Beckhoff C9900-E818 CP6xxx and CP7xxx Push-Button Extension

Name: Beckhoff C9900-E818 CP6xxx and CP7xxx Push-Button Extension
Brand: BECKHOFF
SKU: C9900-E818

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Hersteller: BECKHOFF
Produkt-Nr.: C9900-E818
Herkunftsland:Deutschland
Produkttyp: Push-Button Extensions
Zahlung: T/T, Western Union
Gewicht: 5000g
Abmessungen: drawings with dimensions of the push-button e x tensions as AutoCAD DXF file
Versandhafen: Xiamen
Garantie: 12 Monate

Beckhoff C9900-E818 CP6xxx and CP7xxx Push-Button Extension

### Description Designed for seamless physical integration with 15-inch CP6xxx and CP7xxx Control Panels and Panel PCs, the **Beckhoff C9900-E818** provides an ergonomic, right-side mounted operator interface. This industrial-grade push-button extension facilitates direct tactile control alongside standard HMI visualization screens, making it ideal for machinery requiring immediate operator intervention. The unit features 16 integrated push-buttons with signal lamps and a dedicated emergency stop button. To ensure high system reliability and safety compliance, the module utilizes a dual-contact architecture. Primary control signals and lamp states are transmitted digitally via CP-Link or USB, while secondary contacts and safety-critical circuits are routed to a terminal block for direct hardwiring. ### Features * **Right-Side Mounting:** Engineered specifically for CP6x31-00xx and CP7x31-00xx 15-inch display panels without integrated keyboards. * **Tactile Operator Controls:** Equipped with 16 Siemens Signum square (30 x 30 mm) push-buttons featuring integrated signal lamps. * **Dedicated Safety Interface:** Includes 1 Siemens Signum emergency stop key designed for direct, hardwired safety circuit integration. * **Dual-Contact Architecture:** Each push-button features a primary normally-open (NO) contact transmitted via CP-Link/USB and a secondary NO contact wired directly to an internal terminal row. * **Customizable Labeling:** Push-button caps support insertable labels for clear, application-specific function marking. * **Independent Lamp Control:** Signal lamps are driven directly via the CP-Link or USB interface. ### Applications * Machine tool control stations * Automotive assembly and welding lines * Process plant visualization panels * Custom OEM machinery control consoles ### Technical Specifications

Parameter	Value
Manufacturer	Beckhoff
Part Number/Model	C9900-E818
Compatible Series	CP6x31-00xx, CP7x31-00xx (15-inch displays)
Mounting Location	Right side of Control Panel / Panel PC
Push-Button Quantity	16 x Siemens Signum square (30 x 30 mm)
Emergency Stop	1 x Siemens Signum (directly wireable)
Contact Configuration	Dual Normally Open (NO) contacts per push-button
Communication Interface	CP-Link or USB (for primary contacts and signal lamps)
Hardwiring Interface	Terminal row (for secondary contacts and emergency stop)
Shipping Weight	5 kg

### Connections and Interfaces

Interface / Connection	Function
CP-Link / USB Connection	Transmits primary NO contact states and controls all integrated signal lamps.
Internal Terminal Row	Provides direct hardwiring access for secondary NO contacts of all 16 push-buttons.
Emergency Stop Terminals	Dedicated hardwired terminals for integration into external safety relays or fail-safe controllers.

### Installation Guidelines * **Mechanical Mounting:** Secure the extension housing to the right side of the compatible 15-inch Beckhoff Control Panel using the provided mounting hardware. Ensure the gasket is properly seated to maintain the panel's environmental rating. * **Wiring Routing:** Route the USB or CP-Link communication cable away from high-voltage AC power lines or variable frequency drive (VFD) cables to prevent electromagnetic interference. * **Safety Circuitry:** The emergency stop button must be wired directly to a certified safety monitoring relay or fail-safe PLC input using the dedicated terminal row. Do not route safety-critical stop signals through the USB or CP-Link communication bus. * **Grounding:** Ensure the push-button extension housing is properly bonded to the common functional ground of the main control panel assembly.

Key Features:

#Beckhoff CP Series #Push-Button Extensions

Which Beckhoff panels are compatible with the C9900-E818?

The C9900-E818 is designed specifically for right-side mounting on Beckhoff CP6x31-00xx and CP7x31-00xx Control Panels and Panel PCs with 15-inch displays that do not have integrated keyboards.

How are the push-buttons and signal lamps wired in this extension?

The push-buttons feature a dual-contact design. The primary normally-open (NO) contact and all signal lamps are transmitted digitally via CP-Link or USB. The secondary NO contact for each button is routed to an internal terminal row for direct hardwiring.

Can the emergency stop button be monitored via USB or CP-Link?

No. To comply with industrial safety standards, the Siemens Signum emergency stop button must be hardwired directly to an external safety relay or fail-safe controller via its dedicated terminal connections.

Are the push-button labels customizable?

Yes, the Siemens Signum push-button caps allow for individual insertable labels, enabling clear, application-specific marking for operators.

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