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gas_handling_system [2018/11/28 09:29] pereira [Removing Gas from Focal Plane Detectors] |
gas_handling_system [2018/12/19 11:08] pereira [Detector gas handling system] |
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====== Detector gas handling system ====== | ====== Detector gas handling system ====== | ||
- | * [[#General information]] | + | * [[#General information |
- | * [[#LabView Control Program]] | + | * [[#LabView Control Program |
- | * [[#Preparation of Gas bottles|Preparation of Gas bottles for filling of detectors]] | + | * [[# |
* [[#Filling Ion Chamber with Gas]] | * [[#Filling Ion Chamber with Gas]] | ||
* [[#Filling CRDC1 and CRDC2 with Gas]] | * [[#Filling CRDC1 and CRDC2 with Gas]] | ||
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* [[#Tracking Gas bottles pressures|Tracking Gas bottles pressures from Barney]] | * [[#Tracking Gas bottles pressures|Tracking Gas bottles pressures from Barney]] | ||
* [[# | * [[# | ||
+ | * [[Venting/ | ||
+ | ===== General Information for focal-plane gas handling system ===== | ||
+ | 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 | ||
- | ===== General Information ===== | ||
Required controls and monitoring | Required controls and monitoring | ||
* LabView gas handling system application **FPGHS_TCPIP-II.vi** | * LabView gas handling system application **FPGHS_TCPIP-II.vi** | ||
* 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# | + | ===== LabView Control Program |
- | + | ||
- | 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 | + | |
- | + | ||
- | ===== LabView Control Program ===== | + | |
To start the gas handling system control application, | To start the gas handling system control application, | ||
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- | ===== Preparation of Gas bottles ===== | + | ===== Preparation of Gas bottles |
==== In Data-U6 ==== | ==== In Data-U6 ==== | ||
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* Open **valves 5 and 21** | * Open **valves 5 and 21** | ||
- | * **IMPORTANT: | + | * **IMPORTANT**: Before opening valve 8 (next step), CLOSE **VALVE 25** to protect CRDCs from Ion Chamber pressure |
* Empty Ion Chamber to a pressure at or below the pressure of the CRDCs | * Empty Ion Chamber to a pressure at or below the pressure of the CRDCs |