Direct ignition

Introduction Specification Software Reference

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Ignition Control application

The electronic ignition include more functions and optional working ignition regimes can be set by a personal computer. For this reason there is a program Ignition Control that also enables online visual control of real values of turns, pre-ignition (set-up time).

Ignition Control Program is divided into four individual parts:

Online visualisation
Ignition advance curve
Extended functions
Sensor calibration

Online visualisation showing this parameters

Engine RPM
Engine advance
Network voltage (Board voltage)
Digital inputs (Pa, Pb, DI1, DI2)
Digital outputs (DO1, DO2)
Analog inputs (AI1, AI2, AI3, AI4)

To run visualization it is always necessary to connect the computer with the ignition by a serial extended cable, to open the communication port and to run the visualization by pressing the button Start. In case that after pressing the button Start the real data do not display please control the connection of communication cable, the number of the used communication port and the voltage of the ignition.

The ignition advance curve

The basic character of the ignition is the directing the ignition advance according to real turns of the engine. To set ignition advance directing characteristics there is Ignition advance curve bookmark.

Flash energy

To optimize the type of the inductors and its excitation there is Flash energy button. It is necessary to set medium or minimum excitation that will protect the inductors against the over excitation and their over heating when using inductors with resistance lower than 4ohm (min 2,5 ohm). If using the inductors with the resistance higher than 4ohm there is medium or maximal excitation settings. The settings of Flash energy directing that directs exciting according to values of board voltage is the compromise of the excitation inductors.

Board voltage	Control flash energy
> 9V	Maximum
9V – 11,5V	Medium
< 11,5V / < 3300RPM	Minimum
< 11,5V / 3300 – 6500RPM	Medium
< 11,5V / > 6500RPM	Maximum

It possible configuration coil current by exciting curve or table. You can set exciting from 20 to 95% per a round.

Pre-defined process of coil exciting

Extended functions

To increase safety of running and also for extended ignition advance curve settings possibilities there are extended functions. It is a file of digital inputs DI1 up to DI4, outputs DO1, DO2 and analogical inputs AI1 up to AI4. The functions of individual extending inputs and outputs can be permitted or inverted.

Power down – 5 up to 120s
Permitting to automatic coil excitation switch-off after asked time of 5 up to 120s passed. It prevents from the coil damage by permanent exciting current.
RPM limit – 1000 up to 25000 turns/min
Permitting turn limit function causes regular interrupting of the coil excitation after exceeding asked turn limits.
RPM stop – 1000 up to 28000 turns /min
Exceeding asked turns causes full interruption of excitation. It will be renewed when stopping the engine.
DI1 – Switch Curve 1/ Curve 2
It enables easy ignition advance curve switch-over whenever the engine is running. If the function is not active Curve 1 is used.
DI2 – Blocked run
It provides the immediate possibility of blocking the engine starting up or running.
DI3 – Blocked run
It provides the immediate possibility of blocking the engine starting up or running.
DI4 – Reserve
The reserved input for the future use.
DO1 – Switch [x1/min]
Output to the speed counter.
DO2 – Switch RPM [1/min]> Asked turns
Output switched according to asked number of turns.
AI1, AI2 – Correction of advance
The base advance curve is functionality of RPM. It possible corection this curve with <-15°;+15°> range by AI1 and AI2 analog input.

Example of calibration sensors in bookmark Sensors Calibration where sensor works in 0-5V range.

0,0V (0%) = 20°C
0,5V (10%) = 22°C
1,0V (20%) = 26°C
1,5V (30%) = 31°C
2,0V (40%) = 37°C
2,5V (50%) = 44°C

The sample of correction is in bookmark Extended function where is advance decrease about 4° for 22°C engine temperature.

Acceleration brake

There is a new function in Online visualization. It is Acceleration brake that realizes fast 5 second engine record with the calculation of the turn derivation (acceleration). It proportionately responds to torsional moment.

Measure process

Check the Engine Turn Limits settings before use
Leave the engine run idly and get ready for its acceleration
Press Start button
Wait exactly 1 second to run the record
Running of the record for 5 seconds
End up the record and read the measured values of turns from ignition
Display and conversion the measured values to the graph

Price 190 EUR

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