Wideband with DSMlink- Any news on updates?

[gijoe985]

I have done some searching on this. I kept finding posts that were half a year old with people awaiting DSMlink version 3. Did that come out yet?

Either way, I was just wondering if there was a particular wideband 02 that worked well with DSMlink? Long story short, I've been doing my first research into wideband. I looked at the parts page and found lots of packages. It seems like most packages came with logging hardware, but i figured if I got DSMlink there would probably be no need for extra hardware. I am correct? Is it true that the next version of DSMlink should allow for you to monitor in open loop with wideband? Just curious, thanks.

 

[snowborder714]

I have done some searching on this. I kept finding posts that were half a year old with people awaiting DSMlink version 3. Did that come out yet?

Nope. This version has A LOT of work compared to previous versions. You'll know when it comes out, I promise.

Either way, I was just wondering if there was a particular wideband 02 that worked well with DSMlink? Long story short, I've been doing my first research into wideband. I looked at the parts page and found lots of packages. It seems like most packages came with logging hardware, but i figured if I got DSMlink there would probably be no need for extra hardware. I am correct? Is it true that the next version of DSMlink should allow for you to monitor in open loop with wideband? Just curious, thanks.

Here's a list of wideband sensors (and other sensors) that will work with DSMlink. My wideband sensor came with extra software and such, but there is no need because DSMlink does it. Not sure what you mean by 'logging hardware' though.

External Sensor List

 

[kahl23]

Wideband WBo2 3A1/3A2 Technical Information (Tech Edge)

Thats a newer version of the wideband I run now, I believe. The techedge products have all been pretty good for me, and if thats the newer equivalent of what I have, then its pretty much just the stuff you need for 'link. Also, if you have a copy of 'link now, you might want to check out DSMLink User Group Forums for more DSMLink specific questions.

 

[gijoe985]

. Not sure what you mean by 'logging hardware' though.

Well I admit I made that statement without researching much. I just noticed that most of the wideband kits had "boxes" and stuff in the pictures. I was assuming that was the hardware that logged the wideband info. I then have made another assumption that those would not be needed with DSmlink, so I'd rather buy something that I wasn't paying for something I didn't need.

I openly admit I haven't done as much research about this topic as I normally do before I post, but your answers have both been helpful.

I am guessing there is no theorized date for the DSMlink release? Or a new price? I am assuming it'll be more...

 

[jaday]

Nope, no date yet... it'll be a while... like said above, trust us, there will be threads popping up all over the place when anything definitive is announced!

 

[snowborder714]

Well I admit I made that statement without researching much. I just noticed that most of the wideband kits had "boxes" and stuff in the pictures. I was assuming that was the hardware that logged the wideband info. I then have made another assumption that those would not be needed with DSmlink, so I'd rather buy something that I wasn't paying for something I didn't need.

It's ok. Some wideband kits come with a box that does do logging. Others are just a display, instead of a guage.

For example, the black box that comes with this unit is a logger and display - LM-1 Wideband O2 Digital Air/ Fuel Ratio Meter | Lambda Sensor Controller

And most of the time, if you're going to have the wideband sensor as an input to DSMlink, you will not need any of the boxes that come with the kits. Most people just run a sensor right into DSMlink.

I am guessing there is no theorized date for the DSMlink release? Or a new price? I am assuming it'll be more...

And you are correct on all of that.

 

[FORMONTOYA]

The "boxes" that come with most WB kits are the controller (used to calibrate the WB signal)...without it you ain't doin' shit.

My PLX for example, has a "box" (controller) as do most units on the market. You just use the 0-5v out and wire that into your ECU (can't remember which pin off hand) for DSMLink.

 

[snowborder714]

I stand corrected.

 

[nc90awd]

I use an aem wb with my dsm link and my friend uses a plx wide band. Both of them work great with dsm link.

 

[rjclagett]

I use an aem wb with my dsm link and my friend uses a plx wide band. Both of them work great with dsm link.

What sensor input are you using to log it? I used the egr sensor, but now I hear 1g's can only accurately log through the Iat/Baro sensor?

 

[nc90awd]

I am using the baro input. I thought egr or baro would work fine but maybe not?

 

[gijoe985]

I figure this would be a good question for the dsmlink forum, but I'm not a member yet, nore do I own it yet. Either way, do you guys think running open loop with wideband is better, or closed loop? Or is this not available until the next version...?

 

[turbosax2]

What sensor input are you using to log it? I used the egr sensor, but now I hear 1g's can only accurately log through the Iat/Baro sensor?

I am using the baro input. I thought egr or baro would work fine but maybe not?

External Sensor Input

 

[steve]

I figure this would be a good question for the dsmlink forum, but I'm not a member yet, nore do I own it yet. Either way, do you guys think running open loop with wideband is better, or closed loop? Or is this not available until the next version...?

Your question doesn't make any sense.

The only interaction here is when your wideband controller has an output that simulates a narrowband sensor. Then you can use it to provide feedback in closed loop. Without it all you get by adding a wideband O2 sensor and hooking it up to the ECU is the ability to log the AFR along with the other engine parameters.

 

[GVR4592]

What sensor input are you using to log it? I used the egr sensor, but now I hear 1g's can only accurately log through the Iat/Baro sensor?

ECMTuning - Buffer Circuit Order Form

I believe I was the first, or one of the first people, to test this circuit for Dave a couple years ago. It actually works really well. I used it with a PLX and then the AEM UEGO on the egr-t input(pin 15), and both worked pretty well. Without the circuit dsmlink wouldn't display my wideband data below 11:1 A/F and even at 11:1, it was still about 1 point off from the PLX display.

 

[gijoe985]

Your question doesn't make any sense.

The only interaction here is when your wideband controller has an output that simulates a narrowband sensor. Then you can use it to provide feedback in closed loop. Without it all you get by adding a wideband O2 sensor and hooking it up to the ECU is the ability to log the AFR along with the other engine parameters.

I was under the impression, from another thread, that you could use the wideband to run in open loop in conditions that it'd normally go to closed loop. I thought I read that it was a new dsmlink feature thats coming out. could be totally wrong, but that's what I remember reading.

 

[snowborder714]

I was under the impression, from another thread, that you could use the wideband to run in open loop in conditions that it'd normally go to closed loop. I thought I read that it was a new dsmlink feature thats coming out. could be totally wrong, but that's what I remember reading.

There has been a lot of 'features' that have either been guessed, requested, or otherwise stated that should be on V3. I wouldn't go by almost everything that you hear or read, unless posted by Thomas Dorris (the guy who came up with DSMlink).

 

[steve]

I was under the impression, from another thread, that you could use the wideband to run in open loop in conditions that it'd normally go to closed loop. I thought I read that it was a new dsmlink feature thats coming out. could be totally wrong, but that's what I remember reading.

I think you might be confused about what open and closed loop are. They refer to feedback from a sensor as input to the control process. If you modified the ECU to process a signal from a wideband O2 sensor and change the AFR based on that input you would be creating a different form of closed loop operation. Open loop means then that you have no feedback.

The current ECU software uses feedback from a narrowband O2 sensor to maintain a stoichiometric AFR and runs open loop whenever a different AFR is desired. You know when the ECU is running closed loop when you see the O2 voltage swing/switch around the 0.45-0.5v output that indicates a stoichiometric ratio.

Tom has said for V3 "We also have some version of closed loop wideband control working. That is, using the wideband signal for normal closed loop mode operation, freeing up another ECU input. I ran this to pass my last emissions test and it seems to be working fine."

That means they can take the wideband 0-5v output from the controller and use it for maintaining a stoichiometric ratio rather than needing a narrowband sensor or a WB controller that simulates a NB output.

Guys have been doing this in EPROMs for a couple of years.

When asked about autotune (closed loop for WOT operation) Tom said "Our general opinion on autotune is that it is lame. On a properly equipped car that's behaving in a predictable manner, there should be no need for an autotune feature. And autotune on a car that's not behaving in a predictable manner could well be disasterous."