Patent ID: 7752831

Claim:
System for activating a rotor drive ( 31 ) of an open-end rotor spinning machine ( 30 ), comprising an open-end rotor spinning machine ( 30 ) with a plurality of workstations ( 33 ), each of the work stations ( 33 ) having a rotor drive ( 31 ) with a rotor drive control unit ( 4 ) comprising at least one communication interface ( 18 , 19 ) for connecting to a workstation control unit ( 35 ), and means disposed externally of and not physically connected with the spinning machine ( 30 ) and selectively operative to connect to any of the rotor drive control units ( 4 ) in selective substitution of the workstation control units ( 35 ) for activation of the individual rotor drives ( 31 ) and for reading signals representing operating state data of the rotor drives from the individual rotor drive control units ( 4 ) of the rotor drives ( 31 ) by means of the at least one communication interfaces ( 18 , 19 ) of the rotor drive control units ( 4 ) for adjustment and checking thereof.