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Why do I get a value of 128 in the status word of my PI_B function block ?

Published date: 18 June 2019

Issue: 
Error value 128 in the status word of the PI_B function block in EcoStruxure Control Expert

Product Line:
EcoStruxure Control Expert, Unity Pro

Resolution:
A value of 128 in the status word indicate that the thresholds pv_inf and pv_sup of the PARA structure have identical values. These parameters must not have the same value.

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