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Difference between revisions of "%chg"

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%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”
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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>
  
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===Syntax===
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'''%chg(ON_txt,OFF_txt)'''
  
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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
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===Examples===
Example: LOG “Door %1.dir is %chg(OPEN ,CLOSED)
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Example 1:
Result, event ON: - “Door 123 is OPEN
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LOG "Door %1.dir is %chg(OPEN ,CLOSED)"
Result, event OFF: - “Door 123 is CLOSED”
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*Result in System Log when event goes ON: - "Door 123 is OPEN"
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*Result in System Log when event goes OFF: - "Door 123 is CLOSED"
  
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Example 2:
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IF %chg(1,0)
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LOG "Event goes ON"
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stop
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ENDIF
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LOG "Event goes OFF"
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Back to [[Event_Handler#List_of_macros]].
  
  
 
[[Category:Event Handler macros]]
 
[[Category:Event Handler macros]]
 
[[Category:Event Handler]]
 
[[Category:Event Handler]]

Latest revision as of 13:28, 16 December 2020

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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.

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.