{"id":2436,"date":"2021-01-29T06:54:25","date_gmt":"2021-01-29T06:54:25","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=2436"},"modified":"2022-02-18T15:05:15","modified_gmt":"2022-02-18T15:05:15","slug":"terminating-resistor","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/communications\/rs485\/terminating-resistor","title":{"rendered":"Terminating resistor"},"content":{"rendered":"\n<p>A RS485 bus needs a 120ohm resistor placed at each end of the cable run.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Software switched terminating resistor<\/h4>\n\n\n\n<p>This circuit works well for digitally switching in a terminating resistor:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rs485_terminating_switch.png\"><img loading=\"lazy\" decoding=\"async\" width=\"647\" height=\"512\" src=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rs485_terminating_switch.png\" alt=\"\" class=\"wp-image-2437\" srcset=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rs485_terminating_switch.png 647w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rs485_terminating_switch-300x237.png 300w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rs485_terminating_switch-60x47.png 60w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rs485_terminating_switch-150x119.png 150w\" sizes=\"auto, (max-width: 647px) 100vw, 647px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A RS485 bus needs a 120ohm resistor placed at each end of the cable run. Software switched terminating resistor This circuit works well for digitally switching in a terminating resistor:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[95],"tags":[],"class_list":["post-2436","post","type-post","status-publish","format-standard","hentry","category-rs485"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/comments?post=2436"}],"version-history":[{"count":1,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2436\/revisions"}],"predecessor-version":[{"id":2438,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2436\/revisions\/2438"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=2436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=2436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=2436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}