What is safety integration Machines must meet local safety requirements AND not pose risk of the operating personnel. It’s all about safety and risk Safe Torque Off (STO) • Safety function integrated in drives to provide safety • Removes torque generation immediately from motor shaft – no rotation! • Highest priority of all operating modes Without torque on pumps: • No risk of pressure exposed on personnel • Pump stops with system curve after STO activation • Prevents unintentional starts, e.g. overrules all other operating modes, e.g. digital stop and low flow stop
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