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The Woodturning Forum - Woodturner's Resource › Woodturning Forum › Tool Talk › Nova 1624 DVR wiring issue

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Nova 1624 DVR wiring issue (Read 94 times)

Michael Martin

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Nova 1624

Nova 1624 DVR wiring issue
Sep 19^th, 2023 at 8:57am

So, I picked up a used nova lathe with the after market DVR motor kit. Somehow during moving it, I damaged the DB 9 connector plug. Does anyone know the pin wiring order for me to be able to replace the plug? I cannot find anything online.

There are 9 wires and I can only figure out about 3 from the old plug due to the plug being cast in plastic.

Thank you

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Tony Gomez 2

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Oklahoma City
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Re: Nova 1624 DVR wiring issue
Reply #1 - Sep 19^th, 2023 at 7:23pm

If you posted a picture it would help a lot - you are halfway there - identifying that it is a db9 connector is a great step - so it is rs232 type of serial communications connection ? …usually out of those 9 wires as my ex telecom tech experience comes to mind - it may need as less than 3 wires to communicate - transmit , receive and ground usually pins 2 , 3 and 5 but it depends it a male or female connector ? It may require a Null modem - ie the transmit wire and receive wire are reversed as far as the colors to the pins - I would trace those out with a voltmeter

« Last Edit: Sep 19^th, 2023 at 8:45pm by Tony Gomez 2 »

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Ken Sherwin WR Noob Offline WR Rocks! Posts: 9 lafayette Indiana USA 1953 Shopsmith 10ER and 2017 Nova Galaxi DVR	Re: Nova 1624 DVR wiring issue Reply #2 - Sep 20^th, 2023 at 10:18am What is the aftermarket controller? Where does the wiring for that connector go on each end? Because it's an aftermarket controller, there is no telling what it's for.
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Bill Neff WR Addict Offline WR Rocks! Posts: 973 Barronett Wisconsin USA Gender: Jet 1642EVS	Re: Nova 1624 DVR wiring issue Reply #3 - Sep 21^st, 2023 at 9:17am Have you tried contacting Nova tech support? What model do you have? I don't remember which Nova lathe had the dvr kit offered.
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Bill Moschler Active Member Offline WR Rocks! Posts: 211 Knoxville Tennessee USA Gender: Nova	Re: Nova 1624 DVR wiring issue Reply #4 - Sep 21^st, 2023 at 10:49am One way to proceed maybe. Cut the wire about 2 inches from the plug Use a ohm meter to identify which wire goes to which pin. Then wire the new connector that way.
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Bill Neff WR Addict Offline WR Rocks! Posts: 973 Barronett Wisconsin USA Gender: Jet 1642EVS	Re: Nova 1624 DVR wiring issue Reply #5 - Sep 22^nd, 2023 at 9:28am Maybe if I read the title of the post I would have answered the question in my above response.!!! Doh! I hadn't had my coffee yet yesterday. That's my story & I'm sticking to it.
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Michael Martin WR Noob Offline WR Rocks! Posts: 2 Nova 1624	Re: Nova 1624 DVR wiring issue Reply #6 - Sep 22^nd, 2023 at 6:51pm The upgrade kit from Nova is a DVR motor and controller board. I’ve been in contact with them and after they went to their international offices, we have a diagram. The unit only uses pins 1-5. So, fingers crossed
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