{"id":2280,"date":"2025-04-15T09:29:34","date_gmt":"2025-04-15T09:29:34","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=2280"},"modified":"2025-06-11T05:38:51","modified_gmt":"2025-06-11T05:38:51","slug":"forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/","title":{"rendered":"ForceMultCoils &#8211; 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16"},"content":{"rendered":"\n<p>A ModBus Master script command<\/p>\n\n\n\n<p>When processed this command will result in the SPLat master sending out a ModBus function 15 query (Force coils), then wait for the response.<\/p>\n\n\n\n<p>Parameters are:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;Item<\/th><th>Bit Length<\/th><th>Description<\/th><\/tr><tr><th>SlaveAddr<\/th><td>8<\/td><td>An 8-bit slave address<\/td><\/tr><tr><th>CoilAddr16<\/th><td>16<\/td><td>The 16-bit, 0-based address of a coil (0xxxx reference) in the slave. This will be the starting point for the write.<\/td><\/tr><tr><th>ItemCount<\/th><td>8<\/td><td>An 8-bit count of how many coils are to be written (forced). The minimum is 1. The maximum is determined by available communications buffer size (documented elsewhere). ItemCount contiguous items will be written in the slave.<\/td><\/tr><tr><th>SPAddr16<\/th><td>16<\/td><td>A 16-bit semaphore address within the SPLat master&#8217;s\u00a0<a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/glossary-of-terms\/#o414\">RAM<\/a>, counting from RAM byte 0, bit 0. For example, RAM byte 34, bit 5 would be 34&#215;8 + 5 = 277. ItemCount semaphores read from the master, starting at this address, will be written to contiguous coils in the slave.<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A ModBus Master script command When processed this command will result in the SPLat master sending out a ModBus function 15 query (Force coils), then&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2271,"menu_order":7,"template":"","class_list":["post-2280","spl_knowledgebase","type-spl_knowledgebase","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ForceMultCoils - 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16 - SPLat Controls<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ForceMultCoils - 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16 - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"A ModBus Master script command When processed this command will result in the SPLat master sending out a ModBus function 15 query (Force coils), then...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/\" \/>\n<meta property=\"og:site_name\" content=\"SPLat Controls\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-11T05:38:51+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/\",\"url\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/\",\"name\":\"ForceMultCoils - 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16 - SPLat Controls\",\"isPartOf\":{\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#website\"},\"datePublished\":\"2025-04-15T09:29:34+00:00\",\"dateModified\":\"2025-06-11T05:38:51+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Programming reference\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Instructions arranged by function\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Communications instructions\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"MODBUS Instructions\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/\"},{\"@type\":\"ListItem\",\"position\":6,\"name\":\"ModBus Master control script commands\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/\"},{\"@type\":\"ListItem\",\"position\":7,\"name\":\"ForceMultCoils &#8211; 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#website\",\"url\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/\",\"name\":\"SPLat Controls\",\"description\":\"OEM Embedded Machine Controllers\",\"publisher\":{\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#organization\",\"name\":\"SPLat Controls\",\"url\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2024\/10\/logo.svg\",\"contentUrl\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2024\/10\/logo.svg\",\"caption\":\"SPLat Controls\"},\"image\":{\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ForceMultCoils - 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16 - SPLat Controls","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"ForceMultCoils - 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16 - SPLat Controls","og_description":"A ModBus Master script command When processed this command will result in the SPLat master sending out a ModBus function 15 query (Force coils), then...","og_url":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/","og_site_name":"SPLat Controls","article_modified_time":"2025-06-11T05:38:51+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/","url":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/","name":"ForceMultCoils - 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16 - SPLat Controls","isPartOf":{"@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/#website"},"datePublished":"2025-04-15T09:29:34+00:00","dateModified":"2025-06-11T05:38:51+00:00","breadcrumb":{"@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/forcemultcoils-15-slaveaddr-coiladdr16-itemcount-spaddr16\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/webprojects.cloud\/wordpress\/splatco\/"},{"@type":"ListItem","position":2,"name":"Programming reference","item":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/"},{"@type":"ListItem","position":3,"name":"Instructions arranged by function","item":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/"},{"@type":"ListItem","position":4,"name":"Communications instructions","item":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/"},{"@type":"ListItem","position":5,"name":"MODBUS Instructions","item":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/"},{"@type":"ListItem","position":6,"name":"ModBus Master control script commands","item":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/communications-instructions\/modbus-instructions\/modbus-master-control-script-commands\/"},{"@type":"ListItem","position":7,"name":"ForceMultCoils &#8211; 15, SlaveAddr, CoilAddr16, ItemCount, SPAddr16"}]},{"@type":"WebSite","@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/#website","url":"https:\/\/webprojects.cloud\/wordpress\/splatco\/","name":"SPLat Controls","description":"OEM Embedded Machine Controllers","publisher":{"@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/#organization","name":"SPLat Controls","url":"https:\/\/webprojects.cloud\/wordpress\/splatco\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/#\/schema\/logo\/image\/","url":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2024\/10\/logo.svg","contentUrl":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2024\/10\/logo.svg","caption":"SPLat Controls"},"image":{"@id":"https:\/\/webprojects.cloud\/wordpress\/splatco\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-json\/wp\/v2\/spl_knowledgebase\/2280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-json\/wp\/v2\/spl_knowledgebase"}],"about":[{"href":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-json\/wp\/v2\/types\/spl_knowledgebase"}],"author":[{"embeddable":true,"href":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-json\/wp\/v2\/users\/1"}],"up":[{"embeddable":true,"href":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-json\/wp\/v2\/spl_knowledgebase\/2271"}],"wp:attachment":[{"href":"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-json\/wp\/v2\/media?parent=2280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}