{"product_id":"electronicsandmotors-electronic-component-limit-switch-large-adjustable-rotary","title":"Adjustable Rotary Limit Switch","description":"\u003ch1 class=\"text-2xl font-bold mt-1 text-text-200\"\u003eVersatile Rotary Limit Switches for CNC Applications\u003c\/h1\u003e\n\u003ch2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eRotational Action Design\u003c\/strong\u003e: The lever arm can be positioned to allow switch actuation without interfering with the triggering structure\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eAdjustable Lever\u003c\/strong\u003e: Rotation angle can be adjusted up to 90 degrees\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eFree-Spinning Wheel\u003c\/strong\u003e: Located at the end of the lever to prevent hangups when moving in reverse after actuation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e: Handles up to 5A at 250 volts (compatible with standard 5V digital signals or higher voltages)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eEasy Connection\u003c\/strong\u003e: No soldering required - uses convenient screw terminals\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eMounting Dimensions\u003c\/strong\u003e: Holes located at the back, measuring 21mm on center (width) and 56mm on center (length)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"video-container\"\u003e\u003ciframe width=\"246\" height=\"246\" src=\"https:\/\/www.youtube.com\/embed\/\/8un8rbQcoZU\" style=\"width: 100%; height: 100%;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"\u003eTerminal Configuration\u003c\/h2\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eNormally Open (NO)\u003c\/strong\u003e: Connect through terminals #3 and #4 (closest to the lever arm)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eNormally Closed (NC)\u003c\/strong\u003e: Connect through terminals #1 and #2 (closest to the cable strain relief)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"text-xl font-bold text-text-200 mt-1 -mb-0.5\"\u003eInstallation Guide for Mach3 USB Controller\u003c\/h2\u003e\n\u003ch3 class=\"text-lg font-bold text-text-200 mt-1 -mb-1.5\"\u003eRequired Materials\u003c\/h3\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eShielded cable with two conductors (22 or 24 AWG recommended)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e24VDC power supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-lg font-bold text-text-200 mt-1 -mb-1.5\"\u003eWiring Instructions\u003c\/h3\u003e\n\u003col class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-decimal space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003ePrepare the Limit Switch\u003c\/strong\u003e:\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eRemove the terminal cover to access the connection points\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eIdentify the NO terminals (marked between the terminal pairs)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect your cable to the NO terminals (#3 and #4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eCable Considerations\u003c\/strong\u003e:\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eUse shielded cable to prevent interference with CNC controller input signals\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eThe shield and ground wire must be connected together\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eIf using cable with more than 2 conductors, ground all unused wires to prevent antenna effects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eController Connection\u003c\/strong\u003e:\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect the signal wire (red in example) from one NO terminal to IN1 on the Mach3 USB controller\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect the ground wire (black), any unused wires, and cable shielding to the DCM terminal\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eFor multiple switches, a terminal strip can be used to accommodate connections to DCM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003ePower Supply Connection\u003c\/strong\u003e:\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eUse a 2-conductor cable (shielding optional) between the 24VDC power supply and controller\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect V+ from power supply to 24V terminal on controller\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect V- (COM\/GND) from power supply to DCM terminal on controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eTesting and Adjustment\u003c\/strong\u003e:\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eTest the switch function with the machine part that will engage it\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eAdjust lever length using the securing screw if needed\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eAdjust lever angle using the allen set screw as required\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eWith default configuration, the switch should engage the reset function in Mach3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 class=\"text-lg font-bold text-text-200 mt-1 -mb-1.5\"\u003eConnecting Multiple Switches\u003c\/h3\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMultiple switches in NO mode must be connected in parallel\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect one side of each NO terminal to IN1 (or to another switch on the same input)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnect the other side of each NO terminal to DCM (directly or via terminal strip)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eTest each switch to confirm proper function\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BuildYourCNC","offers":[{"title":"Single Adjustable Rotary Limit Switch","offer_id":45875877380270,"sku":"1978","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/IMG_9514-800.jpg?v=1730085472","url":"https:\/\/buildyuurcnc.com\/products\/electronicsandmotors-electronic-component-limit-switch-large-adjustable-rotary","provider":"BuildYourCNC","version":"1.0","type":"link"}