C9900-E878

BECKHOFF

BECKHOFF C9900-E878 Control Panel Accessory Push-button Extension

SKU C9900-E878

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: BECKHOFF
  • Product No.: C9900-E878
  • Origin Germany
  • Product Type: Push-button Extensions
  • Payment: T/T, Western Union
  • Weight: 5.0 kg
  • Dimensions: drawings with dimensions of the push-button e x tensions as AutoCAD DXF file
  • Shipping port: Xiamen
  • Warranty: 12 months

Tags

CP6xxx Series Push-button Extensions
Quantity
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Product Description

Description

Designed to expand physical operator control capabilities on Beckhoff human-machine interfaces, the C9900-E878 push-button extension provides integrated tactile inputs directly adjacent to the industrial display. This extension module is engineered for mounting on the right-hand side of CP6x32-00xx and CP7x32-00xx Control Panels and Panel PCs featuring a 15-inch display configuration without an integrated keyboard.

The unit combines digital integration with traditional hardwired fail-safe pathways. It houses 18 individual push-button keys outfitted with integrated signal lamps (Siemens Signum square, 30 x 30 mm layout) and a dedicated Siemens Signum emergency stop key. Signal transmission is handled flexibly: primary button operations and all signal lamp controls are transmitted over CP-Link or USB. For safety-critical integrations and independent control loops, each push-button provides a second normally-open contact routed directly to an onboard terminal row for local hardwiring.

Features

  • Specifically designed for right-side mounting on Beckhoff CP6x32-00xx and CP7x32-00xx 15-inch displays.
  • Equipped with 18 Siemens Signum square (30 x 30 mm) push-buttons with built-in signal lamps.
  • Integrated Siemens Signum emergency stop switch, designed for direct external hardwiring.
  • Customizable label inserts under push-button caps to allow application-specific marking of control functions.
  • Dual-channel connection capability: digital transmission via CP-Link/USB alongside a local terminal row for direct wiring of secondary normally-open contacts.
  • Signal lamps operate exclusively through digital communication channels via the CP-Link or USB interface.

Applications

  • Operator panels on automotive assembly lines.
  • Machine-level HMI control stations in packaging and materials handling.
  • Process control desks requiring physical emergency stop and manual cycle start/stop overrides.
  • Specialty machinery where software touchscreens are complemented by tactile operator controls.

Technical Specifications

ManufacturerPart Number / ModelDevice TypeCompatibilityMounting SideControl ElementsEmergency Stop ElementPrimary InterfaceSecondary InterfaceShipping Weight
BECKHOFF
C9900-E878
Push-button Extension
CP6x32-00xx and CP7x32-00xx (15-inch display without keyboard)
Right side
18 push-buttons (Siemens Signum, square 30 x 30 mm) with signal lamps
1 Emergency Stop key (Siemens Signum), direct-wiring capable
CP-Link or USB (for lamps and first normally-open contact)
Terminal row for direct wiring of second normally-open contact
5.0 kg

Connections and Interfaces

CP-Link / USB ConnectionTerminal RowE-Stop Terminals
Interface Type Function and Routing
Transmits primary push-button states (normally-open) and powers/controls all signal lamps.
Provides hardwired access to the secondary normally-open contacts for the 18 push-buttons.
Directly wireable safety circuit interface for the Siemens Signum Emergency Stop key.

Installation Guidelines

  • Mounting: Mechanically align and secure the extension unit to the right-hand chassis mounting points of the compatible 15-inch control panel. Ensure gaskets are seated correctly to maintain ingress protection ratings.
  • Wiring Safety: Route the emergency stop circuit separately from communication cables to prevent electromagnetic interference and comply with safety loop regulatory standards.
  • Grounding: Ensure the control panel chassis is properly grounded to the machine frame to provide effective shielding for the CP-Link/USB communication lines.
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
Which Beckhoff panels are compatible with the C9900-E878 extension?
The C9900-E878 is compatible with Beckhoff CP6x32-00xx and CP7x32-00xx Control Panels and Panel PCs featuring a 15-inch display configuration without a built-in keyboard.
How are the push-buttons wired to the controller?
They feature dual wiring paths: primary signals are transmitted digitally via CP-Link or USB, while a secondary normally-open contact for each button is routed to a terminal block for direct physical wiring.
Can the signal lamps be controlled via physical wiring?
No. The signal lamps inside the 18 push-buttons are controlled and transmitted exclusively via the USB or CP-Link connection.
How is the Emergency Stop switch wired?
The Siemens Signum Emergency Stop key is directly wireable via dedicated terminals, allowing it to be integrated directly into a physical safety relay or safety PLC circuit.
Reviews

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BECKHOFF C9900-E878 Control Panel Accessory Push-button Extension

Only 10 item(s) left in stock

  • Manufacturer: BECKHOFF

  • Product No.: C9900-E878

  • Country of origin:Germany

  • Product Type: Push-button Extensions

  • Payment: T/T, Western Union

  • Weight: 5000g

  • Dimensions: drawings with dimensions of the push-button e x tensions as AutoCAD DXF file

  • Shipping port: Xiamen

  • Warranty: 12 months

View full details
Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

Designed to expand physical operator control capabilities on Beckhoff human-machine interfaces, the C9900-E878 push-button extension provides integrated tactile inputs directly adjacent to the industrial display. This extension module is engineered for mounting on the right-hand side of CP6x32-00xx and CP7x32-00xx Control Panels and Panel PCs featuring a 15-inch display configuration without an integrated keyboard.

The unit combines digital integration with traditional hardwired fail-safe pathways. It houses 18 individual push-button keys outfitted with integrated signal lamps (Siemens Signum square, 30 x 30 mm layout) and a dedicated Siemens Signum emergency stop key. Signal transmission is handled flexibly: primary button operations and all signal lamp controls are transmitted over CP-Link or USB. For safety-critical integrations and independent control loops, each push-button provides a second normally-open contact routed directly to an onboard terminal row for local hardwiring.

Features

  • Specifically designed for right-side mounting on Beckhoff CP6x32-00xx and CP7x32-00xx 15-inch displays.
  • Equipped with 18 Siemens Signum square (30 x 30 mm) push-buttons with built-in signal lamps.
  • Integrated Siemens Signum emergency stop switch, designed for direct external hardwiring.
  • Customizable label inserts under push-button caps to allow application-specific marking of control functions.
  • Dual-channel connection capability: digital transmission via CP-Link/USB alongside a local terminal row for direct wiring of secondary normally-open contacts.
  • Signal lamps operate exclusively through digital communication channels via the CP-Link or USB interface.

Applications

  • Operator panels on automotive assembly lines.
  • Machine-level HMI control stations in packaging and materials handling.
  • Process control desks requiring physical emergency stop and manual cycle start/stop overrides.
  • Specialty machinery where software touchscreens are complemented by tactile operator controls.

Technical Specifications

ManufacturerPart Number / ModelDevice TypeCompatibilityMounting SideControl ElementsEmergency Stop ElementPrimary InterfaceSecondary InterfaceShipping Weight
BECKHOFF
C9900-E878
Push-button Extension
CP6x32-00xx and CP7x32-00xx (15-inch display without keyboard)
Right side
18 push-buttons (Siemens Signum, square 30 x 30 mm) with signal lamps
1 Emergency Stop key (Siemens Signum), direct-wiring capable
CP-Link or USB (for lamps and first normally-open contact)
Terminal row for direct wiring of second normally-open contact
5.0 kg

Connections and Interfaces

CP-Link / USB ConnectionTerminal RowE-Stop Terminals
Interface Type Function and Routing
Transmits primary push-button states (normally-open) and powers/controls all signal lamps.
Provides hardwired access to the secondary normally-open contacts for the 18 push-buttons.
Directly wireable safety circuit interface for the Siemens Signum Emergency Stop key.

Installation Guidelines

  • Mounting: Mechanically align and secure the extension unit to the right-hand chassis mounting points of the compatible 15-inch control panel. Ensure gaskets are seated correctly to maintain ingress protection ratings.
  • Wiring Safety: Route the emergency stop circuit separately from communication cables to prevent electromagnetic interference and comply with safety loop regulatory standards.
  • Grounding: Ensure the control panel chassis is properly grounded to the machine frame to provide effective shielding for the CP-Link/USB communication lines.
Key Features:
#CP6xxx Series #Push-button Extensions

Which Beckhoff panels are compatible with the C9900-E878 extension?
The C9900-E878 is compatible with Beckhoff CP6x32-00xx and CP7x32-00xx Control Panels and Panel PCs featuring a 15-inch display configuration without a built-in keyboard.

How are the push-buttons wired to the controller?
They feature dual wiring paths: primary signals are transmitted digitally via CP-Link or USB, while a secondary normally-open contact for each button is routed to a terminal block for direct physical wiring.

Can the signal lamps be controlled via physical wiring?
No. The signal lamps inside the 18 push-buttons are controlled and transmitted exclusively via the USB or CP-Link connection.

How is the Emergency Stop switch wired?
The Siemens Signum Emergency Stop key is directly wireable via dedicated terminals, allowing it to be integrated directly into a physical safety relay or safety PLC circuit.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Germany

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