Installation and Operation Manual
Contents
1. e GeniX operating in expert Red bulb is broken mode e Shutters open or closed Nothing happens system functions normally and operations can be dangerous for the operator Vacuum This interlock is triggered if the beampath vacuum is broken Table 2 Vacuum interlock state table Initial GeniX State Action Affect on GeniX State e GeniX operating in normal mode e Collimator and cap mounted on mirror Vacuum broken X ray tube high voltage shut off e GeniX operating in normal mode e Collimator mounted on mirror Cap removed X ray tube high voltage shut off e GeniX operating in normal mode e Mirror and collimator under vacuum Cap and collimator removed X ray tube high voltage shut off e GeniX in normal mode Vacuum tube connected Nothing happens but not started directly between sensor and e Mirror mounted mirror GeniX control unit started GeniX operating in expert Vacuum broken Nothing happens mode Door Interlock This interlock is triggered if the door of X ray hutch is not properly closed The wiring external to the GeniX control unit for this interlock must be connected by the user The functioning of this interlock depends on the state of the interlock and the safety shutter it is independent of the state of the fast shutter as shown below Note that the first table is for the GeniX operating in normal mode the second for the GeniX operatin2. Right side of control unit front panel with components marked Note that for the two keys vertical is off horizontal is on 3 2 2 1 Interface Buttons R1 automatic mode R2 alarm status R3 power and temperature history RA configuration R5 manual mode R6 unused Figure 13 The user interface touch screen with the menu buttons functions indicated 3 2 2 2 Expert mode Expert mode is only to be used by authorized personnel as defined by the local radiation safety authorities Under no circumstances should the GeniX be operated in expert mode by unqualified personnel If it is necessary to operate the GeniX with the interlocks defeated for example to align the optics it is possible using the expert mode To place the GeniX in expert mode simply insert the expert mode key and turn it to the horizontal position see Erreur Source du renvoi introuvable below The touch screen will flash red and the GeniX will emit a periodic audible signal With the GeniX in this mode it is possible to operate the GeniX with the following interlocks defeated 1 Door interlock 2 Cover protection Z Marketing amp CommercialProduits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 15 38 Version 005 S lt enocs Date July 5 2007 3 Vacuum 4 Red lamps This mode is manually chosen by turning the key located on the back of the controller as shown o
3. chiller and vacuum pump Do not forget to connect the ground to the optical head control unit and to the ground of the bench where system is placed It is very important to ensure the same voltage on all of these points to prevent a risk of over voltage 4 2 ALIGNMENT PROCEDURE Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 26 38 INA Version 005 Xenocs Date July 5 2007 For ease of alignment and to ensure an optimum alignment Xenocs recommends using a PIN diode and an X ray camera These items may be purchased from Xenocs if needed The alignment procedure described hereunder assumes procession of these elements This procedure describes the complete alignment of the GeniX including the alignment of the collimator and the pinholes even though these are optional elements 4 2 1 Safety precautions Alignment must be done under safe conditions To ensure your safety consult your local radiation safety officer Xenocs cannot be responsible for injuries due to radiation exposure It is advised to work with a Geiger M ller radiation detector which Xenocs can supply if need be Note that the X ray camera and the PIN diode supplied by Xenocs are equipped with shielding to prevent radiation leakage under normal use 4 2 2 Description of Alignment Screws 2 alignment screws for the tilt adjustment mainly for shape optimization but
4. dures et description appareiNDDV 071107 installation and operation doc 7 38 INA Version 005 Xe n 0 C S Date July 5 2007 e Maintenance persons should wear appropriate safety glasses and gloves when manipulating the X ray tube Do not dismantle the X ray tube e Return damaged tubes in adapted packaging to Xenocs contact Xenocs Technical Support Department for more information 1 4 OTHER HAZARDS Figure 4 Icon indicating general hazard There are a number of other hazards present in the Genix including but not limited to the following e Water chiller contain a number of potentially hazardous features includes hot or cold plates compressed gases and moving mechanical parts e g in recirculating pump e Safety precautions must be taken when moving the heavy components such as chiller GeniX controller or GeniX head e fin doubt regarding the safety of any procedure feel free to contact Xenocs Technical Support Department for assistance note that contacting Xenocs does not free the user from the obligation to follow all applicable laws and regulations 1 5 ENVIRONMENTAL POLICY The design of GeniX is made to meet the requirements of European standards such as the RoHS rules The materials used for the construction of GeniX system such as stainless steel Or brass are recyclable Due to beryllium parts the X ray tube should not be discarded in conventional waste Please return all unde
5. C in GeniX head Furthermore fittings to connect to plastic tubing with an outside diameter of 6 mm will be necessary Genix Optional Accessories WATE R TO AI R CHILLER Compact 19 rack enclosure 200 W 24 KW cooling Good temperature stability ery Flow rate 0 5 17 l min 4 12 HU high Alternative table top design Reliable operation Low noise and vibration levels Low maintenance The chiller may be filled using normal tap water However it is advised to add an anti algae solution to avoid algae buildup notably in the filter In addition it is advised to change the water completely and wash the filter if necessary approximately once per month The drain is located under the front right corner of the chiller Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 25 38 INA Version 005 Xenocs Date July 5 2007 4 INSTALLATION OF GENIX 4 1 CONNECTION OF ALL ELEMENTS Door interlock Unietgency stop X06 Xray OH i Shutter status Distant ceases m Key for expert mode toveniddeni X01SUBD9 J4 R H5 connector Lemo connector 24V ET I thermo ili Cunent cable couple 220W 110V HT cable XO7 SUB D 25 X05 SUB D15 J5 Vacuum X z 2 220V 110V Chille QUT FIGURE 20 Diagram showing the connections for the various GeniX units optical head control unit
6. OVERRIDEN_ON Discrete M239 yes overriden on CONTROL OPEN FAST SHUTTER Discrete M245 yes T1 pulse 1 open fast shutter CONTROL CLOSE FAST SHUTTER Discrete M246 yes curl pulse 1 close fast shutter CONTROL OPEN SAFETY SHUTTER Discrete 70M247 yes TL pulse 1 open safety shutter CONTROL CLOSE SAFETY SHUTTER Discrete M248 yes T1 pulse 1 close safety shutter IRESET_FAULTS Discrete 70M249 yes mMm pulse 1 reset faults ICONTROL STANDBY MODE Discrete M250 yes Jd 1 control standby mode Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDD V 071107 installation and operation doc 34 38 v Version 005 Xe n 0 C S Date July 5 2007 CONTROL High Voltage Discrete 76M251 yes ICONTROL AUTOMATIC CYCLE Discrete 26M252 yes p High Voltage HV nteger MW50 yes 50 002 Current I Integer MW51 yes 1 00 SET_POINT_HV Integer MW52 yes 50 0 SET_POINT_I Integer MW53 yes 1 00 READING_TEMPERATURE Integer ZMWS54 yes 50 0 COUNTER_MINUTES Integer MW55 yes LEGE COUNTER HOURS nteger MW56 yes Jg FIGURE 30 input output for software development 1 control HV pulse 1 control auto cycle kV ex 50 00 5000 mA ex 1 002100 kV ex 50 0 500 mini 310 maxi 500 mA ex 1 002100 mini 41 maxi 100 C ex 27 0 270 Z Marketing amp Commercial Produits Ge
7. ZQ2 2 OUTPUT LIGHT HV FRONT PANEL ZMW63 X3 Q2 3 FREE ZMW63 X4 ZQ2 4 OUTPUT _LIGHT_SHUTTER MW63 X5 ZQ2 5 OUTPUT LIGHT DEVICE POWER ZMW63 X6 ZQ2 6 FREE ZMW63 X7 Q2 7 FREE FIGURE 31 software words Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 36 38 INA Version 005 Xenocs Date July 5 2007 Engagement Conditions 1 Remote mode To operate in remote mode connect pins 5 and 7 in the XO3connector at the back of the controller box Pin 5 and 7 connected Remote mode Pin 5 and 7 disconnected Manual mode front panel IMPORTANT The change of mode Remote Local can be done only with X ray OFF Attention With the overriden key at the back of the controller the Manual mode is forced In Remote mode all the manual controls are locked 2 Control fast shutter OPEN M245 pulse 1 Conditions To be in mode Remote Configuration fast shutter YES in the configuration panel for Magelis Input interlock OK No faults X RAY ON 3 Control fast shutter OFF M246 pulse 1 Conditions To be in mode Remote Attention The closing of the fast shutter is automatic when Power switch ON X RAY OFF Input interlock NOK one or more faults Fast shutter not configurated in the configuration panel for Magelis 4 Control safety shu
8. also flux Only indicated screw is visible in photo 4 alignmentscrews for collimator 2 for each axis 2 alignment screws for the Bragg angle alignment for flux optimization Only indicated screw is visible in photo 1 blockingscrew unscrew it during alignment andtighten it after obtainingthe best flux and beam shape FIGURE 21 View of opto mechanics showing alignment screws Note that one tilt and one of the Bragg alignment screws are not visible in the photo because there are located on the far side of the GeniX optical head On all alignment screws there is a small lock screw that enables the operator to lock the alignment screws in position when alignment is optimum Do not forget to loosen these screws before adjusting the alignment screws Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 27 38 INA Version 005 Xenocs Date July 5 2007 4 2 3 Use of the X ray Camera and PIN diode to Monitor Beam X ray camera FIGURE 22 View of GeniX optical head with X ray camera positioned to monitor beam To monitor the beam profile position the X ray camera as shown in FIGURE 22 Connect the BNC cable of the X ray camera to a monitor and view beam on monitor To protect against radiation leakage ensure that the collimator is completely inserted into the sleeve of the X ray camera as shown in FIGURE 22 PIN diode FI
9. and shocks encountered during transport 4 2 4 1 Verify X ray beam with X ray camera a f 2 um os FIGURE 25 View of collimator tube Z Marketing amp CommerciaNProduit GeniX proc dures et description appareiNDDV 071107 installation and operation doc 29 38 INA Version 005 Xenocs Date July 5 2007 Remove the collimator tube from the GeniX head and mount the X ray camera at the output of the collimator tube mount as shown in FIGURE 22 With a BNC cable connect the X ray camera to a monitor not supplied by Xenocs Also ensure that the X ray camera is receiving power Loosen the lock screws that fix the alignment screws see FIGURE 21 Tilt adjustment Screws Bragg adjustment screws one is hidden from view FIGURE 26 View of Bragg and tilt adjustment screws on GeniX optical head Place a radiation monitor near the junction of the X ray camera and the GeniX then ensure that all radiation protection elements are in place e g doors to X ray hutch then power up the GeniX as described in 3 2 2 6 or 3 2 2 7 see page 21 Open the X ray shutters both the safety and the fast shutters and verify visually and audibly that the radiation monitor does not detect an excessive dose of radiation If so verify that the end of the GeniX collimator mount is completely inserted into the sleeve of the X ray camera as shown in FIGURE 22 Consult you local radiation safety authorities
10. by the French government to emit a dose lower than 1 uSv h at any point no closer than 10 cm to the GeniX head excepting of course the exit point of the X ray beam However this in no way diminishes the responsibility of the user in case of misuse of the instrument For maintenance tasks e g adjusting the optics aligning the X ray beam with other equipment that oblige persons to work without the benefit of the complete safety protocol several rules should be respected e Only authorized persons should be allowed to perform such tasks It is the user s responsibility to check with the local radiation safety authorities and to follow all applicable laws and regulations e The end of collimator has to perfectly block with adapted piece made in lead e Check with a Geiger Miiller detector Xenocs recommends Fujifilm Inspector that the efficient dose flux is lower than 1uSv h at a distance of 10 cm around the system e If you suspect a leak contact your local radiation protection officer for assistance 1 3 CHEMICAL HAZARDS Figure 3 Icon indicating the presence of chemical hazards 1 3 1 Risks The X ray tube has a beryllium window The dust and vapor of beryllium are very toxic if inhaled or ingested Xenocs therefore recommends the following precautions 1 3 2 Precautions e Do not touch the Be window with bare hands e Do not clean the Be window with any chemical products Z Marketing amp Commercial Produits GeniX proc
11. if you have any questions about radiation safety If the radiation detector does not detect excessive radiation you can defeat the appropriate interlock using the expert mode key on the back of the GeniX see 3 2 1 4 on page 16 so that you can access the GeniX in order to tune the optic The first thing to do is to sweep the radiation detector around the entire GeniX optical head especially around the junction between the GeniX collimator mount and the X ray camera Once you have verified that there is no radiation leakage you may begin tuning the optics as described below A typical image of the X ray beam is shown below in FIGURE 27 If you do not see an X ray beam or see a much smaller beam than is shown below turn the Bragg adjustments screws see FIGURE 26 above to maximize the brightness of the beam in the image Note that there are two adjustment screws push pull system so that one screw should be loosened and the other tightened Be meticulous in this step so that you can return to the original position if need be i e count revolutions of each screw Sweep the Bragg angle around the original position and you should find the beam without difficulty If not contact Xenocs for help Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 30 38 INA Version 005 Xe n 0 C S Date July 5 2007 FIGURE 27 Image of X ray beam at output of co
12. used respects the following specifications Oil free e Able to maintain a pressure of 1 mbar Furthermore vacuum fittings to connect to plastic tubing with an outside diameter of 4 mm will be necessary FOX 2D Optional Accessories VAC U U M P U M P Vacuum pump for pure pumping and evacuation of air and gases capable of providing a 100 oil free operation It is gas tight and will not require any maintenance The noise levels produced by the pump when linked to a vacuum system remain below 53dB A Advantages to the user Dry compressing free of oil and hydrocarbons Low ultimate pressure KF flange at the intake port Fully equipped with cable switch ON OFF and plug Better performance and smaller size through the use of structured diaphragms Lower maintenance costs and long maintenance intervals through the use of high quality and well proven components Simple maintenance by staff of the customer Uniform appearance Can be operated in any position Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 24 38 INA Version 005 Xenocs Date July 5 2007 3 2 5 Chiller The chiller is an optional component If the chiller is not purchased from Xenocs care should be taken to ensure that the chiller used respects the following specifications e A flow rate of 1 2 L min in GeniX head e A stable temperature of 25
13. 251 1 X RAY ON 0 X RAY OFF Conditions To be in mode Remote Input interlock OK No faults Attention X RAY OFF will automatically stopped standby cycle in progress or automatic cycle in progress The voltage and current values will be placed at 0 The emergence of a fault will force X RAY OFF After correction of the fault reset of the fault and if the control 70M251 is at 1 X RAY will be automatically ON Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 38 38
14. 2Xenocs Reflecting Future Technology GeniX Installation and Operation Manual YZ Version 005 S lt enocs Version 005 TABLE OF CONTENTS L 1 LECTRICALE eR 1 1 1 Risks 1 1 2 Precautions 1 2 RADIATION PROTECTION 1 2 1 Dij P taler 1 2 2 PROCOUUIONS REA 1 3 CHEMICAL HAZARDS nei 556 1 3 1 RISKO EE t 1 3 2 desine L 4 OTHER HAZARDS 5 ENVIRONMENTAL POLICY 2 WARRANTY ie eeist esae e eR eo PAEe a RES SER ONERE CXRR SE e ERR a a eR VERE REESE SES ER NES LEER EE ERR RET EbE ERE EESAN 9 3 TECHNICAL DESCRIPTION OF GENIX csssscccssscscscecsascscssscccosssncsedcesescecsseccsesccasssacssaccassecsessecesscesesseecsesassnss 10 Sd THEORY OF X RAY OPTICS iiis aoi o ot sucer ev ebd PY E nei ain e RAE e VER FERE Eo EET dusilon PA EX RV tea te de Peta E P duced 3 2 COMPONENTS OF GENIX cessiasacaleccs cnssdudatavecsavavididessses eise pea ea Pda RU T ELA DRY MER Y PEN REPE Se SYE Va EE EUR ey toc octenan De RUE 3 2 1 Integration conditions in your installation 3 2 1 1 Components 3 2 1 2 Size of the system 3 2 1 3 Connections to fOFeSBe dipende terre era Fea Eae EIA seins at ETERA rene RE KEF ENTER R aS ES gera du reine 3 2 1 3 1 ElectricalicontiectlOhs oor en Le
15. 71107 installation and operation doc 20 38 S lt enocs Version 005 Date July 5 2007 e Safety shutter open or closed Cover protection Switches off the power if the cover is not in position Initial GeniX State Action Changes in GeniX State 1 GeniX operating normal Removing this cover X ray tube high voltage mode shut off 2 Cover protection on the GeniX 1 GeniX operating in expert mode 2 Cover protection on the GeniX Removing this cover 1 Nothing happens In this case safety of users can be not ensure by GeniX 3 2 2 6 Cold Start Procedure 1 Verify that the Emergency Shut Off button is in the extended position Switch the main power on by pushing in the green button on the left side of the control unit front panel 3 After few seconds the green interlock ok LED should light indicating that all interlocks are ok 4 Press the arrow on the screen to go to the automatic mode screen or press the R1 menu button 5 Turn the XRAY ON key to horizontal The red x ray on lamp should light 6 Turn the STANDBY key to horizontal and wait while the GeniX ramps up the voltage and current to the standby level 30 kV 0 4 mA 7 When the the GeniX reaches standby power wait a few minutes then turn the STANDBY key to off vertical 8 Press the START CYCLE button on the touch screen and wait while the GeniX automatically
16. GURE 23 View of GeniX optical head with PIN diode positioned to monitor the beam To monitor the beam flux position the PIN diode as shown in FIGURE 23 Connect the PIN diode cables as shown below in FIGURE 24 Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 28 38 DYZ Version 005 Xenocs Date July 5 2007 Front side Back side Gain dial Display PIN diode 1to 10 in Volts connection FIGURE 24 View of front and back of PIN diode Care should be taken to avoid exceeding 5 Volts on any given gain setting Each PIN diode has been calibrated and the formula for calculating the absolute flux value from the voltage reading is attached to the top of the PIN diode housing This formula takes the form E 3 GER OV V x10 g where CPS refers to the X ray flux in counts per second K is the calibration factor and is noted on the PIN diode and in its manual V is the voltage reading V is the voltage baseline reading reading with no X rays impinging on PIN diode and g is the gain factor 1 10 100 or 1000 For a GeniX that generates Cu K alpha radiation a typical reading at the output of the mirror is on the order of 3 to 4 on a gain of 10 which represents a flux of several 10 X rays per second 4 2 4 Optimizing the X ray Beam Your GeniX has been aligned in the factory but some minor adjustment may be necessary due to vibrations
17. GeniX head is 6 mm If your water hoses are different dimensions you must provide the appropriate adaptors to enable Xenocs to complete the installation 3 2 1 3 3 Vacuum connection In the event that you did not purchase the vacuum pump from Xenocs the outside diameter of the vacuum tube that connects the pump to the GeniX head is 4 mm If your vacuum tubes are different dimensions you must provide the appropriate adaptors to enable Xenocs to complete the installation Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 13 38 Version 005 lt enocs Date _ July 5 2007 3 2 2 Control Unit GeniX control unit Remote status box Figure 10 Front panel of GeniX control unit and the remote status box Poweron indicatar Touch screen Power off user interface switch Emergency shut off button Figure 11 Left side of control unit front panel with components marked Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 14 38 NW Version 005 Xenocs Date July5 2007 MEASUREMENT SHUTTER SAFETY SHUTTER inditalor indicalor X ray on INTERLOCK LED s indicator 2 Gree for ok STANDBY key 2 Red for error to switch the Genix 3 Blinking yellow for to standby mode overridden X RAY ON key Authorizes the gencration o X rays Figure 12
18. any analytical instruments It is also available as a stand alone item for use by academic or industrial research organizations The GeniX Beam Delivery System is designed to be simple to set up and operate However should you encounter any problems that are not addressed by this manual please contact the Technical Support Department of Xenocs at the address below XENOCS SA 19 rue Fran ois Blumet F 38 360 Sassenage FRANCE Tel 33 0 4 76 26 95 40 Fax 33 0 4 76 26 95 49 Email support xenocs com Web www xenocs com Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 5 38 INA Version 005 Xenocs Date July 5 2007 1 SAFETY RISKS AND PRECAUTIONS 1 1 ELECTRICAL 1 1 1 Risks The GeniX control unit contains voltages high enough to cause sever injury to persons including heart failure respiratory failure or severe burning Under no circumstances should unauthorized personnel open the control unit Figure 1 Icon indicating the presence of electrical hazards The GeniX system is designed to meet the safety requirements of EC UL norms The areas presenting potential electrical hazards are clearly labeled with the icon in Erreur Source du renvoi introuvable These areas may contain the voltages listed below High voltage 10 kV DC e Medium voltage 100 250 V AC Low voltage 24 Volts DC 1 1 2 Precautio
19. d a multilayer coating also serves as a natural band pass filter The thickness of the individual layers in the multilayer stack are chosen so that only the Ky lines Cu Ka Mo Ka depending on design are reflected whereas the other energies are strongly absorbed see Erreur Source du renvoi introuvable Multilayer reflectivity and Cu emission lines multilayer reflectivity Cu lines Reflectivity R 6 7 8 9 10 energy E keV Figure 5 Typical reflectivity curve of a W Si multilayer optic designed to match Cu Ka emission lines The geometrical shape of the mirror is that of a section of an ellipsoid of revolution or a paraboloid of revolution for a collimating mirror as shown in Erreur Source du renvoi introuvable With this shape each ray coming from the left focus the source will pass through the right focus the image For extended sources when the source may not be approximated as a point the image size will be proportional to the source size The length of Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 10 38 INA Version 005 Xenocs Date July 5 2007 the mirror and the useful width is defined to optimize flux while keeping a reasonably low divergence Graded multilayer mirror See ee ee 7 Figure 6 Ellipsoidal mirror with lengths p and q indicated This schematic represen
20. d interlock screen after interlocks have been closed and ACQUIT button pressed Note interlock screen color is orange instead of red indicating that all interlocks are closed If one of the interlocks is not properly corrected then the touch screen will remain red the interlock error LED will remain on and the GeniX will not be authorized to produce X rays Only when the user has successfully closed all interlocks will the system become functional again after pushing the ACQUIT button 3 2 2 5 Interlock list Tube Temperature This interlock is triggered if the X ray tube temperature exceeds 45 C Initial GeniX State Action Affect on GeniX State GeniX operating in normal Any action increasing the X ray tube high voltage shut mode tube temperature off GeniX operating in expert Any action increasing the X ray tube high voltage shut mode tube temperature off after 10 seconds Red Lamp This interlock is triggered if the red safety bulb in the remote status box is damaged Table 1 Red lamp interlock state table Initial GeniX State Action Affect on GeniX State GeniX operating in normal Red bulb is broken X ray tube high voltage shut mode off lie not expert mode see 3 2 2 22 Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 18 38 S lt enocs Version 005 Date July 5 2007
21. e Erreur Source du renvoi introuvable 10 Let the water chiller run for a few minutes to evacuate the residual heat from the GeniX head 3 2 3 Optical Head Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 22 384 INP Version 005 Xenocs Date July 5 2007 Mirror assembly j Filter holder X ray source with cooling system mi EE lt Cover Figure 19 View of GeniX optical head Filter holder and collimator assembly are optional So GeniX is delivered without these two tools Note that the shutter assembly contains two shutters a fast and a safety shutter These do not have the same function e The fast shutter is designed for data acquisition and not for radiation safety It has a switching time in the 10 s of milliseconds and is designed for continuous cycling opening and shutting rapidly many times e The safety shutter is designed for radiation safety but not for data acquisition It is not designed to open rapidly and is not designed for continuous cycling Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 23 38 INA Version 005 Xenocs Date July 5 2007 3 2 4 Roughing Pump The roughing pump is an optional component If the roughing pump is not purchased from Xenocs care should be taken to ensure that the chiller
22. e tilt and one of the Bragg alignment screws are not visible in the photo because there are located on the far side of the GemiX optical h ad iter itenni aeaaaioii EE Kian 27 FIGURE 22 View of GeniX optical head with X ray camera positioned to monitor beam 28 FIGURE 23 View of GeniX optical head with PIN diode positioned to monitor the beam 28 FIGURE 25 View of front and back of PIN diode seen 29 FIGURE 26 View of collimator tube see 29 FIGURE 27 View of Bragg and tilt adjustment screws on GeniX optical head 30 FIGURE 28 Image of X ray beam at output of collimator mount 31 FIGURE 29 Image of diffracted and direct X ray beams essere 31 FIGURE 30 View of the collimator tube and the pinhole mount 32 FIGURE 31 input output for software development 35 FIGURE 32 SOftWare WOIGS iiisc eee tet terere tee EE SE FER REN KYLE EE TR SERRE anne de XO RR SPESE RR etx te 36 Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 4 384 INA Version 005 Xe n 0 C S Date July 5 2007 Dear Customer Welcome to the GeniX Installation and Operation Manual This manual provides operational instructions for the GeniX Beam Delivery System Please read it thoroughly before using this equipment The GeniX Beam Delivery System is a standard component in m
23. eeeee eene 4 2 4 1 Verify X ray beam with X ray camera 4 2 4 2 Fine tune optic to maximize TUX nio cc coeno vertat Roue etra noyer rennen as eye ev ev TER Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 2 38 YZ Version 005 S lt enocs Version 005 4 2 4 3 Confirm alignment with X ray camera sise 32 4 2 4 4 Precise alignment with a pinhole iii 32 4 3 REMOTE CONTROL TT M 33 Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 3 38 YZ Version 005 S lt enocs Version 005 a TABLE OF FIGURES Figure 1 Icon indicating the presence of electrical hazards 6 Figure 2 Icon indicating the presence of radiation hazards sees 6 Figure 3 Icon indicating the presence of chemical hazards eese 7 Figure 4 Icon indicating general hazard 8 Figure 5 Typical reflectivity curve of a W Si multilayer optic designed to match Cu Ka SIE 10 Figure 6 Ellipsoidal mirror with lengths p and q indicated This schematic represents the focusing case For a collimating mirror with q we would get a parallel beam and the ellipsoid of revolution would be a parabaloid of revolut
24. erified that there is no radiation leakage make small adjustments of the Bragg angle to maximize the reading on the PIN diode It is possible that a gain setting other than unity will be necessary for this procedure Note that the tilt adjustment will not affect the intensity at this point Note that if the visual alignment procedure is properly done one should not expect a large gain in flux due to fine tuning the optic Once the intensity is maximized tighten the Bragg and tilt screws and lock them in place using the lock screws Position the blocking screw see FIGURE 21 so that it just makes contact with the mechanic block above it and tighten the lock screw Verify that the X ray flux has not diminished from its maximum value 4 2 4 3 Confirm alignment with X ray camera To ensure that the beam is properly aligned replace the PIN diode by the X ray camera and observe the beam profile again Ensure that the GeniX shutters are closed when doing this and verify the absence of radiation leakage again as described above The beam profile should be as described in 4 2 4 1 page 29 If so you may shut the GeniX shutters and proceed with the alignment of the collimator If not either repeat the alignment procedure or contact Xenocs for assistance 4 2 4 4 Precise alignment with a pinhole Before placing the collimator tube on the GeniX optical head close the X ray shutters and ensure that no colleagues can possibly open the shutters unwi
25. g in expert mode For all combinations not noted in the tables nothing happens the GeniX continues to function normally Table 3 Door interlock state table for GeniX operating in normal mode Initial GeniX State Action Affect on GeniX State e Safety shutter open e X ray enclosure doors closed Open door of X ray enclosure e X ray tube high voltage shut off e Safety Shutter closes e Safety shutter closed e X ray enclosure doors closed Open door of X ray enclosure Nothing happens system is safe e Safety shutter closed Attempt to open safety e Safety shutter will not Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 19 38 S lt enocs Version 005 Date July 5 2007 e X ray enclosure doors open shutter open e X ray tube high voltage NOT shut down e GeniX state unchanged Table 4 Door interlock state table for GeniX operating in expert mode Initial GeniX State Action Affect on GeniX State e Safety shutter open e X ray enclosure doors closed Open door of X ray enclosure e Green LED blinks on remote indicator box Door opened displayed on control unit screen e Safety shutter closed e X ray enclosure doors closed Open door of X ray enclosure Nothing happens system is safe e Safety shutter closed e X ray enc
26. ion 11 Figure 7 GeniX head in back and control unit in front Remote indicator box is shown at gl I TS 12 Figure 8 Chiller for GeniX system ss 12 Figure 9 Dry pump for GeniX system ss 12 Figure 10 Front panel of GeniX control unit and the remote status box 14 Figure 11 Left side of control unit front panel with components marked 14 Figure 12 Right side of control unit front panel with components marked Note that for the two keys vertical is off horizontal is on 15 Figure 13 The user interface touch screen with the menu buttons functions indicated 15 Figure 14 Detail of back side of GeniX control unit 16 Figure 15 Detail of back side of GeniX control unit 16 Figure 16 Detail view of connections on back of Genix control unit essssss 17 Figure 17 View of interlock LED and interlock screen after interlocks have been closed and ACQUIT button pressed Note interlock screen color is orange instead of red indicating that all interlocks are closed se te tt reete rre Ee Ea EY RES ye din 18 Figure 18 View of the introduction screen left and the automatic mode screen right 22 Figure 19 View of GeniX optical head 23 FIGURE 20 Diagram showing the connections for the various GeniX units optical head control unit chiller and vacuum pump ss 26 FIGURE 21 View of opto mechanics showing alignment screws Note that on
27. llimator mount If one views the direct beam at the output of the collimator mount as shown below in FIGURE 28 then the Bragg angle adjustment is incorrect Bragg diffracted Direct beam beam FIGURE 28 Image of diffracted and direct X ray beams Once you have the Bragg angle aligned tighten the screws slightly so that the alignment will hold while you proceed with the tilt angle adjustment The tilt screws are shown in FIGURE 26 Adjust these screws to make the beam as symmetric as possible top to bottom or about a horizontal line For example note that in FIGURE 27 the lower left corner of the X ray beam is more elongated than the upper left corner This indicates a mis alignment of the tilt these comers should be more equivalent in size and intensity Once you have thus optimized the beam visually using the X ray camera you may proceed to the fine tuning of the optic 4 2 4 2 Fine tune optic to maximize flux To fine tune the optic to maximize the flux first shut the GeniX shutters both safety and fast shutters then replace the X ray camera by the PIN diode see FIGURE 23 Set the PIN diode gain to unity and then repeat the radiation check procedure as described above for positioning the X ray camera Z Marketing amp Commercial Produits Genix proc dures et description appareiNDDV 071107 installation and operation doc 314 384 INA Version 005 Xenocs Date July 5 2007 Once it is v
28. losure doors Open safety shutter e Safety shutter does not open open Green LED blinks on remote indicator box Door opened displayed on control unit screen Water Flow This interlock is triggered if there is improper water flow in the cooling system Table 5 Water flox interlock state table Initial GeniX State Action Affect on GeniX State GeniX operating in normal mode Any action decreasing water flow under 1 2 L min X ray tube high voltage shut off GeniX operating in expert mode Any action decreasing water flow under 1 2 L min X ray tube high voltage shut off Safety Shutter Interlock Switches off the power if safety shutter is not confirmed to be in the expected position note that the expected position may be either open or closed Note that this interlock does not check the state of the fast shutter state Indeed this shutter is not a safety element but is only to facilitate measurements Table 6 Shutter interlock state table Initial GeniX State Action Affect on GeniX State e GeniX operating in normal mode e Safety shutter open or closed Push safety shutter button If the state of the shutter 1s not detected for 1 second the X ray high voltage is shut off e GeniX operating in expert mode Push safety shutter button Nothing happens Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 0
29. n figure 13 3 2 2 3 Controller Details back side The following figures show the connections for the back side of the GeniX control unit Note that all connections are unique so it is not possible to improperly connect the cables Expert user interlock bypass key defeats some interlocks RJ4S connector for Ethernet communication 24 V DC LEMO power supply socket with 3 pins 110 230V power supply socket Figure 14 Detail of back side of GeniX control unit Ground High voltage cable Current for X ray tube for X ray tube Figure 15 Detail of back side of GeniX control unit Z Marketing amp Commercial Produits Genix proc dures et description appareiNDDV 071107 installation and operation doc 164 38 INA Version 005 lt enocs Date July5 2007 X03 connector SUBD15 1 Doorinterlock pin 5 and 2 2 emergency stops pin 1 and 3 and pin 2 and 4 3 REMOTE LOCAL sctting pin 5 and 7 ConnaectorX06 SUB D15 Safety bulbs X07 connector SUBD25 1 interlock controlin the head 2 shutte positions Connector X02 3 cover SUBD 9 4 vacuum 24V for High Vol age 5 waterflow Power Supply 6 red lamp on the top cf head Thermocouole connector X05 connection SUBD 15 Control of High voltage power supply Figure 16 Detail view of connections on back of Genix control unit When connecting the cables especially the connections X03 X05 and X07 ensure
30. ne reet eee ves ives Ce vto Pe E YER ERE EXE CY YR R CAREY RT renda 3 2 1 3 2 Water connections 3 2 1 3 3 Vacuum connection 3 2 2 Control Unit i 3 2 2 1 Interface BUCO NS ofa wade cosets sss tr rre rcr rr eene s Gard c ue rte PC Haga deer a eui dyes Ra PERS RAY 4 eR eL aud 3 2 2 2 3uor indharejel eeee e Bor 3 2 2 3 Controller Details back side 2 terne tenente ta enata ni En ie eoa sena andar 3 2 2 4 Interlock Failure Correction iicour e Ear ER ck EX RR CXV Y TER EE RN EEE E E R E CERNIT 3 2 2 5 Interlock list 3 2 2 6 Cold Start ProcedUre mienne ce reso lE x oe dece ae RYE NER ERE Xe RES Eee aee YES 3 2 2 7 Starting From Staridby iiie ier erre in eter eret Ya ror PER EVER RC FX EX ERE SERA re EAEE deua 3 2 2 8 StoP Procedure ecni earr apo er T in Ope EREE NE ana CR ER YR YE CERUYERNRXER tenace ENE EERTE 3 24 3 Optical Head nte EEUU US AENEA EIE seed bre EN URS Haas ER espere RARE ER SV ba tetes nes 3 2 4 Roughing PUMP PEEE 3 25 CHINO E 4 INSTALLATION 26 4 1 CONNECTION OF ALL ELEMENTS 5 2s eei cc exatcasvcatdevadeunevannsactedacevsdcaumedanas A Eni TETE adsanassesveviaeviavinnae 4 2 ALIGNMENT PROCEDURE ARR 4 2 1 Safety precautions 4 2 2 Description of Alignment Screws 4 2 3 Use of the X ray Camera and PIN diode to Monitor Beam esses nnne 28 4 2 4 Optimizing the X ray Beam sssss
31. niX proc dures et description appareiNDD V 071107 installation and operation doc 35 38 INA Version 005 Xenocs Date July 5 2007 Words MW60 MW61 MW62 MW63 image of Input Output CONTROLLER Words Input output controller Action description ZMW60 X0 2610 0 INPUT MAINTENANCE ZMW60 X1 2610 1 INPUT STANDBY ZMW60 X2 2610 2 INPUT HV ON ZMW60 X3 2610 3 INPUT SAFETY SHUTTER ON ZMW60 X4 2610 4 INPUT FAST SHUTTER ON MW60 X5 2610 5 FREE ZMW60 X6 2610 6 INPUT FAULT LIGHTI ZMW60 X7 2610 7 INPUT FAULT LIGHT2 Z5MW60 X8 2610 8 INPUT DOORS CLOSED ZMW60 X9 2610 9 INPUT SOURCE IN POSITION ZMW60 X10 2610 10 INPUT SAFETY SHUTTER CLOSED ZMW60 X11 2610 11 INPUT SAFETY SHUTTER OPEN ZMW61 X0 ZQ0 0 FREE ZMW61 X1 26Q0 1 FREE ZMW61 X2 Q0 2 OUTPUT_SAFETY_SHUTTER ZMW61 X3 Q0 3 OUTPUT _FAST_SHUTTER ZMW61 X4 Q0 4 OUTPUT INTERLOCK OK MW61 X5 ZQ0 5 FREE MW61 X6 Q0 6 OUTPUT INTLCK TEMP SHUTTER WATER ZMW61 X7 QO0 7 OUTPUT INTLCK VACUUM HV VSHUTTER ZMW62 X0 11 0 INPUT SOURCE COVER IN POSITION ZMW62 X1 11 1 INPUT VACUUM SENSOR ZMW62 X2 11 2 INPUT FLOWMETER SENSOR ZMW62 X3 11 3 INPUT REMOTE SENSOR ZMW62 X4 11 4 FREE ZMW62 X5 2oll 5 FREE ZMW62 X6 11 6 FREE ZMW62 X7 11 7 INPUT VALIDATION INTERLOCK ZMW63 X0 Q2 0 OUTPUT LIGHT FAULT INTERLOCK ZMW63 X1 Q2 1 OUTPUT LIGHT MAINTENANCE POSITION ZMW63 X2
32. ns By default the GeniX should be powered off completely and unplugged from the wall socket before performing any maintenance or repair work If power must be maintained to perform a particular maintenance or repair task several important rules should be respected e Only authorized persons are to perform maintenance or repair tasks in compliance with all local laws and regulations French law C18 510 14 12 1988 e If performing maintenance or repair tasks with the GeniX connected to a power outlet maintenance personnel should wear individual protection equipment such as 1000 V insulating gloves and safety glass with UV filter This list is non exhaustive consult local safety authorities for full protection measures to be taken 1 2 RADIATION PROTECTION Figure 2 Icon indicating the presence of radiation hazards Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 6 38 INA Version 005 Xe n 0 C S Date July 5 2007 1 23 Risks X ray photons constitute ionizing radiation which could lead to significant injury to humans or other biological systems The main consequence of over exposure is a drastic increase in the risk of leukemia or cancer The legal exposure limits are determined by the local radiation safety authorities 1 2 2 Precautions The GeniX system is certified by an independent radiation safety organization accredited
33. or GeniX system Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 12 38 INA Version 005 Xenocs Date July 5 2007 3 2 1 2 Size of the system The control unit and the chiller can be placed in 3U racks If you do not have such installation to receive systems the following conditions must be respected 1 A free space above and under each element is necessary particularly if the covers are not perforated 2 The space behind each unit must be at least 15 cm to allow proper ventilation of the system The space required to accommodate the GeniX head depends on the mirror type purchased For the larger versions at least 600 mm horizontal space is needed This space includes that needed for proper connection of the cooling water hoses The height of the GeniX head is 330 mm and the width is 200 mm The pump measures 32 X 15 X 15 cm and should be placed on the floor to absorb vibrations which are very minor 3 2 1 3 Connections to foresee 3 2 1 3 1 Electrical connections With the system completely installed you will use 5 power connections one for each of the following items 1 the control unit 2 the chiller 3 the pump 4 the MAR CAM 5 the pindiode 3 2 1 3 2 Water connections In the event that you did not purchase a chiller from Xenocs the outside diameter of hose that connects the chiller to the
34. ramps up to the nominal power Normally nominal power is full power 50 kV 1 mA but it may be configured by the user If your nominal power is not the power desired enter the configuration screen R4 and enter your desired nominal power settings 9 Once nominal power is reached the GeniX is ready for use ie not expert mode see 3 2 2 22 Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 21 38 Version 005 en n 0 C S Date July 5 2007 Figure 18 View of the introduction screen left and the automatic mode screen right 3 2 2 7 Starting From Standby To bring the GeniX up to nominal power from standby simply execute the instructions given above for cold starting beginning at step 7 3 2 2 8 Stop Procedure Verify that both the safety and the fast shutter are closed Turn the STANDBY key to on horizontal Wait for the GeniX to ramp down to the standby power Turn the STANDBY key to OFF vertical Go to the manual screen of the touch screen R5 Reduce the current to zero Reduce the voltage to zero IMPORTAN T The current must be reduced to zero before the voltage is decreased below 10 kV otherwise the source could be destroyed HORUM 8 Turn the XRAY ON key to off vertical 9 Switch off the main power by pushing in the power off button on the left of the control unit front panel se
35. rara com html manuals html Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 33 38 NS Version 005 Xe n 0 C S Date July 5 2007 GeniX Product Ethernet version July 2006 ETHERNET variables Name Data Type Device Address read write IREMOTE MODE Discrete 6M210 yes I remote IXRAY ON Discrete M211 yes I xray on ISTANDBY ON Discrete M212 yes I standby cycle on AUTO CYCLE ON Discrete M213 yes i automatic cycle on ICONDITIONS AUTO OK Discrete M214 yes i conditions for automatic cycle OK FAULTS Discrete M219 yes 1 1 or more faults X RAY LIGHT FAULT Discrete M220 yes 1 fault SHUTTER LIGHT FAULT Discrete M221 yes 1 fault po CLOSING FAULT Discrete M222 yes z fault COVER FAULT Discrete M223 yes 1 fault VACUUM FAULT Discrete M224 yes i fault WATERFLOW FAULT Discrete M225 yes l fault ISAFETY SHUTTER FAULT Discrete M226 yes l fault TEMPERATURE FAULT Discrete M227 yes I fault ASSEMBLY FAULT NOT APPLICABLE Discrete M228 yes b fault EE RUN CONTROLLER Discrete M234 yes ulse every second STADE LE Discrete M235 yes E ok S SHUTTER CLOSED Discrete M236 yes 1 safety shutter closed SS OER Discrete M237 yes z safety shutter open FAST_SHUTTER_CONFIGURED Discrete M238 yes 1 fast shutter configured
36. rtently and screw the pinhole mount onto the end of the collimator tube ensure that a 1 mm or 300 um pinhole is in the pinhole mount Reposition the PIN diode at the output of the collimator tube as well as the shielding open the GeniX shutters and verify that there is no radiation leakage With your safety assured proceed to maximize the flux detected by the PIN diode using the push pull alignment screws of the collimator mount Once the maximum flux is achieved shut the GeniX shutters and tighten the push pull alignment screws and lock them in place with the lock screws Open the GeniX shutters and verify that the maximum flux is still present on the PIN diode Once this is accomplished the GeniX is ready for use 4 3 REMOTE CONTROL By connecting pins 5 and 7 on the X03 connector the GeniX can be controlled remotely via a computer see Figure 16 The following table sum up the different words enabling the computer to command every function of the programmable controller Note that the communication is performed with an Ethernet module in relation with the TWIDO programmable controller The direct line with the Ethernet module must be connected with a crossed Ethernet cable Communication parameters IP address 85 16 44 113 under network mask 255 255 0 0 link address 85 16 0 1 The Ethernet module is connected to the programmable controller with a communication board of type MODBUS rtu See documentation http www niob
37. sired X ray tubes to Xenocs for disposal Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 8 38 INA Version 005 Xe n 0 C S Date July 5 2007 2 WARRANTY The standard warranty period is one 1 year from the date of acceptance of the GeniX The warranty is limited to either repair or replacement of the relevant part to be decided by Xenocs If Xenocs deems that a return of defective item s to Xenocs is necessary the shipment of said items shall be paid for by Xenocs The warranty does not apply if the defect is caused by e normal wear and tear e improper use as determined by Xenocs including but not limited to the use of the GeniX with interlocks defeated e use of the GeniX in an environment at variance with the environment described in the user s manual e modification of the GeniX that has not been approved by XENOCS in written form Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 9 38 Xenocs Version 005 Date July 5 2007 3 TECHNICAL DESCRIPTION OF GENIX 3 1 THEORY OF X RAY OPTICS The Xenocs FOX optics use the principle of Bragg diffraction to reflect X rays A multilayer coating assures constructive interference of the reflected rays as described by Bragg s law Since only rays satisfying Bragg s law are reflecte
38. that they are securely and properly connected Description of X03 connector 1 Door interlock This enables you to ensure your safety by shutting down power if the doors to your X ray cabinet are accidentally opened When system is installed we will ask you the authorization to bypass this safety or to install it on your X ray cabinet 2 Emergency stop this connection allows you to wire an emergency stop button far from the system so that the user can keep this button near the work area to shut the system down in case of emergency 3 Remote Local pins With these pins connected the GeniX can be controlled remotely via a computer cf 4 3 Remote Control Note that manual touch screen control of the GeniX is disabled 3 2 2 4 Interlock Failure Correction If one of the interlocks is open then 1 the red error interlock LED will be illuminated 2 the touch screen will become red and list the open interlocks Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 17 38 INA Version 005 Xenocs Date July 5 2007 3 correct the fault 4 reset the fault on the list by pushing the ACQUIT button If all interlocks are closed the green interlock LED will indicate system is ok and the display will become orange again as shown below in Erreur Source du renvoi introuvable Figure 17 View of interlock LED an
39. ts the focusing case For a collimating mirror with q co we would get a parallel beam and the ellipsoid of revolution would be a parabaloid of revolution Because the incident angle of X rays coming from the source varies along the length of the mirror the multilayer coating thickness must be graded longitudinally so that the Bragg condition is met at each point of the mirror This patented design has several advantages over the other X ray focusing collimating systems e Xenocs FOX optics collect more flux than double reflection mirrors e They are wavelength selective bandpass filters they yield monochromatic radiation e They have higher average reflectivities due to the single reflection e They are very easy to align because only one reflection is involved e Due to larger flux collection angles they produce more stable X ray beams Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 11 38 Version 005 Xenocs Date July 5 2007 3 2 COMPONENTS OF GENIX 3 2 1 Integration conditions in your installation 3 2 1 1 Components The GeniX system consists of 4 components 1 the GeniX head 2 the control unit 3 the chiller and 4 the vacuum pump see photos below Figure 7 GeniX head in back and control unit in front Remote indicator box is shown at right Figure 8 Chiller for GeniX system Figure 9 Dry pump f
40. tter ON M247 pulse 1 Conditions To be in mode Remote Do not control shutter OFF M248 Input interlock NOK one or more faults X RAY ON Doors of the enclosure are closed 5 Control fast shutter OFF M248 pulse 1 Conditions To be in mode Remote Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 37 38 INA Version 005 Xenocs Date July5 2007 Attention The closing of the safety shutter is automatic when Power switch ON X RAY OFF Input interlock NOK one or more faults 6 Control reset faults M249 pulse 1 Conditions To be in mode Remote Fault origin corrected 7 Control standby M250 1 Standby on 0 standby off Conditions To be in mode Remote X RAY ON Input interlock OK No faults Voltage lt gt 30 kV or Current lt gt 0 4 mA not to be already in standby mode Attention The transition to 0 of the control M250 will stop the standby cycle in progress and the values voltage and current will stay at the current values during transition After X RAY OFF the standby cycle in progress will stop and the voltage and current values will be placed at 0 After X RAY ON and if the control Standby M250 is at 1 the standby cycle will automatically restart 8 Control X RAY M
41. ttingly while you are positioning the collimator tube Before working in the beam path use the radiation detector to ensure that no ionizing radiation is present With these safety precautions in place screw the alignment tube onto the end of the collimator mount see FIGURE 29 At this point the pinhole mount should not be screwed onto the end of the collimator tube T FIGURE 29 View of the collimator tube and the pinhole mount Place the PIN diode at the collimator tube making sure that the collimator tube is completely inserted into the sleeve of the PIN diode With the PIN diode gain at the appropriate setting open the GeniX shutters using the same safety procedures as outlined above In addition it is advisable to place some extra radiation shielding around the junction between the collimator tube and the PIN diode leaded tape works well Before beginning the alignment of the collimator tube verify with a radiation detector that no leakage is present Z Marketing amp Commercial Produits GeniX proc dures et description appareiNDDV 071107 installation and operation doc 32 38 INA Version 005 Xenocs Date July 5 2007 Once your safety is assured you may adjust the horizontal and vertical push pull adjustment screws of the collimator mount to maximize the X ray flux detected by the PIN diode Once this is done close the GeniX shutters again ensuring that no colleague can open them inadve
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