QMOT STEPPER MOTORS MOTORS V 2.3 QMOT QSH5718 MANUAL + + QSH-5718 -41-28-055 57mm 2.8A, 0.55Nm -51-28-101 57mm 2.8A, 1.01Nm -56-28-126 57mm 2.8A, 1.26Nm -76-28-189 57mm 2.8A, 1.89Nm + + TRINAMIC Motion Control GmbH & Co. KG Hamburg, Germany www.trinamic.com QSH5718 Manual (V2.3/2011-APR-12) 2 Contents 1 Life support policy .................................................................................................................................................................... 3 2 Features........................................................................................................................................................................................ 4 3 Order Codes ................................................................................................................................................................................ 5 4 Mechanical dimensions ........................................................................................................................................................... 6 4.1 Dimensions ........................................................................................................................................................................ 6 4.2 Leadwire configuration .................................................................................................................................................. 7 5 Torque figures ............................................................................................................................................................................ 8 5.1 QSH5718-41-28-055 ........................................................................................................................................................... 8 5.2 QSH5718-51-28-101 ........................................................................................................................................................... 9 5.3 QSH5718-56-28-126 ........................................................................................................................................................... 9 5.4 QSH5718-76-28-189 ......................................................................................................................................................... 10 6 Considerations for operation............................................................................................................................................... 11 6.1 Choosing the best fitting motor for an application ............................................................................................ 11 6.2 Motor Current Setting ................................................................................................................................................... 11 6.2.1 Choosing the optimum current setting ........................................................................................................ 12 6.2.2 Choosing the standby current ......................................................................................................................... 12 6.3 Motor Driver Supply Voltage ...................................................................................................................................... 12 6.3.1 Determining if the given driver voltage is sufficient ............................................................................... 13 6.4 Back EMF (BEMF) ............................................................................................................................................................. 13 6.5 Choosing the Commutation Scheme ....................................................................................................................... 14 6.5.1 Fullstepping .......................................................................................................................................................... 14 7 Revision history ....................................................................................................................................................................... 15 7.1 Document revision ........................................................................................................................................................ 15 Copyright 2011, TRINAMIC Motion Control GmbH & Co. KG