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| | | |-+  Huanyang VFD controller plugin
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Author Topic: Huanyang VFD controller plugin  (Read 403904 times)
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DMBGO
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« Reply #150 on: October 31, 2010, 05:33:31 PM »

Normal PC serial poprts are RS232 ports, whereas the VFD needs a RS485 port. If you look back through this thread you will see some discussion on various options for converting from RS232 to RS485.
Or, just google or ebay RS485 converter

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Dave
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David
justinc1981
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« Reply #151 on: October 31, 2010, 05:38:14 PM »

yeh i have just ordered an adaptor on ebay just thought i might be able to work b4 i got the adaptor
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mikie
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« Reply #152 on: October 31, 2010, 06:33:59 PM »

The VFD uses RS485 and the interface from your PC is RS232. They are incompatible.
You need to either add an RS485 DB9 card or just use the USB interface to drive the RS485.
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justinc1981
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« Reply #153 on: November 01, 2010, 05:21:21 PM »

hi there guys

just wondering if anyone might be able to help me ..

when my VFD spindle is running my laptop mouse is all over the place and wont work .. but as soon as its stopped and the mouse works as per normal ..

do i need have to earth / ground something ? or a filter ? or something ?

thanks

Justin
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DMBGO
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« Reply #154 on: November 01, 2010, 06:24:41 PM »

Sounds like you need an EMI filter on the incoming power to the VFD, although if the mouse is your only issue, I'd try a different mouse first. A mouse is cheaper. It might just be that you have a poorly shielded mouse!
You can get EMI filters on ebay

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Dave
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justinc1981
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« Reply #155 on: November 01, 2010, 06:30:26 PM »

hey Dave

thanks for your quick reply mate

sorry when i meant mouse i meant the internal touch pad on the laptop .. ok i'll look for a EMI filter (are they easy to install) ?

thanks

Justin
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justinc1981
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« Reply #156 on: November 01, 2010, 06:34:25 PM »

so will one of these work ?

http://cgi.ebay.com.au/RF-EMI-POWER-LINE-FILTER-6-AMP-MALE-MAINS-IEC-SOCKET-/380258689485?pt=AU_Pro_Audio&hash=item58892f21cd

http://cgi.ebay.com.au/9mm-Cable-Ferrite-Snap-On-EMI-RFI-Noise-Core-Filter-x5-/390256670285?pt=AU_Television_Accessories&hash=item5add1c364d

is anyone better then the other ?

thanks

Justin
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DMBGO
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« Reply #157 on: November 01, 2010, 07:14:16 PM »

Yes, I think some are better than others, the one you mentioned is only 6 amps, which may not meet the current requirements of your VFD, try this one
http://cgi.ebay.com.au/EMI-Filter-Variable-speed-AC-drive-/320608802271?pt=AU_Gadgets&hash=item4aa5c615df#ht_500wt_1156

I recently bought 2 similar than these from the states and paid about $40.00 each, so this is a good price, and is designed for an AC drive.

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Dave
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David
justinc1981
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« Reply #158 on: November 01, 2010, 07:20:21 PM »

Hi Dave

thanks for that Smiley

so i just wire it between the AC input cable and the VFD ?

easy !!

thanks mate

nice work

Justin
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DMBGO
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« Reply #159 on: November 01, 2010, 07:24:34 PM »

If you are unsure about the wiring, get a sparky Smiley

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Dave
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David
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