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
