Delta-electronics DELTA DUP-B Manual do Utilizador descarregar pdf (Página 309)

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101

Chapter 3 Creating and Editing Screens

$0 = 10

$1 = 1

CALL 1($0 = 0)

Fig. 3-14-9 Execution process of Screen Open Macro

When CALL 1 is executed, it means that Sub-Macro 1 is called and executed. After

executing Sub-Macro, the system will continue to execute Sceen Open Macro till it ends.

At this time, 0 = 0 and $1 = 1.

NOTE

When editing any macros, please pay close attention to the logicality of macro command,

especially the usage of loop and program. If the user write an infinite loop (i.e. pro

ram cannot

be ended) in the macro or write a program which will not be executed until some certain

condition is satisfied, it may make HMI work abnormally. Therefore, it is recommended that the

user should use simulation function to verify the macro and check if HMI operation is correct or

not after macro editing is completed.

3-288 Revision May, 2010

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