Waveform Demo Board User Manual - Snap-on
Contents
1. 1 A Glitch event occurs approximately every 2 seconds 2 The Secondary output is based on a 4 cylinder vehicle Synchronization of the Secondary is done in combination with the trigger output Synchronize on the trigger when trying to view Secondary faults Setup Signal Channel see KA Time Trigger aai Variable Frequency CH1 OFF 2 0v 2mS Pos 2 5 5 3Hz 950Hz Net ea l em OFF 2 0v 2mS Pos 2 5 OHz 57Hz Variable Voltage CH1 ON 1 0V 500mS Pos 1 0V N A Fuel Injector CH1 N A 10 0V 2mS Neg 10 0V N A Sine wave CH1 N A 2 0V 2mS None OHz 57Hz Secondary TBD TBD TBD TBD TBD TBD Trigger TBD TBD TBD TBD TBD TBD ZEESX306A Rev A 3 Usage Tip Waveform Demonstration Board User Manual To synchronize to the glitches using the variable voltage output 1 Use a 2 channel scope Setup the Variable voltage output on the trigger channel and the signal of interest on the remaining channel Set the variable voltage output to 2 5V or potentiometer POT positioned midway Setup the trigger channel for Failing edge and adjust the threshold to 1 0V The threshold voltage will change if you are trying to trigger on secondary glitch events This is due to the voltage POT being used to select the event When a glitch event occurs on the voltage output the other outputs are glitched as well The glitch on the other signals will be somewhere near the actual voltage glitch ZE2. ESX306A Rev A 4
3. Sapar Waveform Demonstration Board User Manual Functional Description Power Switch 1 2 3 4 5 6 7 Power Indicator Trigger Loop Injector Type switch Normal or Glitch switch Ground connection Secondary connector Voltage Potentiometer Frequency Potentiometer Duty Injector Pulse Width Potentiometer 11 Ground connection 12 Sine wave output connection 13 Variable voltage output connection 14 Frequency output connection 15 Variable Frequency and Duty output connection 16 Fuel Injector output connection 17 9V battery connection SOMO ONOOAKRWN ook 9V BATTERY ANSI 1604A IEC 6LR61 ou selbojouyoe uo dous 002 17 16 1514 13 12 11 10 9 Figure 1 Waveform Demonstration Board outline Safety Notice Refer to your equipment manual for safety and warning messages prior to use 9V Battery Install the 9V battery ANSI NEDA 1604A IEC 6LR61 as shown on the board outline Figure 1 Replace the battery e If circuit operation becomes erratic e If the operating battery voltage drops below 7 0V measured at the battery connector 2003 Snap on Incorporated All rights reserved ZEESX306A Rev A Waveform Demonstration Board User Manual Power Switch and Power Indicator The unit has two power on modes e Mode 1 Automatic shut off The unit will operate for approximately fifteen minutes e Mode 2 Continuous operation The unit will remain on until the
4. power button is pressed Automatic Shut off Mode To turn the unit on Press the Power switch The Power indicator lights To turn the unit off Press the Power switch at any time The Power indicator darkens Continuous Operation Mode To turn the unit on Press and hold the Power switch for approximately six seconds The Power indicator flashes a code and then continues with a light flashing pattern at the rate of flash one second on and three seconds off To turn the unit off Press the Power switch at any time The Power indicator stops flashing and darkens ZEESX306A Rev A 2 Waveform Demonstration Board User Manual Table of Operation Output Injector Type Mare Frequency Voltage Glitch switch z 1 Connection switch setting Potentlometer Potentiometer Potentiometer function Injector Single spike 1 6mS to 8 3mS 3 5Hz to 57Hz N A ie injector Injector Double spike 2 9mS to 9 3mS 3 5Hz to 57Hz N A 29 injector Variable Frequency N A 0 to 100 OHz to 57Hz N A and Duty Frequency N A N A yarang N A N A N A Voltage Sine wave N A N A N A Selects Glitch Potentiometer 2 Secondary Single spike 1 6mS to 8 3mS 415 rpm to 6908 rpm type position A Missing cyl1 B Missing cyl 2 Double spike Fixed at 1 57mS 415 rpm to 6908 rpm C High fire cyl 1 D Low fire cyl 2 Trigger N A No effect 104 rpm to 1727 rpm N A Missing event
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