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Glossary Of Terms Wiki
The following is an ever growing collection of material handling and logistics industry definitions and terms. We encourage everyone to participate in the creation of this list.
Click here if you would like to contribute.
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Data Entry Field
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A field to enter numbers, names, codes, or any other kind of data into a computer.
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Source: HK Systems' Company Glossary of Terms
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Dead-Reckoned
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A turn that is under the complete control of the on-board microprocessor system, based on position and speed data provided by encoders and tachometers on each of the AGVs drive motors.
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Source: HK Systems' Company Glossary of Terms
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Decline Conveyor
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A conveyor transporting down a slope.
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Source: HK Systems Company Glossary of Terms
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Deferred putaway
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If the receiving operator does not create a putaway task during receiving, an operator must use the deferred putaway option on the RF terminal to create a putaway task and put away the received product.
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Source: HK EMS Glossary
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Deflection Allowance
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1) Load deflection - the provision for sag of load below the top of any load
supports. 2) Shuttle deflection -- the distance the shuttle is deflected at its fullest reach with rated load on the shuttle.
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Source: HK Systems' Company Glossary of Terms
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Degree of Incline
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Angle of slope (in degrees that a conveyor is installed.
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Source: HK Systems Company Glossary of Terms
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Deliver
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1) As pertains to an SRM, the action that results in a load being removed from a storage location to a pick-up and delivery position via a Storage/Retrieval machine. 2) As pertains to an AGV, the action of a loaded AGV being directed to a specific delivery position and depositing the load onto the position.
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Source: HK Systems' Company Glossary of Terms
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Demand Replenishment
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When there are not enough products in a picking location to fill a shipment order, Enterprise/EMS creates a demand replenishment task that moves sufficient inventory from other locations into the pick location. This appears as a system-suggested Move task on the RF.
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Source: HK EMS Glossary
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Deposit
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When a product is put away, the View TransactionsâInventory screen registers a deposit into the system.
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Source: HK EMS Glossary
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Deposit
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The action of a device (machine) placing a load onto another device or into a storage location.
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Source: HK Systems' Company Glossary of Terms
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Detailed System Requirements Specification
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Abbreviated as DSRS. Document describing all the project requirements and specifications for design and construction of the system.
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Source: HK Systems' Company Glossary of Terms
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Diagnostic
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A message and associated help text which are made available to the operator upon occurrence of an event.
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Source: HK EMS Glossary
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Dialog
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A software application program (screen) that interacts with a user to perform a control system task (reporting, editing, picking, etc.) An exchange between a user and the computer of information.
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Source: HK EMS Glossary
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Dialog
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Computer dialog used by an operator to communicate a request or to confirm a transaction on the computer system.
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Source: HK Systems' Company Glossary of Terms
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Dial-Up
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A method for connecting to a system remotely using a phone line. This requires special software for the acquiring computer and an active data line connected to the system.
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Source: Deborah Rice, HK Systems
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Differential Curve
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A curved section of roller conveyor having a conveying surface of two or more concentric rows of rollers. Also referred to as a Split Roller Design.
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Source: HK Systems Company Glossary of Terms
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Discharge End
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Location at which objects are removed from the conveyor.
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Source: HK Systems Company Glossary of Terms
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Discrete
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The sensors, switches, and other mechanical/electrical devices that initiate an input/output signal to the various controllers and computers.
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Source: HK Systems' Company Glossary of Terms
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Display Only Field
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A field on a screen whose only purpose is to display information.
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Source: HK Systems' Company Glossary of Terms
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Diverging
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A section of roller or wheel conveying which makes a connection for diverting articles from a main line to a branch.
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Source: HK Systems Company Glossary of Terms
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Double Deep
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1) An AS/RS where each aisle has two contiguous rack rows in the crossaisle direction. 2) The deepest of the two locations in a double- deep rack. See also Single Deep.
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Source: HK Systems' Company Glossary of Terms
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Down-aisle
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Abbreviated as DA. A directional term meaning parallel to the aisle length in an AS/RS.
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Source: HK Systems' Company Glossary of Terms
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Down-aisle-tie
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Horizontal AS/RS rack member located between tiers used to connect the vertical rack columns.
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Source: HK Systems' Company Glossary of Terms
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Download
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Electronic transfer of data from a host computer system to a requesting computer system.
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Source: HK Systems' Company Glossary of Terms
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Downtime
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The length of time a component and/or system is not performing its dedicated task.
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Source: HK Systems' Company Glossary of Terms
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Drive
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An assembly of the necessary structural, mechanical and electrical parts which provide the motive power for a conveyor. Usually consisting of motor/reducer, chain, sprockets, guards, mounting base and hardware.
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Source: HK Systems Company Glossary of Terms
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Drive Pulley
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A pulley mounted on the drive shaft that transmits power to the belt with which it is in contact. Pulley is normally positive crowned and lagged.
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Source: HK Systems Company Glossary of Terms
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DSRS
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See "Detailed System Requirements Specification."
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Source: HK Systems' Company Glossary of Terms
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Dual Command Cycle
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Sequence of motions in which an SRM picks up a load at a P&D Station,
stores the load in a storage location, and retrieves a different load from a storage location to a P&D station. The Material Handling Institute (MHI) also has specific dual cycle definitions.
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Source: HK Systems' Company Glossary of Terms
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Dual Cycle
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Storage of one load and retrieval of another load in one pass through a rack area by a single SRM.
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Source: HK Systems' Company Glossary of Terms
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Dutchman
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A short section of belt, provided with lacing, in a conveyor belt which can be removed when take-up provision has been exceeded.
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Source: HK Systems Company Glossary of Terms
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