meal, repast(noun) the food served and eaten at one time. meal(noun) any of the occasions for eating food that occur by custom or habit at more or less fixed times. meal(noun) coarsely ground foodstuff; especially seeds of various cereal grasses or pulse.
Encoders turn mechanical motion into an electrical signal that is used by the control system to monitor specific parameters of the application and make adjustments if necessary to maintain the machine operating as desired.
Incremental Encoder-device that provides a train of pulses due in response to mechanical motion. The output of this encoder is in form of a squarewave. Index-a separate output channel which provides a single pulse per shaft revolution. It can be used to establish a reference or marker for a starting position.