R-Net Programming

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R-Net Programming

Postby hotwheels_75 » 22 Aug 2019, 20:28

I’ve been testing out my Puma 40. I think it’s supposed to be 8mph chair but it won’t go over 4kmh. I have the OEM programmer and max speed is set to 100%. Everything looks like it’s set correctly. I don’t know if I’m overlooking something or what?
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Re: R-Net Programming

Postby Irving » 22 Aug 2019, 21:32

Download/backup your controller file and post it here so we can see else we're working in the dark. :D
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Re: R-Net Programming

Postby hotwheels_75 » 23 Aug 2019, 02:28

ok Hope I did this right. Saved this today. I haven't changed much at all.
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Re: R-Net Programming

Postby rover220 » 23 Aug 2019, 07:04

there is nothing else you can do, how many poles are on your motors?
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Re: R-Net Programming

Postby Dan » 23 Aug 2019, 07:15

Are you able to take a picture of the label on the motors?
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Re: R-Net Programming

Postby Burgerman » 23 Aug 2019, 07:38

Must be a seating inhibit setting error.

Not related to max speed but how in hell can you steer it set like that? :cussing
Also you wont be able to set the turn acceleration or deceleration, or min turn accel, decel to 100 unless you remove the walls also set to a sill 50% at the moment.


And theres some very dubious looking settings in many places.
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Re: R-Net Programming

Postby wheelie junkie » 23 Aug 2019, 10:22

Drive inhibits could be the cause only band 1 set to 100%, probably worth switching them to 100% in band zero and seeing what happens. Or switching them off.
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Re: R-Net Programming

Postby Burgerman » 23 Aug 2019, 10:26

Are you sure brakes should be set to 24V? They may be burned if not, and not releasing... Theres MANY settings I see that dont look correct.
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Re: R-Net Programming

Postby hotwheels_75 » 23 Aug 2019, 12:07

The chair was given to me this way. I’m not sure what any of the settings are supposed to be. I was told it was originally made by Handicare and came from a UK dealer, sent to Canada as a demo. But with all the proprietary seating stuff and lack of local parts at the time it never got used and sat in a rehab basement for several years.
I’ve been unable to test until yesterday, My buddy just fabricated a temporary seating bracket so I could test it with my backrest. It’s in front wheel drive mode. I’ve only used RWD. I ended up feeling motion sick from the way it handles.

I’ll try to get pic of motors, I’m sure I saw 8 mph somewhere on it.
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Re: R-Net Programming

Postby rover220 » 23 Aug 2019, 12:28

i have got all the stock settings for handicare chairs, put some pics up and i will sort a stock file so you can start fresh with it
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Re: R-Net Programming

Postby Burgerman » 23 Aug 2019, 12:32

I might suggest that you call the manufacturers - now sunrise medical under a new name and see if they have a standard settings file for you. They will need the chairs serial number.

Failing that you will need to understand what you are doing, and reprogram everything or at least check it, and problem solve, to sort it out. UNLESS someone has a chair on here, with the same seating, motors, etc that will emil you their file as a good starting point.

Personally I can just start with a blank slate and configure everything from scratch or a "new" or wrong file.
But I have lots of experience reading and testing to understand what does what and why. For e.g. I have an understanding of how much current a seating actuator will likely take in each direction. Or I can measure it to make sure while the chair has a 130kg user in it. And I understand how the end stop works and why. I took years to figure out the R-Net software and still its complex and gives me a headache at times. Not many can do this as its not intuitive, and I dont get it right first time, may take a week of testing to get things working correctly or at all, and more weeks to fine tune everything.

For now, turn off inhibits, so we know that cant slow it, and try the drive settings I use here so it steers.
http://www.wheelchairdriver.com/program ... ions.R-net

Dont just use that file, copy the FACTORY and OEM settings. And the ABS walls. And then the DRIVE settings if you have normal hand control capability.

And turn off all inhibits to see exactly what is slowing it down. Once you figure that out you can properly set the inhibits later.
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Re: R-Net Programming

Postby wheelie junkie » 23 Aug 2019, 17:48

The inhibits look like seat tilt 0-5º=35% max, 5-21º = 100%speed and 21º+ =35% max. If you had no seat tilt it would be restricted to 35% max speed. As BM says switch inhibits off to test.

Motor settings Max rated speed is 6.4mph so maybe not an 8 mph motor
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Re: R-Net Programming

Postby hotwheels_75 » 24 Aug 2019, 01:59

It was the inhibits. I turned them off and it now goes 10 km/h.

This is my first time using R-Net software. It’s pretty overwhelming compared to the others I’ve used. But I’m willing to take my time and follow some guidance to figure this all out.

When I opened your file BM it said my software is older than what the file was created on. Is it possible to update?

I’ve attached a few pictures hopefully to help identify which settings I should be using.

“Dont just use that file, copy the FACTORY and OEM settings. And the ABS walls. And then the DRIVE settings if you have normal hand control capability.”

I don’t have normal hand control...I have no hand or wrist function so I have to use much tamer settings.

I only turned off the inhibits so far. I’ll work on the rest after I get feedback here.

Also the drive tires are super narrow. Anyone know if bigger tires will fit on the same wheels?
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AB9B56EA-C8FB-4BF9-830F-4A81778B32F4.jpeg
26397A0B-D15F-4E58-9112-20770416EF36.jpeg
70CB1AE7-FD02-4B3F-9CEE-47E22EE3584E.jpeg
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Re: R-Net Programming

Postby Burgerman » 24 Aug 2019, 03:51

Those rims are a bit narrow. 1.75 or 2 iinch so you could but they look very pulled in. They can have 3.00 x 8 tyres.

They are also the same rim fitted to the salsa. Which I replaced with 120/70-8 tyres on 3.5 wide rims.

Is it driving forwards or backwards with a gyro? If its using a gyro you cannot use my settings I dont think. And it will never drive properly. But to use fwd it must have the gyro... So best bet make it rear drive and remove or disable the gyro or accelerometer module, and use my settings for steering etc as above somewhere.

I will PM you a link.
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Re: R-Net Programming

Postby Irving » 24 Aug 2019, 08:01

I think those are the stock wheels 3.00 X 8 on a 2j rim, same as mine. That makes it 65.5cm wide.

You definitely want to turn the seat around and make it RWD. It's easy to do - all the manuals are on the web (if you want a complete set, PM me). The only thing you'll need is a set of RWD anti-tip wheels as they're different to the FWD ones.

Interestingly that doesn't have the standard seat back frame. It looks like its fitted with the "third-party" frame to fit non-Sedeo backs such as a Jay3. Can you take a picture of the back frame please.

What year is yours? I'd imagine the total hours and miles counters are pretty low given it's history.
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Re: R-Net Programming

Postby rover220 » 24 Aug 2019, 08:28

thats a home made backrest frame
you will need a rwd program if you switch itround and you may find your bus cable is not long enough to allow it with out an extension.

3.00-8with a 48mm infill will go on those rims.
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Re: R-Net Programming

Postby Burgerman » 24 Aug 2019, 09:06

Irvings will likely be OK. Or just change yours.
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Re: R-Net Programming

Postby oleg79 » 24 Aug 2019, 09:49

Irving wrote:as a Jay3


it looks like it's a Matrx


youtu.be/9VQ9kuykYxU
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Re: R-Net Programming

Postby Irving » 24 Aug 2019, 10:20

oleg79 wrote:
Irving wrote:as a Jay3


it looks like it's a Matrx


Could be. Whatever it is, it's non-standard.
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Re: R-Net Programming

Postby hotwheels_75 » 25 Aug 2019, 02:32

Burgerman wrote:Those rims are a bit narrow. 1.75 or 2 iinch so you could but they look very pulled in. They can have 3.00 x 8 tyres.

They are also the same rim fitted to the salsa. Which I replaced with 120/70-8 tyres on 3.5 wide rims.

Is it driving forwards or backwards with a gyro? If its using a gyro you cannot use my settings I dont think. And it will never drive properly. But to use fwd it must have the gyro... So best bet make it rear drive and remove or disable the gyro or accelerometer module, and use my settings for steering etc as above somewhere.

I will PM you a link.


Do you have a link for the wheels and tires you used? If I like this chair, I definitely need better bigger tires.

I’m actually not sure on the gyro? I will definitely make it RWD, not a fan of FWD at all. My plan was actually to scrap it and build a new off-road chair from the parts, but it seems like such a nice chair to scrap. I’ll get it tuned up and see how I like it and go from there..

Irving wrote:I think those are the stock wheels 3.00 X 8 on a 2j rim, same as mine. That makes it 65.5cm wide.

You definitely want to turn the seat around and make it RWD. It's easy to do - all the manuals are on the web (if you want a complete set, PM me). The only thing you'll need is a set of RWD anti-tip wheels as they're different to the FWD ones.

Interestingly that doesn't have the standard seat back frame. It looks like its fitted with the "third-party" frame to fit non-Sedeo backs such as a Jay3. Can you take a picture of the back frame please.

What year is yours? I'd imagine the total hours and miles counters are pretty low given it's history.


Are the anti-tips available online anywhere? I think I have the manuals, I have the service manual.

The seat back frame is homemade. I do have the standard sedeo seat frame but need to use my MatrX Backrest. I could have bought the third party frame and actually tried but my supplier wanted over $700 and never got back to me, So I had one fabricated. It needs refinement, it was done quickly just to test fit the chair. I’ll get a pic later and post it.

I’m not sure on the year or hours but it only has 42 km on it.ill make a note of all the info once I get some more help with It.
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Re: R-Net Programming

Postby Irving » 25 Aug 2019, 03:38

There's a few sets of anti-tips on UK eBay at the moment, not sure whether they're RWD or FWD. Rover220 can advise and may have a set.

https://www.ebay.co.uk/itm/173967636131
https://www.ebay.co.uk/itm/264265609172
https://www.ebay.co.uk/itm/264268430316
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Re: R-Net Programming

Postby rover220 » 26 Aug 2019, 19:48

I have one set of rwd anti tips available.
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Re: R-Net Programming

Postby hotwheels_75 » 29 Aug 2019, 20:15

rover220 wrote:I have one set of rwd anti tips available.


Where are you located and can you PM me a price?

How do I tell if it’s using a gyro?

And by needing a new program for RWD I assume you mean changing settings in the R-Net programmer?


A2BCDF33-EE14-41AC-9D1B-F3800A0754AC.jpeg


This is my quick fix seating bracket. Just tack welded from scrap metal and canes from a junked Wheelchair. Will be much sturdier, cleaner and nicer looking hopefully in the final setup. The seating control module is just sitting there till we work everything out.

How’s the torque and range on these Puma 40 6mph chairs?
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Re: R-Net Programming

Postby Burgerman » 29 Aug 2019, 20:20

Torque and range if programmed well are good.

How do I tell if it’s using a gyro?


If you were to try driving it in front wheel drive, at 6mph you wouldnt be able to do it without swapping ends... So it must have a gyro.

And by needing a new program for RWD I assume you mean changing settings in the R-Net programmer?

Thats one way.
The other is to just use a settings file from a rear drive chair.
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Re: R-Net Programming

Postby rover220 » 30 Aug 2019, 03:09

Gyro is a very small module with one bus cable going in. Mounted to left of power module.
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Re: R-Net Programming

Postby hotwheels_75 » 03 Sep 2019, 19:20

My chair doesn’t appear to have a Gyro. I’ve attached pictures of the main controller and the seating controller. There’s only a fuse next to the main controller. I couldn’t see any other modules.

rover220 wrote: you will need a rwd program if you switch itround and you may find your bus cable is not long enough to allow it with out an extension.

3.00-8with a 48mm infill will go on those rims.


Where might I find a part number for a proper bus cable extension? Or the cable itself. After looking, mine is definitely not going to be long enough to reverse the seat.

I also have a 120Amp R-Net controller I’d like to use, is that a compatible swap?
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Re: R-Net Programming

Postby rover220 » 03 Sep 2019, 19:44

yep you dont have a gyro but looks like its a 120a power module and it should be as all puma 40 with 4 pole motor should have a 120a module

i have a couple of rnet extensions but postage will be cost prohbitive for one cable i suspect
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Re: R-Net Programming

Postby hotwheels_75 » 03 Sep 2019, 21:28

Now that I look closer it does look like a 120. I was sure my helper said it was an 80A. Oh well, that saves some work. :)

Where are you located?
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Re: R-Net Programming

Postby Irving » 03 Sep 2019, 21:31

hotwheels_75 wrote:Now that I look closer it does look like a 120. I was sure my helper said it was an 80A. Oh well, that saves some work. :)

Where are you located?

Rover220 is in the UK.
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Re: R-Net Programming

Postby hank » 03 Sep 2019, 21:40

hotwheels_75 wrote:My chair doesn’t appear to have a Gyro. I’ve attached pictures of the main controller and the seating controller. There’s only a fuse next to the main controller. I couldn’t see any other modules.

rover220 wrote: you will need a rwd program if you switch itround and you may find your bus cable is not long enough to allow it with out an extension.

3.00-8with a 48mm infill will go on those rims.


Where might I find a part number for a proper bus cable extension? Or the cable itself. After looking, mine is definitely not going to be long enough to reverse the seat.

I also have a 120Amp R-Net controller I’d like to use, is that a compatible swap?



DEFFO 120Amp from that pic if that is of your chair :dance :thumbup:
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