Input/output module – IOA REL 24V DO/BFI/3.0A/EX – 2910153; VIP field termination assemblies (FTA) with input/output accessories (IOA) provide universal channel configuration for applications seeking to evolve from a traditional fixed I/O approach. Digital relay output, fused with blown fuse indication, selectable NO or NC contact, 24 V DC, 3 A rating.