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RoadTest Forum Wan't to know how to test for trapezoidal wave in TMC9660 using osclloscope
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Forum Thread Details
  • State Not Answered
  • Replies 32 replies
  • Subscribers 2555 subscribers
  • Views 704 views
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Related

Wan't to know how to test for trapezoidal wave in TMC9660 using osclloscope

manojroy123
manojroy123 22 days ago

Can someone please share me detail on how to see trapezoidal wave in TMC9660 driver board using osciloscope.

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  • beacon_dave
    beacon_dave 16 days ago in reply to manojroy123 +2
    Looks like 'VM is not available' is one of the error conditions that would cause it to light. Another reference to checking the power supply if the error LED glows:
  • jc2048
    jc2048 21 days ago in reply to Jan Cumps +1
    Yes. The schematic shows them connected to GND.
  • jc2048
    jc2048 19 days ago in reply to manojroy123 +1
    I can't help you much with the controller or the motor side of things. You aren't going to see a trapezoidal waveform, whatever you do, because it's a velocity profile you're looking at in the diagram…
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  • manojroy123
    0 manojroy123 21 days ago

    image

    Still no output even after executing command from direct mode. 

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  • Jan Cumps
    0 Jan Cumps 21 days ago in reply to manojroy123

    Is that mounting point grounded?

    image

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  • jc2048
    0 jc2048 21 days ago in reply to Jan Cumps

    Yes. The schematic shows them connected to GND.

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  • jc2048
    0 jc2048 21 days ago in reply to Jan Cumps

    Yes. The schematic shows them connected to GND.

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