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6.34. END(End) Ladder End

6.34. END(End):Ladder End​

 

Symbol

Factor

None

Description

If Rung is activated, terminate the currently processing ladder.

If the currently processing ladder is a Sub-ladder, it will return to the Main-ladder. If the currently processing ladder is Main-ladder, terminate the process and restart it from the beginning.

Usage Example

If initialization process is required, compose the initialization process as S01 Initialize.LAD file and arrange it to call No.1 from the Main-Ladder. Then add it to the first Rung in S01. Since SP3 is a relay that only goes On during the one scan of the beginning of operation, S01 will only be executed once. From the next scan, it will be returned from the first Rung.