Chapter 11 Datalog Function
Trigger
Occurrence
Condition
Device
Set Condition
Operation Note
Word
Condition
Elevation
Same
Samples data at the elevation edge when Device Set Condition
changes from FALSE(0) to TRUE(1).
Descent
Samples data at the descent edge when Device Set Condition
changes from TRUE(1) to FALSE(0).
Elevation
Different
Samples data at the elevation edge when Device Set Condition
changes from FALSE(0) to TRUE(1).
Descent
Samples data at the descent edge when Device Set Condition
changes from TRUE(1) to FALSE(0).
Trigger occurrence condition is decided by main task END. If trigger occurs again when data sampling, the trigger is
ignored and data sampling keeps on