I.CH Motion 3P24M Owner's Manual

Hybrid stepper motor driver

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TECHNICAL DOCUMENT
OWNER'S GUIDE
3P24M HYBRID STEPPER MOTOR DRIVER
©2020 by I.CH Motion Co.,Ltd..
All Rights Reserved
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  • Page 1 TECHNICAL DOCUMENT OWNER’S GUIDE 3P24M HYBRID STEPPER MOTOR DRIVER ©2020 by I.CH Motion Co.,Ltd.. All Rights Reserved Page 1...
  • Page 2 13. Protection Functions ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙13 14. Frequently Asked Questions ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙14 15. Application ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙14 Note:if you have any problems,please email sales@ichmo.com to to contact us. Page 2 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 3 Having the operation characteristic of AC servo   Small size for easy mounting 16 selectable resolutions up to 25600 steps/rev  Page 3 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 4: Specification

    Storage Temperature -20℃-+125℃ Weight Approx. 550 gram (19.4 oz) Figure 1: Mechanical Specifications Recommend use side mounting for better heat dissipation. Page 4 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 5 Notes: PUL/DIR mode is the default mode, and under-cover jumper J1 can be used to switch it to CW/CCW mode. Page 5 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 6 Selecting CW/CCW or PUL/DIR Mode There is a jumper J1 (including pin 1 to pin 9) inside the 3P24M specifically for selecting pulse signal mode. Settings for the one-pulse mode (PUL/DIR) and for the double-pulse mode (CW/CCW) are shown in the following figure. Default mode out of factory is PUL/DIR mode and effective at rising edge.
  • Page 7 The 3P24M can accept differential and single-ended control signals (including open-collector, namely common-anode and PNP output, namely common-cathode). The 3P24M has 3 optically isolated logic inputs which are located on connector P1 to accept line driver control signals. These inputs are isolated to minimize or eliminate electrical noises coupled onto the control signals. It’s recommended to use line driver control signals to increase noise immunity of the driver under an interference environment.
  • Page 8: Connecting The Motor

    8. Power Supply Selection The 3P24M can match medium and small size stepping motors (from NEMA size 17 to 34) made by I.CH Motion or other motor manufactures around the world. To achieve good driving performances, it is important to select supply voltage and output current properly. Generally speaking, supply voltage determines the high speed performance of the motor, while output current determines the output torque of the driven motor (particularly at lower speed).
  • Page 9 Selecting Supply Voltage: The power MOSFETS inside the 3P24M can actually operate within +24 ~ +80VDC, including power input fluctuation and back EMF voltage generated by motor coils during motor shaft deceleration. Higher supply voltage can increase motor torque at higher speeds, thus helpful for avoiding losing steps.
  • Page 10 Microstep resolution is set by SW6, 7, 8 of the DIP switch as shown in the following table: Steps/rev.(for 1.2°motor) 1600 3200 6400 12800 25600 1000 1200 2000 4000 5000 6000 8000 10000 Page 10 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 11: Wiring Notes

    A complete stepping system should include stepping motor, stepping driver, power supply and controller (pulse generator). A typical connection is shown in the Figure 6. Figure 6: Typical connection Page 11 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 12: Sequence Chart Of Control Signals

    DIR must be ahead of PUL effective edge by 5µs to ensure correct direction; c)t3: Pulse width not less than 1.5µs; d)t4: Low level width not less than 1.5µs. Page 12 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 13: Protection Functions

    Attention: Since there is no protection against power leads (+, -) reversal, it is critical to make sure that power supply leads correctly connected to the driver. Otherwise, the driver will be damaged instantly. Page 13 ©I.CH Motion® 2020 ichmo .com Specifications subject to change without notice. Owner's Guide: 3P24M Hybrid Stepper Motor Driver...
  • Page 14: Frequently Asked Questions

    14. Frequently Asked Questions In the event that your 3P24M doesn’t operate properly, the first step is to identify whether the problem is electrical or mechanical in nature. The next step is to isolate the system component that is causing the problem. As part of this process you may have to disconnect the individual components that make up your system and verify that they operate independently.

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