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.
Process monitoring and human-machine interface demands are met with industrial reliability by the Beckhoff CP2618-0000, a high-efficiency built-in Panel PC configured with a widescreen multi-finger touch interface. Designed for space-saving control cabinet integration, this unit combines an ARM Cortex-A8 (1 GHz) processor with a highly durable glass-front display to deliver a robust operator terminal for automated production lines. Operating on Windows Embedded Compact 7, the Panel PC is highly optimized to run TwinCAT 2 or TwinCAT 3 runtime engines, providing a cost-effective platform for compact PLC and motion control projects.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model Series | CP26xx Built-in Panel PC |
| Part Number / SKU | CP2618-0000 |
| Processor | ARM Cortex-A8, 1 GHz |
| System Memory | 1 GB DDR3 RAM |
| Storage | 1 slot for microSD (512 MB standard, expandable up to 16 GB) |
| Persistent Memory | 128 KB NOVRAM |
| Display Size & Type | 18.5-inch multi-touch (projected capacitive) |
| Display Resolution | 1366 x 768 pixels |
| Power Supply | 24 V DC |
| Operating System | Windows Embedded Compact 7 (English) |
| Protection Class | IP65 Front, IP20 Rear |
| Operating Temperature | 0 to 55 degC |
| Country of Origin | Germany |
| Shipping Weight (Calculated) | 5.0 kg |
| Package Dimensions (Calculated) | 550 x 380 x 150 mm |
| Interface Connection | Function / Assignment |
|---|---|
| Ethernet (1 x RJ45) | 10/100BASE-T on-board industrial LAN port |
| EtherCAT (1 x RJ45) | Dedicated on-board EtherCAT terminal controller interface |
| USB 2.0 (Rear) | 2 x USB 2.0 Type A ports for external peripherals |
| RS232 | 1 x D-sub 9-pin serial channel interface |
| Power Input | 3-pin male connector for 24 V DC power configuration |
The CP2618-0000 uses a 32-bit ARM RISC architecture running Windows Embedded Compact 7 (WEC7). Note that software applications compiled for x86/x64 environments will not run on this processor without re-compiling for ARM. For migration paths from legacy systems, verify that your TwinCAT library extensions have direct ARM-compatible runtimes before swapping physical panel configurations.
To prevent premature wear on the storage media, do not write continuous historical trend logs directly to the microSD card. Leverage the 128 KB NOVRAM persistent memory to store active cycle parameters, and route high-frequency diagnostics or historical logging over the network interface to a centralized database server.
When routing the dedicated EtherCAT cable to the CP2618 rear interface, use CAT5e shielded twisted pair cabling at minimum. Standard non-shielded patch cables risk inducing electromagnetic noise from high-frequency servo drives, leading to sync losses and control cycle timeouts. Ensure the mounting clamps are torqued down evenly to maintain the integrity of the front IP65 sealing gasket against the cutout cabinet plate.
CRITICAL WARNING:
Isolate and completely lock out the main power source before performing panel integration. Verify zero voltage presence at the supply cables before terminating the 24 V DC supply plug into the panel rear. Failure to follow industrial de-energization procedures risks equipment damage and electrical shock.
Prepare a cabinet cutout precisely matching the mechanical installation dimensions of the 18.5" CP2618 housing.
Check that the sealing gasket is correctly seated around the back lip of the front bezel, then insert the unit carefully into the cutout.
Secure the panel in place using the supplied tension brackets, ensuring uniform tension to maintain the IP65 ingress seal.
Connect a low-resistance chassis ground wire to the rear grounding bolt prior to connecting the main 24 V DC power connector.
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Returns & Warranty

Process monitoring and human-machine interface demands are met with industrial reliability by the Beckhoff CP2618-0000, a high-efficiency built-in Panel PC configured with a widescreen multi-finger touch interface. Designed for space-saving control cabinet integration, this unit combines an ARM Cortex-A8 (1 GHz) processor with a highly durable glass-front display to deliver a robust operator terminal for automated production lines. Operating on Windows Embedded Compact 7, the Panel PC is highly optimized to run TwinCAT 2 or TwinCAT 3 runtime engines, providing a cost-effective platform for compact PLC and motion control projects.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model Series | CP26xx Built-in Panel PC |
| Part Number / SKU | CP2618-0000 |
| Processor | ARM Cortex-A8, 1 GHz |
| System Memory | 1 GB DDR3 RAM |
| Storage | 1 slot for microSD (512 MB standard, expandable up to 16 GB) |
| Persistent Memory | 128 KB NOVRAM |
| Display Size & Type | 18.5-inch multi-touch (projected capacitive) |
| Display Resolution | 1366 x 768 pixels |
| Power Supply | 24 V DC |
| Operating System | Windows Embedded Compact 7 (English) |
| Protection Class | IP65 Front, IP20 Rear |
| Operating Temperature | 0 to 55 degC |
| Country of Origin | Germany |
| Shipping Weight (Calculated) | 5.0 kg |
| Package Dimensions (Calculated) | 550 x 380 x 150 mm |
| Interface Connection | Function / Assignment |
|---|---|
| Ethernet (1 x RJ45) | 10/100BASE-T on-board industrial LAN port |
| EtherCAT (1 x RJ45) | Dedicated on-board EtherCAT terminal controller interface |
| USB 2.0 (Rear) | 2 x USB 2.0 Type A ports for external peripherals |
| RS232 | 1 x D-sub 9-pin serial channel interface |
| Power Input | 3-pin male connector for 24 V DC power configuration |
The CP2618-0000 uses a 32-bit ARM RISC architecture running Windows Embedded Compact 7 (WEC7). Note that software applications compiled for x86/x64 environments will not run on this processor without re-compiling for ARM. For migration paths from legacy systems, verify that your TwinCAT library extensions have direct ARM-compatible runtimes before swapping physical panel configurations.
To prevent premature wear on the storage media, do not write continuous historical trend logs directly to the microSD card. Leverage the 128 KB NOVRAM persistent memory to store active cycle parameters, and route high-frequency diagnostics or historical logging over the network interface to a centralized database server.
When routing the dedicated EtherCAT cable to the CP2618 rear interface, use CAT5e shielded twisted pair cabling at minimum. Standard non-shielded patch cables risk inducing electromagnetic noise from high-frequency servo drives, leading to sync losses and control cycle timeouts. Ensure the mounting clamps are torqued down evenly to maintain the integrity of the front IP65 sealing gasket against the cutout cabinet plate.
CRITICAL WARNING:
Isolate and completely lock out the main power source before performing panel integration. Verify zero voltage presence at the supply cables before terminating the 24 V DC supply plug into the panel rear. Failure to follow industrial de-energization procedures risks equipment damage and electrical shock.
Prepare a cabinet cutout precisely matching the mechanical installation dimensions of the 18.5" CP2618 housing.
Check that the sealing gasket is correctly seated around the back lip of the front bezel, then insert the unit carefully into the cutout.
Secure the panel in place using the supplied tension brackets, ensuring uniform tension to maintain the IP65 ingress seal.
Connect a low-resistance chassis ground wire to the rear grounding bolt prior to connecting the main 24 V DC power connector.
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
|