovan\u00e9 soustavy, kter\u00fd m\u00e1 b\u00fdt monitorov\u00e1n, t\u00edm […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2172,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2323"}],"collection":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2323"}],"version-history":[{"count":1,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2323\/revisions"}],"predecessor-version":[{"id":2327,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2323\/revisions\/2327"}],"up":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2172"}],"wp:attachment":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}