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Holset VGT HE351VE Controller

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Holset VGT HE351VE Controller

Old 04-16-2010, 07:06 PM
  #11  
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Originally Posted by Tonio View Post
I got an email from the Cummins engineer. Sadly, is not their field. They seemed pretty interested in the project though!
I went and did some more research and found a phone number to contact a tech from Delphi. He told me that all Cummins units are CAN only. The only controller that uses PWM from the factory is the International DT466 and DT530. I have a buddy in an International dealer that can hook me up with one of them. I can PM you the Delphi tech phone number if you're interested. He seemed pretty knowledgeable about the controller. Let me know if you can use the International controller.
That's awesome. You sure have some connections... I'm 95% certain that the actuator I have doesn't respond to PWM. I also highly doubt the International version bolts onto this turbo. Besides, the route that I'm taking is more fun anyway. Still, thank you for asking him.

Only a few more days and I'll receive my new actuator. I'll then be able to upload pictures to show my progress.
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Old 04-18-2010, 06:36 PM
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Finally got the actuator. I unfortunately already desoldered the board before I saw this.
The actuators have a ST72561 44-pin Microcontroller. It seems that there are specific PWM I/O pins that can be tapped into. Does anyone want to try sending some PWM to these pins? I followed the traces and they are accessible at the top of the board so it doesn't have to be removed. I have them circled in the picture. Somebody please try them. I'm VERY curious how the controller will respond.
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Old 04-18-2010, 07:49 PM
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I can maybe get it going on my Honda. I can do it through EGR control. I don't know if you're aware of the Honda world using PWM electronic boost controllers. It's a small air valve that opens and closes. It uses 31Hz I believe. Is there any other way to send the signal to the controller? I have a couple of them, if you want I can send you one for testing.
I wonder how they would wire the VGT controller to use Honda's EGR signal...?
Check this out and let me know if you think it might work
s300 Boost Control
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Old 04-18-2010, 08:02 PM
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Originally Posted by Tonio View Post
I can maybe get it going on my Honda. I can do it through EGR control. I don't know if you're aware of the Honda world using PWM electronic boost controllers. It's a small air valve that opens and closes. It uses 31Hz I believe. Is there any other way to send the signal to the controller? I have a couple of them, if you want I can send you one for testing.
I wonder how they would wire the VGT controller to use Honda's EGR signal...?
Check this out and let me know if you think it might work
s300 Boost Control
I suppose you could try it. Its probably a shot in the dark though. Who knows what frequency its looking for... My Picaxe is capable of many PWM signals but I'm out of untouched VGT actuators.
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Old 04-18-2010, 09:13 PM
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Well, after purposefully mutilating the actuator, I've got it all wired up now to work with the ESC. Here's a pic.
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Old 04-19-2010, 12:44 PM
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I got the potentiometer installed for position feedback. Now its programming time.
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Old 04-19-2010, 05:04 PM
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Nice!!
Were you guys aware of the wiring?

1 and 2 are key-on constant 12v and ground.
3 and 4 are the J1939 + and -
Don't know if it helps.
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Old 04-19-2010, 11:24 PM
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Originally Posted by Tonio View Post
Nice!!
Were you guys aware of the wiring?
1 and 2 are key-on constant 12v and ground.
3 and 4 are the J1939 + and -
Don't know if it helps.
I actually was already aware of that. Thank you though. Cool desktop.

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Old 04-20-2010, 05:54 AM
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Old 05-04-2010, 02:43 PM
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any new updates?
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