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Chapter 4 Macro Function|ScrEdit Software User Manual
Revision Apr. 30th, 2007, 2007PDD23000002 4-5
command is executed, system will start to execute this macro again from the first macro command.
Since this macro works like this, if there is other executed Macro, such as cycle macro, it will not have
any influences.
For example, suppose that there are 25 element addresses on the screen and Background is used
(three lines of macro commands), when background macro is executed, HMI will first read 25 element
addresses and then execute one line of background macro in order.
Clock Macro
There is only an initial Macro in a program or a machine. Similar to Screen Cycle Macro, it can be
executed repeatedly for a specified period of preset clock time. The user can set Clock Macro Delay
Time, i.e. the delay time every time between the end and the restart of Clock Macro in Standard tab of
Configuration dialog box (See Fig. 4.1.3). The system default setting is 100ms.
Read 25 element addresses
Execute first line command of Background Macro
Read 25 element addresses
Execute second line command of Background Macro
Read 25 element addresses
Execute third line command of Background Macro
Execute Clock Macro
Delay 100ms