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 CP7703-0020-0050 is an industrial Panel PC engineered for mounting arm installation, combining a 19-inch high-resolution display with a compact, rear-mounted PC chassis. This design allows the unit to be mounted directly on support arms or machine frames, saving valuable space inside control cabinets while placing control and visualization directly at the operator station.
Constructed with a robust aluminum housing, the CP7703-0020-0050 provides high environmental protection. The system is fanless, using passive heat dissipation to ensure quiet, low-maintenance operation even in challenging industrial environments. Powered by an energy-efficient Intel Atom processor, this Panel PC delivers reliable processing and control performance for standard human-machine interface (HMI) applications and compact machine control tasks.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | CP7703-0020-0050 |
| Device Type | Panel PC (Control Panel with integrated PC backplane) |
| Display Size | 19 inches |
| Resolution | 1280 x 1024 pixels |
| Housing Material | Aluminum |
| Protection Rating | IP65 (fully enclosed) |
| Operating Temperature | 0 to 45 Celsius |
| Power Supply | 24 V DC |
| Ethernet Ports | 2 x 10/100/1000BASE-T (IP65) |
| Serial Interface | 1 x RS232 (DIN 12-pin IP65 on backplane) |
| Mounting Configuration | 4 x M6 x 18 mm threaded holes in the backplane; mounting arm adapter |
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Returns & Warranty

The BECKHOFF CP7703-0020-0050 is an industrial Panel PC engineered for mounting arm installation, combining a 19-inch high-resolution display with a compact, rear-mounted PC chassis. This design allows the unit to be mounted directly on support arms or machine frames, saving valuable space inside control cabinets while placing control and visualization directly at the operator station.
Constructed with a robust aluminum housing, the CP7703-0020-0050 provides high environmental protection. The system is fanless, using passive heat dissipation to ensure quiet, low-maintenance operation even in challenging industrial environments. Powered by an energy-efficient Intel Atom processor, this Panel PC delivers reliable processing and control performance for standard human-machine interface (HMI) applications and compact machine control tasks.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | CP7703-0020-0050 |
| Device Type | Panel PC (Control Panel with integrated PC backplane) |
| Display Size | 19 inches |
| Resolution | 1280 x 1024 pixels |
| Housing Material | Aluminum |
| Protection Rating | IP65 (fully enclosed) |
| Operating Temperature | 0 to 45 Celsius |
| Power Supply | 24 V DC |
| Ethernet Ports | 2 x 10/100/1000BASE-T (IP65) |
| Serial Interface | 1 x RS232 (DIN 12-pin IP65 on backplane) |
| Mounting Configuration | 4 x M6 x 18 mm threaded holes in the backplane; mounting arm adapter |
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
|