How to write constant value?

hey 

its bit confusing to write constant value i.g 4amp in p2885[1]=??  can anyone please guide

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Split from FFB for tripping a MM440 VFD.

Hello,

In MM4440 user can not enter constant value directly in parameter. Using free function block, user can write mathamtical logic of CI/BI calculated in drive itself.

In case if you need more information, please provide specific data of your requirement.

Hi chakko,

parameter p2885 is a contactor, it has to be only connected to another parameter.

And this parameter will contain your value, for example fixed setpoint p2889. It is percentage value, you have to try what number should be entered into p2889 to get requested number at input of comparator.

With regards

Martin