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 CP6612-0000-0020 is a compact built-in Panel PC designed for high-performance visualization and control directly at the machine or within industrial control cabinets. Combining a bright 15-inch TFT display with a resolution of 1024 x 768 pixels and a resistive single-finger touch screen, this device serves as a reliable human-machine interface (HMI) for diverse automation environments.
At its core, the CP6612-0000-0020 is powered by an ARM Cortex-A8 processor running at 1 GHz on a 3.5-inch motherboard with 1 GB DDR3 RAM. Operating on the Windows Embedded Compact 7 platform, it is fully compatible with TwinCAT runtime environments, allowing it to act as both a visualization system and a compact controller. The design features a fanless architecture and contains no rotating parts, greatly increasing operational reliability under harsh conditions.
Housed in an aluminum front with a sheet-steel rear cover, the unit provides a front-side IP65 protection rating when correctly installed. The integrated pull-out clamping levers facilitate rapid, secure mounting in cabinet cutouts without loose parts. For communication, the PC features onboard Ethernet and EtherCAT interfaces, alongside classic serial and USB ports for comprehensive connectivity.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | CP6612-0000-0020 |
| Device Type | Built-In Panel PC |
| Display Size | 15 inch (1024 x 768 pixels) |
| Touch Screen | Single-finger resistive touch screen or touch pad |
| Processor | ARM Cortex-A8, 1 GHz |
| Motherboard | 3.5-inch motherboard |
| Memory | 1 GB DDR3 RAM |
| Graphics Adapter | Integrated in the processor |
| Storage Slot | 1 x microSD slot |
| Storage Medium | 512 MB microSD |
| Persistent Memory | 128 kB NOVRAM |
| Ethernet Interfaces | 1 x 10/100BASE-T (onboard) |
| EtherCAT Interfaces | 1 x EtherCAT (onboard) |
| USB Ports | 2 x USB 2.0 |
| Serial Interface | 1 x RS232 |
| Power Supply | 24 V DC |
| Operating System | Windows Embedded Compact 7 (English) |
| Housing Material | Aluminum front, sheet-steel rear cover |
| Installation Method | Pull-out clamping levers |
| Protection Class | Front side IP65, rear side IP20 |
| Operating Temperature | 0 to 55 degC |
| Interface | Function |
|---|---|
| Ethernet | 1 x RJ45 port (10/100BASE-T) for network connection |
| EtherCAT | 1 x RJ45 onboard interface for local fieldbus connection |
| USB | 2 x USB 2.0 ports for peripheral devices |
| RS232 | 1 x Serial COM interface for point-to-point communication |
| Power Input | 24 V DC connection terminal block |
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Returns & Warranty

The BECKHOFF CP6612-0000-0020 is a compact built-in Panel PC designed for high-performance visualization and control directly at the machine or within industrial control cabinets. Combining a bright 15-inch TFT display with a resolution of 1024 x 768 pixels and a resistive single-finger touch screen, this device serves as a reliable human-machine interface (HMI) for diverse automation environments.
At its core, the CP6612-0000-0020 is powered by an ARM Cortex-A8 processor running at 1 GHz on a 3.5-inch motherboard with 1 GB DDR3 RAM. Operating on the Windows Embedded Compact 7 platform, it is fully compatible with TwinCAT runtime environments, allowing it to act as both a visualization system and a compact controller. The design features a fanless architecture and contains no rotating parts, greatly increasing operational reliability under harsh conditions.
Housed in an aluminum front with a sheet-steel rear cover, the unit provides a front-side IP65 protection rating when correctly installed. The integrated pull-out clamping levers facilitate rapid, secure mounting in cabinet cutouts without loose parts. For communication, the PC features onboard Ethernet and EtherCAT interfaces, alongside classic serial and USB ports for comprehensive connectivity.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | CP6612-0000-0020 |
| Device Type | Built-In Panel PC |
| Display Size | 15 inch (1024 x 768 pixels) |
| Touch Screen | Single-finger resistive touch screen or touch pad |
| Processor | ARM Cortex-A8, 1 GHz |
| Motherboard | 3.5-inch motherboard |
| Memory | 1 GB DDR3 RAM |
| Graphics Adapter | Integrated in the processor |
| Storage Slot | 1 x microSD slot |
| Storage Medium | 512 MB microSD |
| Persistent Memory | 128 kB NOVRAM |
| Ethernet Interfaces | 1 x 10/100BASE-T (onboard) |
| EtherCAT Interfaces | 1 x EtherCAT (onboard) |
| USB Ports | 2 x USB 2.0 |
| Serial Interface | 1 x RS232 |
| Power Supply | 24 V DC |
| Operating System | Windows Embedded Compact 7 (English) |
| Housing Material | Aluminum front, sheet-steel rear cover |
| Installation Method | Pull-out clamping levers |
| Protection Class | Front side IP65, rear side IP20 |
| Operating Temperature | 0 to 55 degC |
| Interface | Function |
|---|---|
| Ethernet | 1 x RJ45 port (10/100BASE-T) for network connection |
| EtherCAT | 1 x RJ45 onboard interface for local fieldbus connection |
| USB | 2 x USB 2.0 ports for peripheral devices |
| RS232 | 1 x Serial COM interface for point-to-point communication |
| Power Input | 24 V DC connection terminal block |
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
|