QMOT STEPPER MOTORS MOTORS V 1.06 QMOT QSH4218 MANUAL + + QSH-4218 -35-10-027 42mm 1A, 0.27Nm -41-10-035 42mm 1A, 0.35Nm -51-10-049 42mm 1A, 0.49Nm + + -47-28-040 42mm 2.8A, 0.40Nm TRINAMIC Motion Control GmbH & Co. KG Hamburg, Germany www.trinamic.com QSH4218 Manual (V1.06/2011-APR-12) 2 Table of Contents 1 Life support policy ....................................................................................................................................................... 3 2 Features........................................................................................................................................................................... 4 3 Order codes .................................................................................................................................................................... 5 4 Mechanical dimensions .............................................................................................................................................. 6 4.1 Lead wire configuration .................................................................................................................................... 6 4.2 Dimensions ........................................................................................................................................................... 6 5 Torque figures ............................................................................................................................................................... 7 5.1 Motor QSH4218-35-10-027 ................................................................................................................................. 7 5.2 Motor QSH4218-41-10-035 ................................................................................................................................. 7 5.3 Motor QSH4218-51-10-049 ................................................................................................................................. 8 5.4 Motor QSH4218-47-28-040 ................................................................................................................................. 8 6 Considerations for operation.................................................................................................................................... 9 6.1 Choosing the best fitting motor for an application ................................................................................. 9 6.1.1 Determining the maximum torque required by your application ............................................. 9 6.2 Motor Current Setting ........................................................................................................................................ 9 6.2.1 Choosing the optimum current setting ........................................................................................... 10 6.2.2 Choosing the standby current ............................................................................................................ 10 6.3 Motor Driver Supply Voltage ......................................................................................................................... 10 6.3.1 Determining if the given driver voltage is sufficient .................................................................. 11 6.4 Back EMF (BEMF) ................................................................................................................................................ 11 6.5 Choosing the Commutation Scheme .......................................................................................................... 12 6.5.1 Fullstepping ............................................................................................................................................. 12 6.5.1.1 Avoiding motor resonance in fullstep operation ............................................................. 12 7 Revision history .......................................................................................................................................................... 13 7.1 Document revision ........................................................................................................................................... 13 List of Figures Figure 4.1: Lead wire configuration ................................................................................................................................ 6 Figure 4.2: Dimensions (all values in mm) ................................................................................................................... 6 Figure 5.1: QSH4218-35-10-027 speed vs. torque characteristics ............................................................................. 7 Figure 5.2: QSH4218-41-10-035 speed vs. torque characteristics ............................................................................. 7 Figure 5.3: QSH4218-51-10-049 speed vs. torque characteristics ............................................................................. 8 Figure 5.4: QSH4218-47-28-040 speed vs. torque characteristics ............................................................................. 8 List of Tables Table 2.1: Motor technical data ......................................................................................................................................... 4 Table 4.1: Lead wire configuration .................................................................................................................................. 6 Table 6.1: Motor current settings ..................................................................................................................................... 9 Table 6.2: Driver supply voltage considerations ........................................................................................................ 10 Table 6.3: Comparing microstepping and fullstepping ............................................................................................ 12 Table 7.1: Document revision .......................................................................................................................................... 13 Copyright 2011, TRINAMIC Motion Control GmbH & Co. KG