The Allen-Bradley 1797-BCNR ControlNet redundant barrier module is a versatile component of the Flex Ex I/O series, offering advanced diagnostic capabilities for real-time status updates that streamline troubleshooting. It features an onboard ControlNet communication port with speeds up to 5 Mbps and operates on a 7 Volt power source, eliminating the need for extensive cabling. This module is designed for hazardous environments, allowing hot-swapping without interrupting system operation, and meets Class I, II, and III / Division 1, Zone 1 and 22 regulations. Its built-in galvanic isolation removes the necessity for additional IS barriers, and it can be configured for diverse applications while functioning in temperatures ranging from -20 to 70 degrees Celsius. Weighing just 200 grams, it benefits from FLEX Ex conformal coating to protect against corrosion and operates efficiently in high humidity conditions.