{"product_id":"beckhoff-c9900-e783-control-panel-push-button-extension","title":"BECKHOFF C9900-E783 Control Panel Push-Button Extension","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBECKHOFF C9900-E783\u003c\/strong\u003e is an operator push-button extension designed specifically for integration with BECKHOFF CP6xxx and CP7xxx Control Panels and Panel PCs. Engineered to mount directly below compatible 15-inch display units that do not feature built-in keyboards, this hardware extension expands your operator interface by combining tactical physical controls with touch-screen operation.\u003c\/p\u003e\n\n\u003cp\u003eThis push-button extension provides operators with tactile controls for immediate action, including standard push-buttons, an integrated emergency stop button, a rotary Gray code selector switch, and front-accessible USB ports. By dividing input paths between USB transmission and direct physical wiring, the unit offers both simplified installation and high-reliability connection architectures for critical commands.\u003c\/p\u003e\n\n\u003cp\u003eAs part of its official lifecycle service phase, the \u003cstrong\u003eBECKHOFF C9900-E783\u003c\/strong\u003e is a critical replacement and retrofit component for legacy machine tools, processing plants, and existing factory automation setups requiring precise physical operator feedback interfaces.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSpecifically designed to fit below 15-inch BECKHOFF displays without integrated keyboards.\u003c\/li\u003e\n  \u003cli\u003eFeatures 16 square push-button keys (30 x 30 mm) equipped with integrated indicator lights.\u003c\/li\u003e\n  \u003cli\u003eIncludes 1 heavy-duty, directly wireable emergency stop button for safety circuit integration.\u003c\/li\u003e\n  \u003cli\u003eEquipped with a 23-position Gray code selector switch monitored via the USB interface.\u003c\/li\u003e\n  \u003cli\u003eDual-port USB Type-A interface located on the front panel, protected by an IP65 screw cap.\u003c\/li\u003e\n  \u003cli\u003eFlexible wiring options featuring USB transmission for standard signals alongside a secondary, direct-wire terminal row for redundant or high-reliability physical wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect mounting below 15-inch BECKHOFF CP6942 and CP7942 Control Panels.\u003c\/li\u003e\n  \u003cli\u003eDirect integration with BECKHOFF CP6242, CP6442, CP6542, and CP7242 Panel PCs.\u003c\/li\u003e\n  \u003cli\u003eMachine tool operator panels requiring physical push-button controls alongside touch screens.\u003c\/li\u003e\n  \u003cli\u003eLegacy hardware replacements and retrofits for systems currently in active operational service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eBECKHOFF Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Number\u003c\/td\u003e\n      \u003ctd\u003eC9900-E783\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003ePush-button extension\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Display Size\u003c\/td\u003e\n      \u003ctd\u003e15-inch displays without keyboard\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePush-button Count\u003c\/td\u003e\n      \u003ctd\u003e16 keys (30 x 30 mm square, with signal lamps)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEmergency Stop\u003c\/td\u003e\n      \u003ctd\u003e1 key, directly wireable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSelector Switch\u003c\/td\u003e\n      \u003ctd\u003e1 Gray code switch, 23 positions (controlled via USB)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFront Interfaces\u003c\/td\u003e\n      \u003ctd\u003e2-port USB Type-A with IP65 screw cap\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSignal Transmission\u003c\/td\u003e\n      \u003ctd\u003eUSB (all push-buttons, indicator lights, and Gray code switch)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDirect Wiring Options\u003c\/td\u003e\n      \u003ctd\u003eTerminal row for secondary normally-open (NO) contacts on push-buttons\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Status\u003c\/td\u003e\n      \u003ctd\u003eService phase\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInterface or Terminal\u003c\/th\u003e\n      \u003cth\u003eFunction\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFront USB Ports\u003c\/td\u003e\n      \u003ctd\u003eDual USB A connection, IP65 protection cap sealed\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInternal USB Cable\u003c\/td\u003e\n      \u003ctd\u003eTransmits primary push-button statuses, Gray code positions, and controls signal lamps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDirect Wire Terminal Row\u003c\/td\u003e\n      \u003ctd\u003eProvides a second normally-open (NO) physical contact for each push-button\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEmergency Stop Terminals\u003c\/td\u003e\n      \u003ctd\u003eDedicated terminals for hardwiring into external safety monitoring circuits\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure that all electrical power to the host CP6xxx or CP7xxx Control Panel or Panel PC is completely disconnected before mounting.\u003c\/li\u003e\n  \u003cli\u003eVerify that the physical housing dimensions of the 15-inch host unit align correctly with the mounting pattern of the C9900-E783 extension block.\u003c\/li\u003e\n  \u003cli\u003eSecurely mount the push-button extension below the display screen assembly using the specified mechanical fasteners.\u003c\/li\u003e\n  \u003cli\u003eConnect the internal USB interface cable from the extension block to the designated USB host port on the Panel PC or Control Panel.\u003c\/li\u003e\n  \u003cli\u003eRoute and wire the physical emergency stop contacts to your machine's primary safety control relays or TwinSAFE systems.\u003c\/li\u003e\n  \u003cli\u003eIf direct physical feedback is required, connect the secondary normally-open (NO) push-button signal paths from the terminal row to your PLC input terminals.\u003c\/li\u003e\n  \u003cli\u003eVerify that the IP65 screw cap is tightly secured over the front USB ports if they are not actively in use.\u003c\/li\u003e\n  \u003cli\u003eRestore system power and test button states, lamp illumination, and the selector switch via your control software.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106398888299,"sku":"C9900-E783","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/c9900-e783-hl1yax2jpia.png?v=1776243597","url":"https:\/\/www.plcprotech.com\/it\/products\/beckhoff-c9900-e783-control-panel-push-button-extension","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}