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  1. #1
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    Default HY VFD (Isacon not Huanyang) advise

    Yesterday I picked up an almost new 1.5Kw 3 phase motor and a "still in the box" 4Kw VFD for $125.

    My intention is to fit the motor to my little McMillan lathe (Honden) to make it a bit nicer to use.

    The VFD has turned out to be a copy of a Huanyang. Its called a "HY" series. Made by Isacon. Even the model number is the same as the genuine Huanyang. Bugger.


    I didn't realise that until I got it home. Anyway I've wired it up and got it running and the motor runs ok. So that's good. I still have to figure out how to get it to soft start. Even at a low frequency its still got a bit of a hard start.

    I've done a bit of research online today and I think I've got most of the settings right however I cant figure out how to get a soft start on it.

    With genuine Huanyang that I have set up on my mill it does a really soft start. Its just starts to turn with no "thump" which is what Id like to achieve on the lathe.

    As the HY appears to be a poor clone of the Huanyang maybe a soft start is not possible.
    The other settings I cant get my head around are the parameters numbered.

    Pn 12 (set at 50Hz atm)
    Pn 13
    Pn 14

    Any thoughts/advice would be appreciated.

    PDF of the user manual attached
    thanks
    Peter

    hy book.pdf

  2. #2
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    Default

    According to the parameter lists in the manual Pn 08 is used to set the acceleration time (range up to 650 seconds) and Pn 09 is used to set deceleration times in the same range. Pn 06 can have one of two values and determines whether the motor coasts to a stop (power to motor removed) or is decelerated (motor remains powered and drive frequency decreases in accordance with Pn 09). There does not appear to be similar parameter to switch from hard start to accelerated start.

    Hope this helps.
    I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.

  3. #3
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    Default

    Is Pn08 still the default 10s setting? I'd have thought that would give it a pretty soft start...

    Steve

  4. #4
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    Default

    Pn 06 set to 2
    Pn 08 set to 2
    Pn 09 set to 6

    I have tried a few different settings for the above but it still has the thump when it starts.
    I probably wont have a chance to do much more with this for the next few weeks.
    peter

  5. #5
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    Default

    Well after around a 5 month delay I've finally gotten back onto this little project. I've made a foot mount for the motor and fitted the motor to the lathe, wired up the VFD and its running fine.
    On fitting the new motor I was able to line the pulleys up better than its ever been. It runs a lot quieter now. probably a combination of pulleys in alignment and a 3 phase motor.

    However at this point I don't have any external controls fitted.
    Being a cheap clone, the VFD manual leaves a lot to be desired.
    According to the book a "1-5K" potentiometer is suitable. I asked one of the electronics teachers at work about this today and he reckons a 5k pot would be fine.

    hyvfd.jpg



    I bought one of these from Jaycar this arvo, wired it up to test and changed the Pn 03 setting from 2 (panel button) to 1 Potentiometer. (page 12 user manual in my earlier post)
    Unfortunately the pot had no effect.
    So can anyone offer some suggestions on this please? Maybe I am deciphering the book incorrectly?
    Any help would be greatly appreciated. thanks
    Peter

  6. #6
    BobL is offline Member: Blue and white apron brigade
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    Default

    Quote Originally Posted by bollie7 View Post
    I bought one of these from Jaycar this arvo, wired it up to test and changed the Pn 03 setting from 2 (panel button) to 1 Potentiometer. (page 12 user manual in my earlier post)
    Unfortunately the pot had no effect.
    So can anyone offer some suggestions on this please? Maybe I am deciphering the book incorrectly?
    Any help would be greatly appreciated. thanks
    Peter
    Hooking up the pot is usually just one step in the process.
    Usually there are some jumpers that need to be moved
    AND
    Some programming parameters that have to be set.
    The most important parameter is that which tells the VFD to use the input terminals as a source of control

  7. #7
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    Bob.
    I haven't found any reference to jumpers in the user book for this VFD. The real Huanyang I have on my mill has jumpers.
    The only reference to a pot I can find is on Pn03 and Pn19

    PN03.JPGPn19.JPG

    I'm not 100% sure what "Multi segment" means. I'm assuming its some sort of preset-able frequency range assigned to numbers ie Number 1 =X frequency. If that's the case then it's probably something I wont need.
    Anyway my morning break is over, best get back to work.
    Peter

  8. #8
    BobL is offline Member: Blue and white apron brigade
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    Quote Originally Posted by bollie7 View Post
    Bob.
    I haven't found any reference to jumpers in the user book for this VFD. The real Huanyang I have on my mill has jumpers.
    The only reference to a pot I can find is on Pn03 and Pn19
    It looks like Pn03 is the one. Have you changed it ?

  9. #9
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    Quote Originally Posted by BobL View Post
    It looks like Pn03 is the one. Have you changed it ?
    Bob
    Yes.
    Pn04 is "Source of Runtime command with range 1-2" 1= panel button 2 external signal control

    I have tried it with Pn03 set to "1" Potentiometer
    and
    Pn04 set to "2" External signal control.

    Also tried with

    Pn03 set to "1" Potentiometer
    and
    Pno4 set to "1" = panel button

    I wonder if the external pot will not work without external start & stop switches?

    I'll play a bit more tonight. I'm sure its just a matter of figuring out the manual.

    peter

  10. #10
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    Well, this has got me stuffed.
    I had another play when I got home this arvo. Cannot get it to work from the potentiometer.
    I jury rigged some switches and relays to try the remote start and stop and that works fine.
    I've tested the potentiometer and it appears to be ok as well.
    At this point I have no idea where to go from here.
    Unfortunately the company that makes these things doesn't appear to have a website and I think it would be a waste of time calling them.

    I've been searching online but, whilst there are lots of copies of the user manual, I haven't found anything where someone has set up an external pot and got it to work.
    Bugger.
    If I cant get this thing to work with an external pot I might cut my losses and buy a genuine HuanYang. They can be bought for around $150.
    Someone might want this one where they are happy to run it without an external speed control.

    peter

  11. #11
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    One thing I forgot to mention before is,when Pn03 is set to 2 for the panel the display shows whatever I have the frequency set on. ie 50.00
    However when Pn03 is set to 1 for the pot, the display shows 34.30
    Don't know what that indicates.
    peter

  12. #12
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    Have you looked on the board for a jumper?(or a place for one). While I cant find it in the manual either, as Bob said and you know the Huanyang needs something to switch between internal pot and external pot. While the picture of your VSD doesnt show the pot markings the drawing of the label does, so I'm guessing internal pot is an option.





  13. #13
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    Quote Originally Posted by bollie7 View Post
    However when Pn03 is set to 1 for the pot, the display shows 34.30
    Well I'm guessing it means you don't have Pn11=50 which was my "long shot". So that's something

  14. #14
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    Default

    Quote Originally Posted by bollie7 View Post
    Bob.
    I haven't found any reference to jumpers in the user book for this VFD. The real Huanyang I have on my mill has jumpers.
    The only reference to a pot I can find is on Pn03 and Pn19

    PN03.JPGPn19.JPG

    I'm not 100% sure what "Multi segment" means. I'm assuming its some sort of preset-able frequency range assigned to numbers ie Number 1 =X frequency. If that's the case then it's probably something I wont need.
    Anyway my morning break is over, best get back to work.
    Peter
    Hi Peter,

    JMTPW ! I read that to say Pn 03 should be set to 3 and also Pn 19 should be set to3 as well.

    HTH.
    Best Regards:
    Baron J.

  15. #15
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    Quote Originally Posted by BaronJ View Post
    Hi Peter,

    JMTPW ! I read that to say Pn 03 should be set to 3 and also Pn 19 should be set to 3 as well.

    HTH.
    I don't think I've tried that combination yet so will give it a whirl. The worst I can do is let the smoke out.

    Edit. Looking at the list of configurable parameters again, you might be onto something. My panel doesn't have a pot so changes in frequency are done using the buttons. Pn03 "Source of runtime frequency" lists no 1 being for a pot. I've been assuming that its for an external pot. Maybe it actually means an internal pot (if fitted). So tonight I'll try setting it to 3 "External 0-5V signal"

    thanks
    peter

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