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.
Integrating decentralized execution with flexible communication capabilities, the BECKHOFF BX8000 functions as a high-performance programmable logical controller designed for the Beckhoff Bus Terminal system. This compact controller bridges standard serial communication interfaces (RS232 and RS485) with industrial I/O signals, enabling modular control topologies in complex plant installations. Engineered with 256 kbytes of program memory and 256 kbytes of data memory, it provides robust capabilities for execution tasks configured via the TwinCAT software suite in compliance with the IEC 61131-3 standard.
The unit features a built-in illuminated FSTN character display alongside an integrated navigation joystick, allowing operators to execute diagnostic functions, configure network parameters, and read localized status messages directly at the device. Connectivity is further enhanced by an integrated CANopen-based Smart System Bus (SSB) designed to link additional peripheral modules or subsidiary controller units.
| Manufacturer | BECKHOFF |
| Part Number / Model | BX8000 |
| Programming System | TwinCAT (via programming interface or fieldbus) |
| Program Memory | 256 kbytes |
| Data Memory | 256 kbytes |
| Remanent Data | 2 kbytes |
| Persistent Data | 1 kbyte |
| Programming Languages | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Serial Interfaces | COM1: 1 x RS232; COM2: 1 x RS232 or RS485 |
| Data Transfer Rates | 300 baud to 115 kbaud |
| Subsidiary Bus (SSB) | CANopen-based expansion bus |
| Local I/O Capacity | 64 Bus Terminals (up to 255 with K-bus extension) |
| Power Supply | 24 V DC (-15% / +20%) |
| Input Current | 140 mA + (total K-bus current)/4, max 500 mA |
| K-bus Current Supply | 1450 mA |
| Electrical Isolation | 500 V (power contact / supply voltage) |
| Display | FSTN illuminated, 2 lines x 16 characters |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -40 to +85 degC |
| Relative Humidity | 95 %, non-condensing |
| Protection Rating | IP20 |
| Dimensions (W x H x D) | 61 mm x 100 mm x 90 mm |
| Weight | approx. 250 g |
| COM1 | Dedicated RS232 connection for configuration and diagnostics |
| COM2 | Selectable RS232 or RS485 serial communication port |
| SSB | CANopen-based interface for external peripheral extension |
| K-bus Power Contacts | Internal connection delivering up to 1450 mA to adjacent I/O cards |
Global Express Shipping
Returns & Warranty

Integrating decentralized execution with flexible communication capabilities, the BECKHOFF BX8000 functions as a high-performance programmable logical controller designed for the Beckhoff Bus Terminal system. This compact controller bridges standard serial communication interfaces (RS232 and RS485) with industrial I/O signals, enabling modular control topologies in complex plant installations. Engineered with 256 kbytes of program memory and 256 kbytes of data memory, it provides robust capabilities for execution tasks configured via the TwinCAT software suite in compliance with the IEC 61131-3 standard.
The unit features a built-in illuminated FSTN character display alongside an integrated navigation joystick, allowing operators to execute diagnostic functions, configure network parameters, and read localized status messages directly at the device. Connectivity is further enhanced by an integrated CANopen-based Smart System Bus (SSB) designed to link additional peripheral modules or subsidiary controller units.
| Manufacturer | BECKHOFF |
| Part Number / Model | BX8000 |
| Programming System | TwinCAT (via programming interface or fieldbus) |
| Program Memory | 256 kbytes |
| Data Memory | 256 kbytes |
| Remanent Data | 2 kbytes |
| Persistent Data | 1 kbyte |
| Programming Languages | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Serial Interfaces | COM1: 1 x RS232; COM2: 1 x RS232 or RS485 |
| Data Transfer Rates | 300 baud to 115 kbaud |
| Subsidiary Bus (SSB) | CANopen-based expansion bus |
| Local I/O Capacity | 64 Bus Terminals (up to 255 with K-bus extension) |
| Power Supply | 24 V DC (-15% / +20%) |
| Input Current | 140 mA + (total K-bus current)/4, max 500 mA |
| K-bus Current Supply | 1450 mA |
| Electrical Isolation | 500 V (power contact / supply voltage) |
| Display | FSTN illuminated, 2 lines x 16 characters |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -40 to +85 degC |
| Relative Humidity | 95 %, non-condensing |
| Protection Rating | IP20 |
| Dimensions (W x H x D) | 61 mm x 100 mm x 90 mm |
| Weight | approx. 250 g |
| COM1 | Dedicated RS232 connection for configuration and diagnostics |
| COM2 | Selectable RS232 or RS485 serial communication port |
| SSB | CANopen-based interface for external peripheral extension |
| K-bus Power Contacts | Internal connection delivering up to 1450 mA to adjacent I/O cards |
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
|