%chg: Difference between revisions

Latest revision as of 13:28, 16 December 2020

The %chg macro is used in the Event Handler, and will return one value when the event goes ON, and another value when the event goes OFF.

%chg(ON_txt,OFF_txt)

Returns "ON_txt" when the event goes ON, "OFF_txt" when the event goes OFF

Example 1:

LOG "Door %1.dir is %chg(OPEN ,CLOSED)"

Example 2:

IF %chg(1,0)
LOG "Event goes ON"
stop
ENDIF
LOG "Event goes OFF"

@@ Line 1: / Line 1: @@
-%chg(ON_txt,OFF_txt) returns "ON_txt" when the event goes ON, "OFF_txt" when the event goes OFF<br>Example: LOG “Door %1.dir is %chg(OPEN ,CLOSED)“<br>Result, event ON:  - “Door 123 is OPEN  ”<br>Result, event OFF: - “Door 123 is CLOSED”
+{{AI}}
+The '''%chg''' macro is used in the [[Event Handler]], and will return one value when the event goes ON, and another value when the event goes OFF. <br>
+===Syntax===
+'''%chg(ON_txt,OFF_txt)'''
+Returns "ON_txt" when the event goes ON, "OFF_txt" when the event goes OFF
-%chg(ON_txt,OFF_txt) returns "ON_txt" when the event goes ON, "OFF_txt" when the event goes OFF
+===Examples===
-Example: LOG “Door %1.dir is %chg(OPEN ,CLOSED)“
+Example 1:
-Result, event ON: - “Door 123 is OPEN ”
+ LOG "Door %1.dir is %chg(OPEN ,CLOSED)"
-Result, event OFF: - “Door 123 is 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]].
 [[Category:Event Handler macros]]
 [[Category:Event Handler]]