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HB25 motor driver exceptional failure — Parallax Forums

HB25 motor driver exceptional failure

KevinKKKevinKK Posts: 27
edited 2007-10-19 01:54 in Robotics
Hello ..
Does anyone have same experience as me ?
Our lab bought 10 more pcs of HB25 recently. We operater and wire it according to its manual.
However, we run into an abnormal case that two of HB25 failed without any symptom.
We check the power and signal to wire correctly.

Can anyone help us to explain this situation ?
Thanks for your any suggestion.

Kevin.

Comments

  • Mike GreenMike Green Posts: 23,101
    edited 2007-10-19 01:54
    Contact Parallax's support department. Send them an e-mail with details of what happened and expect to have a telephone call with them. The HB-25s are pretty reliable and robustly made. Did they work for a while, then stop working or did they never work at all? What are you trying to control? Have you tried a test program that just puts out a fixed control pulse (maybe 1.2ms width or 1.8ms width)?
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