dynamicboy

Constants value in PLC 5/20

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Hello Friends;

Here i attached a image. I want to change the constant value in the PLC 5/20. Going to online and type the new value is it correct method? and is it save in the data table file F.

 

Thanks

constants plc 5.jpg

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You can try. But that value may be written in there by something else.

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Yes you can change the value of a data table item by placing your cursor on the value in a statement as you have shown and just changing the value.  As Armadillo points out, you should do a cross reference of that value to make sure it is not overwritten somewhere else.  Keep in mind that it may be overwritten conditionally and may not immediately overwrite the value you put there but may do so when required by other logic. 

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