adding a knock sensor to DIYPnP 1.6
11-16-2010, 10:15 AM
#25
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No he means to only sample the engine noise at specific crank angles i.e. when the engine is compressing the air fuel mix.
means more accurate/reliable knock detection.
90R, I see what you mean. I don't think you idea has much merit to be honest. knock occours at a specific frequency, (dependant on bore diameter IIRC) the problem is the engine can drown that noise out, by dampening the signal you're not really helping matters.
means more accurate/reliable knock detection.
90R, I see what you mean. I don't think you idea has much merit to be honest. knock occours at a specific frequency, (dependant on bore diameter IIRC) the problem is the engine can drown that noise out, by dampening the signal you're not really helping matters.
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11-16-2010, 10:33 AM
#26
I'm just not sure of the ability to tune the "bolt" to the exact frequency. I think the size would constrain it to a higher harmonic. Then I'm not sure how the time delay of the X harmonic to the knock event. Would play in any delays and potential damage.
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11-16-2010, 10:39 AM
#28
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I have a knocklite.
I called up turboxs and spoke with them about integrating with MS.
They said:
The knocklite outputs a 0-5v square wave for knock signal on the yellow wire. On the blue wire, it outputs rpm.
I called up turboxs and spoke with them about integrating with MS.
They said:
The knocklite outputs a 0-5v square wave for knock signal on the yellow wire. On the blue wire, it outputs rpm.
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03-07-2011, 06:00 PM
#34
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These guys got hold of turboXS and said this:
'i got an email back from turboxs.
when the knocklite detects knock, the pin that connects to the DTEC-FC outputs 5v. when not detecting knock, it outputs 0V. that should be able to easily integrate into darn near any engine management system.
Brian '
Ok, link denied, quick search for 'knocklite 5v output' finds a thread on another 'mx5' forum, in that thread theres a link to another turbo vehicle forum, lol.
Also, it looks like you can configure ms2 (and surely ms3) to trigger knock on high or low so you don't have to do the hardware inverting of the signal... Win!
http://www.msextra.com/doc/ms2extra/...ware.htm#knock
'i got an email back from turboxs.
when the knocklite detects knock, the pin that connects to the DTEC-FC outputs 5v. when not detecting knock, it outputs 0V. that should be able to easily integrate into darn near any engine management system.
Brian '
Ok, link denied, quick search for 'knocklite 5v output' finds a thread on another 'mx5' forum, in that thread theres a link to another turbo vehicle forum, lol.
Also, it looks like you can configure ms2 (and surely ms3) to trigger knock on high or low so you don't have to do the hardware inverting of the signal... Win!
http://www.msextra.com/doc/ms2extra/...ware.htm#knock
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03-14-2011, 09:50 AM
#36
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well crap... I went ahead and got a knocklite from ebay, came Saturday. It doesn't have the wires or the connector that has the 5v signal on it... It only has the 4 main wires, power, ground, rpm and knock signal. No yellow or blue wires to be found.
update: sent email to turboxs to try to feegure out watts up.
update: sent email to turboxs to try to feegure out watts up.
Last edited by ianferrell; 03-16-2011 at 11:49 PM.
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