I don't know specifically how to do what you want to do (yet), but I have to thank you for your question, because looking for an answer led me accidentally to a function I needed for my Phaserunner v1 / v6 explorations and troubleshooting.
So...this is probably going to be complicated, and requires some explanation of the setup, both as it is now where it doesn't work right, and as it was before when it did work fine. So...apologies for the length. I'm very tired after working on this for the last 12+ hours, so I'll probably...
endless-sphere.com
I'm sure the specifics of the Phaserunner don't apply directly to the BAC500, but since the PR is direclty based on the BAC series, then if it is useful, the linked thread shows how to access the list of functions/addresses in the PR setup software (whether or not anything is connected to it), so the list might be useful to you.
The Phaserunner was our first major controller partnership with ASI to bring their high performance field-oriented controller platform into a form factor and connector standard that worked well with ebike systems. It can support up to 72V nominal batteries and works well with systems running...
ebikes.ca
There are some addresses that may directly relate, but I don't know which bits need to be set to what values for your specific firmware. This screenshot shows the ones with Walk in them, for instance:
Also, I have found various posts here and there on this forum and elsewhere that indicate you should be very careful with setting any bits in any addresses unless you are certain that they apply to your specific firmware and hardware, or you can brick your controller. (some of the subsequent posts indicate it might be possible to unbrick if you then use the correct dictionary and settings for that specific firwmare to reset the controller...but I didn't see any confirmations that this actually worked).
While I'm here, do you have a link to any of the "object dictionary" explanation manuals, like the one you've screenshotted? I have tried to locate such documentation anywhere on the internet for weeks, since Grin doesn't provide this for the PR (and ASI doesn't provide it except perhaps to end-users/OEMs that purchased directly from them), but haven't found anything other than threads like this one that have random tiny tidbits of info, and not many of those, and not much info per thread.