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Manufacturing Execution Systems Overview

Manufacturing Execution Systems Module Overview

Manufacturing Execution Systems or MES is a new addition to oracle discrete manufacturing family in R12. MES enhances the basic WIP functionality with additional MES supervisor workbench and MES workstation feature.

MES Workstation:

  • Single interface for multiple job operations
  • Clock in and Clock out feature to capture time spent on work order
  • View the dispatch list
  • Report exceptions
  • Move and return of assemblies

MES Supervisor Workbench:

  • Department supervisor can get dashboard with current operations status
  • Monitor the operations progress
  • Identify bottleneck operations and assign alternate resources
  • Reschedule operations based on resource availability and criticality
  • Change the shop floor status
  • Allocate jobs to resources and expedite

Discrete Job Creation

Discrete Job or Work In Process (WIP) Job is a work order issued to shop floor to manufacture or assemble an item.

WIP Jobs can be created in 6 different ways

  • Manually enter/create.
  • Convert from a simulation.
  • Planned order release from Supply Chain Planning / MRP.
  • Planned order release from Advanced Supply Chain Planning.
  • Auto create from a Configure to Order (CTO) Sales Orders.
  • Using work order open interface

In this section you will learn how to create WIP jobs manually.

Navigate to Work In Process responsiblity -> Discrete -> Discrete Jobs.

wip discrete job creation

wip discrete job creation

1 ) Enter the WIP Job number manually or tab out to generate the Discrete WIP Job number automatically.
2 ) Select Discrete Job type.
3 ) Enter the assembly that needs to be manufactured.
4 ) Enter WIP Job class
5 ) WIP Job status – by default it will be in ‘created’ state, once you are ready to manufacture you can change the status to ‘Released’.
6 ) Enter the Start quantity i.e. total quantity that will be manufactured.
7 ) MRP net quantity – This is the quantity that MRP assumes available as supply. This should be less than or equal to start quantity (total quantity of discrete job).
8 ) Dates: Enter the start and completion dates. Completion date can be blank, it will be calculated based on lead time when wip job scheduled.
9 ) Navigate to ‘Bill’ tab – Select the specific item bom revision
10 )Navigate to ‘Routing’ tab – Select specific item routing revision, set the assembly completion subinventory & locator
11 )Navigate to ‘More’ tab to enter demand class, job description & overcompletion tolerance. Over completion tolerance let you produce more/less quantity than actual quantity planned.
12 ) Click on ‘Operations’ button to view the default operations from assembly routing. This information can be modified.
13 ) Click on ‘Components’ button to view the default components from assembly bom. This information can be modified.
14 ) Finally change the WIP job status to ‘Released’ to start the discrete job manufacturing.