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IndustryArena Forum > CNC Electronics > Gecko Drives > Difference between 320 and 340?
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  1. #1
    Join Date
    Dec 2005
    Posts
    67

    Difference between 320 and 340?

    What is the difference between the Gecko 320 vs 340??

    The only thing I could find was the "step pulse multiplier". Does this essentially magnify or multiply the steps coming from the PC software and send that on to the motor, thereby speeding things up?

    I do not have a high or even medium speed requirement, so if the above is true, then I should probably stick to the 320??

    This is what I'm thinking, but let me know if I'm wrong please.

    Andy
    Andy M.

  2. #2
    Join Date
    Mar 2003
    Posts
    35538
    Basically your correct. If your PC can output steps fast enough to use the G320, then you don't need the G340. This can be somewhat dependant on your encoder count.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
    Join Date
    Jun 2003
    Posts
    114
    Quote Originally Posted by ger21
    Basically your correct. If your PC can output steps fast enough to use the G320, then you don't need the G340. This can be somewhat dependant on your encoder count.
    How can i find out if my pc can output steps fast enough to use the G320?

  4. #4
    Join Date
    Mar 2003
    Posts
    35538
    You need to know how many steps/second you need, first. Then, if you're using mach3, it can output 25,35, or 45,000 steps per second. You'll need at least a 2 Ghz PC to use the faster speeds.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  5. #5
    Join Date
    Jun 2003
    Posts
    114
    Quote Originally Posted by ger21
    You need to know how many steps/second you need, first. Then, if you're using mach3, it can output 25,35, or 45,000 steps per second. You'll need at least a 2 Ghz PC to use the faster speeds.
    Since my slowest pc i have is a PIV 2.26Ghz i guess i can go with the 320´s and take the full advantage of using mach3 at 45,000 steps...correct?

    Regards,
    Hector

  6. #6
    Join Date
    Mar 2003
    Posts
    35538
    All PC's run Mach3 differently. You really need to make sure it runs OK at 45Khz. Art usually recommends running at 25Khz, unless you really need to run faster.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

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