S800 Documentation

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nmr_probes

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nmr_probes [2013/12/14 16:29]
pereira [Troubleshooting] 		nmr_probes [2014/03/10 09:37]
pereira [Troubleshooting]
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 If a dipole is turned off or its field is being changed, the status shows either "Off" or "Unstable" and the program issues a beep. If this happens under running condition in data-taking mode, stop the beam and ask the operator to assist you in investigating the situation of the magnet giving the problem. The operators have the possibility to check on all magnet power supplies and helium fill levels in the control room. A magnet current below the set value, for example, is indicated in Barney as a blue circle on the respective optics element. The S800 Barney page with all magnets operational looks like that: If a dipole is turned off or its field is being changed, the status shows either "Off" or "Unstable" and the program issues a beep. If this happens under running condition in data-taking mode, stop the beam and ask the operator to assist you in investigating the situation of the magnet giving the problem. The operators have the possibility to check on all magnet power supplies and helium fill levels in the control room. A magnet current below the set value, for example, is indicated in Barney as a blue circle on the respective optics element. The S800 Barney page with all magnets operational looks like that:
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 +THIS FIGURE IS OBSOLETE. NEW A NEWER VERSION
  
 {{:wiki:barney_magnets.jpg?700|Barney display for the S800.}} {{:wiki:barney_magnets.jpg?700|Barney display for the S800.}}
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 In case nothing happens after clicking on the icon, the connection to the NMR module is probably locked and needs to be freed. To free it, type the following from any shell window (actual typing show in this font ):  In case nothing happens after clicking on the icon, the connection to the NMR module is probably locked and needs to be freed. To free it, type the following from any shell window (actual typing show in this font ): 
  
-  - **telnet 35.8.35.139**  +  - **telnet 35.9.56.212**  
-  - enter any **username**  +  - Enter any **username**  
-  - **su **   +  - **set priv **   
-  - **system** +  - The system will ask you the password (ask the S800 device physicist) 
   - **unattach port x** (where x=1 for the analysis line and x=2 for the spectrograph)    - **unattach port x** (where x=1 for the analysis line and x=2 for the spectrograph) 
   - **logout**    - **logout** 
   - Click again on the starting icon and the program should start.    - Click again on the starting icon and the program should start. 
  
nmr_probes.txt · Last modified: 2024/06/01 16:35 by swartzj

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