Selectively disengageable drive arrangement

A drive arrangement for a necker machine having a frame assembly and a plurality of modules, each module having a number of drive shafts, the drive arrangement comprising:

• a plurality of control motors, each control motor of the plurality of control motors structured to be operatively engaged with a drive shaft of the number of drive shafts of a respective module of the plurality of modules, each control motor structured to be electrically connected to a power bus of a number of power buses;
• a control unit in communication with each control motor of the plurality of control motors, the control unit structured to control operation of each control motor of the plurality of control motors;
• and
• a number of voltage sensors in communication with the control unit, each voltage sensor structured to detect voltage in a corresponding power bus of the number of power buses,
• wherein the control unit is programmed to:
• monitor, via the number of voltage sensors, the voltage in each power bus of the number of power buses during operation of the necker machine.