The Allen-Bradley 1797-BIC is a FLEX Ex Bus Isolator Module from Rockwell Automation, designed to provide galvanic isolation between standard FLEX I/O and FLEX Ex intrinsically safe I/O modules. This isolator enables seamless communication within the same I/O group while maintaining intrinsic safety compliance. The 1797-BIC supports the connection of up to eight (8) FLEX Ex I/O modules, allowing scalable system expansion in hazardous area installations. It is DIN rail–mounted and operates with an external supply voltage range of 18 to 32V DC. Engineered for reliability and safety, the 1797-BIC ensures secure data and power transmission between safe and hazardous zones in industrial automation systems.