DEVICE FOR STEP MOTOR CONTROL Russian patent published in 2011 - IPC H02P8/00 H02P8/20 

FIELD: electricity.

SUBSTANCE: device to control a step motor includes a read-only memory, the third busbar of switching mode selection, a busbar of reading and new functional connections authorisation, specified in application materials.

EFFECT: expansion of functional capabilities due to provision of available switching and idle modes for motors with various quantity of phase windings and provision of the step motor operation in mode of alternating cycling controlled along busbars of switching mode selection.

4 dwg, 2 tbl