Using Invertor FR A800 unable to set a parameter.

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Hello I am trying to set up an inverter fr 800 to work in PLC mode, I know how to get it into this mode but when I try to change the parameter P414 it gives me "er 4" this error means that their is a parameter write error. Is there some other parameter that may be preventing me from changing this one? Thanks in advance to all responses.

EDIT: Just after writing this i have solvd the problem, parameter 77 was set to 0 allowing writing ONLY when the invertor is in stop. Changing this to 2 allows changes at any time which allowed me tro change what i needed. I will leave this here in case it helps anyone else in the future.

Edited by ThePLCPeon

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