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Neutron Beam Line Shutter Control

Two axis stepping motor controlling X/Y shutters

 Neutron Beam Line Shutter Control

Two axis stepping motor controlling X/Y shutters.   Potentiometer feedback gives absolute positioning on power up.  A special analogue feedback control system was used in this application as encoders were not compatible with the rotation environment.  The analogue error signal was then converted to a pulse command for stepper positioning.