A microprocessor-based industrial control system. It communicates with other process control components through data links. It is used in process control for simple switching tasks, PID control, complex data manipulation, arithmetic operations, timing and process and machine control.
Special-purpose computer which controls most of a roller coaster's functions.
A device using programmed, custom instructions to provide automated monitoring and control functions by evaluating a set of inputs. Used to automate complex functions in machining, packaging, materials handling or other applications.