The Bailey 6637087D1 NCIS02 network 90 control I/O slave module card 15VDC 2.4VA is a control/interface board from Bailey. It processes and routes digital or analog signals between a controller and connected field devices, forming part of an industrial control or automation system. Key specifications noted on this listing include 15VDC. It is commonly used in manufacturing equipment, CNC machinery, and automated production lines.
