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Ax3500 problems on startup (1 viewing) (1) Guest
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TOPIC: Ax3500 problems on startup
#4549523
scifideluxe (User)
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Ax3500 problems on startup 8 Years ago  
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Occasionally after powering up the Ax3500 it will automatically go uncontrollably to full speed regardless of the motor speed setting I send to it. I am using separate A &amp; B closed loop speed mode. If I run the Roborun utility first and exit I do not have this problem. Does anyone else have this problem?</FONT>
 
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#4551105
cosma (Visitor)
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Re:Ax3500 problems on startup 8 Years ago  
<P style="MARGIN: 0px">When it does this, please observe and report which direction the motor is running away.
<P style="MARGIN: 0px">
<P style="MARGIN: 0px">Do you see the motor switching direction if you put a negative vs positive command (e.g. !a55 vs !A55)
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#4604869
scifideluxe (Visitor)
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Re:Ax3500 problems on startup 8 Years ago  
<P style="MARGIN: 0px">cosmo,
<P style="MARGIN: 0px">
<P style="MARGIN: 0px">The direction seems to be random. Sometimes it will start in full reverse or full forward. Sending additional commands after it "goes crazy" has no effect.
<P style="MARGIN: 0px">The only thing that seems for fix it is to start Roborun and click the exit button.
 
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#4608157
cosma (Visitor)
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Re:Ax3500 problems on startup 8 Years ago  
<P style="MARGIN: 0px">Please provide the exact setup you have, so we can try to duplicate:
<P style="MARGIN: 0px">
<P style="MARGIN: 0px">- controller settings (I assume RS232, closed loop speed)
<P style="MARGIN: 0px">- what is it connected to when you power up
<P style="MARGIN: 0px">- is it going crazy right away or after receiving the first commands
<P style="MARGIN: 0px">- does it behave the same whether you restart by pressing the reset button or cycling power
<P style="MARGIN: 0px">- any other clue will help
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#4614945
scifideluxe (Visitor)
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Re:Ax3500 problems on startup 8 Years ago  
<P style="MARGIN: 0px">cosma,
<P style="MARGIN: 0px">
<P style="MARGIN: 0px">- The settings are RS232, A and B separate, and closed loop with encoder. Separate 12V batteries for the controller and motor input. Acceleration is 204 and everything else is set to default values. Procedure is to turn on motor controller and then close the motor battery power switch. I am running
<P style="MARGIN: 0px">a Java program with the Java com api on my laptop to send commands to the controller (hyperterminal control has the same problem).
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<P style="MARGIN: 0px">- It goes crazy when I send the first command
<P style="MARGIN: 0px">- restarting by pressing the reset button solves the problem. When I cycle the power the controller does not respond at all until I start Roborun and exit.
 
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