Rockwell-automation FactoryTalk View Site Edition Users Guide Bedienungsanleitung PDF herunterladen (Seite 22)

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ACTORYTALK VIEW SITE EDITION USER’S GUIDE

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21• Creating embedded variables....................................................... 21–1

About embedded variables........................................................................................21– 1

Inserting embedded variables....................................................................................21– 2

Creating numeric embedded variables......................................................................21– 3

Creating string embedded variables..........................................................................21– 5

Creating time and date embedded variables..............................................................21– 7

How embedded variables are shown at run time ......................................................21– 8

Numeric embedded variables ............................................................................21– 9

String embedded variables.................................................................................21– 9

Time and date embedded variables ...................................................................21– 9

How embedded variables are updated at run time ..................................................21– 10

22• Setting up data logging ................................................................. 22–1

About data logging....................................................................................................22– 1

Gathering tag data in data log models ...............................................................22– 1

Data log storage formats ...........................................................................................22– 2

ODBC database storage format and schemas..................................................22– 3

Creating data log models...........................................................................................22– 5

Specifying the storage format............................................................................22– 6

Setting up log paths ...........................................................................................22– 7

Setting up and managing data log files..............................................................22– 8

Specifying when to log data ..............................................................................22– 8

Choosing the data to be logged..........................................................................22– 9

Logging data to

ODBC data sources.......................................................................22– 9

Logging data to an existing

ODBC data source ..............................................22– 9

Creating a new

ODBC data source................................................................22– 10

Setting up security to log data to a remote computer ......................................22– 10

Creating new files at run time .................................................................................22– 10

Using the DataLogNewFile command ............................................................22– 10

Switching log paths at run time...............................................................................22– 11

Setting up switching options............................................................................22– 11

Switching back manually to the primary path.................................................22– 12

Moving data from the secondary path .............................................................22– 13

Logging on demand.................................................................................................22– 13

Using the DataLogSnapshot command ...........................................................22– 14

Combining logging..........................................................................................22– 14

Modifying existing data log models........................................................................22– 15

Changing log paths ..........................................................................................22– 15

Making run-time changes without modifying the model ................................22– 15

Starting and stopping data logging..........................................................................22– 16

Ways to start data logging ...............................................................................22– 16

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