/community-hubs/deltav-community-connect/b/delta-vweblog/posts/abb-fex300-fex500-rev1-fieldbus-device-filesIn Emerson’s continuing commitment to open and interoperable standards, the ABB FEX300 / FEX500 Rev1 has passed the rigorous and comprehensive testing of the DeltaV Stress Test labs. Using the Device Installation Kits for Emerson Products website at httpen-USTelligent Community 13