Many manufacturers of automated inspection equipment use x-y positioning devices that move the parts to be inspected through a camera's field of view. Other robotic-system manufacturers provide camera subsystems on an x-y positioning gantry that can move and image stationary parts. Designers of such systems must integrate these positioning systems with PC-based motion-control systems so that the system can be directed by PC-based software. This month's column takes a look at some available PCI-based motion-control boards.