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 IP1002-B400 is an industrial-grade, 8-channel digital input module designed for direct integration within Interbus fieldbus networks. This ruggedized extension module facilitates the high-speed acquisition of binary control signals from sensors and other discrete field devices, transmitting them reliably to the supervisory automation system. Engineered to withstand harsh manufacturing conditions, the device operates without an additional protective control cabinet, optimizing space and reducing wiring overhead across localized machine installations.
Equipped with industry-standard M12 connection interfaces, the IP1002-B400 ensures secure, vibration-resistant electrical connections. The integration of a 3 ms input filter prevents signal chatter and optimizes high-speed processing, making this Fieldbus Box a robust component for decentralized modern industrial automation systems.
| Manufacturer | BECKHOFF |
| Model / Part Number | IP1002-B400 |
| Product Series | Fieldbus Box Extension Module |
| Fieldbus Interface | Interbus |
| Number of Inputs | 8 digital inputs |
| Nominal Input Voltage | 24 V DC |
| Input Filter Time | 3 ms |
| Connection Method | M12 screw-type connectors |
| Estimated Shipping Weight | 2.0 kg |
For correct operational performance and to preserve the protective rating, install the device according to these engineering practices:
Global Express Shipping
Returns & Warranty

The Beckhoff IP1002-B400 is an industrial-grade, 8-channel digital input module designed for direct integration within Interbus fieldbus networks. This ruggedized extension module facilitates the high-speed acquisition of binary control signals from sensors and other discrete field devices, transmitting them reliably to the supervisory automation system. Engineered to withstand harsh manufacturing conditions, the device operates without an additional protective control cabinet, optimizing space and reducing wiring overhead across localized machine installations.
Equipped with industry-standard M12 connection interfaces, the IP1002-B400 ensures secure, vibration-resistant electrical connections. The integration of a 3 ms input filter prevents signal chatter and optimizes high-speed processing, making this Fieldbus Box a robust component for decentralized modern industrial automation systems.
| Manufacturer | BECKHOFF |
| Model / Part Number | IP1002-B400 |
| Product Series | Fieldbus Box Extension Module |
| Fieldbus Interface | Interbus |
| Number of Inputs | 8 digital inputs |
| Nominal Input Voltage | 24 V DC |
| Input Filter Time | 3 ms |
| Connection Method | M12 screw-type connectors |
| Estimated Shipping Weight | 2.0 kg |
For correct operational performance and to preserve the protective rating, install the device according to these engineering practices:
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
|