{"id":30115,"date":"2024-04-30T09:10:06","date_gmt":"2024-04-30T16:10:06","guid":{"rendered":"https:\/\/www.anyload.com\/?page_id=30115"},"modified":"2026-01-05T16:36:34","modified_gmt":"2026-01-06T00:36:34","slug":"junction-boxes","status":"publish","type":"page","link":"https:\/\/www.anyload.com\/es\/junction-boxes\/","title":{"rendered":"Cajas de derivaci\u00f3n"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"30115\" class=\"elementor elementor-30115\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3af3a3 e-flex e-con-boxed e-con e-parent\" data-id=\"a3af3a3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b49d166 e-con-full e-flex e-con e-child\" data-id=\"b49d166\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-adb4157 elementor-widget elementor-widget-text-editor\" data-id=\"adb4157\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"eckb-meta-data-feature-text\">Last Updated On April 29<\/span><span class=\"eckb-meta-data-feature-value\"><time class=\"entry-date\" datetime=\"2023-12-13T19:16:53-07:00\">, 2024<\/time><\/span>\u00a0\u2022 12 min read<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-89d0643 e-flex e-con-boxed e-con e-child\" data-id=\"89d0643\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53c407c elementor-widget elementor-widget-text-editor\" data-id=\"53c407c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Junction Boxes (also referred to as \u201csumming boxes\u201d) are a critical component in weighing systems involving more than load cell, serving as a central hub where multiple load cell signals are collected, summed, and managed.<\/strong> Whether in large-scale industrial platforms or intricate batching systems, the proper selection, installation, and maintenance of junction boxes are key to achieving optimal weighing results.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9a7dd96 e-grid e-con-boxed e-con e-child\" data-id=\"9a7dd96\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c23cb63 elementor-widget elementor-widget-text-editor\" data-id=\"c23cb63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Contenido:<\/p><ol><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#Introduction-junction-box\" data-wplink-edit=\"true\">Introduction to the Junction Box<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#key-functions-junction-box\" data-wplink-edit=\"true\">Key Functions of a Junction Box<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#types-of-junction-boxes\" data-wplink-edit=\"true\">Type of Junction Boxes<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#how-to-connect-junction-box\" data-wplink-edit=\"true\">How to Connect a Junction Box<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#Trimming-With-Junction-Box\" data-wplink-edit=\"true\">Load Cell Trimming with Junction Boxes<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#Excitation-Trim\" data-wplink-edit=\"true\">Excitation Trim<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#Signal-Trim\" data-wplink-edit=\"true\">Signal Trim<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#how-to-trim-junction-box\" data-wplink-edit=\"true\">How to Trim a Load Cell Junction Box<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a style=\"color: #d52b1e; text-decoration: underline;\" href=\"#troubleshooting\" data-wplink-edit=\"true\">Troubleshooting &amp; FAQ<\/a><\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e497bcf elementor-widget elementor-widget-image\" data-id=\"e497bcf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Tank-Weighing-System\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzAxMjAsInVybCI6Imh0dHBzOlwvXC93d3cuYW55bG9hZC5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjRcLzA0XC9UYW5rLVdlaWdoaW5nLVN5c3RlbS5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System.jpg\" class=\"attachment-full size-full wp-image-30120\" alt=\"\" srcset=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System.jpg 1920w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System-450x253.jpg 450w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System-1024x576.jpg 1024w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System-768x432.jpg 768w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System-1536x864.jpg 1536w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Tank-Weighing-System-500x281.jpg 500w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aca1ce7 e-flex e-con-boxed e-con e-child\" data-id=\"aca1ce7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-075ddeb elementor-widget elementor-widget-heading\" data-id=\"075ddeb\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Introduction-junction-box\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. Introduction to Junction Boxes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e54579 elementor-widget elementor-widget-html\" data-id=\"5e54579\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0b3626d e-flex e-con-boxed e-con e-child\" data-id=\"0b3626d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e7aeed elementor-widget elementor-widget-text-editor\" data-id=\"5e7aeed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Junction boxes distributes power and sums up the signals from multiple load cells and deliver a unified signal to an indicator.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-187a6e6 elementor-widget elementor-widget-image\" data-id=\"187a6e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Junction-Box-Diagram\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzAxMjEsInVybCI6Imh0dHBzOlwvXC93d3cuYW55bG9hZC5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjRcLzA0XC9KdW5jdGlvbi1Cb3gtTGFiZWxlZC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled.jpg\" class=\"attachment-full size-full wp-image-30121\" alt=\"A diagram of basic junction box components. Trims pots, breather vent, terminal blocks and cable glands.\" srcset=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled.jpg 1920w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled-450x253.jpg 450w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled-1024x576.jpg 1024w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled-768x432.jpg 768w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled-1536x864.jpg 1536w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Junction-Box-Labeled-500x281.jpg 500w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-292b3c5 e-flex e-con-boxed e-con e-child\" data-id=\"292b3c5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6189fa0 elementor-widget elementor-widget-heading\" data-id=\"6189fa0\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"key-functions-junction-box\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Key Functions of a Junction Box<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1567288 elementor-widget elementor-widget-html\" data-id=\"1567288\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f01f977 e-flex e-con-boxed e-con e-child\" data-id=\"f01f977\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-60f083a elementor-widget elementor-widget-text-editor\" data-id=\"60f083a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Signal Summation &amp; Distribution:<br \/><\/strong>Signal summation is a key function in junction boxes used with multiple load cell systems, allowing for accurate total weight measurements. In these systems, the load is distributed across various points, each monitored by a separate load cell. The junction box collects the electrical outputs from all load cells, combines them, and sends a single comprehensive signal to the display or control system.<strong><br \/><\/strong><\/p><p><strong>Environmental &amp; Electrical Protection<\/strong><br \/>Junction boxes are protect electrical connections against environmental hazards like moisture and dust, as well as electrical disturbances including electromagnetic interference (EMI). Their robust design shields load cell connections from damage and ensures signal integrity by filtering out EMI, crucial in industrial settings. Built-in grounding and surge protection mechanisms safeguard against electric shock and circuit damage from voltage spikes.<\/p><p><strong>Load Cell Trimming<\/strong><br \/>Trimming ensures that the scales with multiple load cells weighs correctly regardless of where the load is applied to the scale by balancing the weight readings from each cell. Junction boxes to ensure that all connected load cells receive or otherwise deliver a consistent voltage. This uniformity is crucial for accurate measurements, as variations in excitation voltage can lead to discrepancies in the load cells&#8217; outputs, leading to inaccurate readings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d57ac28 e-flex e-con-boxed e-con e-child\" data-id=\"d57ac28\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70208a6 elementor-widget elementor-widget-heading\" data-id=\"70208a6\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"types-of-junction-boxes\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Types of Junction Boxes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0db805d elementor-widget elementor-widget-html\" data-id=\"0db805d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74b8d88 elementor-widget elementor-widget-text-editor\" data-id=\"74b8d88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Junction boxes are available in a number of types and configurations depending on the applicational requirements and installation preferences. Each has their specific advantages and trade-offs, which scale technicians evaluate per application. Each type of junction box may be available in excitation trim or signal trim, depending on trimming preference.<\/p><p><strong>Aluminum Junction Boxes<\/strong> <br \/>Compact, cost-effective, typically used in smaller 4-channel applications. Vulnerable to salt corrosion.<\/p><p><strong>Stainless Steel Junction Boxes<\/strong><br \/>Wider range of options (4- to 12-channel), corrosion-resistant. Vulnerable to condensation, moisture.<\/p><p><strong>Plastic\/Fibreglass Junction Boxes<\/strong><br \/>Tight sealing against moisture. Does not condensate. Plastic may naturally deteriorate over time.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c35b7e7 e-flex e-con-boxed e-con e-child\" data-id=\"c35b7e7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a07e56c elementor-widget elementor-widget-heading\" data-id=\"a07e56c\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"how-to-connect-junction-box\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. How to Connect a Junction Box<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74de6c1 elementor-widget elementor-widget-html\" data-id=\"74de6c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e7c722 elementor-widget elementor-widget-text-editor\" data-id=\"8e7c722\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Always consult and follow the instructions specific to each junction box. The following are general instructions applicable to most junction boxes on the market, but exceptions may apply.<\/p>\n<ol>\n<li><b>Do not cut the cable attached to the load cell<\/b><ul>\n<li>There should be some amount of slack in the cable, especially where it connects to the load cell so that force is not transferred from the cable into the load cell, which will interfere with your measurements.<\/li>\n<\/ul>\n<\/li><li><b>Insert the open end of the load cell cable into the ports<\/b><\/li>\n<li><b>Install each wire to the terminal block\n<\/b><ul>\n<li>Check the datasheet for the color coding<\/li>\n<li>Make sure each metal wire is in direct contact with the terminal and there are no obstructions by the rubber shielding<\/li>\n<li>Screw down each wire with a small screwdriver<\/li>\n<\/ul>\n<\/li><li><b>Note whether the junction box is signal trim or excitation trim (if trimming)<\/b><\/li>\n<li><b>Connect the junction box output to the indicator<\/b><\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b1dbcaf e-flex e-con-boxed e-con e-child\" data-id=\"b1dbcaf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f2eb6d1 elementor-widget elementor-widget-heading\" data-id=\"f2eb6d1\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Trimming-With-Junction-Box\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5. Load Cell Trimming with Junction Boxes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b151d78 elementor-widget elementor-widget-html\" data-id=\"b151d78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2db968b elementor-widget elementor-widget-text-editor\" data-id=\"2db968b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Trimming the outputs of load cells may be required before beginning the calibration of a multi-cell system. This adjustment is done via the junction box to harmonize the weight readings from all cells within the system. By doing so, it helps to ensure that the scale provides consistent measurements, irrespective of where the load is applied to the scale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e0af1a5 e-grid e-con-boxed e-con e-child\" data-id=\"e0af1a5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a0d881 elementor-align-justify elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"2a0d881\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><div style=\"text-align: left\">     <b>\u2705 Trimming is needed where:<\/b><br>   <ul><li>Weighing system is legal-for-trade<\/li><li>Center of gravity of the contents is not fixed<\/li><li>Higher accuracy is required<\/li><\/ul><\/div><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83199a2 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"83199a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><div style=\"text-align: left\">     <b>\u274c Trimming is not needed where:<\/b><br>   <ul><li>Weighing self-levelling materials (liquids)<\/li><li>Current-matched load cells are confirmed to be within tolerance<\/li><\/ul><\/div><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b71698 elementor-widget elementor-widget-text-editor\" data-id=\"8b71698\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>Load cell trimming is needed because:<\/strong>\n<ol>\n \t<li>Weight distribution in multiple load cell systems is not equal at each load cell<\/li>\n<ul><li>Loads are not always applied at the exact same point.<\/li>\n\n<li>Vibration, wind, and other agitation can affect weight distribution.\n<\/li>\n\n\n<li>Weighing structures cannot be fabricated to a tolerance that precisely distribute loads equally across all loading points.\n<\/li>\n<\/ul>\n\n<li>Natural variation in individual load cell signal output is unavoidable in the load cell manufacturing process.<\/li>\n<ul>\n<li>\nVariations often of \u00b10.01mV or less is very difficult to control.\n<\/li>\n\n<li>These minor variances can accumulate in multi-cell applications.\n<\/ul>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8aba38b elementor-widget__width-inherit elementor-widget elementor-widget-image\" data-id=\"8aba38b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Demonstrate-Trimming-Output\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzAxMzIsInVybCI6Imh0dHBzOlwvXC93d3cuYW55bG9hZC5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjRcLzA0XC9EZW1vbnN0cmF0ZS1UcmltbWluZy1PdXRwdXQucG5nIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"335\" src=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-768x335.png\" class=\"attachment-medium_large size-medium_large wp-image-30132\" alt=\"\" srcset=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-768x335.png 768w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-450x196.png 450w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-1024x447.png 1024w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-1536x670.png 1536w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-2048x894.png 2048w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/04\/Demonstrate-Trimming-Output-500x218.png 500w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da24d79 elementor-widget elementor-widget-text-editor\" data-id=\"da24d79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Junction boxes are have circuit boards configured to trim either the excitation voltage input to the load cell (excitation trim) or the signal output from the load cell (signal trim). Excitation trim junction boxes regulates the excitation voltage delivered to each load cell. Signal trim junction boxes tune the signal output from load cells, adjusting the signal available to the indicator.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d593407 e-flex e-con-boxed e-con e-child\" data-id=\"d593407\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-220d4a4 elementor-widget elementor-widget-heading\" data-id=\"220d4a4\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Excitation-Trim\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">6. Excitation Trim<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30f64ce elementor-widget elementor-widget-html\" data-id=\"30f64ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5fa8ec elementor-widget elementor-widget-text-editor\" data-id=\"c5fa8ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Excitation trim junction boxes regulates the excitation voltage delivered to each load cell to ensure consistent output from a weighing system. This is done by adding series resistance to the excitation circuit of the load cell, thus reducing the excitation voltage at each cell. The load cell with the lowest mV\/V output receives the full excitation voltage while all other load cells receive slightly smaller excitation voltages proportional to the difference in output.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba45f09 e-grid e-con-boxed e-con e-child\" data-id=\"ba45f09\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0fc033e elementor-widget elementor-widget-image\" data-id=\"0fc033e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"J-Box-Article-5\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Mjg3OTEsInVybCI6Imh0dHBzOlwvXC93d3cuYW55bG9hZC5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjRcLzAzXC9KLUJveC1BcnRpY2xlLTUuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5-1024x819.jpg\" class=\"attachment-large size-large wp-image-28791\" alt=\"\" srcset=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5-1024x819.jpg 1024w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5-450x360.jpg 450w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5-768x614.jpg 768w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5-500x400.jpg 500w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-5.jpg 1252w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ef2d08 elementor-widget elementor-widget-text-editor\" data-id=\"3ef2d08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Less Excitation = Less Signal Output<\/strong><\/p><p>Resistance \u279a;Signal\u2798<br \/>Resistance \u2798;Signal\u279a<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-85e91d0 e-flex e-con-boxed e-con e-child\" data-id=\"85e91d0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c71a5a0 elementor-widget elementor-widget-heading\" data-id=\"c71a5a0\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Signal-Trim\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">7. Signal Trim<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49b846d elementor-widget elementor-widget-html\" data-id=\"49b846d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf35324 elementor-widget elementor-widget-text-editor\" data-id=\"cf35324\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Signal trim junction boxes adds a high parallel resistance between the signal of each load cell, which creates a leakage path that diverts some of the load cell signal away from the indicator. As parallel resistance increases (to the leakage path), more signal is delivered to the indicator.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e42920c e-grid e-con-boxed e-con e-child\" data-id=\"e42920c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c32dcbd elementor-widget elementor-widget-image\" data-id=\"c32dcbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"J-Box-Article-6\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Mjg3OTIsInVybCI6Imh0dHBzOlwvXC93d3cuYW55bG9hZC5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjRcLzAzXC9KLUJveC1BcnRpY2xlLTYuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"750\" src=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6-1024x750.jpg\" class=\"attachment-large size-large wp-image-28792\" alt=\"\" srcset=\"https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6-1024x750.jpg 1024w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6-450x330.jpg 450w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6-768x563.jpg 768w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6-500x366.jpg 500w, https:\/\/www.anyload.com\/wp-content\/uploads\/2024\/03\/J-Box-Article-6.jpg 1366w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eae6c77 elementor-widget elementor-widget-text-editor\" data-id=\"eae6c77\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>More load cell signal will be available to the indicator as parallel resistance increases.<\/p><p>Resistance \u279a;Signal \u279a\u2028<br \/>Resistance \u2798; Signal \u2798<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65a236f elementor-widget elementor-widget-text-editor\" data-id=\"65a236f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Signal trimming is slightly more resistant to significant temperature fluctuations, vibrations, electrical noise, and other conditions that can affect the excitation voltage. However, both types of junction boxes are acceptable and interchangeable in the vast majority of applications, and depends largely on technician preference.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-492481f e-flex e-con-boxed e-con e-child\" data-id=\"492481f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1a714c elementor-widget elementor-widget-heading\" data-id=\"d1a714c\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"how-to-trim-junction-box\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">8. How to Trim a Load Cell Junction Box<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8cc865 elementor-widget elementor-widget-html\" data-id=\"d8cc865\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"stroke\" style=\"position: relative; width: 100%;\">\n<div class=\"stroke-line\" style=\"position: absolute; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, rgba(242, 48, 55, 0) 0%, rgba(242, 48, 55, 1) 10%, rgba(242, 48, 55, 0) 100%); z-index: 1;\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea90fd1 elementor-widget elementor-widget-text-editor\" data-id=\"ea90fd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"white-space-collapse: preserve;\">While there are notable differences in how excitation and signal trim junction boxes function. The following is a general guide to trimming junction boxes. Always consult the product manual for more specific information and instructions. <\/span><\/p>\n<p>ANYLOAD recommends allowing the scale\/weighing system to stabilize for about 10-15 minutes after installation and initial setup before performing corner error adjustments or calibration.<\/p><p><br><\/p>\n<p><\/p><center>Turn clockwise to increase signal output&nbsp;<br>Turn counter-clockwise to decrease signal output&nbsp;<\/center><center><br><\/center><center><\/center><p><\/p>\n<p><strong><span style=\"text-decoration: underline;\">Method 1: Trim to Center<\/span> \u2014 Recommended option for ANYLOAD junction boxes (faster)<\/strong><\/p>\n<ol>\n<li>Check the resistances of the potentiometers using a multimeter to confirm whether they match the factory default settings.\n<ul>\n<li><span style=\"text-decoration: underline;\">EXCITATION<\/span> trim boxes: Place one pin of the multimeter to Exc+ of the output terminal and the other pin to the Exc\u2212 of the load cell terminal.<\/li>\n<li><span style=\"text-decoration: underline;\">SIGNAL<\/span> trim boxes: Place one pin of the multimeter to Si+ of the output terminal and the other pin to the Si\u2212 of the load cell terminal.<\/li>\n<\/ul>\n<\/li>\n<li>Identify the potentiometers related to each load cell\/section. It may be helpful to label them as corners 1, 2, 3, and 4 temporally to avoid confusion.<\/li>\n<li>Place the appropriate test weight* on the exact middle of the scale and record the indicator reading. Move the same test weight to each corner and record the indicator readings.<\/li>\n<li>Place the weight on a corner and adjust the corresponding potentiometer to match the reading to the recorded center reading.\n<ul>\n<li>Adjust the potentiometer so that the reading matches the recorded center reading.<\/li>\n<li>Check the zero balance (reading on the indicator should return to zero) after every adjustment as load cells may be shunting each other.<\/li>\n<\/ul>\n<\/li>\n<li>Test each load cell\/sections again and repeat the Steps 3 &amp; 4 as needed until get the required accuracy.<\/li>\n<li>Pull the excess cables out from the junction box and tighten the cable glands properly using a suitable wrench.<\/li>\n<li>Close the cover and tight the screws properly to seal the junction box to avoid any water leakage.<\/li>\n<\/ol><div><br><\/div>\n<p><strong><span style=\"text-decoration: underline;\">Method 2: Trim to Min\/Max Corner<\/span> \u2014 Applicable for all junction box manufacturers, including ANYLOAD<\/strong><\/p>\n<ol>\n<li>Identify the potentiometer corresponding to each load cell\/section. It may be helpful to label them as corner 1, 2, 3, and 4 temporally to avoid any mix-up or confusion.<\/li>\n<li>Turn all the potentiometers to keep the outputs at their minimum or maximum. A \u201cclick\u201d sound may indicate that they have reached to their limit.<\/li>\n<li>Place the appropriate test weight* on the exact middle of the scale and record the indicator reading. Move the same test weight to each corner and record the indicator readings.<\/li>\n<li>Identify the \u2018reference corner\u2019 \u2014 highest reading corner if the potentiometers are turned to their maximum, lowest reading corner if all potentiometers are turned to their minimum turned counter-clockwise in Step 2.<\/li>\n<li>If trimming to the maximum corner, then start with the potentiometer with the lowest corner reading and turn it to increase the reading to match the highest corner reading (reference corner).<\/li>\n<li>Follow the same process for other two corners. Check the zero balance after every adjustment as load cells may be shunting each other.<\/li>\n<li>Test each load cell\/sections again and repeat the steps 3, 4 and 5 as needed until the required accuracy is attained.<\/li>\n<li>Pull the excess cables out from the junction box and tighten the cable glands properly using a suitable wrench.<\/li>\n<li>Close the cover and tighten the screws properly to seal to minimize moisture ingress.<\/li>\n<\/ol><div><br><\/div>\n<p><strong>* The recommended test weight capacity is dependent on the scale configuration, rules, and regulations. In the US, refer to the Handbook 44, published by the National Institute of Standards and Technology (NIST).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d971cb elementor-widget elementor-widget-heading\" data-id=\"4d971cb\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"troubleshooting\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">9. Troubleshooting &amp; FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85d6013 elementor-widget elementor-widget-n-accordion\" data-id=\"85d6013\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00f3n. Abra los enlaces con Intro o Espacio, ci\u00e9rrelos con Escape y navegue con las teclas de flecha.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1400\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1400\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What if the junction box\/scale has more than 4 load cells? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1400\" class=\"elementor-element elementor-element-b10b791 e-con-full e-flex e-con e-child\" data-id=\"b10b791\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b0d2c3 elementor-widget elementor-widget-text-editor\" data-id=\"2b0d2c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Weighing systems with more than 4 load cells and require trimming often utilizes \u2018section trimming\u2019 to ensure consistent readings. Such applications generally integrate a section trimming function where signals from 2 or more individual load cells are summed together and adjustable by a single trim pot. These systems can thus be trimmed together in these groupings according to the same principle as if there was only 4 load cells. <br \/><br \/>As these are typically larger systems involving higher loading capacities and regulatory compliance requirements sometimes, it is strongly recommended that a professional scale service provider is engaged. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1401\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1401\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the difference between signal trim and excitation trim? Does one have an advantage? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1401\" class=\"elementor-element elementor-element-0500093 e-con-full e-flex e-con e-child\" data-id=\"0500093\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d4412df elementor-widget elementor-widget-text-editor\" data-id=\"d4412df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Both signal and excitation trim adjust the output of each load cell to ensure consistent weighing in multi-cell weighing systems. While signal trim is slightly more resistant to temperature fluctuations, the difference is largely down to technician preference and the overall performance of a weighing system is determined by many additional factors.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1402\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1402\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Readings are unstable <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1402\" class=\"elementor-element elementor-element-b1f230c e-con-full e-flex e-con e-child\" data-id=\"b1f230c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d4e7ab elementor-widget elementor-widget-text-editor\" data-id=\"3d4e7ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If the readings on the indicator are unstable, consider checking all wiring connections and ensure that they are all properly tightened to avoid any loose connections. Check the weighing system to ensure that there are no mechanical obstructions or influences to the load. Check the indicator parameter settings, such as any digital filtering that may have been enabled.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1403\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1403\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Readings not responsive <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1403\" class=\"elementor-element elementor-element-f9a922e e-flex e-con-boxed e-con e-child\" data-id=\"f9a922e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f8a6a07 elementor-widget elementor-widget-text-editor\" data-id=\"f8a6a07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If the readings on the indicator are not responsive to changes to the load applied, check that all the load cell and junction boxes are wired correctly according to the manufacturer\u2019s colour code. Also check the wiring to ensure that there are no loose connections.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1404\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1404\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Readings are reversed <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1404\" class=\"elementor-element elementor-element-29be685 e-flex e-con-boxed e-con e-child\" data-id=\"29be685\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f247f64 elementor-widget elementor-widget-text-editor\" data-id=\"f247f64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If the readings on the indicator are the reverse of what they should be proportional to the load applied, check that the load cell and junction box wiring wired according to load cell\u2019s wiring colour code. Check that + and \u2212 wires and and EXC and SIG are not mixed<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47523a2 elementor-widget elementor-widget-text-editor\" data-id=\"47523a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<span style=\"color: #000000;\">To learn more about how to troubleshoot weighing systems. Click<\/span> <a href=\"https:\/\/www.anyload.com\/es\/weighing-systems-troubleshooting\/\"><span style=\"text-decoration: underline; color: #0000ff;\">aqu\u00ed<\/span><\/a>.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Last Updated On April 29, 2024\u00a0\u2022 12 min read Junction Boxes (also referred to as \u201csumming boxes\u201d) are a critical [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"left-sidebar","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-30115","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/pages\/30115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/comments?post=30115"}],"version-history":[{"count":24,"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/pages\/30115\/revisions"}],"predecessor-version":[{"id":41725,"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/pages\/30115\/revisions\/41725"}],"wp:attachment":[{"href":"https:\/\/www.anyload.com\/es\/wp-json\/wp\/v2\/media?parent=30115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}