{"product_id":"uc300eth-c76-ethernet-cnc-controller-bundle","title":"UC300ETH + C76 Ethernet CNC Controller Bundle for Mach3, Mach4 \u0026 UCCNC","description":"\u003cdiv style=\"max-width: 950px; margin: 0 auto; font-family: Arial, sans-serif; line-height: 1.6; color: #222;\"\u003e\n\n  \u003csection style=\"padding: 24px; border: 1px solid #e5e5e5; border-radius: 14px; margin-bottom: 22px; background: #fafafa;\"\u003e\n    \u003ch2 style=\"font-size: 26px; margin: 0 0 12px; color: #1f1f1f;\"\u003eUC300ETH + C76 Ethernet CNC Controller Bundle\u003c\/h2\u003e\n    \u003cp style=\"font-size: 16px; margin: 0;\"\u003e\n      This UC300ETH + C76 bundle pairs the UC300ETH-5LPT Ethernet CNC motion controller with the C76 multifunction breakout board to create a cleaner, more complete CNC control solution for Mach3, Mach4, and UCCNC systems. It is built for CNC routers, mills, plasma tables, retrofits, and DIY CNC control cabinets that need reliable Ethernet motion control, organized wiring, spindle control, relay control, and expanded machine I\/O.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"padding: 22px; border-left: 5px solid #f15a24; background: #fff7f3; border-radius: 10px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eQuick Answer\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e A CNC controller bundle that includes the UC300ETH Ethernet motion controller and the C76 UC300ETH multifunction breakout board.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Provides Ethernet CNC motion control, 6-axis step and direction capability, organized I\/O wiring, spindle control, relays, and optoisolated input connections.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e CNC routers, CNC mills, plasma tables, DIY CNC builds, and CNC machine retrofits using Mach3, Mach4, or UCCNC.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy buy the bundle:\u003c\/strong\u003e The UC300ETH handles motion control, while the C76 makes wiring cleaner, safer, and easier inside a CNC control cabinet.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e This bundle still requires compatible CNC software, power supplies, motor drivers, wiring, and correct machine configuration.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-bottom: 10px;\"\u003eWhat Is Included?\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-top: 0;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH-5LPT Ethernet CNC Motion Controller:\u003c\/strong\u003e The main motion controller that communicates with the control PC over Ethernet and outputs step\/direction control signals.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eC76 UC300ETH Multifunction CNC Breakout Board:\u003c\/strong\u003e The interface board that gives the UC300ETH organized terminal access, spindle control, relay outputs, optoisolated I\/O, and control cabinet wiring support.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDocumentation links:\u003c\/strong\u003e Product manuals and software download links are included below for setup reference.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"padding: 22px; border: 1px solid #ddd; border-radius: 14px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eWhy This Bundle Makes Sense\u003c\/h3\u003e\n    \u003cp style=\"margin-bottom: 12px;\"\u003e\n      Buying the UC300ETH controller by itself gives you the motion control brain, but you still need a clean way to wire the machine. The C76 solves that problem by turning the UC300ETH connection into a more practical CNC control cabinet layout with terminals, relays, spindle control, optoisolated inputs, expansion ports, and safety signal wiring.\n    \u003c\/p\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003eCleaner wiring than using the motion controller alone\u003c\/li\u003e\n      \u003cli\u003eBetter fit for professional CNC control cabinet builds\u003c\/li\u003e\n      \u003cli\u003eSupports spindle control, relay control, safety monitoring, and machine I\/O\u003c\/li\u003e\n      \u003cli\u003eReduces confusion when wiring drives, switches, relays, VFD signals, and fault circuits\u003c\/li\u003e\n      \u003cli\u003eGood upgrade path for older parallel-port-style CNC systems\u003c\/li\u003e\n      \u003cli\u003eBetter product match than making customers figure out the controller and breakout board separately\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-bottom: 10px;\"\u003eUC300ETH Controller Highlights\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-top: 0;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eEthernet CNC motion control:\u003c\/strong\u003e Uses an RJ45 Ethernet connection instead of relying on an outdated PC parallel port.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUp to 6-axis control:\u003c\/strong\u003e Supports X, Y, Z, A, B, and C axis CNC machine configurations.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUp to 400kHz step frequency:\u003c\/strong\u003e Supports high-speed step output for compatible stepper and servo drive systems.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e5 IDC26 LPT-compatible ports:\u003c\/strong\u003e Provides large input and output capacity for machine control wiring.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e49 digital inputs and 36 digital outputs:\u003c\/strong\u003e Useful for switches, probes, relays, sensors, alarms, and auxiliary machine functions.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e2 analog inputs and 2 analog outputs:\u003c\/strong\u003e Useful for spindle speed control, overrides, and analog control functions depending on setup.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSoftware compatibility:\u003c\/strong\u003e Works with UCCNC, Mach3, and Mach4 when properly licensed, configured, and paired with the correct plugin.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-bottom: 10px;\"\u003eC76 Breakout Board Highlights\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-top: 0;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDesigned for the UC300ETH:\u003c\/strong\u003e Built as a multifunction breakout board for UC300ETH-based CNC control systems.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOrganized CNC cabinet wiring:\u003c\/strong\u003e Converts controller connections into a more serviceable control cabinet layout.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBuilt-in PWM spindle speed control:\u003c\/strong\u003e Supports spindle speed control wiring in compatible CNC systems.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBuilt-in relays:\u003c\/strong\u003e Includes electromechanical relays with normally open and normally closed positions.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOptoisolated inputs:\u003c\/strong\u003e Helps protect the control system from electrical noise and signal issues.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSafety monitoring:\u003c\/strong\u003e Supports monitoring for E-stop, safety charge pump, driver fault, and VFD fault signals.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eC34 connector board compatibility:\u003c\/strong\u003e Helps simplify wiring to popular stepper and servo drives using compatible C34 boards.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDIN rail mountable:\u003c\/strong\u003e Better suited for clean CNC electrical enclosure installations.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"background: #f5f5f5; padding: 22px; border-radius: 14px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eBest Applications\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003eCNC router control systems\u003c\/li\u003e\n      \u003cli\u003eCNC milling machine controller upgrades\u003c\/li\u003e\n      \u003cli\u003ePlasma table motion control systems\u003c\/li\u003e\n      \u003cli\u003eDIY CNC machine builds\u003c\/li\u003e\n      \u003cli\u003eParallel port CNC machine retrofits\u003c\/li\u003e\n      \u003cli\u003eMach3, Mach4, and UCCNC control cabinet builds\u003c\/li\u003e\n      \u003cli\u003eStepper driver and servo driver systems using step and direction signals\u003c\/li\u003e\n      \u003cli\u003eMachines that need spindle control, relays, optoisolated inputs, and expanded I\/O\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"padding: 22px; border: 1px solid #ddd; border-radius: 14px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eTechnical Highlights\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMotion controller:\u003c\/strong\u003e UC300ETH-5LPT Ethernet CNC motion controller\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBreakout\/interface board:\u003c\/strong\u003e C76 UC300ETH multifunction CNC breakout board\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePC connection:\u003c\/strong\u003e Ethernet RJ45 connection\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSoftware compatibility:\u003c\/strong\u003e UCCNC, Mach3, and Mach4\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAxis support:\u003c\/strong\u003e Up to 6 axes\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMaximum step frequency:\u003c\/strong\u003e Up to 400kHz\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH digital ports:\u003c\/strong\u003e 5 IDC26 LPT-compatible ports\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH digital inputs:\u003c\/strong\u003e 49\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH digital outputs:\u003c\/strong\u003e 36\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH analog inputs:\u003c\/strong\u003e 2\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH analog outputs:\u003c\/strong\u003e 2\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eC76 input support:\u003c\/strong\u003e TTL or industrial-type open-collector inputs\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eC76 power terminal:\u003c\/strong\u003e 10-30VDC for board logic\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eUC300ETH power requirement:\u003c\/strong\u003e External 5VDC power supply required\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMachine control type:\u003c\/strong\u003e Step and direction interface for compatible stepper or servo systems\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"padding: 22px; border-left: 5px solid #222; background: #f9f9f9; border-radius: 10px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eImportant Compatibility Notes\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003eThe UC300ETH is not powered through Ethernet. It requires a stable external 5VDC power supply.\u003c\/li\u003e\n      \u003cli\u003eDo not apply more than 5VDC to the UC300ETH power input.\u003c\/li\u003e\n      \u003cli\u003eThe C76 board uses a separate 10-30VDC power input for its logic power.\u003c\/li\u003e\n      \u003cli\u003eMach3 and Mach4 require the correct plugin and software setup.\u003c\/li\u003e\n      \u003cli\u003eUCCNC requires the correct compatible license and configuration.\u003c\/li\u003e\n      \u003cli\u003eThis bundle does not replace your stepper drivers, servo drives, power supplies, VFD, spindle, limit switches, or E-stop hardware.\u003c\/li\u003e\n      \u003cli\u003eAlways verify your wiring, grounding, shielding, power supplies, drive signals, and software configuration before powering the machine.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-bottom: 10px;\"\u003eIndividual Product Pages\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-top: 0;\"\u003e\n      \u003cli\u003e\n        \u003ca href=\"https:\/\/buildyourcnc.com\/products\/uc300eth-ethernet-motion-controller-for-mach3-mach4-and-uccnc-6-axis-5-lpt-ports-up-to-400khz\" target=\"_blank\" rel=\"noopener\" style=\"color: #c9411d; font-weight: bold; text-decoration: none;\"\u003e\n          View the UC300ETH Ethernet Motion Controller for more information\n        \u003c\/a\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003ca href=\"https:\/\/buildyourcnc.com\/products\/c76-uc300eth-multifunction-cnc-breakout-board-with-spindle-control-optoisolated-i-o?_pos=1\u0026amp;_psq=c76\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener\" style=\"color: #c9411d; font-weight: bold; text-decoration: none;\"\u003e\n          View the C76 UC300ETH Multifunction CNC Breakout Board for more information\n        \u003c\/a\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"padding: 22px; border: 1px solid #e5e5e5; border-radius: 14px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eWhy Buy the Bundle Instead of Separate Parts?\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBetter match:\u003c\/strong\u003e The C76 is designed specifically for UC300ETH-based control systems.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLess guesswork:\u003c\/strong\u003e Customers do not have to figure out which breakout board pairs with the UC300ETH.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCleaner build:\u003c\/strong\u003e The bundle is better suited for organized CNC control cabinet wiring.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMore complete control setup:\u003c\/strong\u003e Motion control, I\/O breakout, spindle control, relays, and safety monitoring are handled as one system.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBetter sales positioning:\u003c\/strong\u003e This is not just a controller; it is a stronger foundation for a serious CNC electronics upgrade.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"background: #f5f5f5; padding: 22px; border-radius: 14px; margin-bottom: 26px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eDocuments and Setup Files\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 0; margin: 0; list-style: none; border: 1px solid #e0e0e0; border-radius: 8px; overflow: hidden;\"\u003e\n      \u003cli style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/UC300ETH_manual.pdf?v=1779315873\" target=\"_blank\" rel=\"noopener\" style=\"display: block; padding: 13px 16px; color: #222; text-decoration: none; font-size: 16px;\"\u003e\n          🔗 UC300ETH Manual\n        \u003c\/a\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/UC100_V2_151.zip?v=1779315879\" target=\"_blank\" rel=\"noopener\" style=\"display: block; padding: 13px 16px; color: #222; text-decoration: none; font-size: 16px;\"\u003e\n          🔗 Plugin for Manual Installation for Mach3\n        \u003c\/a\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/ucxxx_utility.zip?v=1779315885\" target=\"_blank\" rel=\"noopener\" style=\"display: block; padding: 13px 16px; color: #222; text-decoration: none; font-size: 16px;\"\u003e\n          🔗 UCxx Utility Software\n        \u003c\/a\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/c76_rev4_user_manual_ver2.1.pdf?v=1779314625\" target=\"_blank\" rel=\"noopener\" style=\"display: block; padding: 13px 16px; color: #222; text-decoration: none; font-size: 16px; background: #f4f4f4;\"\u003e\n          🔗 C76 User Manual Rev.4 v2.1\n        \u003c\/a\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"padding: 22px; border: 1px solid #e5e5e5; border-radius: 14px;\"\u003e\n    \u003ch3 style=\"font-size: 21px; margin-top: 0;\"\u003eBefore You Order\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 22px; margin-bottom: 0;\"\u003e\n      \u003cli\u003eChoose this bundle if you want a UC300ETH-based Ethernet CNC control setup with cleaner wiring and expanded I\/O.\u003c\/li\u003e\n      \u003cli\u003eDo not buy this expecting it to connect directly to motors by itself. You still need compatible stepper drivers or servo drives.\u003c\/li\u003e\n      \u003cli\u003eMake sure your CNC software, power supplies, drives, switches, spindle\/VFD, and safety circuits are compatible before installation.\u003c\/li\u003e\n      \u003cli\u003eThis is the better choice over buying only the UC300ETH if your goal is a clean, serviceable CNC control cabinet.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"BuildYourCNC","offers":[{"title":"Default Title","offer_id":47889962631342,"sku":null,"price":319.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/UC300ETH_and_C76_Ethernet_CNC_Controller_Bundle.jpg?v=1779317008","url":"https:\/\/buildyourcnc.com\/products\/uc300eth-c76-ethernet-cnc-controller-bundle","provider":"BuildYourCNC","version":"1.0","type":"link"}