BECKHOFF

Beckhoff C9900-E875 CP6xxx and CP7xxx Push-Button Extension Module

SKU C9900-E875

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: BECKHOFF
  • Product No.: C9900-E875
  • Origin Germany
  • Product Type: HMI Expansion Modules
  • Payment: T/T, Western Union
  • Weight: 0.5 kg
  • Dimensions: drawings with dimensions of the push-button e x tensions as AutoCAD DXF file
  • Shipping port: Xiamen
  • Warranty: 12 months

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Product Description

Description

Designed for seamless integration on the right side of Beckhoff CP6xxx and CP7xxx Control Panels and Panel PCs, the C9900-E875 push-button extension provides a rugged, tactile physical operator interface for 15-inch displays without keyboards. This industrial-grade extension interface bridges physical emergency stop and operational commands directly into the automation control system, enhancing both safety and operator efficiency on the plant floor.

Key Features

  • Target Compatibility: Purpose-built for mounting on the right side of Beckhoff CP6x32-00xx and CP7x32-00xx 15-inch display HMI control systems.
  • Tactile Operator Interface: Equipped with 18 high-durability Siemens Signum square keys (30 x 30 mm) complete with integrated signal lamps.
  • Integrated Emergency Stop: Includes 1 Siemens Signum emergency stop push-button for direct, hardwired safety integration.
  • Dual-Signal Transmission: Push-buttons feature a redundant design transmitting one normally-open (NO) contact via CP-Link or USB, with a second NO contact directly accessible via terminal row hardwiring.
  • Field-Programmable Labels: Push-button caps support individual marking using insertable labels for clear operator guidance.

Applications

  • Discrete manufacturing execution systems requiring physical start, stop, and cycle control.
  • Heavy machinery HMI stations requiring localized hardwired emergency stop integration.
  • Retrofitting service phase Beckhoff CP6xxx/CP7xxx panel installations.

Technical Specifications

Parameter Specification
Manufacturer Beckhoff Automation
Model Number C9900-E875
Compatible Series CP6x32-00xx & CP7x32-00xx (15-inch without keyboard)
Mounting Location Right side of Control Panel / Panel PC
Push-Button Type 18 x Siemens Signum square (30 x 30 mm)
Emergency Stop Button 1 x Siemens Signum, direct-wired safety channel
Signal Transmission CP-Link or USB (Digital signal for 1st NO contact)
Parallel Hardwiring Terminal row interface for 2nd NO contact
Signal Lamp Control Exclusively via CP-Link or USB communication
Status Phase Service phase (Legacy spare part support)
Shipping Weight (Calculated) 5.0 kg

Empirical Engineering Insights

Alternative Models & Compatibility

As this module is in the official Beckhoff service phase, ensure your target Panel PC or Control Panel has the necessary firmware revision to detect the internal USB/CP-Link controller. Older CP6x32 architectures may require legacy Windows driver profiles to correctly map all 18 push-button indicators.

Application Pitfalls & Engineering Notes

When active, simultaneous illumination of all 18 signal lamps can load the internal power distribution circuit of the panel HMI. To prevent communication drops over USB, use a high-quality shielded USB connection, or power the host Control Panel through an isolated 24V DC source to avoid ground loop current loops feeding into the signal line.

Commissioning & Wiring Tips

Always wire the emergency stop button using the direct-wired contact terminal block straight into your safety relay or fail-safe PLC (such as TwinSAFE), rather than relying on the CP-Link/USB fieldbus signal. This satisfies Cat 4 / PL e safety circuit requirements by maintaining hardware-level independence from the HMI OS execution loop.

Installation Guidelines

CRITICAL SAFETY WARNING

Before mounting or wiring the C9900-E875 extension, verify that the host Control Panel and all associated power supplies are fully de-energized. Failure to disconnect physical power can damage the internal CP-Link/USB communication transceiver and cause unexpected safety circuit activations.

1
Align the physical mechanical bracket of the C9900-E875 to the right-hand mounting track of the CP6xxx/CP7xxx Control Panel. Ensure the sealing gaskets are flush to maintain the enclosure integrity.
2
Secure the mounting screws using the correct torque specification to avoid distorting the panel framework or compromising the IP rating.
3
Route the dual-channel emergency stop wires directly from the terminal row blocks to the safety evaluation unit. Connect the USB or CP-Link physical interface cable to the host control unit.
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
Can the emergency stop button on the C9900-E875 be operated exclusively over the USB/CP-Link bus?
No. For safety standard compliance, the emergency stop button must be hardwired directly to a safety controller or safety relay using the integrated physical terminal row.
How are the status LEDs in the push-buttons controlled?
The signal lamps are controlled digitally through the active CP-Link or USB communication interface from the host Panel PC or PLC program.
Can I customize the key labels on this expansion module?
Yes, the 18 square push-buttons are equipped with clear, insertable caps that allow custom-printed label slips to be placed inside for customized operator control schemes.
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C9900-E875

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Beckhoff C9900-E875 CP6xxx and CP7xxx Push-Button Extension Module

Only 10 item(s) left in stock
  • Manufacturer: BECKHOFF

  • Product No.: C9900-E875

  • Country of origin:Germany

  • Product Type: HMI Expansion Modules

  • Payment: T/T, Western Union

  • Weight: 500g

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

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

Designed for seamless integration on the right side of Beckhoff CP6xxx and CP7xxx Control Panels and Panel PCs, the C9900-E875 push-button extension provides a rugged, tactile physical operator interface for 15-inch displays without keyboards. This industrial-grade extension interface bridges physical emergency stop and operational commands directly into the automation control system, enhancing both safety and operator efficiency on the plant floor.

Key Features

  • Target Compatibility: Purpose-built for mounting on the right side of Beckhoff CP6x32-00xx and CP7x32-00xx 15-inch display HMI control systems.
  • Tactile Operator Interface: Equipped with 18 high-durability Siemens Signum square keys (30 x 30 mm) complete with integrated signal lamps.
  • Integrated Emergency Stop: Includes 1 Siemens Signum emergency stop push-button for direct, hardwired safety integration.
  • Dual-Signal Transmission: Push-buttons feature a redundant design transmitting one normally-open (NO) contact via CP-Link or USB, with a second NO contact directly accessible via terminal row hardwiring.
  • Field-Programmable Labels: Push-button caps support individual marking using insertable labels for clear operator guidance.

Applications

  • Discrete manufacturing execution systems requiring physical start, stop, and cycle control.
  • Heavy machinery HMI stations requiring localized hardwired emergency stop integration.
  • Retrofitting service phase Beckhoff CP6xxx/CP7xxx panel installations.

Technical Specifications

Parameter Specification
Manufacturer Beckhoff Automation
Model Number C9900-E875
Compatible Series CP6x32-00xx & CP7x32-00xx (15-inch without keyboard)
Mounting Location Right side of Control Panel / Panel PC
Push-Button Type 18 x Siemens Signum square (30 x 30 mm)
Emergency Stop Button 1 x Siemens Signum, direct-wired safety channel
Signal Transmission CP-Link or USB (Digital signal for 1st NO contact)
Parallel Hardwiring Terminal row interface for 2nd NO contact
Signal Lamp Control Exclusively via CP-Link or USB communication
Status Phase Service phase (Legacy spare part support)
Shipping Weight (Calculated) 5.0 kg

Empirical Engineering Insights

Alternative Models & Compatibility

As this module is in the official Beckhoff service phase, ensure your target Panel PC or Control Panel has the necessary firmware revision to detect the internal USB/CP-Link controller. Older CP6x32 architectures may require legacy Windows driver profiles to correctly map all 18 push-button indicators.

Application Pitfalls & Engineering Notes

When active, simultaneous illumination of all 18 signal lamps can load the internal power distribution circuit of the panel HMI. To prevent communication drops over USB, use a high-quality shielded USB connection, or power the host Control Panel through an isolated 24V DC source to avoid ground loop current loops feeding into the signal line.

Commissioning & Wiring Tips

Always wire the emergency stop button using the direct-wired contact terminal block straight into your safety relay or fail-safe PLC (such as TwinSAFE), rather than relying on the CP-Link/USB fieldbus signal. This satisfies Cat 4 / PL e safety circuit requirements by maintaining hardware-level independence from the HMI OS execution loop.

Installation Guidelines

CRITICAL SAFETY WARNING

Before mounting or wiring the C9900-E875 extension, verify that the host Control Panel and all associated power supplies are fully de-energized. Failure to disconnect physical power can damage the internal CP-Link/USB communication transceiver and cause unexpected safety circuit activations.

1
Align the physical mechanical bracket of the C9900-E875 to the right-hand mounting track of the CP6xxx/CP7xxx Control Panel. Ensure the sealing gaskets are flush to maintain the enclosure integrity.
2
Secure the mounting screws using the correct torque specification to avoid distorting the panel framework or compromising the IP rating.
3
Route the dual-channel emergency stop wires directly from the terminal row blocks to the safety evaluation unit. Connect the USB or CP-Link physical interface cable to the host control unit.

Can the emergency stop button on the C9900-E875 be operated exclusively over the USB/CP-Link bus?

No. For safety standard compliance, the emergency stop button must be hardwired directly to a safety controller or safety relay using the integrated physical terminal row.

How are the status LEDs in the push-buttons controlled?

The signal lamps are controlled digitally through the active CP-Link or USB communication interface from the host Panel PC or PLC program.

Can I customize the key labels on this expansion module?

Yes, the 18 square push-buttons are equipped with clear, insertable caps that allow custom-printed label slips to be placed inside for customized operator control schemes.

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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