网页Terminal Base, Flex I/O, Fused, 16 Point, 22 - 12 AWG, 10 Amp, 250 Volt AC/DC. A terminal base is used to land field I/O wiring and house a removable I/O module. Allen-Bradley® catalog item 1794-TBNF from Rockwell Automation® is a FLEX™ I/O terminal base. It has 16 I/O terminals, two common terminals, and two +voltage terminals.