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 C9900-H372 is an industrial-grade USB flash drive featuring an 8 GB storage capacity and a high-speed USB 3.0 interface. Engineered specifically for industrial environments, this robust storage medium is optimized for use with BECKHOFF Industrial PCs (IPCs) and Embedded PCs. It serves as a reliable solution for backup operations, system recovery, firmware updates, and local project data transfers.
Unlike standard consumer-grade media, the BECKHOFF C9900-H372 is constructed with high-quality flash memory components designed to withstand the operational demands of control cabinets and manufacturing floors. Its compatibility with various industrial operating systems and TwinCAT automation software makes it a standard utility tool for maintenance engineers and system integrators working with BECKHOFF control systems.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF Automation |
| Model Number | C9900-H372 |
| Product Type | Industrial USB Flash Drive |
| Storage Capacity | 8 GB |
| Interface | USB 3.0 (backward compatible with USB 2.0) |
| Application Compatibility | BECKHOFF Industrial PCs, Panel PCs, and CX-series Embedded PCs |
Global Express Shipping
Returns & Warranty

The BECKHOFF C9900-H372 is an industrial-grade USB flash drive featuring an 8 GB storage capacity and a high-speed USB 3.0 interface. Engineered specifically for industrial environments, this robust storage medium is optimized for use with BECKHOFF Industrial PCs (IPCs) and Embedded PCs. It serves as a reliable solution for backup operations, system recovery, firmware updates, and local project data transfers.
Unlike standard consumer-grade media, the BECKHOFF C9900-H372 is constructed with high-quality flash memory components designed to withstand the operational demands of control cabinets and manufacturing floors. Its compatibility with various industrial operating systems and TwinCAT automation software makes it a standard utility tool for maintenance engineers and system integrators working with BECKHOFF control systems.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF Automation |
| Model Number | C9900-H372 |
| Product Type | Industrial USB Flash Drive |
| Storage Capacity | 8 GB |
| Interface | USB 3.0 (backward compatible with USB 2.0) |
| Application Compatibility | BECKHOFF Industrial PCs, Panel PCs, and CX-series Embedded PCs |
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
|