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turning_magnets_on_off [2014/12/05 20:04] pereira [Set S800 magnets settings] |
turning_magnets_on_off [2015/10/19 15:23] pereira |
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===== Turn on S800 magnets power supply ===== | ===== Turn on S800 magnets power supply ===== | ||
+ | * **Troubleshooting**: | ||
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* Open the NCS PanelMate application and load file **THallps.ui**, | * Open the NCS PanelMate application and load file **THallps.ui**, | ||
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* Go to page 7 and select the steering magnets: **I170DH, I197DH, I231DH**. Note that some of the power supplies are connected to more than one steering magnet. If necessary, disable the steering magnet of the other line and enable the correct one. | * Go to page 7 and select the steering magnets: **I170DH, I197DH, I231DH**. Note that some of the power supplies are connected to more than one steering magnet. If necessary, disable the steering magnet of the other line and enable the correct one. | ||
+ | {{: | ||
- | * The magnet currents corresponding to a given setting are typically set using [[Turning magnets on/off#set S800 magnets settings|Barney]]. However, it is also possible to set them individually for an specific magnet, as explained [[Turning magnets on/off#set S800 magnets settings|here]]. | + | * The magnet currents corresponding to a given setting are typically set using [[Turning magnets on/off#set S800 magnets settings|Barney]]. However, it is also possible to set them individually for an specific magnet, as explained [[Turning magnets on/off#Set magnet currents individually|here]]. |
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- | * **Troubleshooting**: | ||
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===== Set S800 magnets settings ===== | ===== Set S800 magnets settings ===== | ||
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* Ensure that the current in the dipoles are properly matched to the desired values (see section on [[NMR probes# | * Ensure that the current in the dipoles are properly matched to the desired values (see section on [[NMR probes# | ||
- | ==== Set currents individually ==== | + | * Note: The currents in the Trim coils will be set automatically in Barney, once the rigidity in Segment 8 was entered. |
- | **NOTE: | + | |
+ | ===== Set magnet | ||
+ | The values of currents for the different magnets can be modified individually by clicking the button " | ||
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===== Turn on the trim coils of the Spectrograph dipoles ===== | ===== Turn on the trim coils of the Spectrograph dipoles ===== | ||
+ | Note: The following procedure describes how to set the trim-coil currents manually. In principle, it is no longer necessary because Barney sets the currents automatically once the rigidity of segment 8 has been entered. | ||
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* Check the currents in the Spectrograph dipoles by looking at the EPICS channels I265DS and I269DS. This can be done e.g. by clicking the button **Details** in segment 8 of the S800 Barney page (see figure below) | * Check the currents in the Spectrograph dipoles by looking at the EPICS channels I265DS and I269DS. This can be done e.g. by clicking the button **Details** in segment 8 of the S800 Barney page (see figure below) | ||
- | * The values of the current in each of the two trim coils correspond to about 53% of the currents in the corresponding Spectrograph dipoles | + | * The values of the current in each of the two trim coils correspond to about 43.5% of the currents in the corresponding Spectrograph dipoles |
* Open the NCS application **QTChan** | * Open the NCS application **QTChan** |