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 for demanding industrial environments, the Beckhoff C9900-H390 is a ruggedized 32 GB USB 3.0 flash drive engineered for reliable data backup, system recovery, and software installation on industrial PCs (IPCs) and control panels. Utilizing industrial-grade memory management, this storage medium ensures high data retention and transmission stability under conditions where standard consumer-grade USB drives typically fail.
This flash drive supports high-speed data transfer rates, making it highly efficient for transferring large TwinCAT projects, machine configurations, and operating system images. Its robust housing is optimized to fit standard industrial USB ports, providing physical durability and long-term deployment compatibility.
| Manufacturer | Beckhoff |
| Part Number/Model | C9900-H390 |
| Storage Capacity | 32 GB |
| Interface Type | USB 3.0 (SuperSpeed) |
| Backward Compatibility | USB 2.0 compliant |
| Shipping Weight | 2.0 kg (including protective bulk packaging) |
To ensure system integrity and prevent data corruption, adhere to the following operational guidelines:
Global Express Shipping
Returns & Warranty

Designed for demanding industrial environments, the Beckhoff C9900-H390 is a ruggedized 32 GB USB 3.0 flash drive engineered for reliable data backup, system recovery, and software installation on industrial PCs (IPCs) and control panels. Utilizing industrial-grade memory management, this storage medium ensures high data retention and transmission stability under conditions where standard consumer-grade USB drives typically fail.
This flash drive supports high-speed data transfer rates, making it highly efficient for transferring large TwinCAT projects, machine configurations, and operating system images. Its robust housing is optimized to fit standard industrial USB ports, providing physical durability and long-term deployment compatibility.
| Manufacturer | Beckhoff |
| Part Number/Model | C9900-H390 |
| Storage Capacity | 32 GB |
| Interface Type | USB 3.0 (SuperSpeed) |
| Backward Compatibility | USB 2.0 compliant |
| Shipping Weight | 2.0 kg (including protective bulk packaging) |
To ensure system integrity and prevent data corruption, adhere to the following operational guidelines:
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
|