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6.33. CALL(Call) Call Sub-ladder

6.33. CALL(Call):Call Sub-ladder

 

Symbol

Relay Combination

Factor

file number: Relay or number that designates Sub-ladder’s file No.(1~99)

Description

If Rung is activated, it will call Sub-ladder with the number that is designated by file number.

File names of Sub-Ladder can exist maximum of 99 between S01xxxx.LAD ~ S99xxxx.LAD, ‘xxxx’ in the file name can be named by a user, and it can be up to 15 characters..

Usage Example

 

If X23 signal is being received, the files from S01xxxx.LAD to S99xxxx.LAD will be called rotationally.

From the result of CALL command’s execution, if the Sub-Ladder of corresponding number does not exist, or if it exceeds the range of 1 ~ 99, it will set SP18=On. If it is executed normally, it will set SP18=Off. Therefore, it is able to detect error by using SP18 after calling in case when Sub-Ladder needs to exist..

Arrange to use CALL command to call the Sub-ladder of 1 ~ 99 from the Main-ladder, and assign the Sub-ladder number for each applications. By doing that, and load only necessary Sub-ladder according to the application with the Controller, you can expect an effect that the corresponding ladder will be executed automatically.