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Stepping Motor Detenting

IP.com Disclosure Number: IPCOM000091267D
Original Publication Date: 1967-Dec-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 30K

Publishing Venue

IBM

Related People

Pawletko, JP: AUTHOR

Abstract

In stepping motor applications where use of a high-voltage power switch pedestal is not feasible, this circuit reduces the detent current. The circuit arrangement for single phase only of the usual two-phase arrangement shows transistors T2 and T3 as the drive for coils 1 and 2 of the stepping motor when suitable impulses are applied to lines 1, or 1, and RUN. Transistors T1 and T4 are used for the detenting circuit and are connected to motor coils 1 and 2 via dropping resistors 3 and 4. Gating of T1 and T2 is through lines 1, or 1, and RUN.

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Stepping Motor Detenting

In stepping motor applications where use of a high-voltage power switch pedestal is not feasible, this circuit reduces the detent current. The circuit arrangement for single phase only of the usual two-phase arrangement shows transistors T2 and T3 as the drive for coils 1 and 2 of the stepping motor when suitable impulses are applied to lines 1, or 1, and RUN. Transistors T1 and T4 are used for the detenting circuit and are connected to motor coils 1 and 2 via dropping resistors 3 and 4. Gating of T1 and T2 is through lines 1, or 1, and RUN.

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