{"id":1223,"date":"2014-09-16T11:09:19","date_gmt":"2014-09-16T18:09:19","guid":{"rendered":"http:\/\/www.rbdinstruments.com\/blog\/?p=1223"},"modified":"2023-12-20T10:42:21","modified_gmt":"2023-12-20T18:42:21","slug":"11-065-28-volt-supply-check","status":"publish","type":"post","link":"https:\/\/www.rbdinstruments.com\/blog\/11-065-28-volt-supply-check\/","title":{"rendered":"11-065 28 Volt supply Check"},"content":{"rendered":"<p>The 28 V DC power supply in the PHI 11-065 ion gun control can become weak and cause symptoms such as low emission current. To test the supply, measure the voltage from the red wire to chassis ground. It should be 28 volts to 29 volts DC, with less than 100mV AC ripple. When defective, the DC voltage will be low (about 10 to 16 volts) and there will be high AC ripple (3 to 6 volts).<\/p>\n<p>Measure from the red wire post to the chassis.\u00a0 <strong>CAUTION<\/strong> &#8211; refer servicing and testing to qualified personnel.<\/p>\n<div id=\"attachment_1224\" style=\"width: 766px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?ssl=1\"><img aria-describedby=\"caption-attachment-1224\" data-attachment-id=\"1224\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/11-065-28-volt-supply-check\/28-volt-supply-test-point\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?fit=756%2C504&amp;ssl=1\" data-orig-size=\"756,504\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"28-volt-supply-test-point\" data-image-description=\"&lt;p&gt;28-volt-supply-test-point&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;28-volt-supply-test-point&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?fit=300%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?fit=584%2C389&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"lazy size-full wp-image-1224\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=584%2C389&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg\" alt=\"28-volt-supply-test-point\" width=\"584\" height=\"389\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?w=756&amp;ssl=1 756w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?resize=450%2C300&amp;ssl=1 450w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><p id=\"caption-attachment-1224\" class=\"wp-caption-text\"><noscript><img data-attachment-id=\"1224\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/11-065-28-volt-supply-check\/28-volt-supply-test-point\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?fit=756%2C504&amp;ssl=1\" data-orig-size=\"756,504\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"28-volt-supply-test-point\" data-image-description=\"&lt;p&gt;28-volt-supply-test-point&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;28-volt-supply-test-point&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?fit=300%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?fit=584%2C389&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-1224\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?resize=584%2C389&#038;ssl=1\" alt=\"28-volt-supply-test-point\" width=\"584\" height=\"389\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?w=756&amp;ssl=1 756w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/09\/28-volt-supply-test-point.jpg?resize=450%2C300&amp;ssl=1 450w\" sizes=\"(max-width: 584px) 100vw, 584px\" data-recalc-dims=\"1\" \/><\/noscript><\/a> 28-volt-supply-test-point<\/p><\/div>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>If your 11-065 28 volt supply is defective, RBD carries them in stock at all times. <a href=\"https:\/\/rbdinstruments.com\/contact.html\" target=\"_blank\" rel=\"noopener\">Contact us for more information<\/a>.<\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 28 V DC power supply in the PHI 11-065 ion gun control can become weak and cause symptoms such as low emission current. To test the supply, measure the voltage from the red wire to chassis ground. It should &hellip; <a href=\"https:\/\/www.rbdinstruments.com\/blog\/11-065-28-volt-supply-check\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[164],"tags":[155,156],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2DEXo-jJ","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1542,"url":"https:\/\/www.rbdinstruments.com\/blog\/11-155-power-supply-test\/","url_meta":{"origin":1223,"position":0},"title":"11-155 power supply test","author":"Randy","date":"July 17, 2015","format":false,"excerpt":"This\u00a011-155 Voltage Testing PDF shows the test points to measure the voltages in the 11-155 power supply which is used on the older PHI 595 and 600 scanning auger systems. Procedure: \u00a0Slide the 11-155 power supply\u00a0 out so that the front of the unit is resting on the floor, and\u2026","rel":"","context":"In &quot;General Optics and Vacuum&quot;","block_context":{"text":"General Optics and Vacuum","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/general-optics-and-vacuum\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2335,"url":"https:\/\/www.rbdinstruments.com\/blog\/how-to-test-the-bias-batteries-in-a-9103-picoammeter\/","url_meta":{"origin":1223,"position":1},"title":"How to test the bias batteries in a 9103 picoammeter","author":"Randy","date":"April 17, 2018","format":false,"excerpt":"The 9103 USB picoammeter is often equipped with a +90 V bias option which improves the accuracy of electron and ion current measurements (by reducing the number of low energy secondary electrons that are generated by the beam from leaving the target). The +90 V bias comprises two 45V batteries\u2026","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"9103 bias batteries","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/04\/9103-Batteries.jpg?fit=972%2C648&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/04\/9103-Batteries.jpg?fit=972%2C648&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/04\/9103-Batteries.jpg?fit=972%2C648&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2478,"url":"https:\/\/www.rbdinstruments.com\/blog\/5kv-floating-picoammeter\/","url_meta":{"origin":1223,"position":2},"title":"5 kV floating Picoammeter Video","author":"Randy","date":"February 16, 2021","format":false,"excerpt":"This blog posts explains how a picoammeter can be floated up to +\/- 5 kV DC It includes a link to a video that shows a 9103 USB picoammeter being floated up to 5 kV and also a Keithley 485 picoammeter trying to float up to 5 kV.","rel":"","context":"In &quot;9103 USB Picoammeter&quot;","block_context":{"text":"9103 USB Picoammeter","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/9103-usb-picoammeter\/"},"img":{"alt_text":"9103 HV","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2019\/02\/9103.jpg?fit=518%2C250&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1600,"url":"https:\/\/www.rbdinstruments.com\/blog\/measure-electron-current-accurately\/","url_meta":{"origin":1223,"position":3},"title":"Measure electron current accurately","author":"Randy","date":"December 12, 2015","format":false,"excerpt":"To measure electron current accurately (or ion current) you need to take secondary electrons out of the measurement. This is easy to do if you have a Faraday cup. The Faraday cup traps secondary electrons which results in an accurate beam current measurement. If secondary electrons are allowed to leave\u2026","rel":"","context":"In &quot;Operation and Calibration Procedures&quot;","block_context":{"text":"Operation and Calibration Procedures","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/operation-and-calibration-procedures\/"},"img":{"alt_text":"Secondary electron cutoff","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2015\/12\/Secondary-electron-cutoff.jpg?fit=899%2C574&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2015\/12\/Secondary-electron-cutoff.jpg?fit=899%2C574&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2015\/12\/Secondary-electron-cutoff.jpg?fit=899%2C574&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1616,"url":"https:\/\/www.rbdinstruments.com\/blog\/32-100-repair-calibration\/","url_meta":{"origin":1223,"position":4},"title":"32-100 Repair &#038; Calibration","author":"Randy","date":"January 3, 2016","format":false,"excerpt":"32-100 Repair & Calibration The 32-100 electron multiplier supply is used on many older PHI Auger and XPS surface analysis systems. This post has information about the 32-100 repair and calibration. Command Structure Use the diagnostic dialog box in Augerscan software to load the digital values per the 32-100 calibration\u2026","rel":"","context":"In &quot;Operation and Calibration Procedures&quot;","block_context":{"text":"Operation and Calibration Procedures","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/operation-and-calibration-procedures\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3769,"url":"https:\/\/www.rbdinstruments.com\/blog\/11-065-filament-current-test\/","url_meta":{"origin":1223,"position":5},"title":"11-065 Filament Current Test","author":"Randy","date":"July 7, 2023","format":false,"excerpt":"Procedure to test the filament current on an 11-065 ion gun controller when it is connected to the 04-303 ion gun.","rel":"","context":"In &quot;Ion Sources&quot;","block_context":{"text":"Ion Sources","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/ion-sources\/"},"img":{"alt_text":"11-065 filament current output","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/07\/20230707_082047_resized.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/07\/20230707_082047_resized.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/07\/20230707_082047_resized.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/07\/20230707_082047_resized.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/1223"}],"collection":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/comments?post=1223"}],"version-history":[{"count":1,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/1223\/revisions"}],"predecessor-version":[{"id":3959,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/1223\/revisions\/3959"}],"wp:attachment":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media?parent=1223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/categories?post=1223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/tags?post=1223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}