gas_handling_system
Differences
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gas_handling_system [2016/08/15 18:22] pereira [General Information] |
gas_handling_system [2017/05/14 10:04] pereira [Filling Ion Chamber with Gas] |
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| ====== Detector gas handling system ====== | ====== Detector gas handling system ====== | ||
| + | |||
| + | * [[#General information]] | ||
| + | * [[#LabView Control Program]] | ||
| + | * [[# | ||
| + | * [[#Filling Ion Chamber with Gas]] | ||
| + | * [[#Filling CRDC1 and CRDC2 with Gas]] | ||
| + | * [[#Removing Gas from Focal Plane Detectors]] | ||
| + | * [[#Tracking Gas bottles pressures|Tracking Gas bottles pressures from Barney]] | ||
| + | * [[# | ||
| ===== General Information ===== | ===== General Information ===== | ||
| Required controls and monitoring | Required controls and monitoring | ||
| - | | + | * LabView gas handling system |
| * PanelMate **S800vac.ui page 07**: Focal Plane Detector | * PanelMate **S800vac.ui page 07**: Focal Plane Detector | ||
| - | The gas handling systems for both Focal Plane gas-filled detectors – the [[Detectors# | + | The gas handling systems for both Focal Plane gas-filled detectors – the [[Detectors# |
| Note that since the same roughing pump drives the gas handling systems for both gas-filled detectors, extra precautions must be taken to protect one detector from the pressure of the other detector. The fact that the same pump drives both systems is not indicated on the graphics for the LabView control application | Note that since the same roughing pump drives the gas handling systems for both gas-filled detectors, extra precautions must be taken to protect one detector from the pressure of the other detector. The fact that the same pump drives both systems is not indicated on the graphics for the LabView control application | ||
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| * Click on the tab labeled **Slot 8 (M-card) IC** to access the page with the pressure set point control | * Click on the tab labeled **Slot 8 (M-card) IC** to access the page with the pressure set point control | ||
| * Enter the desired pressure (typically 300 Torr) in the field under the knob labeled Set Point | * Enter the desired pressure (typically 300 Torr) in the field under the knob labeled Set Point | ||
| + | * Click button labeled **Update Set Point** | ||
| * Click button labeled **Return to AUTO Mode** on left to start filling/ | * Click button labeled **Return to AUTO Mode** on left to start filling/ | ||
| * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system to monitor filling. The flow readings for MFC #1 will increase and eventually disappear as the readout value overflows the display field (this is normal behavior) | * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system to monitor filling. The flow readings for MFC #1 will increase and eventually disappear as the readout value overflows the display field (this is normal behavior) | ||
| - | * If necessary, the filling process can be stopped at any time by pressing the valve button labeled **Close MFC #1** | ||
| * Open **valve 9** | * Open **valve 9** | ||
| + | * If necessary, the filling process can be stopped at any time by pressing the valve button labeled **Close MFC #1** | ||
| * The filling process will take several minutes | * The filling process will take several minutes | ||
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| * Click on the tab labeled **Virtual Ch. 0 (CRDC)** to access the page with the pressure set point control | * Click on the tab labeled **Virtual Ch. 0 (CRDC)** to access the page with the pressure set point control | ||
| * Enter the desired pressure (typically 40 Torr) in the field under the knob labeled **Set Point** | * Enter the desired pressure (typically 40 Torr) in the field under the knob labeled **Set Point** | ||
| - | * Click button labeled **Return to AUTO Mode** on left to start filling/ | + | * Click button labeled **AUTO Mode** on left to start filling/ |
| * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system to monitor filling. The flow readings for MFC #2 and MFC #3 will increase. The LabView application controls the gas mixing ratio based on the flow ratio (scaled with a calibration constant) | * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system to monitor filling. The flow readings for MFC #2 and MFC #3 will increase. The LabView application controls the gas mixing ratio based on the flow ratio (scaled with a calibration constant) | ||
| + | * Open **valve 25** | ||
| * If necessary, the filling process can be stopped at any time by pressing the valve button labeled **Close MFCs #2 & #3** | * If necessary, the filling process can be stopped at any time by pressing the valve button labeled **Close MFCs #2 & #3** | ||
| - | * Open **valve 25** | ||
| * The filling process will take several minutes | * The filling process will take several minutes | ||
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| {{: | {{: | ||
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| + | ===== Replacing Gas bottles ===== | ||
| + | In preparation | ||
gas_handling_system.txt · Last modified: 2023/05/11 11:29 by pereira
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