Difference between revisions of "%chg"
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| − | The '''% | + | The '''%chg''' macro is used in the [[Event Handler]] will rurn one value when an event goes ON, and another value when the event goes OFF. <br> |
From AMC 11.02 also alphanumeric labeling can be used. Alphanumeric labeling will be cleared after reset. | From AMC 11.02 also alphanumeric labeling can be used. Alphanumeric labeling will be cleared after reset. | ||
===Syntax=== | ===Syntax=== | ||
Revision as of 14:27, 16 December 2020
The %chg macro is used in the Event Handler will rurn one value when an event goes ON, and another value when the event goes OFF.
From AMC 11.02 also alphanumeric labeling can be used. Alphanumeric labeling will be cleared after reset.
Syntax
%chg(ON_txt,OFF_txt)
Returns "ON_txt" when the event goes ON, "OFF_txt" when the event goes OFF
Examples
Example 1:
LOG "Door %1.dir is %chg(OPEN ,CLOSED)"
- Result in System Log when event goes ON: - "Door 123 is OPEN"
- Result in System Log when event goes OFF: - "Door 123 is CLOSED"
Example 2:
IF %chg(1,0) LOG "Event goes ON" stop ENDIF LOG "Event goes OFF"
Back to Event_Handler#List_of_macros.