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Delta Electronics Human Machine Interface DOP-A Series User Manual

Page 225

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Chapter 4 Macro Function|ScrEdit Software User Manual

4-4

Revision Apr. 30th, 2007, 2007PDD23000002

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Screen Cycle Macro

The user can use Screen Cycle Macro to cycle each screen. Each screen has a Screen Cycle Macro

and it can be executed repeatedly for a specified period of cycle time. The user can set the Macro

Cycle Delay Time, i.e. the delay time every time between the end and restart of Screen Cycle Macro in

Screen Properties dialog box (See Fig. 4.1.2). The system default setting is 100ms.

Fig. 4.1.2 Macro Cycle Delay Time Setting

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Initial Macro

There is only one initial Macro in a program. It is executed first at the beginning of a program. So, the

user can preset some necessary initial values in this macro to omit step-by-step settings and also

control initial settings to avoid unexpected problem by an unknown initial value. If the user needs to

setup any special setting in the PLC special address, the user can use initial macro to set it. It saves

time with a well-designed initial macro.

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Background Macro

There is only one background Macro in a program. It always exists in a program and is executed

continuously like background during HMI operation. But the execution of a Background Macro is to

execute one or more commands at a time, not finish the execution ONCE. After the last macro

Execute Screen Cycle Macro

Delay 100ms

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