The Material Flow System (MFS) enables you to connect up an automatic warehouse to Extended Warehouse Management (EWM) without the need for an additional warehouse control unit.
You can set up the MFS in such a way that warehouse tasks (from an identification point to a storage bin in an automatic high-rack storage area, for instance) are subdivided into smaller tasks. These are passed on step by step to the programmable logic controller (PLC) responsible in each case via telegram communication. The putaway and removal from storage of handling units (HUs) can thus take place without the use of another software system.
You can define capacity limits for communication points, conveyor segments, or resources. The EWM system then holds back tasks for the PLC as soon as these limits are exceeded. The same applies if the PLC reports that one of the individual elements of conveyance (vehicles, legs, communication points) are subject to malfunction.
A warehouse management monitor that is supplied as part of this package enables you to track, evaluate, and influence the process.
http://help.sap.com/saphelp_ewm2007/helpdata/en/43/3b3518886e1806e10000000a1553f6/content.htm
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