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POWER-CDI-M4S
Capacitive ignition for bikes with DC 12V Power
Detailed Description
POWER-CDI-M4S is a programmable capacitive ignition. It is designed for pick-up systems, as on next figure (drawing in TOP position). It can be used by several motorbike types e.g. XT600 older model, KLR600 older model, CBF250 and models with a compatible ignition system with 12V DC power.
Important: The adjusting range of POWER CDI-M4S is dependent of the base advance on flying wheel. In some cases the flying wheel has to be modified to set the adjusting value range.
System 1 System 2 System 3
  
Hardware
Ignition is suffused by PU plastic into plastic box. The ignition is terminated with harness of wires with connectors (1 + 2 + 3 + 6 pins connectors).
yellow inlet for crankshaft position sensor ( CKPS ) (Don't connect AC power from Ignition rotor, CDI will be damaged !!!)
blue ground (for CKPS)
green input 1 (INPUT 1)
black input 2 (INPUT 2)
grey input 2b
violet output for Gear shift light (GEAR SHIFT LIGHT)
red supply +12 V (no AC 12V, this will damage the POWER-CDI-M4S)
blue ground
orange output to inductive coil IC
yellow/green output to tachometer TACHO
Input 1 (green)
It possible to choose one of the following functions:
1) OFF – no function.
2) KILL SWITCH – If the input is connected to ground, the ignition is blocked.
3) CLUTCH MASTER - If the input is connected to ground, the ignition is blocked for by software-preset time.
4) RETARD - If the input is connected to ground, the advance is decreased by preset value.
5) START LIMITER - If the input is connected to ground, the limiter is working with value of start limiter.
* The Start Limiter function can be used as rpm limiter on demand.
Input 2 (black)
1) OFF - no function.
2) BLOCKING - If the input is not connected to ground, the ignition is blocked.
3) CLUTCH MASTER - If the input is connected to ground, the ignition is blocked for by software-preset time.
4) RETARD - If the input is connected to ground, the advance is decreased by preset value.
5) START LIMITER - If the input is connected to ground, the limiter is working with value of starting limiter. * The Start Limiter function can be used as rpm limiter on demand.
State of inputs is displayed by software POWER-CDI-M4S.EXE.
Input 2b (grey)
This input is for separate connection of side stand switch and neutral switch by blocking.
Supply +12 V.
Nominal Supply voltage is 14 V. It must be within 8 - 16 V range. In this range the unit is able to provide optimal control of all the processes. If supply is greater than 18 V, ignition is OFF.
(no AC 12V cause this will damage the POWER-CDI-M4S)
Inductive coil IC.
Induction coils outputs are ready for standard types, designed for capacitive ignition and used on motorbikes (primary coil resistance approx. 0.5 Ohm).
Revolution indicator output TACHO.
The tachometer indicator output is compatible with major part of board devices used on motorbikes (1 puls / rev.).
Output for GEARSHIFT LIGHT (violet)
Maximal current is 5 A (lamp max. 50 W). Revolution for gearshift light is set by software POWER-CDI-M4S.EXE.
One outlet of gearshift light should be connected to connector (violet) and other to switched +12 V.
Connection to PC.
Connection to PC is realized by 9-pin serial port (COM).
Software POWER-CDI-M4S.EXE
Pull down menus
File - includes items New - default settings
Open - opens data file
Save - saves data into file
Print - prints the current settings
Exit - exits the program
Port - includes items Com1 to Com10 - selection of communication line
Device - includes items Read - reads data from the unit
Verify - compares data in PC with data in the unit
Program - sends data to the unit and conducts verification
Tools - include items of collective settings
Language - language settings: English, Czech, French and German
Help - includes items Help - (planned)
About the program - data on the software (version, date)
Icons menus
 - Default settings
Warning!!! Clicking this icon results in automatic default settings of all parameters
 - opens data file
 - saves data file
 - prints the current settings
 - see pull down menu Device
Setting element
15 adjustable options for revolution/advance
Collective adjustment of the whole advance curve can be done by collective change tool ( + and - buttons with selection All )
When the motor is running current segment is highlighted in the advance curve. Use of collective change tool + and - button without selection All - just the current segment will be changed.
Number of items - here is it possible to set number points of advance curve
Base advance - here is necessary inscribe value of base advance (by figure 1)
Setting of pick up system - standard, Kawasaki KLR 600 older model or Yamaha XT 600 older model
Ignitions per revolution - setting of engine configuration
One cylinder, parallel two cylinder, engine with opposed cylinders=1
Two cylinder 2x 180° =2
Three cylinder 3x 120° =3
Limiter - setting of maximal revolution.
Start limiter - setting of maximal revolution for start limiter
Retard - setting of value for reduction advance by retard.
Clutch master time - setting of clutch master time
Clutch master pause - setting of clutch master off time.
Programming after a change - automatic programming settings (after every change)
Option for CKPS polarity.
Ignition can work with both polarities of CKPS ( Positive or Negative ). Appropriate polarity can be set by software POWER-CDI-M4S.EXE.
Positive polarity of CKPS:
Negative polarity of CKPS:
If is impossible to determine polarity, third option Self search can be used. This option bat can bring some problems, especially for engines without starter.
Number of programming: - number of times the unit has been reprogrammed
File: - full path of using file
Monitor
Monitor is located on the right and lower side of the screen – sensor values and motor operational characteristics can be observed here. If there is No connection with PC displayed in the upper right corner, the unit is not connected or the Com is not proper set.
RPM - engine revolution [1/min]
Advance - ignition advance [°]
Pick up - displaying whether pick up is running or stopped
U - supply voltage [V]
Kill switch - displaying whether kill switch is on or off
Retard - displaying whether retard is on or off
Blocking - displaying whether blocking is on or off
Start limiter - displaying whether start limiter is on or off
Clutch master - displaying whether clutch master is on or off
Polarity of CKPS - displaying polarity CKPS
Wireing Plan
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