XES Architecture Vacuum v2

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Information about XES Architecture Vacuum v2
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Published on September 17, 2007

Author: CoolDude26

Source: authorstream.com

XES AMO Vacuum Control:  XES AMO Vacuum Control D. Nelson Purpose:  Purpose The purpose of this document is to provide preliminary design information for vacuum control of XES AMO Vacuum Control is organized in following groups Turbo Pump/Scroll (A) Ion Pump (B) Vacuum Gage, (C) Vacuum Gage, Pirani (D) AMO Instrument Concept – 4A: Vacuum Control:  AMO Instrument Concept – 4A: Vacuum Control Vacuum Control in 4A Turbo/Scroll pumps (A1-A6) Ion Pumps (B1 – B4) A1 B2 A2 A4 A5 A3 Cold Cathode Gage (C1, C6) Parini Gage (D1, D10) B1 A6 D1 C1 C2 C3 C4 C5 C6 D2-D5 D6 D7-D10 AMO Instrument Concept – 4B: Vacuum Control:  AMO Instrument Concept – 4B: Vacuum Control B3 Added Vaccum Control in 4B Turbo pumps (none added) Ion Pumps (B3 – B5) Ion Gage (C7-C9) Pirana (none added) B4 B5 C7 C8 C9 Requirements:  Requirements Need to formulate requirements, to follow Vacuum Equipment used:  Vacuum Equipment used Need to specify what kind of gages are to be used, check answers below: all gage controllers are MKS 937A: yes Interface Terminal server Gama Vacuum DIGITEL MPC dual vacuum pump: yes Then also need to know Turbo/Scroll (A):  Turbo/Scroll (A) Experiment: Yes: used during experimental run, No: for diagnostics All above Turbo/Scroll pumps are 4A. Phase 4B does not add any Turbo/Scroll Ion Pumps (B):  Ion Pumps (B) Experiment: Yes: used during experimental run, No: for diagnostics Questions: Vacuum Gage, Cold Cathode (C):  Vacuum Gage, Cold Cathode (C) Experiment: Yes: used during experimental run, No: for diagnostics Questions: Vacuum Gage, Pirani (D):  Vacuum Gage, Pirani (D) Experiment: Yes: used during experimental run, No: for diagnostics In the present design the diff pumping sections are fixed HFP Rack Organization:  HFP Rack Organization Turbo pump mounted on chamber, Scroll pump on under chamber Ion Pump controller, 2 pumps per Chassis, 2 Unit chassis Ion Gage controller, 2 Cold Cathode or 4 Pirini, 2 Unit, ½ rack Diagnostics Rack Organization:  Diagnostics Rack Organization Turbo pump mounted on chamber, Scroll pump on under chamber Ion Pump controller, 2 pumps per Chassis, 2 Unit chassis Ion Gage controller, 2 Cold Cathode or 4 Pirini, 2 Unit, ½ rack Vacuum System Components:  Vacuum System Components Turbo Pumps Varian http://www.varianinc.com/cgi-bin/nav?products/vacuum/pumps/turbo/ Powered locally Vacuum System Components:  Vacuum System Components Ion Pumps Gamma DIGITEL Dual http://www.gammavacuum.com/ Self protected Cost ? Depends on requirements Two pumps per unit. What is the pump requirements? Ion Pump/Gage System Block diagram:  Ethernet Ion Pump/Gage System Block diagram Gamma DIGITEL Dual Ion Pump Ion Gage Controller RS-232 RS-232 DIGI TERMINAL SERVER Questions: What gages are interlocked to the fast valve? Valve Interlock Digi RS-232 Port Server:  Digi RS-232 Port Server http://www.digi.com/products/serialservers/portserverts816.jsp Digi PortServer TS 16 RJ-45 Terminal Server Manufacturer Part #70001733 $1,363.00 Slide17:  Questions for controlling a vacuum valve. What type of valve. How fast does it need to close. Slow =andgt; one second How many cycles is the valve specified to operate. andgt; 10,000 cycles What is the issues with closing the valve if some equipment fails. Is there an MPS interface? Does the valve need to be controlled by a stand alone PLC/hardware Use terminal server: Yes Questions for controlling a vacuum valve. Vacuum System Components:  Vacuum System Components Scroll Pumps Varian http://www.varianinc.com/cgi-bin/nav?products/vacuum/pumps/scroll/ Only locally powered Ion Gages:  Ion Gages Cold Cathode Gages Used in LCLS injector andamp; throughout Linac Use for interlocks. Only the MKS 937A is currently used. Bayard-Alpert/ Hot filament gauge Was planned for injector but was decided that the filament could contaminate system. Decision to use only cold cathode. Only the cold cathode is used for interlocks because of inadvertent trips in hot filament systems. Ion Gages:  Ion Gages LCLS Initially planned to use the Grandville-Phillips 317 Hot filament controller but later abandoned it due to contaminations issues in the injector area. SSRL uses Grandville-Philips 330 hot filament controller. Only one gage Not listed is web site. Vacuum System Components (Cold Cathode):  Vacuum System Components (Cold Cathode) Ion Gage Controller MKS 937A Two Cold Cathode Ion Gages Or One Ion gage/ two Pirini Use 317 Pirini; same as Injector http://www.mksinst.com/ Cold Cathode Gage 937A Controller Vacuum System Components (Hot Filament):  Vacuum System Components (Hot Filament) Ion Gage Controller MKS 959 One Hot Filament Ion Gage One Pirini http://www.mksinst.com/ ~$1500 MKS-959 Controller Hot Filament Gage Vacuum System Components (Hot Filament):  Vacuum System Components (Hot Filament) Granville Philips Model 307 2 Bayard-Alpert gauge 2 Pirini ~$2000 http://www.brooks.com/pages/2555_rack_mount_solutions.cfm GP Model 307 Controller Vacuum System Components (Hot Filament):  Vacuum System Components (Hot Filament) SRS http://www.thinksrs.com/ Model IGC100 2 Bayard-Alpert gauge 2 Pirini ~$2,000 Rack mountable SNS was using VTI RGA:  SNS was using VTI RGA Ethernet interface EPICS driver was developed Soft IOC directly talks to it The experience at SNS is not very good So far not in operation at SNS Need to figure out more why SNS doesn’t like it SNS just bought SRS RGA:  SNS just bought SRS RGA RS232 interface LabView driver is provided by vendor SNS plans to use LabView share memory module to integrate it into EPICS EXO is using the SRS RGA for a few years and are happy with it.

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