X20BB67
The B & R Automation X20BB67 module is a compact and robust bus base designed for inclusion in the X20 Fieldbus Input Output Modules series, providing essential backplane connectivity for Compact-S PLCs and X20 interface modules. This industrial bus base integrates dual communication channels with interfaces: 1× RS232, 1× CAN bus for versatile data exchange in factory automation environments. Manufactured by B & R Automation, the X20BB67 supports a nominal voltage of 24 VDC and delivers reliable power distribution with a permitted contact load of 10 A, ensuring stable operation under heavy digital and mixed I/O demands. With a bus power consumption rated at 0.94 W, the unit minimizes energy draw while maintaining continuous performance.
Detailed technical specifications underscore the X20BB67’s industrial-grade credentials. It features a protection (EN 60529) rating of IP20, safeguarding internal circuitry against solid debris and contact while operating in controlled environments. The module accommodates a wide installation altitude of 0–2000 m (no limitations) and specifies an ambient temperature correction of reduce ambient temp 0.5°C per 100 m above 2000 m to maintain thermal stability. Mounting versatility is assured via both horizontal, vertical orientations on a standard DIN rail, with defined operating temperature ranges of -25°C to 60°C (horizontal) and -25°C to 50°C (vertical). Note that the X20BB67 does not include dedicated electrical isolation between the bus and I/O power circuits.
Operational features focus on performance consistency across diverse industrial applications. The X20BB67’s bus base architecture offers low-latency signal routing for time-critical PLC functions, while its endurance is validated through continuous operation at rated voltage and current parameters. Thermal management is inherent to the design, leveraging ambient airflow and compact heat sink pathways to dissipate the modest 0.94 W bus losses. Rapid installation is facilitated by a snap-in DIN rail interface and integrated labeling for each terminal point. Performance stability is maintained within the specified ambient temperature windows and under the full permitted contact load of 10 A, ensuring predictable behavior of downstream I/O modules.
System integration is seamless when paired with other modules in the X20 Fieldbus Input Output Modules series and Compact-S controllers, enabling scalable expansion of digital mixed and analog mixed I/O networks. The combination of RS232 and CAN bus communication protocols allows direct interfacing with a variety of field devices, motion controllers, and HMI systems. The X20BB67 is targeted at industrial automation applications such as packaging machinery, material handling systems, and process control lines where reliable bus infrastructure and flexible mounting are paramount.
