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Printed Circuit Boards (PCBs)

3Flex Service Manual

2-22

Aug 2013

Power Distribution PCB, P/N: 350-17708-011

Provides power for all system components. It is located on the Power tray (below the turbo pump)
accessed from the rear panel of the analyzer.

Power Distribution PCB

Turbo pump

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Содержание 3Flex

Страница 1: ...Service Manual 3Flex Analyzer August 2013...

Страница 2: ...Viton is a registered trademark of DuPont Dow Elastomers L L C Windows is a registered trademark of Microsoft Corporation Micromeritics Instrument Corporation 2013 All rights reserved...

Страница 3: ...d Po Ports 2 9 Sample and Po Transducers 2 10 Heater Fan Assembly 2 11 Vacuum Gauge 2 11 Vacuum Subsystem 2 13 Roughing Backing Pump 2 14 2 14 Gas Inlet Subsystem 2 15 Pneumatic Valves and Manifold 2...

Страница 4: ...ND SOFTWARE Preinstallation Instructions and Checklist 4 1 Installation 4 1 Operator Training 4 1 Maintenance 4 1 Calibration 4 2 Mechanical and Electrical Drawings 4 2 Mechanical 4 2 Electrical 4 3 S...

Страница 5: ...he manual The service manual is organized as follows Chapter 1 GENERAL INFORMATION Provides information about the contents of the service manual Chapter 2 FUNCTIONAL DESCRIPTION Provides a functional...

Страница 6: ...anual 3Flex Service Manual 1 2 Aug 2013 Using This Manual This manual is most efficiently used from the Micromeritics web site However it can be down loaded to a portable media device such as a CD or...

Страница 7: ...basic configuration can be upgraded for vapor and chemisorption analyses and each port can be individually upgraded for high quality micropore analyses with 10 torr and 0 1 torr transducers on each m...

Страница 8: ...rtion of the instrument The gas inlet manifold is the only part of the manifold that has rubber seals The vapor source connects to the P0 port The sample ports dosing manifold and Po tube each have a...

Страница 9: ...selection dialogs and navigation are more consistent with that of Windows 7 Data from the 2020 2420 and 3020 sample files can be imported to allow overlay plots and other comparisons to be generated D...

Страница 10: ...rior analysis module and its subassemblies The top panel is molded from plastic and internally coated with a special conductive coating to prevent radio frequency interference Po tube Measures the sat...

Страница 11: ...s Sample Tubes Constructed of borosilicate glass to withstand the temperatures reached inside the Dewar or during degassing Power indicator Illuminated when instrument is on Access panels Provides acc...

Страница 12: ...pressed air the vacuum pump and the power cord Side Panels The side panels of the 3Flex contain the Ethernet connector RS232 connector and the On Off switch as well as access panels to circuit boards...

Страница 13: ...r 3 ports A 10 Torr manifold transducer See also Sample and Po Transducers on page 2 10 B 0 1 Torr transducers C 10 Torr transducers D 1000 Torr manifold transducer E Po port button head transducer F...

Страница 14: ...the cabinet see Vacuum Gauge on page 2 11 Pneumatically actuated hard seal valves and VCR connections are used to provide enhanced vacuum integrity There are four RTDs located in the analysis subsyste...

Страница 15: ...ehind for easier access to all three ports The ports also are extended further below the upper cabinet base plate for easier operator access and better thermal isolation Each sample port has a 20 m fr...

Страница 16: ...1 transducers 3 port Micropore units All Sample Ports have 1000 10 and 0 1 Torr transducers 1000 Torr button head transducers Sample Ports 1000 Torr button head transducer Po Port 0 1 Torr transducer...

Страница 17: ...t in front of the dual transducer PCBs It controls and maintains the temperature to 45 C 0 05 C Vacuum Gauge The Pirani Cold Cathode dual vacuum gauge is connected to the embedded controller via RS 23...

Страница 18: ...osed when dosing gas in the manifold to maintain cleanliness of the gauge Open Valve 7 only when the system is under vacuum Right click on the vacuum gauge reading to view vacuum gauge details you mus...

Страница 19: ...below the upper cabinet base plate It is connected to the vacuum gauge and gas inlet manifold with 1 2 in tubing A fan provides cooling air across the turbo and vents out the back panel Right click o...

Страница 20: ...Vacuum Subsystem 3Flex Service Manual 2 14 Aug 2013 Roughing Backing Pump The roughing backing pump is located outside the instrument cabinet making it easier to service...

Страница 21: ...t filters frits to prevent particles from entering the valve system The servo valve is stainless steel and similar to the one used in the 2480 Direct control of the servo valve voltage is provided via...

Страница 22: ...agm valves with Kel F seats and require 90 100 psi of house air to operate The pneumatic valve actuator assembly is located in the lower portion of the cabinet When the pneumatic valve actuator s rece...

Страница 23: ...ree sensors detect upper bound travel home position and over travel in the downward position the upper bound position sensor location is adjustable for different travel length applications The elevato...

Страница 24: ...All ports have three transducers Valves and their current states Pressure reading from the transducers Temperature readings Sample and Po ports Location and status of the elevator During operation st...

Страница 25: ...customer calls you with a problem have them 1 Obtain a screen capture of the All Readings dialog 2 Select Unit 1 Diagnostics Save Files for Problem Diagnosis to display this dialog 3 Use the Add butt...

Страница 26: ...g and sample manifolds All transducer and temperature readings from the upper portion of the instrument go through this board and are changed from Analog to Digital The analysis transducer interface b...

Страница 27: ...lication software is loaded into this PCB This board is in the third slot from left to right Valve LED Driver P N 350 17702 011 Generates control signals for valve drivers This board also stores all P...

Страница 28: ...ice Manual 2 22 Aug 2013 Power Distribution PCB P N 350 17708 011 Provides power for all system components It is located on the Power tray below the turbo pump accessed from the rear panel of the anal...

Страница 29: ...ntle and temperatures This PCB is located to the left of the Power Tray and is accessed through the rear panel of the analyzer Upper Backplane PCB P n 350 17707 011 The Upper Backplane PCB serves as a...

Страница 30: ......

Страница 31: ...ysis The instrument schematic shown below will be used to show the state of the system components during the various phases of an analysis The state of a valve is indicated by the icon color Green ope...

Страница 32: ...roceeds the thickness of the adsorbed film increases Any micropores in the surface are filled first then the free surface becomes completely covered and finally the larger pores are filled by capillar...

Страница 33: ...ce a plug in any port that is not being used for analysis 3 Prepare samples to be analyzed This may include weighing the sample and degassing the sample 4 Load sample tubes in their respective ports a...

Страница 34: ...3Flex Service Manual 3 4 Aug 2013 7 The system begins to evacuate the manifold at a rate and time specified in the sample file 8 All valves close then the N2 valve opens and the Po tube is filled to t...

Страница 35: ...re helium evacuation begins 10 A series of manifold dosings and port equilibrations begin to take place on each port to prepare for analysis under cryogenic conditions Helium warm free space is measur...

Страница 36: ...owered if specified in the sample file 12 Samples are evacuated for the amount of time specified in the sample file 13 The Po tube is dosed and allowed to equilibrate 14 If the pressure does not chang...

Страница 37: ...by selecting Instrument Schematic from the View drop down list 16 After evacuation the instrument starts dosing to the set point specified in the sample file and continues until the specified number o...

Страница 38: ......

Страница 39: ...installed by a qualified Micromeritics service representative Installation Instructions and Checklist P N 350 42870 02 Operator Training The Operator Training Checklist is used in conjunction with the...

Страница 40: ...uct Calibration Procedure P N 350 34000 76 Mechanical and Electrical Drawings These drawings show assemblies in detail Some parts listed in these prints may be available only as an assembly or in a ki...

Страница 41: ...analyzer unless requested on the order Access to an electronic copy is available on the Help menu 3Flex Operator s Manual P N 350 42800 01 Print Number Description 003 17642 011 CPU PCB 350 17701 011...

Страница 42: ...Software 3Flex Service Manual 4 4 Aug 2013 Software Click the link below to access a demo version of the 3Flex software 3Flex software...

Страница 43: ...lve 0 030 SST 004 22601 06 Valve Diaphragm sealed 1 4 in Male 004 25040 05 Gasket 1 4 VCR SS Retainer assembly 004 25040 06 Gasket 1 2 VCR SS Retainer assembly 004 27070 00 Frit 20 m 1 4 VCR 260 25873...

Страница 44: ...50 34007 00 Pneumatic Manifold assembly 004 25163 00 Valve Solenoid 4 port 004 62002 05 Valve Solenoid 24 VDC 2 way without base 350 63817 02 Heater assembly 120 VAC 350 63817 03 Heater Relay assembly...

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