I/O Module, Flex I/O, 32 Point Digital, Current Sourcing, Protected Output, 14 Amp, 24 Volt DC. Bulletin 1794 FLEX™ I/O modules offer flexibility for your application with digital, analog, HART analog, and specialty I/O, with 4…32 points per module. You can mix and match digital and analog I/O with mounting and wiring options.