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Help to choose right setup

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Arnis

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Post 17 Jan 2019, 08:31

Re: Help to choose right setup

Haw to change pulse width?
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STC

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Post 17 Jan 2019, 14:57

Re: Help to choose right setup

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Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
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Zastava128

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Post 18 Jan 2019, 19:32

Re: Help to choose right setup

Hello.
Will you use the stepper motor for closed loop on LPG?
I can't understand the last things you talked about.
Now can you turn the engine off?
Thank you.
Bye.
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Arnis

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Post 18 Jan 2019, 22:12

Re: Help to choose right setup

Im thinking abaut lpg stepper. But later. Now i have to let the car on streets. And then start tuning .and get more info abaut it.

Abaut wireing.
Secu is connected to power with relay.
Coil to ground and plus to ignition (acc).
Key on- secu on , key off- secu off.
But when engine runs turning key acc off engine still runs.

I thoth to see what is going on with tester lamp connecreed to acc.

3w lamp connected to acc wire
Key on - light on, secu on. OK.
Key off- light off, secu off. Ok
Cranc engine .lihht on ,engine runs. Acc off. Engine off. OK.
But without lamp engine keeps running
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STC

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Post 18 Jan 2019, 22:59

Re: Help to choose right setup

Arnis, the reason of such behavior may be in following. Make sure that after ignition become off voltage at the IGN input falls to zero. Also, it may need to set inversion check for that input.
Tell me which input you are using for IGN?
Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
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Arnis

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Post 22 Jan 2019, 00:44

Re: Help to choose right setup

OK,
I guess I need my free input PS rename to IGN and connect to car ACC cable and all will work. right?
did not find any info about input ign remapping for acc
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STC

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Post 22 Jan 2019, 16:44

Re: Help to choose right setup

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Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
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STC

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Post 22 Jan 2019, 16:45

Re: Help to choose right setup

If you want to use (reassign) PS input as IGN, then it is better to solder out resistor R22 (2.7k).
Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
Клуб проекта в Facebook https://www.facebook.com/groups/secu3club
Клуб проекта ВКонтакте https://vk.com/secu3club (вступаем!)
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Arnis

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Post 22 Jan 2019, 20:35

Re: Help to choose right setup

thanx,
I thought its enough to connect power to secu pin 12v with relay and activate relay coil by acc.
here is my electric wiring
Image
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Arnis

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Post 01 Feb 2019, 23:52

Re: Help to choose right setup

ok changing pulse with did not change. sense I have my dash android arduino based I had to change sketch. now tachometer works perfect.
can not find or understand how to generate ignition map for my engine.
could YOu point me where I can find info no that.
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