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MES Interface Module3 Bi-directional data transfer supports recipe handling, work instructions, etc.SQL Jobs can be pre-registered in the MES interface module and then initiated from the information system. Also, theMES interface module can receive directions and download production information from the information system.MES interface module(QJ71MES96)Production directionsSELECTMESDatabase serverProduction conditionsWorking logsDBUPDATEINSERT4 Trigger buffering and DB buffering functions ensure reliable information delivery• Buffering of high frequency data transmission triggers (Trigger buffering function)When transmission requests exceed the system or network bandwidth, the MES interface module buffers the data andtrigger time to internal memory. Stacked data are processed and resent sequentially once loads are reduced.When loads are concentratedJob 1-1)Trigger conditionsmetJob 1-2)Trigger conditionsmetJob 3-3)Trigger conditionsmetTimeTrigger bufferJob 1-2) Trigger information (Tag data, time)Job 3-3) Trigger information (Tag data, time)*Job: Unit for accessing a database*Trigger condition: Startup conditions for job operationJob 1-1)ActionexecutionAfter loads have been reducedTimeSendingdataDatabaseExecutes action of job 1-1), and storestrigger information of Job 1-2) and 3-3)in the trigger buffer.When loads are reducedTrigger bufferJob 1-2)ActionexecutionSendingdataDatabaseTime•The numbers 1) to 3) show the order in which trigger conditions of respective jobs are met.Job 3-3)Actionexecution• Buffering of SQL data when network or IT system shutdown occurs (DB buffering function)When disconnect of the host system occurs, unsent SQL data are stored in a CompactFlash card. The buffered SQL datawill be transmitted automatically upon reconnection to the host system. (Manual operation is also possible.)CommunicationdisconnectedTimeAfter completing the action of job 1-1),executes actions of Job 1-2) and 3-3)in this order based on the triggerbuffer information.CommunicationrecoveredDatabaseDatabaseStoring data temporarilyResending dataReading dataINSERT···INSERT···UPDATE···CompactFlash cardINSERT···INSERT···INSERT···UPDATE···CompactFlash card2