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2013 High Tech Update - L973D1 973D - 2013 High Tech Update.

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Presentation on theme: "2013 High Tech Update - L973D1 973D - 2013 High Tech Update."— Presentation transcript:

1 2013 High Tech Update - L973D1 973D - 2013 High Tech Update

2 2013 High Tech Update - L973D2 973D - 2013 High Tech Update PicoScope Advance Features Objectives –Proficiency with PicoScope Advanced Features: Triggers Rulers Masks Alarms Reference Waveforms –Manipulate and Save Waveforms Load and view saved waveforms –Use of the Toyota Waveform Library Load “Known Good” waveforms Compare “Known Good” waveforms to live data

3 2013 High Tech Update - L973D3 973D - 2013 High Tech Update PicoScope Software This is the Windows Command Bar that loads with PicoScope for TMS*. It includes the Demo Device software * With the PicoScope plugged into the computer.

4 2013 High Tech Update - L973D4 973D - 2013 High Tech Update PicoScope Software “PicoScope TMS” links to the PicoScope software with the “Automotive” database and the “Demo” program. “TMS Database Launcher” Links to the Lexus Waveform Database and launches the PicoScope software with the link to that database. Open the “Start” menu now and launch the “PicoScope TMS” Software.

5 2013 High Tech Update - L973D5 973D - 2013 High Tech Update PicoScope Software

6 2013 High Tech Update - L973D6 973D - 2013 High Tech Update PicoScope Screen Divisions Time  10 Divisions  Voltage  10 Divisions

7 2013 High Tech Update - L973D7 973D - 2013 High Tech Update PicoScope Screen Defaults The default position for “0” on the vertical axis is in the center of the screen. The default position for “0” on the horizontal axis is at the left of the screen.

8 2013 High Tech Update - L973D8 973D - 2013 High Tech Update PicoScope Screen If the “0” point on the vertical axis does not line up with a hash mark, the “0” position is indicated with a dash.

9 2013 High Tech Update - L973D9 973D - 2013 High Tech Update PicoScope Toolbars PicoScope Tool Bars Scope Mode. This sets up PicoScope to operate as an oscilloscope. This is the default. Auto Setup. Clicking on this icon sets up the timebase and signal range (voltage) to display the signal. This is usually a good starting point. Home. Restores PicoScope to its default settings. Equivalent to the File > Startup Settings > Load Startup Settings command. Timebase Control. Sets the time represented by a single division of the horizontal axis when the horizontal zoom control is set to x1 Horizontal Zoom Control. Usually set to x1. Used to stretch the waveform along the horizontal axis without changing the voltage scale.

10 2013 High Tech Update - L973D10 973D - 2013 High Tech Update PicoScope Channel Toolbar Channel Toolbar for Channel “A”. Channel Options button. Opens the Channel Options menu with options for: Probes Resolution enhancement, Scaling and filtering. Range control. Sets up the scope device to capture signals over the specified range of values. In “Auto” PicoScope continually adjusts the vertical scale to the Waveform. Coupling Control. Sets up the input circuitry. AC coupling: Rejects frequencies below about 1 Hz. DC coupling: Accepts all frequencies from DC to the scope's maximum bandwidth.

11 2013 High Tech Update - L973D11 973D - 2013 High Tech Update PicoScope Probes Channel Options Icon / Menu Built-in probes. The built-in probes are supplied by Pico and do not change unless you download an authorized PicoScope update. PicoScope Probes Menu

12 2013 High Tech Update - L973D12 973D - 2013 High Tech Update PicoScope Probes Hint: The Channel Options icon is greyed out when the Input Range for the channel is “Off”.

13 2013 High Tech Update - L973D13 973D - 2013 High Tech Update Overrange Indicator Set the voltage range to 2 volts

14 2013 High Tech Update - L973D14 973D - 2013 High Tech Update Overrange Indicator This symbol indicates that the trace is off the screen. The Overrange Indicator will appear when the input exceeds the channel’s range After observing the Overrange Indicator, set the range on channel “A” back to “Auto”.

15 2013 High Tech Update - L973D15 973D - 2013 High Tech Update Choosing Triggers

16 2013 High Tech Update - L973D16 973D - 2013 High Tech Update Setting Triggers This is the Trigger Menu The Trace will not start until the voltage level rises by.215 volts

17 2013 High Tech Update - L973D17 973D - 2013 High Tech Update Set a Trigger to Stabilize the Pattern Click on “Auto” Set a Trigger to stabilize the pattern Drag the “Trigger Diamond” up from “0” volts to stabilize the trace

18 2013 High Tech Update - L973D18 973D - 2013 High Tech Update Stopping the Trace Start and Stop buttons Hint: The trace can be started and stopped with the space bar, but only if your last mouse click was on the white portion of the screen.

19 2013 High Tech Update - L973D19 973D - 2013 High Tech Update PicoScope Toolbars (Continued) Samples Control. Sets the maximum number of samples that will be captured for each channel. The Buffer Navigation Toolbar allows you to select a waveform from the waveform buffer. The Buffer Navigation Button in the Button Navigation Toolbar allows quick navigation of saved waveforms in the buffer. Waveform Number Indicator. Shows which waveform is currently displayed, and how many waveforms are currently in the buffer.

20 2013 High Tech Update - L973D20 973D - 2013 High Tech Update PicoScope Toolbars (Continued) Normal Selection Tool. Use this pointer to click buttons, drag and operate any other controls in the PicoScope window. Hand tool. Use to click and drag the view to pan it vertically and horizontally when you are zoomed in. Zoom-In or Zoom Out Tool. Turns the pointer into a zoom-in or zoom out tool. Marquee Zoom Tool. Use it to draw a box (called a marquee) on the view and PicoScope will magnify that box to fill the view. Zoom to full view. Resets the view to normal size. The view will no longer have scroll bars, and panning will no longer be possible.

21 2013 High Tech Update - L973D21 973D - 2013 High Tech Update Timebase Rulers Change the scaling on the NE waveform to 50% To add the NE waveform To the display, change channel “D” to “Auto”

22 2013 High Tech Update - L973D22 973D - 2013 High Tech Update Timebase Rulers The timebase rulers display RPM and Hz here.

23 2013 High Tech Update - L973D23 973D - 2013 High Tech Update Horizontal (Voltage) Rulers To display Injector Amps, Set channel “B” to “Auto”

24 2013 High Tech Update - L973D24 973D - 2013 High Tech Update PicoScope File Menu This is the File Drop Down Menu

25 2013 High Tech Update - L973D25 973D - 2013 High Tech Update PicoScope Edit Menu This is the Edit Drop Down Menu When you click on “Notes” this Notes Field opens at the Bottom of the Screen

26 2013 High Tech Update - L973D26 973D - 2013 High Tech Update PicoScope View Menu This is the Views Drop Down Menu

27 2013 High Tech Update - L973D27 973D - 2013 High Tech Update Waveform Properties The “Properties” tab in the Views drop down menu displays waveform information.

28 2013 High Tech Update - L973D28 973D - 2013 High Tech Update PicoScope Measurements Menu This is the Measurements Drop Down Menu Hint: When measuring between rulers, capture more than 2 cycles.

29 2013 High Tech Update - L973D29 973D - 2013 High Tech Update PicoScope Tools Menu This is the Tools Drop Down Menu This is the “General” tab under “Preferences”.

30 2013 High Tech Update - L973D30 973D - 2013 High Tech Update PicoScope Tools Menu This is the Tools Drop Down Menu This is the “Colors” tab under “Preferences”. Hint: To change the colors on a previously saved waveform, change the colors prior to opening the waveform.

31 2013 High Tech Update - L973D31 973D - 2013 High Tech Update Starter Draw Worksheet This Worksheet Highlights Triggers and the use of the 600a Amp Clamp.

32 2013 High Tech Update - L973D32 973D - 2013 High Tech Update Starter Draw Worksheet The Starter Draw worksheet requires 3 captures: 1.Normal Start 2.Starter draw with Injection fuse pulled. 3.Starter draw with Injection fuse pulled and one spark plug removed. All traces should span the entire screen. Starter Draw Worksheet Common Issues: Amp Clamp: Amp Clamp not turned on. Amp Clamp battery weak. Amp Clamp not zeroed. Amp Clamp on backwards. Incorrect range selection Trigger: Set on the incorrect channel. Set out of range Set on falling trace.

33 2013 High Tech Update - L973D33 973D - 2013 High Tech Update Starter Draw Worksheet Amp clamp on Backwards The Amp Clamp can only measure 100 amps in the negative direction. This results in the trace going off the screen.

34 2013 High Tech Update - L973D34 973D - 2013 High Tech Update Starter Draw Worksheet Trigger set on Channel “A” Since the PicoScope is in “streaming” mode, and the trigger is not met, the waveform does not start. Instead, it streams off the left of the screen.

35 2013 High Tech Update - L973D35 973D - 2013 High Tech Update Starter Draw Worksheet

36 2013 High Tech Update - L973D36 973D - 2013 High Tech Update Starter Draw Worksheet Review 1.Normal Start Animations\Starter Worksheet Waveform 1.psdata 2.Starter draw with Injection fuse pulled. Animations\Starter Worksheet Waveform 2.psdata 3.Starter draw with Injection fuse pulled and one spark plug removed. Animations\Starter Worksheet Waveform 3.psdata

37 2013 High Tech Update - L973D37 973D - 2013 High Tech Update Masks Increase the “Y” Offset to make the Mask less sensitive Generate a Mask of Waveform “D”

38 2013 High Tech Update - L973D38 973D - 2013 High Tech Update Masks

39 2013 High Tech Update - L973D39 973D - 2013 High Tech Update Masks Hint: Disable the Mask before saving the waveform.

40 2013 High Tech Update - L973D40 973D - 2013 High Tech Update Alarms Must be checked to be enabled To display channel “D”, set it to “Auto”.

41 2013 High Tech Update - L973D41 973D - 2013 High Tech Update Mask & Alarm Worksheet The Mask and Alarm Worksheet Requires 1 capture: 1.Parasitic Draw Mask with Alarm set to: Beep. Save current waveform. Vehicle Setup: Place amp clamp on battery cable with arrow towards negative. Hood closed or Hood latch latched. All doors locked and Smart Key out of range. Amp clamp zeroed. Amp clamp turned on. Alarm: Disable mask and alarm before saving PicoScope file. Sample Alarm Capture: Animations\parasitic draw mask fail.psdata

42 2013 High Tech Update - L973D42 973D - 2013 High Tech Update Mask & Alarm Worksheet

43 2013 High Tech Update - L973D43 973D - 2013 High Tech Update Reference Waveforms

44 2013 High Tech Update - L973D44 973D - 2013 High Tech Update Using Reference Waveforms

45 2013 High Tech Update - L973D45 973D - 2013 High Tech Update Using Reference Waveforms Live

46 2013 High Tech Update - L973D46 973D - 2013 High Tech Update Scaling / Offset Controls Scale Control Offset Control Delay Control Send to back Bring to front

47 2013 High Tech Update - L973D47 973D - 2013 High Tech Update Reference Waveform Worksheet The Reference Waveform Worksheet Requires 2 captures: 1.Capture a Fuel Pump Waveform. Use the Techstream Active Test to turn the Fuel Pump on and off. Save the waveform. 2.Using the Waveform that you saved in step 1. Convert the screen capture into a reference waveform. Using the reference waveform file just created, run the ABS active test again and save a file with both patterns. Sample Reference Waveform Capture: Animations\Corolla fuel pump.psdata

48 2013 High Tech Update - L973D48 973D - 2013 High Tech Update Reference Waveform Worksheet

49 2013 High Tech Update - L973D49 973D - 2013 High Tech Update PicoScope Best Practices Use of the TMS Waveform Library Ground Plane Issues Pico Gap Work Around Passive 20:1 attenuator

50 2013 High Tech Update - L973D50 973D - 2013 High Tech Update PicoScope Waveform Database Generic vehicle Selections Available under Charging and Starting. Hint: The “Automotive” tab is replaced with a Model Specific tab when Using the TMS Database Launcher to start the PicoScope software.

51 2013 High Tech Update - L973D51 973D - 2013 High Tech Update TMS PicoScope Waveform Library Clicking on the TMS Database Desktop Icon brings up the PicoScope Waveform Library Launcher. Clicking on “Skip” will launch PicoScope with the Pico Automotive Menu

52 2013 High Tech Update - L973D52 973D - 2013 High Tech Update PicoScope Waveform Library This is the Windows Command Bar that loads with TMS Waveform Database*. It does not include the Demo Device Software

53 2013 High Tech Update - L973D53 973D - 2013 High Tech Update TMS PicoScope Waveform Library Here is an example of a CAN signal from the TMS Waveform Library. Hook up the PicoScope per the “Notes” section to capture this waveform.

54 2013 High Tech Update - L973D54 973D - 2013 High Tech Update Ground Plane Issues The PicoScope Inner Circuitry connects the ground side of all the inputs together. It is a good practice to ground only one PicoScope lead and that ground should be the negative battery cable

55 2013 High Tech Update - L973D55 973D - 2013 High Tech Update “Pico Gap” Is data lost in the gap between screens?

56 2013 High Tech Update - L973D56 973D - 2013 High Tech Update Pico Gap Work Around Trigger must be out of waveform’s range

57 2013 High Tech Update - L973D57 973D - 2013 High Tech Update Pico Gap Work Around Notice that the glitch has been captured

58 2013 High Tech Update - L973D58 973D - 2013 High Tech Update PicoScope Over Voltage Protection Passive 20:1 attenuator

59 2013 High Tech Update - L973D59 973D - 2013 High Tech Update Questions Questions????

60 2013 High Tech Update - L973D60 973D - 2013 High Tech Update PicoScope Proficiency Worksheet To complete the PicoScope Proficiency Worksheet: Create a reference waveform from the CAN KOEO waveform in the TMS Database. Capture a live waveform that matches the CAN KOEO waveform. Save that one screen as a PicoScope file. Show your results to your Instructor. Here is an example of the waveform: Animations\Final CAN Worksheet.psdata For extra credit  Change the colors so that CAN Hi is red and CAN Lo is blue. Refer to the file above.

61 2013 High Tech Update - L973D61 973D - 2013 High Tech Update Hi Tech Final Worksheet

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