Manual MW-XF - Omni Instruments

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MW User’s ManualExemys7 DatabaseThe MW can connect to MySQL or Microsoft SQL databases. After connecting it creates aschema and a database with the configured name. Inside that database the MW will create 3tables. Using this tables we can know the GRDs’ inputs and outputs reported values, to readhistorical data and to command the GRD’s outputs.You must configure the GRD when to send an IO report or when to create a historical record.For more information see the GRD manual.When the connection parameters with the database are loaded and the MW starts, the schemaand tables are created automatically.The tables with the different fields are detailed and a separate appendix shows some queries toaccess them.7.1 Reports TableThe last values reported by the GRD are stored in the reports table, as well as its status.When a new GRD is created, this is automatically added to the reports table and from thatmoment on its status can be known through this means. To know the desired values theappropriate queries must be made. For each GRD there is an entry in the table and this entrykeeps updating with the reports from that GRD.Field Description Condition Possible valuesgrd_id GRD Id number - 1 to 4000stateIndicates status of connection Connected 1Disconnected 0i0 a i15Status of digital inputsON 1OFF 0o0 a o15 Status of digital outputsON 1OFF 0an0 to an7 Value of analog inputsGRD3002 0 to 1000GRD3003 0 to 2000date DATE of last report - Ex: 2008-12-30 17:44:50reports table7.2 Historical records tableAll historical reported by all GRDs are stored in the historical table. There are different types ofhistorical register, for example, by digital inputs, by digital outputs, by analog inputs and withinthese last ones by time or by change.For more details about the types of historical data that can be reported please see the GRDmanual where each one is explained in detail and how to configure them.www.exemys.com Rev 2.1.0 - Junio 2009 40
MW User’s ManualExemysThe table containing this information has the following format.Field Description Condition Possible valueshistorical_id Number of history -grd_id GRD_ID number - 1 to 4000register_typeType of record enteredIn digital inputs 8In digital outputs 9In analog inputs 11timestamp Date of history - Ex: 2008-12-30 17:44:50addressvalueNumber of inputs oroutputsInput/Output valueIn digital inputs 1 to 16In digital outputs 1 to 16In analog inputs 1 to 8In digital inputs 0 or 1In digital outputs 0 or 1historical_typehistorical tableHistorical record typeIn analog inputs ofGRD3002In analog inputs ofGRD3003digital inputsdigital outputsTemporary report ofanalog inputsAnalog input below theminimumAnalog input betweenminimum andmaximumAnalog input overmaximum0 to 10000 to 2000NULLNULL12347.3 Commands TableThe commands table is used to act on the digital outputs of the GRD. By writing the parameterson the database it is possible to activate or deactivate any of the equipment outputs.The MW is continuously checking if an order has been written, in case it has, it takes it from thedatabase and acts. If the entered data have errors, the parameters will be eliminated from thedatabase without taking any action.Field Description Possible valuesgrd_id GRD_ID number 1 to 4000output_number Output number that wants to be modified 1 to 16stateStatus it should take0 (OFF)1 (ON)date Current date Ex: 2008-12-30 17:44:50commands tablewww.exemys.com Rev 2.1.0 - Junio 2009 41
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Manual MW-XF - Omni Instruments

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