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ATV28 replaced by an ATV11. Speed point come from a PLC ( analog output ). Probelm: there is no really 0v but 0,2 or 0,3v. At this value the ATV11 ru...

Goals and Symptoms

ATV28 replaced by an ATV11. Speed point come from a PLC ( analog output ).
Probelm: there is no really 0v but 0,2 or 0,3v. At this value the ATV11 running , not the ATV28.

Causes and Fixes

The solution is to put a diode or choose an ATV11 with S315 specification. This version have CrL and CrH functionnalities, like the ATV58

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