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Summary of Contents for Slot.it Oxigen SCP-3
- Page 1 Manual EN 3.0 SCP-3 1.0 1/23 v.1.00 May 5 2020...
- Page 2 Thank you for your purchase. Before ANY further action, the SCP-3 must be ACTIVATED with the Slot.it APP. Without activation the SCP-3 will not work. What is the activation? Very simply, via Bluetooth, the APP reads the network ID (known as MAC) of the controller, writes permanently...
- Page 3 5. So launch the APP (you’ve done that already if you’ve followed steps 1. and 2. ), login if necessary, then click ‘Add’ 6. The APP searches for the SCP3 for a while (you will notice a circle in the middle of the screen), then when the SCP3 is detected, it appears on screen.
- Page 4 At this point you should be familiar with the usual Bootloader procedures. Note that if you choose to upgrade firmware through the Bootloader, then the Nordic APP (and not the Slot.it APP) should be used to perform the upgrade 4/23 v.1.00 May 5...
- Page 5 If powered by the battery, the SCP-3 becomes a wireless, untethered device directly compatible with Slot.it oXigen and Scalextric SSD digital systems. LiPo batteries can be damaged if allowed to discharge below a safety threshold. Our electronics incorporates a circuit which protects the battery against over discharging.
- Page 6 Slot.it and the Slot.it logo are registered trademarks belonging to Galileo Engineering srl. Slot.it is in no way affiliated with Carrera, Hornby Hobbies, Ninco, Tecnitoys; Carrera Pro-X, Carrera Digital 132, Hornby SSD, Ninco N-Digital, Tecnitoys The Digital System SDS, are registered trademarks belonging to their respective owners.
- Page 7 Slot.it SCP-3 1.0 UICKSTART for ANALOG SYSTEM trigger map selector Fast Slow Minimum Voltage Setting (Sensitivity) Red/Green LED Green LED Power Ramp Control fixed red: MAX trigger reached Analog: 100% brake active (AntiSpin) fixed green: MIN trigger reached Double Action Brake:...
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Page 8: Before You Start
BEFORE YOU START Choose a trigger Install the trigger that matches your driving style: short (for one finger) or 'long' (for two fingers). Use the provided screw. QUICKSTART for ANALOG SYSTEMS (SCP-3 with analog cartridge) WHITE BLACK The colour scheme of the SCP-3 cables follows the standard US (Parma) colour coding. In our opinion, it does not make sense to use anything other than red for battery power and anything other than black for ground, however since the long time standard established convention is different, we decided, reluctantly, to follow it. - Page 9 QUICKSTART for oXigen and Scalextric ARC AIR/PRO SYSTEMS . The SCP-3 is directly compatible with oXigen Slot.it wireless digital system. You should not use the old oXigen cartridge (for SCP-1 and SCP-2) with it. An extra Power Amplifier Module is available if you need to cover extra distance.
- Page 10 Please. It is important, otherwise we wouldn't have written it. In particular, advanced users should read the chapter named 'Reprogramming the SCP-2') Complete electronic versions of the manual may be downloaded from the Slot.it site www.slot.it NOW READ THE COMPLETE MANUAL! ORA LEGGERE IL MANUALE COMPLETO! LEA Ud.
- Page 11 Understanding how the SCP-3 works The Slot.it SCP-3 is a sophisticated, microcontroller based, speed controller for slot cars. It has a PWM output for both power and brake, plus a lot of other features. Without entering too much into detail, PWM (Pulse Width Modulation) is one of the possible ways to control the output voltage of an electronic system.
- Page 12 Mode 1 – LINEAR with step Entering Mode 1 Mode 1 is selected by putting the switch on the back of the controller to the 'LIN' (top) position, and back of controller top of controller Slow Fast the switch on the top side, to any position: Using Mode 1 In the development process of the SCP controllers software, at a certain point we started to investigate why a given car, very easy to drive below a given voltage, was very 'rough' and...
- Page 13 than before! So, ideally one would want, in this case, to have a controller, which responded as if the power was 12V in the turns, and 18V in straight lines. From this observation, the 'linear with step' mode was created to keep the power band under control, without sacrificing top speed.
- Page 14 Mode 3 – CURVE Entering Mode 3 Select mode 3 by putting the switch on the back of the controller to the 'CRV' (bottom) position. back of controller top of controller Slow Fast Using Mode 3 The 'Curve' mode is very flexible. By appropriate adjustment of the Curve/Max CM knob, the response curve can be custom tailored.
- Page 15 Obviously, the curve can vary continuously between the one represented with CM=10 and the one with CM=0. The middle curve, with CM=4 is an example of an intermediate situation. The envelope of possible curves, with the above said fixed MS, is explained by the picture right above. What happens now to our curves, if we change the position of the minimum speed (MS) knob? Mode: curve, CM knob = 10 Mode: curve, CM knob = 4...
- Page 16 Mode 4 – GHOST - explained Entering Mode 4 Activate the GHOST (auto run) mode by executing the following actions in sequence: 1. turn the Curve/Max knob completely counterclockwise to 0 2. put the CRV/LIN switch on LIN 3. press HAND BRAKE 4.
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Page 17: Power Trim
SCP-3's controls The SCP-3 has four main knobs, three push buttons, a sliding switch and a lever switch. Power Trim (PT): also known as 'antispin', this knob controls how the power trim strategy delivers the power to the car. no power trim trigger input max power trim power output... - Page 18 Min Speed (MS): this knob sets the starting speed of the car, i.e. the minimum voltage which is applied to the track, when the trigger is pulled just enough to leave the 'braking' area. Also known as sensitivity, in terms of a traditional resistor based controller, it is similar to changing the resistor's value, to get a faster or slower start point.
- Page 19 Brake overrides (analog mode): NOTE: EARLY FIRMWARE MAY NOT HAVE THIS FEATURE YET. There are two ways to change the brake setting on the fly, and temporarily, without altering the base setting selected by the BK knob: Single Shot 100% rake Set Brake 10% 1.
- Page 20 Hand brake (analog and digital mode): The round push button marked 'Hand Brake' is an instant brake, thumb activated. While pressed, power is cut and braking performed according to the BK knob setting. Hand Brake LIN/CRV/OFF selector and Switch (top of controller): The LIN/CRV/OFF selector and the Switches are located respectively on the back and on the top of the controller.
- Page 21 The power MOSFETS used in the SCP-2 are well dimensioned, but this alone is not enough to guarantee a happy and healthy life to your controller. So, the Slot.it SCP-2 continuously monitors the current drain from the track and cuts power if the current is higher than 6A. The situation is checked every few tenths of a millisecond, and if the short circuit goes away, power is restored.
- Page 22 For the user, then, it is now possible to alter the base setting, as if you were using completely different magnets. Please refer to the 'Reprogramming the SCP' document, or to the single-language manual for an explanation of the procedure, all of which are downloadable from the Slot.it web site if everything else fails...
- Page 23 Galileo Engineering srl, Via Cavallotti 16 – 42100 Reggio Emilia, Italy www.slot.it info@slot.it 23/23 v.1.00 May 5 2020...
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