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.
The BECKHOFF CP2721-0010 is a built-in Panel PC engineered for industrial human-machine interface (HMI) applications. Combining high-resolution visualization and processing in a single unit, this fanless device is designed to be installed directly in the front of control cabinets or control desks. Its integrated design optimizes space utilization while maintaining complete control functionality on the factory floor.
At the core of the BECKHOFF CP2721-0010 is a modern multi-touch interface paired with a 21.5-inch display. The unit uses a 3½-inch motherboard designed for Intel Atom processors, achieving a balance of computational efficiency and low power consumption. This architecture allows the Panel PC to operate without active fan cooling, minimizing maintenance overhead and eliminating dust accumulation risks inside the enclosure.
Equipped with dual CFast slots and integrated communication interfaces, the Panel PC serves as a reliable platform for TwinCAT-based control systems. The front face is protected against dust and liquids, making it suitable for rigorous operation in manufacturing, assembly, and process control environments.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | CP2721-0010 |
| Device Type | Fanless built-in Panel PC |
| Display Size | 21.5-inch |
| Resolution | 1920 x 1080 (Full HD) |
| Touch Screen | Multi-finger capacitive touch screen |
| Parameter | Specification |
|---|---|
| Processor Support | Intel Atom E38xx series (up to 4 cores) |
| Motherboard | 3½-inch industrial motherboard |
| Memory Options | 2 GB DDR3L RAM (expandable up to 8 GB ex factory) |
| Storage Interfaces | 2 slots for CFast cards |
| PCIe/PCI Expansion | 1 PCIe module slot |
| Parameter | Specification |
|---|---|
| Power Supply | 24 V DC (UPS options configurable) |
| On-Board Ethernet | 2 x 100/1000BASE-T ports |
| USB Interfaces | 4 x USB 2.0 (rear), 1 x USB (front) |
| Video Output | 1 x DVI-D port |
| Parameter | Specification |
|---|---|
| Housing Material | Aluminum front panel with glass front, metal rear enclosure |
| Protection Rating (Front) | IP65 (dustproof and protected against water jets) |
| Protection Rating (Rear) | IP20 (protected against finger-sized solid objects) |
| Operating Temperature | 0 to 55 degC |
| Mounting Method | Pull-out clamping levers for quick cabinet cutout installation |
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Returns & Warranty

The BECKHOFF CP2721-0010 is a built-in Panel PC engineered for industrial human-machine interface (HMI) applications. Combining high-resolution visualization and processing in a single unit, this fanless device is designed to be installed directly in the front of control cabinets or control desks. Its integrated design optimizes space utilization while maintaining complete control functionality on the factory floor.
At the core of the BECKHOFF CP2721-0010 is a modern multi-touch interface paired with a 21.5-inch display. The unit uses a 3½-inch motherboard designed for Intel Atom processors, achieving a balance of computational efficiency and low power consumption. This architecture allows the Panel PC to operate without active fan cooling, minimizing maintenance overhead and eliminating dust accumulation risks inside the enclosure.
Equipped with dual CFast slots and integrated communication interfaces, the Panel PC serves as a reliable platform for TwinCAT-based control systems. The front face is protected against dust and liquids, making it suitable for rigorous operation in manufacturing, assembly, and process control environments.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | CP2721-0010 |
| Device Type | Fanless built-in Panel PC |
| Display Size | 21.5-inch |
| Resolution | 1920 x 1080 (Full HD) |
| Touch Screen | Multi-finger capacitive touch screen |
| Parameter | Specification |
|---|---|
| Processor Support | Intel Atom E38xx series (up to 4 cores) |
| Motherboard | 3½-inch industrial motherboard |
| Memory Options | 2 GB DDR3L RAM (expandable up to 8 GB ex factory) |
| Storage Interfaces | 2 slots for CFast cards |
| PCIe/PCI Expansion | 1 PCIe module slot |
| Parameter | Specification |
|---|---|
| Power Supply | 24 V DC (UPS options configurable) |
| On-Board Ethernet | 2 x 100/1000BASE-T ports |
| USB Interfaces | 4 x USB 2.0 (rear), 1 x USB (front) |
| Video Output | 1 x DVI-D port |
| Parameter | Specification |
|---|---|
| Housing Material | Aluminum front panel with glass front, metal rear enclosure |
| Protection Rating (Front) | IP65 (dustproof and protected against water jets) |
| Protection Rating (Rear) | IP20 (protected against finger-sized solid objects) |
| Operating Temperature | 0 to 55 degC |
| Mounting Method | Pull-out clamping levers for quick cabinet cutout installation |
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
|