List of RWD chairs available in US. Any additions?

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Re: List of RWD chairs available in US. Any additions?

Postby Raro » Today, 12:11

Burgerman wrote:He would have removed it presumably. It doesent speak roboteq...

That's why I'm asking; I don't know how he adapted it, since it's a complete rehabilitation chair with Roboteq.
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Re: List of RWD chairs available in US. Any additions?

Postby Burgerman » Today, 13:01

I dont know but I suspect he just binned all the permobil nonsense and dirctly controls the actuators. They are just motors. Thats what I would do.

A 48V to 12 or 24V inverter and a switch or two.

In a normal chair non rehab chair all the joystick does is steer the chair via a simple cable to the motor controller. And that has a battery in, and 2 motor out connectors. Thats all it needs to do.

All the rest is just integrated nonsense $$$ to make everything look and be complicated to make it "theirs"... So you are tied into the permobil family for parts and maintainance.

All you need to work an actuator is power and a switch.
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Re: List of RWD chairs available in US. Any additions?

Postby Burgerman » Today, 13:24

Look at the pics below.
Theres many types of switches.
Those shown are 3 POSITION MOMENTARY. Meaning they return to the centre on their own. They are also double pole too. Each one can control an actuator up/down with no electronics at all. Or 2 or 3 actuators at once.

So a box with 4 tiny switches in it, DIY or a reused CTRL5 box, can already do Tilt, Lift, Recline, Power foortrest. And the 5th one cold do maybe a combination of tilt/recline/legs.

To do that you need one 10 core cable to your switches. And a soldering iron.

Whats the ics box actually for?
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Re: List of RWD chairs available in US. Any additions?

Postby Burgerman » Today, 13:25

Look at the pics above.
Theres many types of switches.
Those shown are 3 POSITION MOMENTARY. Meaning they return to the centre on their own. They are also double pole too. Each one can control an actuator up/down with no electronics at all. Or 2 or 3 actuators at once.

So a box with 5 tiny switches in it, DIY or a reused CTRL5 box, can already do Tilt, Lift, Recline, Power foortrest. And a 5th one cold do maybe a combination of tilt/recline/legs.

To do that you need one 10 core cable to your switches. And a soldering iron.
https://www.wheelchairdriver.com/board/ ... =2&t=12963

Whats the ics box actually for? Its for permobils $$$ fund and their job creation scheme!
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Re: List of RWD chairs available in US. Any additions?

Postby Burgerman » Today, 13:44

48V in. 24 or 12V 10A supply, depending on what you need out. You need one anyway for roboteq for brakes etc. So will already have 12 or 24V to connect up to.
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Re: List of RWD chairs available in US. Any additions?

Postby Raro » Today, 16:49

That's the simplest way, although it adds a lot of cables to the button panel and you lose the memory for the seat positions (the original ICS works with three tiny cables through some kind of CAN system, I suppose). I don't know if there's any way to power the ICS module without connecting it to the original control unit of the chair.
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Re: List of RWD chairs available in US. Any additions?

Postby Burgerman » Today, 17:04

No a chance I would have thought.

Nor would I want to.

When you say all those cables, a single small box with tiny 3 way buttons, with a multicore wire that looks like a USB cable is all thats going to be visible...

Less messy than the normal permobil buttons!

You could even use tiny RC miniature ones. So could build a switch box the size of a box of matches.

https://www.amazon.co.uk/Heschen-Moment ... B07H5N3W2X

11 mm wide each. So 4 will fit a 44mm wide box. Thats under 2 inches. And theres black rubber covers. For 5 uk pounds the lot!
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Re: List of RWD chairs available in US. Any additions?

Postby Burgerman » Today, 17:20

You would need a plus and minus. To daisy chain every switch.
And 2 wires to every seat actuator. Thats it. Plug and play. Would add a 5A fuse at the supply side.

One of these, a rubber cable relief, or a 25 pin sub D connector. And add a USB charger while at it...

Done!

https://www.amazon.co.uk/Electrical-Jun ... B0F9WJNTNF
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