{"id":1699,"date":"2025-04-11T12:32:34","date_gmt":"2025-04-11T12:32:34","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=1699"},"modified":"2025-06-10T08:01:11","modified_gmt":"2025-06-10T08:01:11","slug":"xiro16-power-requirements","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/product-documentation\/product-documentation-expansion-boards\/xiro16-8-inputs-and-8-relay-outputs-5a\/xiro16-power-requirements\/","title":{"rendered":"XIRO16: Power requirements"},"content":{"rendered":"\n<p>The XIRO16 board may be powered off the same power supply as the SPLat controller board it serves or off a different supply. The XIRO16 requires a supply voltage of 12-28VDC, with an absolute maximum rating of 32VDC. It typically draws up to 300mA with all relays activated.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Note: If you use two power supplies, the expansion board(s) must be powered up at the same time as, or before, the controller.<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>It is absolutely essential that none of the current from the external inputs flows through the cable back to the controller<\/strong>. For this reason the 0V pin on the XIRO16 power connector&nbsp;<em>must<\/em>&nbsp;be wired independently back to the main power supply. If you use separate power supplies you&nbsp;<em>must<\/em>&nbsp;tie their negative (0V) terminals together and to the 0V terminals of the controller and XIRO16. If you fail to do this you will at best experience erratic performance and at worst damage either the XIRO16, the controller board or both.<\/p>\n\n\n\n<p>You should supply power for the board itself via the 2-pin power connector. Note that the + pins on the power and input connectors are joined together on the board, as are the 0V pins. It is a good idea to separately wire all 0V pins back to the power supply common. The + supply is brought out to the input connector as a convenience, if you are using powered sensors like proximity switches.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The XIRO16 board may be powered off the same power supply as the SPLat controller board it serves or off a different supply. The XIRO16&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1693,"menu_order":3,"template":"","class_list":["post-1699","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>XIRO16: Power requirements - 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=\"XIRO16: Power requirements - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"The XIRO16 board may be powered off the same power supply as the SPLat controller board it serves or off a different supply. 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