B&R Automation X67BC81RT.L12 Rev. B5 BUS CONTROLLER MODULEB&R Automation X67BC81RT. L12 Rev. B5 Bus Controller Module The B&R X67BC81RT. L12 Rev. B5 is a rugged, decentralized bus controller module designed for real time communication within distributed automation architectures. Part of the X67 series, it features a fully sealed IP67 enclosure, enabling direct machine mounted installation without the need for control cabinets. It provides deterministic network communication, integrated processing capability,