Serge NOEL
194 lines
11 KiB
Plaintext
194 lines
11 KiB
Plaintext
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<meta name="generator" content="HTML Tidy for HTML5 for Apple macOS version 5.8.0">
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<title>JMRI: SpeedoConsole</title>
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<meta name="author" content="Andrew Crosland">
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<meta name="author" content="Dennis Miller">
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<meta name="keywords" content="JMRI Bachrus Speedo console">
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<h1>Bachrus Speedometer</h1>
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- awaiting image -<br>
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<p>Set up the loco to be measured on a running stand with the reader unit appropriate to the
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track gauge, connected to the MTS-DCC which is connected, in turn, to the PC.</p>
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<p>Connect the track on which the running stand is installed to your DCC system.</p>
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<p>Add both the DCC system and the reader interface as layout connections in the JMRI
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preferences. Open the Speedo console from the Speedo menu on the main screen of DecoderPro or
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PanelPro.</p>
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<p>The left side of the window is used for setup and to display the current speed:</p>
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<p><a href="../../../../html/hardware/bachrus/images/dial.jpg"><img src=
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"../../../../html/hardware/bachrus/images/dial.jpg" width="336" height="373" alt=
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"Send Frame Tool"></a>
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</p>
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<p><strong>Select Scale:</strong> The reader type will be detected when the loco is driven
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and speed data is received from the reader. Use the Scale drop-down to select the appropriate
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locomotive scale in order to get the correct speed values.</p>
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<p><strong>Select Mode:</strong> If you have a DCC system that can run locomotives on the
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programming track (such as the SPROG) then select "Run profile on programming track" as this
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will allow reading the locomotive address, etc. without moving between the programming track
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and a running track. If you can't run locomotives on your programming track, then select "Run
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profile on the main track".</p>
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<p><strong>Measured Speed:</strong> The radio buttons to the right of the dial allow the
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primary (black) speed digits to display the scale speed in either Miles-per-Hour (MPH) or
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Kilometers-per-Hour (KPH) units. The secondary (green) digits display will show the other
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units. The speed is displayed digitally in the primary units in the small window at the
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bottom of the dial. The units on the speed profile graph also change to match. If the
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measured speed exceeds the maximum value on the dial, it will automatically re-scale itself
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to match. This can be reset using the "Reset Graph" button under the speed profile chart.</p>
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<p>Selecting the Numeric radio button will change the dial to just a box with the speed
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numerically displayed.</p>
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<p>At this stage you can use a throttle (either part of your DCC hardware or a JMRI throttle)
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to drive the loco and observe the scale speed.</p>
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<p>The right side of the window is used to measure the loco speed profile:</p>
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<p><a href="../../../../html/hardware/bachrus/images/profile.jpg"><img src=
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"../../../../html/hardware/bachrus/images/profile.jpg" width="543" height="373" alt=
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"Send Frame Tool"></a>
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</p>
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<p><strong>Loco Selection:</strong> There are several ways to select the locomotive to
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profile:</p>
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<ul>
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<li>You can enter the loco's DCC address manually by entering it in the text box, selecting
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whether it is a long or short address in the drop-down, and pressing the "Set Loco Address"
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button.</li>
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<li>If the loco is already in your roster, you can select it from the roster drop-down and
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its address will be selected automatically.</li>
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<li>If the DCC hardware supports service mode programming and you have selected "Run
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profile on programming track" in the "Select Mode" section, you can press the "Read" button
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to read the address directly from the loco.</li>
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</ul>
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<p><strong>Momentum:</strong> This section provides a way to read and set the momentum for
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your locomotive.</p>
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<p>For best results when speed profiling, the momentum CVs should be set to zero
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so that speed commands take immediate effect. Speed matching will automatically set the
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locomotive's momentum CVs to 0. For both speed profiling and matching, you should read the
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locomotive's momentum before starting so that you can restore the momementum CVs afterword.</p>
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<a href="../../../../html/hardware/bachrus/images/MomentumSection.png"><img src="../../../../html/hardware/bachrus/images/MomentumSection.png"></a>
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<p><strong>Speed Profile Chart:</strong> The radio buttons to the right of the chart allow
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you to select whether you want a profile for the locomotive running forward, or backwards, or
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both. The grid lines on the chart can be toggled off and on as well.</p>
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<p>Underneath the chart area are several buttons that control the creation of a speed
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profile:</p>
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<ul>
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<li>Power Up/Power Down: This button allows you to manually turn track power on or off. It
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is also automatically invoked when a speed profile run is invoked.</li>
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<li>Start: This will start the running of a speed profile based on the other settings on
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the screen.</li>
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<li>Stop: This can be used to stop a profile run before it is finished. When a profile is
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finished the locomotive is automatically stopped and the track power is turned off.</li>
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<li>Export: This will allow you to export the results of the speed profile to a comma
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separated variables (CSV) file. This is a plain text file that can be opened by many other
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programs, including spreadsheets.</li>
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<li>Print: Use this to print a copy of the speed profile chart</li>
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<li>Reset Graph: This button will reset both the speed profile chart and speedometer dial
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scales to their default values if they have done an automatic re-scale because the speeds
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exceeded their limits. It also will erase any speed profiles being displayed.</li>
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<li>Load Ref: This button allows you to import a prior speed profile as a reference to make
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it easier to do speed matching. The profile can be one from another locomotive, or one that
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you create yourself with your desired speed values. The file to be loaded needs to match
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the format used for the Export function - there must be no less than 31 lines in the file
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with the following format:
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<ul>
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<li>First line is a text header than can be any text.</li>
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<li>Second line holds the column headers - the main requirement is that the units used
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in the profile appear as "MPH" or "KPH" somewhere on the line. This is used for
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appropriate unit conversions when the profile is loaded.</li>
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<li>The next 29 lines hold the speed information, one line per speed step. The line
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must have the speed step number followed by a comma, and then the value for the speed.
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There can be more speed values on the line (for example if the file is an export of a
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forward/reverse speed profile) but the rest of the line is ignored. Note that the speed
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step number isn't actually used - the loading function simply assigns the 29 speed
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values in sequence, but something must be there since the second value on the line is
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used as the speed value.</li>
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<li>The easiest way to create an appropriate file is to Export a profile and then
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modify the speed values in the exported file (if needed).</li>
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</ul>
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</li>
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</ul>
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<p><strong>Speed Matching:</strong> There are two tabs for speed matching behind the Speed
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Profile tab. The first is for the Basic Speed Matcher. The second is for the Speed Step
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Scale Speed Matcher.</p>
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<p>Both speed matchers will set your locomotive's momentum CVs to 0, so be sure to read the
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momentum CVs with the Momentum panel before speed matching so you can easily restore them
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afterword. Both speed matchers also provide configuration for if and how long the locomotive
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is warmed up and whether reverse is trimmed to match forward. Your locomotive should be
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warmed up to ensure accurate results. Reverse should also be trimmed for accurate results,
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but it should be disabled if your decoder doesn't support reverse trim (CV 95) or if it
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doesn't work with your decoder (NCE decoders have CV 95, but it is not compatible with how
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this speed matcher sets it).</p>
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<p>The Basic Speed Matcher allows you to speed match your locomotive's start and top speed
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to your desired value with a straight-line speed curve between them. You can use the basic
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motor control CVs (Vstart [3], Vhigh [4], and Vmid [6]), the speed table (CVs 67-94), or
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ESU's speed table (a combination of the basic motor control CVs and speed table). When using
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the basic motor control CVs, Vmid will be speed matched to the speed half way between your
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desired start and top speeds. When using one of the speed table modes, speed table steps 10
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and 19 will be matched to the speeds 1/3 and 2/3 of the way between your desired start and top
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speeds, respectively.</p>
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<a href="../../../../html/hardware/bachrus/images/BasicSpeedMatcher.png"><img src="../../../../html/hardware/bachrus/images/BasicSpeedMatcher.png"></a>
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<p> The Speed Step Scale Speed Matcher allows you to speed match your locomotive such that
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its speed is equal to the speed step when running in 128 speed step mode. For example, when
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running at speed step 11 in 128 speed step mode, the locomotive will be going 11 mph or kph
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depending on what unit the speed matcher was set to. You can use the speed table (CVs 67-94)
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or ESU's speed table (a combination of the basic motor control CVs and speed table). While
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this speed matcher is intended to be used with 128 speed step mode, we still only have 28
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steps in the speed table, so we can only actually speed match roughly every 4.7 speed steps.
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The speed matcher first determines the locomotive's top speed. Then it sets the target max
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speed to either the desired max speed or the next lowest speed table step speed, whichever
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is lower. The locomotive will then be speed matched so that it plateaus at the target max
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speed at its corresponding speed step. Every speed table step between and including 1 and
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the target max speed table step will be speed matched to the corresponding speed. Every
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speed table step above the target max speed table step will be set to maintain the target
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max speed.</p>
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<a href="../../../../html/hardware/bachrus/images/SpeedStepScaleSpeedMatcher.png"><img src="../../../../html/hardware/bachrus/images/SpeedStepScaleSpeedMatcher.png"></a>
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<p>Note that after these CVs have been set by running the matching, you should go to the
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DecoderPro roster entry for this decoder and do a "Read Full Sheet" of the corresponding
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motor control pane to capture the new values.</P>
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