{"product_id":"beckhoff-c9900-e557-cp6xxx-and-cp7xxx-push-button-extension","title":"Beckhoff C9900-E557 CP6xxx and CP7xxx Push-button Extension","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for physical operator control integration, the \u003cstrong\u003eBeckhoff C9900-E557\u003c\/strong\u003e provides a ruggedized, right-side push-button extension for CP6xxx and CP7xxx Control Panels and Panel PCs equipped with 15-inch displays and function keys. This expansion module bridges the gap between digital HMI commands and direct physical actuation, enabling critical control signals to bypass network latency during setup or emergency conditions. Operating in its service phase, this module ensures legacy compatibility and direct physical feedback on industrial production floors.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhysical Control Interface:\u003c\/strong\u003e Equipped with 16 square push-button keys (30 x 30 mm, Siemens Signum type) featuring integrated signal lamps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDedicated Safety Control:\u003c\/strong\u003e Integrated Siemens Signum emergency stop key, directly wireable for hardwired safety-loop integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable Layouts:\u003c\/strong\u003e Insertable labels for push-button caps allow custom engraving or labeling to match specific operator function designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHybrid Communication:\u003c\/strong\u003e All 16 push-buttons utilize a dual-contact architecture, transmitting one normally-open (NO) contact via CP-Link or USB, while a second NO contact is wireable directly to local terminal rows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndependent Indicator Control:\u003c\/strong\u003e Signal lamps are driven directly via the host panel interface (CP-Link or USB), allowing flexible software-driven feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eCustom operator stations for automotive manufacturing and assembly plants.\u003c\/li\u003e\n  \u003cli\u003eHeavy industrial machinery requiring redundant physical control switches alongside touch interfaces.\u003c\/li\u003e\n  \u003cli\u003eRetrofits of legacy CP6x12-00xx and CP7x12-00xx installations requiring standard compliance upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eC9900-E557\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCompatible Host Panels\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCP6x12-00xx and CP7x12-00xx (15-inch displays)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMounting Configuration\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRight-side panel attachment\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperator Elements\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e16x push-buttons with signal lamps (Siemens Signum, 30 x 30 mm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eEmergency Stop\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1x Siemens Signum emergency stop key, directly wireable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCommunication Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUSB or CP-Link (primary NO contacts and lamp signals)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDirect Output Terminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eInternal terminal row for hardwired secondary NO contacts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eGermany\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eConnector \/ Terminal Row\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eFunction \/ Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCP-Link \/ USB Bus Connection\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTransmits digital keypresses (1st NO contact) and controls LED signal lamps.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInternal Terminal Strip\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDirect screw terminal interface for secondary hardwired NO contacts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eE-Stop Contact Blocks\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIndependent, direct-wire contacts for safety relay or safety PLC connection.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\u003cstrong\u003eAlternative Models \u0026amp; Compatibility:\u003c\/strong\u003e Ensure your host model is a true 15-inch display (CP6x12 or CP7x12). Variations of this extension exist for left-side mounting and alternative display sizes; swapping left and right side models is not mechanically possible due to the asymmetric housing alignment and integrated wiring paths.\u003c\/p\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\u003cstrong\u003eApplication Pitfalls \u0026amp; Engineering Notes:\u003c\/strong\u003e Because the primary NO signals and indicator lights run over CP-Link or USB, do not use the software-interfaced button contacts for safety-critical interlocking or safety functions. Use the hardwired terminal row for safety-related actions, and route the Emergency Stop directly to certified safety monitoring relays.\u003c\/p\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\u003cstrong\u003eCommissioning \u0026amp; Wiring Tips:\u003c\/strong\u003e To maintain the host panel's overall IP rating, ensure the interface gasket between the C9900-E557 housing and the Control Panel is properly seated and tightened to OEM specifications during installation. If using long USB segments, ensure an active repeater or high-quality shielded USB cables are utilized to prevent transmission drops of the button status.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate all electrical power sources before commencing installation. De-energize both the primary Control Panel feed and any external auxiliary supply voltages wired to the internal terminal strip. Secure against accidental reconnection.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eCarefully remove the right-side cover plate from the compatible Beckhoff CP6xxx or CP7xxx Control Panel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign the C9900-E557 extension module with the mounting tracks, ensuring the rubber seal is completely flush and free of folds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eRoute internal connection cables (USB\/CP-Link internal connector) to the designated interface board on the host panel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the secondary direct-acting terminals and safety-critical emergency stop lines using appropriate wire gauges and terminal tools.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e5\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSecure all mechanical fasteners, close the housing enclosure, apply power, and verify button functionality and E-stop circuit continuity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106431426923,"sku":"C9900-E557","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/c9900-e557-wegvnsea204.png?v=1776243553","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-c9900-e557-cp6xxx-and-cp7xxx-push-button-extension","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}