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Nova 1624 DVR wiring issue (Read 357 times)

Michael Martin WR Noob Offline WR Rocks! Posts: 2 Joined: Sep 18^th, 2023	Nova 1624 DVR wiring issue Sep 19^th, 2023 at 1:57pm	Print Post
	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 Active Member Offline WR Rocks! Posts: 190 Location: Oklahoma City Joined: Aug 4^th, 2015	Re: Nova 1624 DVR wiring issue Reply #1 - Sep 20^th, 2023 at 12:23am	Print Post
	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 20^th, 2023 at 1:45am by Tony Gomez 2 »
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Ken Sherwin WR Noob Offline WR Rocks! Posts: 11 Location: lafayette Joined: Jan 22^nd, 2018	Re: Nova 1624 DVR wiring issue Reply #2 - Sep 20^th, 2023 at 3:18pm	Print Post
	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: 1,012 Location: Barronett Joined: Feb 10^th, 2009 Gender:	Re: Nova 1624 DVR wiring issue Reply #3 - Sep 21^st, 2023 at 2:17pm	Print Post
	Have you tried contacting Nova tech support? What model do you have? I don't remember which Nova lathe had the dvr kit offered.

	Some people are like slinkies... totally worthless but it puts a smile on your face when you push them down the stairs.
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Bill Moschler Active Member Offline WR Rocks! Posts: 231 Location: Knoxville Joined: Oct 13^th, 2012 Gender:	Re: Nova 1624 DVR wiring issue Reply #4 - Sep 21^st, 2023 at 3:49pm	Print Post
	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: 1,012 Location: Barronett Joined: Feb 10^th, 2009 Gender:	Re: Nova 1624 DVR wiring issue Reply #5 - Sep 22^nd, 2023 at 2:28pm	Print Post
	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.

	Some people are like slinkies... totally worthless but it puts a smile on your face when you push them down the stairs.
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Michael Martin WR Noob Offline WR Rocks! Posts: 2 Joined: Sep 18^th, 2023	Re: Nova 1624 DVR wiring issue Reply #6 - Sep 22^nd, 2023 at 11:51pm	Print Post
	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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