FIELD: step-by-step control of miscellaneous digital servo mechanisms for various control systems. SUBSTANCE: pulse distributor has three-bit counter, four concurrently operating multiplexors, four pairs of D flip-flops, each pair being parallel- interconnected and connected to output of respective multiplexor, 4AND-NOT gates, RS flip-flop, one-shot multivibrator, control time step length shaper, and two delay circuits. EFFECT: improved reliability and reduced time of tests of drives built around stepping motors. 4 dwg
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