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Type: Posts; User: Larken

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  1. Re: G201X mosfets not making contact with backing plate

    Get some heat transfer pads and some thermal grease . You can also bend the mosfet away from the pcb a but and put a small cardbourd strip on top so it has more pressure
  2. Re: WOW ! Parts are getting a Wee bit hard to find now

    I'm not as up to date on the latest cutting edge technology for multi ghz processors as you guy's . But what im seeing is most of the 10-20 year old Atmel , Microchip and motorola etc.. 8 and 16...
  3. Re: WOW ! Parts are getting a Wee bit hard to find now

    Ya.. Steel and almost ever other product they have copied and sell back cheap. Who invented the PC and all the circuit boards that go with it ? .. not china. Who invented Telecom ( nortel...
  4. Re: WOW ! Parts are getting a Wee bit hard to find now

    But really it wouldn't it be better if factories were spread around the world in numerous ( non communist ) countries instead of putting all your eggs in one ( very powerful ) countries basket ? ...
  5. Re: WOW ! Parts are getting a Wee bit hard to find now

    Sorry, but i can't agree with you there. Its weak policy that is causing the mess the world is on now since Trump left. Tarrifs should be heavier if they are copying or dumping products. We were...
  6. Re: WOW ! Parts are getting a Wee bit hard to find now

    Its the News that only mentions the Auto sector electronics being affected, but its any popular electronics thats it short supply now. But the shortage is affecting everything else, so its...
  7. WOW ! Parts are getting a Wee bit hard to find now

    Check this out .. zero stock on the main parts i use on the Viper servo drives . This is the current state of electronics, its pretty bad .
    ...
  8. Air Shipping can erase the drives stored EEPROM settings

    I have recently had some customers in europe having problems setting up drives. I then asked them to email me their vipertune settings in a screen shot... and all the settings were all ZERO !

    ...
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    Re: Control power problem

    You can use a switching PS, but it has to have a Clean DC output . If adding a capacitor fixed it, then the PS was not out putting clean DC, Sounds like a poor quality PS. Maybe just get a 12V 2...
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    Re: larken system 400

    Yes its in the top of the spindle

    Larry
  11. Replies
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    Re: larken system 400

    I built those machine with the TC in 2000- 2001 . It ran on Lcam that had toolchanger controls integrated.
    The Mach3 must have been put on later, you are on your own with that .
    One mistake i...
  12. Thread: Power isolated?

    by Larken
    Replies
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    4,322

    Re: Power isolated?

    ... better late than never

    Yes on the Viper 200 series, the control side is opto isolated from the power side . So input signals and encoder are running off the low voltage safe side. The main...
  13. Re: I need help, Viper 200 can not save the paramters

    It could be hitting the top of the PS region where its hard for the pid for control the motor. I had sent some out with a PWM clip setting that was off .It should be set to 1700 on V200H

    ...
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    Re: Viper V60 troubles

    Its because you probably have noise between the drive and bob so try adding an RC filter in the connection. Try adding a 200 ohm resistor and a 100uf Cap. I'm helped you alot but when you start...
  15. Setup and tuning video for Step 2 Linear , step/dir to analog servo module

    https://www.youtube.com/watch?v=sGOyIlDQ6x0&t=00

    Larry K

    Viper Servo motor products
    Larken Automation
  16. Setup and tuning video for Step 2 Linear , Step/Dir to Analog Amp closed loop module

    https://www.youtube.com/watch?v=sGOyIlDQ6x0&t=0

    Larry K
    Viper Servo motor products
    Larken Automation
  17. New Firmware update for better Tuning of Viper 200 and S2L

    I've added some features and improved the tuning ability of all Viper200H and Step2Linear drives .
    Email me for how to return to have the firmware updated. Its free, just pay the shipping.
    Note :...
  18. New High resolution Step 2 Linear drive, now available .

    Hi
    I've updated the S2L to a 12 bit Dac for smoother control and no dither. The original used an 8 bit Dac that gave a resolution of +- 128 levels of 0-10V output. I'm now using a 12 bit serial...
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    Prototype Ventilator running a Pic 18F

    Here is a prototype medical ventilator i built , in 1st 2 weeks of april 2020

    https://www.youtube.com/watch?v=2TprOgkN1Dk&t=0s

    Part of the display screen was based on my Vipertune since i...
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    Re: Viper 200 MPG Step Issue

    What controller are you using ?
  21. Wanted Feedback of Hurricane Black box Vacuum System

    Anyone have experience with the Hurricane Black box Vacuum System ?
    How reliable is it and how well does it work on a 4' x 8' router ?

    Im debating either that or a 10-15 ho regen blower
    ...
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    Re: Spindle will not start

    Maybe contact Larken ?
  23. Re: larken spares urgently needed - are they still trading?

    Really...Why don't you just Contact Larken ?

    Larry kenny
    [email protected]
    Larken Automation
  24. Re: NEW: Setup and Tuning video for Viper 200 , by Larken

    Please pin this to the top
  25. Thread: Viper 200 issue

    by Larken
    Replies
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    2,829

    Re: Viper 200 issue

    I just posted a tuning video.
    What are the motor ratings. contin stall current and what PS voltage are you running ?
    Also what frame size is the motor. ?

    The jumpers on the V200H are just for...
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    Re: Will step2linear work for my machine?!

    No, it doesn't use the index pulse to close the loop, but you may be able to opto-couple it back to the motion controller to use in the homing.
    But the encoder wires and ground should only go to...
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    Sticky: Re: Viper Tune is ready !!! Finally

    Here is a Video on setting up the Viper 200 and Tuning it.

    https://youtu.be/zp4pGgEUarE

    Larry K
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    Re: Will step2linear work for my machine?!

    Yes, it should work with that amplifier.
    Is there good differential encoders on the machine ?

    Larry K
  29. NEW: Setup and Tuning video for Viper 200 , by Larken

    Hi
    Here is a Video for setting up and Tuning the Viper 200 using ViperTune.

    https://youtu.be/zp4pGgEUarE

    Have fun !!

    Larry kenny
  30. Thread: XZero CNC

    by Larken
    Replies
    4,514
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    177,377

    Re: XZero CNC

    Thats too bad to hear about George.
    Hows he doing ?.. How old is he btw ?
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