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I have a couple of Slot.it cars with Oxigen chips installed. Can these be run 'as is' on analogue Scalextric Sport track with Parma analogue controllers or ..... ?

[woodcote]

First - are you sure it's an oXigen chip rather than a Slot.it SSD chip? An oXigen chip will have a Hall sensor running off the board to either the left or right-hand-side of the chassis. The SP15 SSD chip doesn't.

The SP15 - like any standard SSD chip - will work in analogue. Scalextric chips are designed to run in an analogue mode until they detects a digital signal from the track. That's sort of neat, but does cause problems if the digital signal is momentarily lost - the problem being full speed 'runaways'.

An oXigen chip doesn't have a default analogue mode - unless it's the latest Type C chip and is flashed with SSD firmware. Then it behaves just like an SSD chip.

The easiest way is to try the car on an analogue track - I just did with an oXigen chip. All that happened was the red LED on the board came on when I pressed the throttle - it was ready to receive the radio commands from an oXigen controller to make it move.

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Yes, definitely latest Type C Oxigen chip with the Hall sensor. Not sure what software but it's the latest that had to be updated using a Smart device - done for me by the track owner.

Seems the Oxigen chipped cars can be run in analogue mode but only with the associated wireless controller, which is a no-no.
Only analogue Parma and DS resistor controllers allowed, so I guess the cars will have to stay at home. 

Fortunately I have other analogue Sports/GT's I can use.

[Nonfractal]

TD
Wouldn't you be better off just pulling the chip out for analogue racing? 
Many reasons to do this:

- Work around the voltage drop that occurs in all digital chips. 
- Lower the weight and centre of gravity of the car 
- Remove the risk to (blowing up) the expensive chip
- use motors above the chip current spec.

Chips can be easily Swapped in and out using the right connectors.
I usually solder everything in for my oxigen endurance cars but recent changes to the DiSCA GT min weight limit leave plenty of ballast weight that could be put to good use. 
The microsdeans connectors also prevent ( chip threatening ) polarity misconnections.
In this case, using a micro deans connector so that chip swaps could be done mid race without a solder gun being required. 
Alan W

   

[BAracer]

Alan

Do you have a picture of these in place in one of your cars? 

It would just help me understand the circuitry arrangement better.

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It's a while since I ran the Oxigen chipped cars so I thought I'd get myself back up to speed with them and checked them out. I'd forgotten how totally different their setup is to everything else I have, so I'm going to leave them as they are and take something else.

They run magnets, have much modified running gear - offset pods and bearings, uprated motors and different wheel/tyre/axle setups, etc to suit the semi-gloss painted, magnetic-braided custom routed track and since I'd just about hit the sweet spot with them it's a shame to rip them apart to run basically stock, magless on Sport Track.

Horses for courses .....

[Nonfractal]

Alan

Do you have a picture of these in place in one of your cars? 

It would just help me understand the circuitry arrangement better.

Jeremy,
Not at home at the moment so can't take pic of an installation.
But below is sort of how it looks.
1 Connector to the braids paired to one feeding the front of the chip.
1 connector to the motor paired to one from the back end of the chip.

Arranged like this,  chip swap should be simple and quick affair.
A bypass cable could also be made to run analogue or to to skim tyres while in the car.
Ferrite man should be chip-side of the connector, not motor-side so that swapping the chip out removes the ferrite man


Alan
   

[MrFlippant]

The answer to the OP is no. oXigen chips do not have an analog mode. You would need to either:
1 - remove or bypass the chip as explained
2 - short the controller hookup to provide full power to the lane, and drive it as oXigen. Light-based lap counters should work fine, though you might have problems with a dead strip counter.

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Thanks for all the advice. I've decided not to mess with them and take something else instead.