FW Murphy IntelliSpark Operation Manual
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FW Murphy IntelliSpark Operation Manual

Ignition systems
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Ignition Systems
Operation Manual
00-02-0893
2014-07-18
Section 40

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Summary of Contents for FW Murphy IntelliSpark

  • Page 1 Ignition Systems Operation Manual 00-02-0893 2014-07-18 Section 40...
  • Page 2 BEFORE BEGINNING INSTALLATION OF THIS FW MURPHY PRODUCT:  Read and follow all installation instructions.  Please contact FW Murphy immediately if you have any questions.

  • Page 3: Table Of Contents

    Table of Contents Product Description ........................3 Technical Overview ......................3 Operational Requirements ......................3 Power Supply .......................3 Ignition Enable ......................3 Crank and Cam Signals ....................3 Operating ............................. 4 Display Functions: Main Menu ..................4 Engine Start Up......................5 Engine Run Mode ......................6 Spark kV Page ......................7 Engine View Page ......................9 Diagnostic Log Page ....................
  • Page 4 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 5: Product Description

    A unique feature of this product is the patented spark plug demand voltage measurement that is available through the use of any IntelliSpark smart coil. It allows the system to:  Measure demand on each cylinder’s plug for diagnostic purposes.

  • Page 6: Operating

    Operating Display Functions: Main Menu Figure 1.0 shows the Main Menu screen seen after power is applied. For approximately 8 seconds the screen displays “Initializing…” During this time, the display is establishing communications with the controller and its initializing parameters. The button labels along the left side show from top to bottom: Operator Page: This button changes the screen to the first page of the operation page section.

  • Page 7: Engine Start Up

    The Display Communications Status LED indicates the display is properly communicating with the controller (green). If communications are interrupted, this LED will turn red. During initialization, this LED will be red until the communication test passes near the end of the initialization.

  • Page 8: Engine Run Mode

    Figure 3.0 shows the page contents during a typical cranking phase. For this example, the PIP count is perfect at 207 teeth counted out of 207 programmed. The Ign On Relay LED is green indicating that it is firing the coil drivers and that the relay is on. When this relay turns on the fuel valve, the engine should start to pick up speed.

  • Page 9: Spark Kv Page

    Spark kV Page Once the system has entered the normal running mode, the display offers some unique insight into the operation of an ignition system. As mentioned in the overview, one of the key features is the ability to display actual spark gap breakdown voltage. Since the voltages required to breakdown the gap are in the order of kilovolts, we refer to these parameters as kV values.
  • Page 10 There is an energy mode selection, Auto or Manual. In the Manual mode, the tank voltage and energy stay fixed at the user programmed level. In the Auto mode, the tank voltage is adjusted to provide enough energy to fire all of the plugs but keeps it as low as possible. This helps reduce plug erosion and thus extend plug operating hours.

  • Page 11: Engine View Page

    Engine View Page The Engine View button takes the user to a page that shows the engine block and each cylinder. The cylinders are color coded to show the status of the kV values. Figure 7.0 shows the 16 cylinder engine view. In the engine block view page, the firing order is presented along the top of the page.

  • Page 12: Diagnostic Log Page

    If the user selects an engine in the data base provided in the display, the firing order will be known and the wiring color code will be shown on this page. If the user provides a custom firing order, the display will still organize the wiring and show the proper wire by color code that should go to each cylinder, taking into account the user-entered firing order.

  • Page 13: Data Page

    Data Page The Data Page shows a set of variables that are useful to know during operation. All of these parameters are explained in the help pages accessed from the main menu. Figure 9.0 Data Page In the example page shown in figure 9.0, the PIPs actually counted are 183, and PIPs that the user entered into the program are 182.

  • Page 14: View/Edit Setpoint Page

    3 hours and 23 minutes earlier. If the engine was running at that time, and power was cycled, the IntelliSpark will not fire the unit and will shutdown showing Speed > Reset fault. This means the system came out of the power up reset state and saw the engine had an RPM >...
  • Page 15 The parameters can be saved in non-volatile memory so they remain after power is removed. If the engine is running at the time the SAVE button is pressed, the page will display “Save Pending…” meaning it must wait for the engine to be shut down before it reprograms the memory.
  • Page 16 Once the passcode has been accepted and the user is on the editing page, there is a button labeled “More” which will bring him to another page that gives him access to two factory-set parameters. Figure 12.0 Factory Setpoints These parameters are set during a final factory test. They affect the kV measurement sub- system.

  • Page 17: Shutdown And Alarms Page

    Shutdown and Alarms page Selecting this page takes the user to the page depicted in Figure 13.0. The top area of the page is used to post shutdowns, and the lower part of the page is used to post alarms. Figure 13.0 Shutdowns and Alarms Page When the engine is running, the Active Shutdown will show “No Shutdowns.”...
  • Page 18 or alarm bell. The alarm will remain posted until the source of it is fixed and the user presses the Clear Alarm button. Figure 14.0 Ignition Fault shows the screen after the user pressed the Alarm Ack. Button. Figure 14.0 Ignition Fault screen view In the above example, the user is asked to view the Diagnostic Log Page.
  • Page 19 Figure 16 shows a typical display of data after the engine is started using one of the camless methods. The engine is a 16 cylinder; therefore, eight coils are used in the test firing phase. The cylinders used always start with the second cylinder in the firing order, which in this case is cylinder 1R according to the firing order.

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