Rockwell Automation FactoryTalk View Site Edition Users Guide - Manual (Page 24)

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F ACTORY T ALK V IEW S ITE E DITION U SER ’ S G UIDE
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Working with trends at run time .............................................................................23– 23
Collecting data in the background at run time.................................................23– 23
Selecting pens at run time................................................................................23– 25
Modifying trend properties at run time............................................................23– 25
Scrolling the trend chart at run time ................................................................23– 26
Showing the value of pens at various positions...............................................23– 27
Displaying the difference in pen values for two points ...................................23– 28
Zooming the trend chart ..................................................................................23– 29
Panning the trend chart ....................................................................................23– 29
Using the arrow keys .......................................................................................23– 30
Printing the trend chart ....................................................................................23– 30
Using overlays at run time...............................................................................23– 30
Fixing run-time errors......................................................................................23– 31
24• Adding logic and control............................................................... 24–1
About logic and control.............................................................................................24– 1
Creating and using derived tags ................................................................................24– 1
Parts of the Derived Tags editor ........................................................................24– 1
How to use derived tags.....................................................................................24– 3
Creating a derived tags component ...................................................................24– 3
Starting and stopping derived tags processing ..................................................24– 5
Setting up FactoryTalk View SE events ...................................................................24– 7
Parts of the Events editor...................................................................................24– 7
Creating an events component...........................................................................24– 9
Starting and stopping events processing..........................................................24– 10
Creating and using macros ......................................................................................24– 12
Macro syntax ...................................................................................................24– 12
Specifying parameters in a macro ...................................................................24– 14
Typing macro names that contain spaces ........................................................24– 14
Nesting macros ................................................................................................24– 15
Running macros ...............................................................................................24– 15
Specifying user login and logout macros ........................................................24– 16
Creating client keys.................................................................................................24– 16
Running client key components ......................................................................24– 17
A • FactoryTalk View commands..........................................................A–1
Using commands in a FactoryTalk View SE application .......................................... A– 1
How to use commands........................................................................................ A– 1
Using tag placeholders in commands ................................................................. A– 2
Where commands run ......................................................................................... A– 3