Sys 1 Tt Vol 2 Issue 4 Apr11
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Sys 1 Tt Vol 2 Issue 4 Apr11

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Sys 1 Tt Vol 2 Issue 4 Apr11 Sys 1 Tt Vol 2 Issue 4 Apr11 Document Transcript

  • April 2011, Volume 2, Issue 4 BENTLY NEVADA SYSTEM 1® TIPS & TRICKSDear System 1 User,In the April Issue of System 1 Tips and Tricks, we’ll show you how to take reference data for an entire machine train. Reference data is helpful tocompare a previous known operating condition or state to a current condition or state. Reference data can be collected for certain operatingconditions. For instance, you may want to collect reference data after a machine overhaul so that that that data can later be compared and over-laidWe hope you enjoy this issue.Sincerely,Your Southern Region FAE teamThis month’s tip by: Stuart Rochon, Field Application Engineer, Charlotte, NCVersions: User Level:All Power User Diagnostic UserApplies to: IT GroupSystem 1 Data Plots Mid Level User Occasional User New User How to take machine reference data1 Open System 1 Display. If the Plot Session Manager window is not visible, open it using the “View” menu at the top. Choose the Collection groups tab in the Plot Session Manager window.
  • 2 Choose the Keyphasor associated with the machine you want to collect data on.3 Right click the Keyphasor and select “Configure Reference Sample Range”.4 Click “Add” and give the reference set a name and description. (you can not use spaces in the name)
  • 5 The sample I want to take is from an earlier cold start up, so after naming the reference sample in the previous screen, I select Transient for my Datasource and select the approximate ansient time frame during which the transient (start-up) took 9 place.6 We can narrow down the sample range by choosing the beginning and ending speed of the sample range. To do this, from the “Variable Filter” choose “User Selected” from pull down menu. Select your variables from the pop-up window (see item 7 next page).7 For this example I’ll use speed and direct. After making your selections, click “OK”
  • 8 Now select “Speed” from the “Show Plot” pull down menu, and click on “Plot”. You will now see the screen shown in item 9 below.9 Click on the plot to show your cursor, so you can select your start and end points.1 Move the cursor to the start of0 the ramp up.
  • 1 Repeat for the end of the ramp-1 up. We now have the exact time range we want.1 We can select the reference2 points we want for speed and direct, which were the user selected variables we picked earlier.1 We can also select 1X,2X and3 repeat the same steps for gap. Once all selections are made, click “Apply” and/or “OK”. Now the reference data will be available for a plot overlay.
  • 1 To use the reference data, 4 open up the plot group you want to use the reference data in, or start a new plot session. Under “Overlay”, use the pull down menu, and highlight “Select Overlay”. From the pop -up window, select the reference dataset you just created, and click “OK”. The reference data will now be shown in your plot along with the current data.DID YOU KNOW?System 1 is a high powered asset condition monitoring tool used to assess and predict machine condition and as withany high value tool, System 1 needs to be calibrated periodically to ensure the highest quality data is available to theequipment owner or diagnostician. Contact your local Bently Nevada (BN) representative to schedule BN’sMachinery Diagnostic Services group to come calibrate your System 1 plant asset management platform today.Bently Nevada Technical Support:bntechsupport@ge.com775-215-1818Bently Nevada website:http://www.ge-mcs.com/en/bently-nevada.htmlSystem 1 Blog (You’ll need to join the forum):http://supportcentral.ge.com/blog/blogs_frame.asp?prod_id=20858