Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Designed to expand the physical control interface of built-in CP2xxx multi-touch panels, the Beckhoff C9900-G005 push-button extension provides direct tactile operator feedback directly below the primary display. This robust horizontal extension module integrates physical control elements into the machine-level visualization architecture, bridging software control and physical action. By combining traditional hardwired safety connections with modern USB interface options, this module ensures flexible control integration while maintaining safety integrity for critical emergency systems.
The unit features premium tactile components designed for high-duty cycle industrial environments, allowing operators to execute commands reliably without looking away from the primary display interface. Slide-in label options for each push-button cap enable clear, custom marking of control paths to suit specialized machine configurations.
| Beckhoff |
| C9900-G005 |
| Push-button extension for built-in CP2xxx panels |
| Horizontal (below control panel) |
| RAFI RAFIX 22FS+, round, 30 mm, with signal lamp |
| 1x RAFI RAFIX 22FS+ emergency stop key |
| 1x switch contact via USB, 1x switch contact via terminal strip per key |
| Break contacts wired exclusively via hardware terminal strip |
| Driven via USB interface |
| M20 cable gland routing |
| 7 kg |
| Interface Type | Function Description |
|---|---|
| USB Connection | Transmits primary switch contact state and drives the integrated signal lamps. |
| Terminal Strip Connection | Provides redundant hardwired switch contacts for standard push-buttons and safety-critical break contacts for the emergency stop key. |
| M20 Gland Entry | Accommodates systematic, dust-tight routing for all control and communication cables. |
Global Express Shipping
Returns & Warranty

Designed to expand the physical control interface of built-in CP2xxx multi-touch panels, the Beckhoff C9900-G005 push-button extension provides direct tactile operator feedback directly below the primary display. This robust horizontal extension module integrates physical control elements into the machine-level visualization architecture, bridging software control and physical action. By combining traditional hardwired safety connections with modern USB interface options, this module ensures flexible control integration while maintaining safety integrity for critical emergency systems.
The unit features premium tactile components designed for high-duty cycle industrial environments, allowing operators to execute commands reliably without looking away from the primary display interface. Slide-in label options for each push-button cap enable clear, custom marking of control paths to suit specialized machine configurations.
| Beckhoff |
| C9900-G005 |
| Push-button extension for built-in CP2xxx panels |
| Horizontal (below control panel) |
| RAFI RAFIX 22FS+, round, 30 mm, with signal lamp |
| 1x RAFI RAFIX 22FS+ emergency stop key |
| 1x switch contact via USB, 1x switch contact via terminal strip per key |
| Break contacts wired exclusively via hardware terminal strip |
| Driven via USB interface |
| M20 cable gland routing |
| 7 kg |
| Interface Type | Function Description |
|---|---|
| USB Connection | Transmits primary switch contact state and drives the integrated signal lamps. |
| Terminal Strip Connection | Provides redundant hardwired switch contacts for standard push-buttons and safety-critical break contacts for the emergency stop key. |
| M20 Gland Entry | Accommodates systematic, dust-tight routing for all control and communication cables. |
Global Express Shipping
Returns & 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 .
| Country of origin |
Germany
|