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TIME-ON, TIME-OFF

 
Purpose:     Used in programs to trigger events based on the duration of time an item has been on or off.
                     Use only with items which are binary such as ON-OFF and START-STOP for the range.
                     Can be used with outputs, inputs, variables, schedules
 
TIME-ON
 
Purpose:     Returns the length of time that an item has been on
 
Format:     TIME-ON( item )
 
Example:     10 REM START OUT2 10 MINUTES AFTER OUT1 IS ON
                      20 IF TIME-ON( OUT1 ) > 0:10 THEN START OUT2
 
 
TIME-OFF
 
Purpose:     Returns the length of time that an item has been off
 
Format:     TIME-OFF( item )
 
Example:     10 START OUT1 FOR 20 MINUTES, THEN STOP FOR 20 MINUTES, REPEATING
                      20 IF TIME-OFF( OUT1 ) > 0:20 THEN START OUT1
                      30 IF TIME-ON( OUT1 ) > 0:20 THEN STOP OUT1