C9900-E875 | BECKHOFF | Extension à bouton-poussoir pour panneaux de contrôle CP6xxx et CP7xxx et PC panneau avec écran 15 pouces sans clavier (phase de service)

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

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