Activating NOS in Beta code 22Nov creates "Config error

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Philip Lochner
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Activating NOS in Beta code 22Nov creates "Config error

Post by Philip Lochner »

Loaded Latest Beta (22Nov) into MS2. No trouble with buring.

As soon as I activate NOS, I get a "Config error" on the bottom of my MT screen, rpms sit at 65k and I have "not synced" in the lower RH corner. This happens regardless of what input (JS7, PE1 or JS11) I select for NOS Enable.

I am using:
JS 4 = Constant Baro
JS 5 = 2nd WBO
JS10 = EDIS SAW
Another input required for Enable NOS

MSQ attached.
Kind regards
Philip
'74 Jensen Interceptor 440ci (EFI'ed with MS2 and wasted spark + GM 4L60e GPIO controlled - both on Extra FW)
hassmaschine
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Post by hassmaschine »

hmmm, I get the same error with the dec. 1 beta - tach pegs to 65k, and in the mini terminal it says "conflict with tach output". I'm using JS11 for my tach signal.

ken?
jsmcortina
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Post by jsmcortina »

Did you disable the stepper idle? This needs to be set to something other than stepper.

James
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hassmaschine
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Post by hassmaschine »

jsmcortina wrote:Did you disable the stepper idle? This needs to be set to something other than stepper.

James
not sure if you're talking to him, me or both of us, but I've never used the stepper idle - I don't have the 12v supply to the stepper chip connected either. The same config works with beta 16 - I just thought maybe his error was related to mine. I want to try the dec. 1 beta but I get that config error (tacho conflict) using the same settings from beta 16.
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Post by jsmcortina »

Doesn't matter whether you use it or not. The default settings enable stepper IAC, so you have to specifically disable it.

Philip inadvertently has it enabled (15 minute IAC.)

James
I can repair or upgrade Megasquirts in UK. http://www.jamesmurrayengineering.co.uk

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hassmaschine
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Post by hassmaschine »

ah, I see - but I have it disabled, because I'm using PWM closed loop.. still can't figure out my error with the dec. 1st beta then.
Philip Lochner
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Post by Philip Lochner »

jsmcortina wrote:Philip inadvertently has it enabled (15 minute IAC.)
James
Thanks James.

Setting Idle Control Algorithm to "NONE" has solved that problem.

(I had it on ON/OFF idle valve as well but that also did not work)
Kind regards
Philip
'74 Jensen Interceptor 440ci (EFI'ed with MS2 and wasted spark + GM 4L60e GPIO controlled - both on Extra FW)
Philip Lochner
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Post by Philip Lochner »

Now that the config error issue is resolved, I still can't get NOS to work. :( I've made sure that rpm, tps and clt conditions are met - no joy.)

I've connected up D14 to light up when NOS input goes active (12V on JS7), D15 for NOS stage 1 active (12V on JS0) and NoS stage 2 active on D16 (12V on JS2). All LEDs powered via their respective resistors. I've tested my build with MS2 removed, power applied to the board and then jumpering 12V to each of these JSx points. The LEDs come on when 12V is applied to JS0,2,7. Pin 10 on the 40pin socket goes low from 5V when I "activate NOS" by applying 12V to my "NOS active" input. So I'm confident about my build.

Is there anything in the datalog that I can look at to see that MS2 knows my NOS input is active?

Anything else I should try?
Kind regards
Philip
'74 Jensen Interceptor 440ci (EFI'ed with MS2 and wasted spark + GM 4L60e GPIO controlled - both on Extra FW)
Philip Lochner
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Post by Philip Lochner »

Philip Lochner wrote:Now that the config error issue is resolved, I still can't get NOS to work.

Is there anything in the datalog that I can look at to see that MS2 knows my NOS input is active?

Anything else I should try?
As further confirmation that my hw is ok, I de-activated NOS and activated IAC stepper and I could see the two "stage 1" and "Stage 2" LEDs lighting up properly as step commands were being issued to the IAC, so I know my output trannies are properly wired up to JS0 and JS2.

Deactivating IAC and re-activing NOS still did not bring NOS alive.

Any advice would be welcome, thanks.
Kind regards
Philip
'74 Jensen Interceptor 440ci (EFI'ed with MS2 and wasted spark + GM 4L60e GPIO controlled - both on Extra FW)
jsmcortina
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Post by jsmcortina »

Did you modify your MS2 card to connect "JP4" to pin 10 ?

like the green wire:
Image

James
I can repair or upgrade Megasquirts in UK. http://www.jamesmurrayengineering.co.uk

My Success story: http://www.msextra.com/forums/viewtopic ... 04&t=34277
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Philip Lochner
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Post by Philip Lochner »

Thank you James!!

Now its working!! Now I can go get my N2O hw :D

Somehow I missed that little mod....
Kind regards
Philip
'74 Jensen Interceptor 440ci (EFI'ed with MS2 and wasted spark + GM 4L60e GPIO controlled - both on Extra FW)
LR Performance
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Post by LR Performance »

jsmcortina wrote:Did you modify your MS2 card to connect "JP4" to pin 10 ?

like the green wire:
Image

James
Hi JSM

If I want to use IAC1A and IAC2A output for driving relays I must do a jump between JP4 to Pin10???
Boutique de pièces STREET & RACE
Image
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Post by jsmcortina »

The jumper from JP4 to pin 10 is only used to access "PE0" and has no connection with the stepper outputs.

James
I can repair or upgrade Megasquirts in UK. http://www.jamesmurrayengineering.co.uk

My Success story: http://www.msextra.com/forums/viewtopic ... 04&t=34277
MSEXTRA documentation at: http://www.msextra.com/doc/index.html
New users, please read the "Forum Help Page".
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