{"id":752,"date":"2025-10-19T07:51:56","date_gmt":"2025-10-19T06:51:56","guid":{"rendered":"https:\/\/loxoneworks.cz\/?p=752"},"modified":"2025-10-19T07:53:49","modified_gmt":"2025-10-19T06:53:49","slug":"modbus-hratky-nejen-s-loxone-dil-8-ultrazvukove-cidlo-vzdalenosti","status":"publish","type":"post","link":"https:\/\/loxoneworks.cz\/?p=752","title":{"rendered":"Modbus hr\u00e1tky (nejen) s Loxone \u2013 d\u00edl 8. \u2013 ultrazvukov\u00e9 \u010didlo vzd\u00e1lenosti"},"content":{"rendered":"\n<p>Jeden m\u016fj z\u00e1kazn\u00edk cht\u011bl m\u011b\u0159it mno\u017estv\u00ed vody v podzemn\u00ed n\u00e1dr\u017ei na de\u0161\u0165ovou vodu, co\u017e m\u011b p\u0159im\u011blo k n\u00e1kupu a testov\u00e1n\u00ed <a href=\"https:\/\/s.click.aliexpress.com\/e\/_oFMPgb7\" target=\"_blank\" rel=\"noreferrer noopener\">Ultrazvukov\u00e9ho \u010didla s rozhran\u00edm Modbus<\/a>. Je t\u0159eba zvolit variantu Modbus 12-24V.<\/p>\n\n\n\n<p>Nastaven\u00ed je trivi\u00e1ln\u00ed, sta\u010d\u00ed zapojit spr\u00e1vn\u011b 4 vodi\u010de (nap\u00e1jen\u00ed: \u010derven\u00fd +24V \/ \u010dern\u00fd = GND a Modbus: A = b\u00edl\u00fd \/ B = zelen\u00fd). Modbus nastaven\u00ed komunikace je klasick\u00e9 jako u v\u0161ech podobn\u00fdch za\u0159\u00edzen\u00ed: 8 bit\u016f, \u017e\u00e1dn\u00e1 parita, 1 stop bit, rychlost 9600 baud\u016f. ID za\u0159\u00edzen\u00ed je defaultn\u011b #1.<\/p>\n\n\n\n<p>Mal\u00e1 vsuvka &#8211; zm\u011bnil jsem ID (dle n\u00e1vodu je adresa registru 200 hex) na #5 a bohu\u017eel, za\u0159\u00edzen\u00ed p\u0159estalo komunikovat, nejde ani na adrese 1, ani 5, ani 50 dec nebo 50 hex, prost\u011b nic. Je\u0161t\u011b \u017ee jsem objednal 2 \u010didla, na to druh\u00e9m u\u017e rad\u011bji z\u016fstanu u defaultn\u00ed adresy #1. Co je divn\u00e9, \u017ee adresa 200 hex vrac\u00ed p\u0159i \u010dten\u00ed \u010d\u00edslo 450, pozd\u011bji 460 a nikoliv adresu 1. Zjevn\u011b bude n\u011bco jinak, ne\u017e je pops\u00e1no v manu\u00e1lu.<\/p>\n\n\n\n<p>V\u00fdsledek m\u011b\u0159en\u00ed je zobrazen v milimetrech &#8211; registr 100 hex s p\u016flvte\u0159inov\u00fdm zpo\u017ed\u011bn\u00edm, 101 hex okam\u017eit\u011b. Rozd\u00edl je v tom, \u017ee po \u010dten\u00ed registru 100 hex je vysl\u00e1no 5 puls\u016f a bere asi n\u011bjak\u00fd pr\u016fm\u011br (je to sly\u0161et), zat\u00edmco p\u0159i dotazu na registr 101 hex jde o jedin\u00fd impuls.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"567\" height=\"436\" src=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/08\/image.png\" alt=\"\" class=\"wp-image-753\" srcset=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/08\/image.png 567w, https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/08\/image-300x231.png 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Vzd\u00e1lenost m\u011b\u0159\u00ed pom\u011brn\u011b solidn\u011b, p\u0159ipojil jsem na <a href=\"https:\/\/loxoneworks.cz\/?p=641\">Waveshare Modbus Gateway<\/a>, tak\u017ee celkov\u00e9 n\u00e1klady jsou asi 1000 K\u010d.<\/p>\n\n\n\n<p>N\u00e1sledn\u011b integrovat do Loxone je ji\u017e hra\u010dka (viz minul\u00e9 d\u00edly). P\u0159epo\u010det vzd\u00e1lenosti hladiny na objem vody je individu\u00e1ln\u00ed z\u00e1le\u017eitost, vzhledem k rozd\u00edln\u00fdm tvar\u016fm n\u00e1dr\u017e\u00ed apod. Ide\u00e1ln\u00ed je kv\u00e1dr \u010di v\u00e1lec nastojato, kde jde o line\u00e1rn\u00ed funkci, ale i pro v\u00e1lec nale\u017eato je to tak\u00e9 pom\u011brn\u011b trivi\u00e1ln\u00ed v\u00fdpo\u010det.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jeden m\u016fj z\u00e1kazn\u00edk cht\u011bl m\u011b\u0159it mno\u017estv\u00ed vody v podzemn\u00ed n\u00e1dr\u017ei na de\u0161\u0165ovou vodu, co\u017e m\u011b p\u0159im\u011blo k n\u00e1kupu a testov\u00e1n\u00ed Ultrazvukov\u00e9ho \u010didla s rozhran\u00edm Modbus. Je t\u0159eba zvolit variantu Modbus 12-24V. Nastaven\u00ed je trivi\u00e1ln\u00ed, sta\u010d\u00ed zapojit spr\u00e1vn\u011b 4 vodi\u010de (nap\u00e1jen\u00ed: \u010derven\u00fd +24V \/ \u010dern\u00fd = GND a Modbus: A = b\u00edl\u00fd \/ B = zelen\u00fd). [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[17,18,71],"tags":[86,64],"class_list":["post-752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dum","category-loxone","category-modbus","tag-mereni-vzdalenosti","tag-modbus"],"_links":{"self":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts\/752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=752"}],"version-history":[{"count":2,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts\/752\/revisions"}],"predecessor-version":[{"id":763,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts\/752\/revisions\/763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/media\/764"}],"wp:attachment":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}