Description
Designed for seamless integration with industrial operator interfaces, the Beckhoff **C9900-E825** serves as a rugged **push-button extension** for CP6x03-00xx and CP7x03-00xx Control Panels and Panel PCs. Engineered specifically for 15-inch displays without integrated keyboards, this right-side mounted extension panel provides operators with direct, tactile control over critical machine functions without occupying valuable screen space.
The unit features 20 high-quality Siemens Signum square push-buttons (30 x 30 mm), each equipped with an integrated signal lamp for clear status feedback. For safety-critical operations, a dedicated Siemens Signum emergency stop button is integrated directly into the layout. The extension utilizes a dual-connection topology: primary push-button signals and indicator light controls are transmitted digitally via a USB interface, while a secondary set of normally-open (NO) contacts and the emergency stop switch are routed to a hardwired terminal row for direct integration into safety relays and PLC input cards.
Features
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Right-Side Integration: Specifically dimensioned and configured for mounting on the right side of 15-inch Beckhoff Control Panels.
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Tactile Operator Controls: Equipped with 20 Siemens Signum square (30 x 30 mm) push-buttons with integrated signal lamps.
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Dedicated Safety Control: Includes 1 Siemens Signum emergency stop button designed for direct, hardwired safety circuit integration.
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Dual-Channel Connectivity: Features USB transmission for primary control signals and indicator lights, alongside a physical terminal row for secondary hardwired connections.
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Customizable Labeling: Insertable labels for push-button caps allow for clear, application-specific marking of control functions.
Applications
- Industrial machine tool control panels
- Automotive assembly line HMI stations
- Process automation manual override consoles
- Custom operator control enclosures requiring physical safety interfaces
Technical Specifications
| Manufacturer |
Beckhoff Automation |
| Part Number / Model |
C9900-E825 |
| Compatible Hardware |
Beckhoff CP6x03-00xx and CP7x03-00xx (15-inch displays without keyboard) |
| Mounting Position |
Right side of the Control Panel / Panel PC |
| Push-Buttons |
20 x Siemens Signum square keys (30 x 30 mm) with signal lamps |
| Emergency Stop |
1 x Siemens Signum emergency stop key, directly wireable |
| Primary Interface |
USB (transmits 1 x NO contact per button; controls all indicator lights) |
| Secondary Interface |
Terminal row (directly wireable second NO contact per button) |
| Shipping Weight |
5.0 kg |
Connections and Interfaces
| Interface Port / Terminal |
Function Description |
| USB Port |
Primary communication to host PC; transmits button presses (1st NO contact) and receives control signals for indicator lamps. |
| Terminal Row |
Direct hardwired connection point for secondary normally-open (NO) contacts of the 20 push-buttons. |
| Emergency Stop Terminals |
Dedicated, isolated terminals for direct integration of the E-stop switch into external safety monitoring relays. |
Installation Guidelines
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Mechanical Mounting: Align the extension housing with the right-side mounting channels of the compatible 15-inch Beckhoff Control Panel. Secure using the specified mounting screws to ensure structural rigidity and maintain the environmental seal.
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USB Connection: Connect the integrated USB interface cable directly to an available USB port on the host Panel PC or Control Panel. Ensure the cable is routed away from high-voltage AC lines to prevent signal interference.
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Hardwiring: For safety-critical loops (including the emergency stop and secondary NO contacts), route discrete wiring from the terminal row to your safety controller or PLC I/O modules. Use appropriate wire ferrules and torque terminals to specification.
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Grounding: Ensure the metal chassis of the push-button extension is electrically bonded to the main control cabinet ground to mitigate electromagnetic noise.
Compliance and Certifications