Glossary


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376) Labor Management Systems

Labor Management Systems optimize the deployment of labor resources by establishing realistic performance standards and matching those standards to planned activity for optimal scheduling.  Also used to monitor team and individual performance for pay and incentive purposes.

377) Masked out

The design of an inductive loop sensor so that certain objects are not detected.

378) Package detection

The use of sensors to identify the presence of an object typically to actuate another device for the process of identification, sorting, sizing, etc.

379) Positioning

The use of sensor arrays to detect the position of an object in the material handling system typically for the purpose of applying a bar code or other identifier to the object.

380) Push type limit switch

A lever type limit switch that uses the up and down motion of a button as the actuator to detect very small or subtle movement by an object.

381) Quality control

The use of sensors to detect the presence of an object's component part, fill level, or dimensional tolerance for the purposes of providing process quality control.

382) Rod arm

A lever type limit switch that uses a long slender rod that is fixed perpendicularly to a rotating pivot arm as an actuator.

383) Roller arm

A lever type limit switch that uses a wheel rotating around the end of a pivot arm as the actuator.

384) Second surface reflection

A problem for polarized retro-reflective sensors that is created by shiny objects wrapped in shiny material.  The wrapping material can depolarize the light as it passes through.

385) Shielded

An inductive proximity sensor configuration that allows for the sensor to be embedded in metal.  Shielded sensors contain a metal band that surrounds the ferrite core and allows the electromagnetic field to be concentrated to the front of the sensor face.

386) Sizing

The use of sensor arrays to detect the size of an object.  The number of sensors in continuous array that detect the object are a surrogate for object size.

387) Skew angle

The angle at which photoelectric sensors are sometimes mounted in retro-reflective applications so as to prevent the reflection of the object itself from triggering the sensor.

388) Synchronous detection

The use of an exact sequence of light pulses to activate the output on a photoelectric cell.

389) Target correction factor

Aspects of the target object such as sensing face size and shape that determine the actual sensing distance with respect to inductive proximity sensors.

390) Target of flight

A measurement principle used in electronic distance measuring sensors based on the length of time it takes for a light pulse to travel from transmission to reception back from the target.