16 DC Inputs (12/24vdc), 12 DC Outputs (5/12/24vdc, 0.5A neg. logic with ESCP).
SmartStack Digital Combo Modules.
All SmartStack I/O modules include spring-clamp style removable terminals except where noted.
Plastic SmartStack I/O can only be stacked directly on the back of products supporting plastic encased I/O modules. This includes the NX, QX351, Back Pack, Plastic FOX and RCX bases.