NEC PD78214 - Manual (Page 367)

338
µ
PD78214 Sub-Series
Fig. 12-29 Four-Phase Stepping Motor with Phase 1 Excitation
Fig. 12-30 Four-Phase Stepping Motor with Phases 1 and 2 Excitation
1 2 3 4 1 2 3
1 cycle
(4 patterns)
Phase A
Phase B
Phase C
Phase D
1 8 2 3 4 5 6 7 8 1 2 3 4 5
1 cycle
(8 patterns)
Phase A
Phase B
Phase C
Phase D