setting xTau to zero
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0). For tuning/troubleshooting questions, please attached a datalog and your MSQ file to your post.
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
setting xTau to zero
The manual indicates that xTau can be set to zero at one or more map/rpm boxes as a place holder to keep xTau running without making any correction. Can someone tell me how to do this? Megatune and TunerStudio both auto correct zero entries. Thanks
Re: setting xTau to zero
There is a disable switch for x-tau. That is the best way to disable it and all the inputs are left intact. If you want to just disable, for example, the deceleration side, then you can set The Xdecels to 0 and leave the Taus alone.
Re: setting xTau to zero
Thanks for the quick feedback. I like the way xTau works. I just don't want it on at idle. If I enter zero in x at 900 rpm it is adjusted to 5. If I enter zero in T at 900 rpm it is adjusted to 2. These low numbers (relative to other entries of 30% and 400 msec) seem to work OK, but they are not zero as described in the manual. While I'm asking, what are good starting point entries for deceleration? Thanks.
Re: setting xTau to zero
These limits are in the ini file not in the code. You can change them by, after making a copy of the original ini with a different name, bring it up in a text editor, and find the first instance of XAccTable. At the end of that line you will see the limits of 5.0 to 90.0. Change the 5.0 limit to 0.0. Right after that is the XDecelTable with the same limits. Also change that limit to 0.0 and save the file.
As far as entries for deceleration, start at XDecels = 0 and see what happens on a sudden stop and go up from there. Engines are much more forgiving in the decel direction.
As far as entries for deceleration, start at XDecels = 0 and see what happens on a sudden stop and go up from there. Engines are much more forgiving in the decel direction.