Series 5000 MCA User`s Manual
Contents
1. 12 The Settings The Settings The commands in the Settings menu shown in Figure 12 set the MCA s operating pa rameters The MCS menu option will not be enabled unless MCS mode has been se lected in the MCA device settings SAMME Wiieiget Pmi ALT le p 1 talar EEA SECT Wis Gain DZP Filar Figure 12 The Settings Menu Most of these parameters are adjustable both here in the Settings dialog and in the Ad just dialog in the Gamma Acquisition and Analysis application Some are adjustable only in the Settings dialog The description of each parameter specifies where the con trols can be changed MCA The MCA device has no adjustable controls at this level ADC Select ADC to display the ADC Settings dialog shown in Figure 13 which is used to set the initial operating parameters for the Series 5000 s programmable ADC 13 Defining the Series 5000 Since many of the ADC s Scroll Bar controls may need to be changed often in the course of daily work they can be adjusted both here and in the Gamma Acquisition and Analysis application ADC for input DETO1 Conv gain 4096 sal al 256 4096 Coinc mode C Coinc Figure 13 ADC Settings Dialog Conv Gain This control sets the Conversion Gain of the ADC Clicking on either of the arrows at the ends of the Scroll Bar will change the gain by a factor of two The upper2. X Offset Mask 3 PA A 0 1 Allow XOFF3 through 25 31 Spares 0 0 29 A CANBERRA Warranty Canberra we us our warrants to the customer you your that for a period of ninety 90 days from the date of shipment software provided by us in connection with equipment manufactured by us shall operate in accordance with applicable specifications when used with equipment manufactured by us and that the media on which the software is provided shall be free from defects We also warrant that A equipment manufactured by us shall be free from defects in materials and workmanship for a period of one 1 year from the date of shipment of such equipment and B services performed by us in connection with such equipment such as site supervision and installation services relating to the equipment shall be free from defects for a period of one 1 year from the date of performance of such services If defects in materials or workmanship are discovered within the applicable warranty period as set forth above we shall at our option and cost A in the case of defective software or equipment either repair or replace the software or equipment or B in the case of defective services reperform such services LIMITATIONS EXCEPT AS SET FORTH HEREIN NO OTHER WARRANTIES OR REMEDIES WHETHER STATUTORY WRITTEN ORAL EXPRESSED IMPLIED INCLUDING WITHOUT LIMITATION THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERW
3. 0 Edge sensitive 5 00000020 Dead Time Input 0 Active Low 1 Active 0 Polarity High 6 00000040 Reserved 0 27 Registry Defaults Value Bit hex Function Setting Default 7 00000080 Reserved 1 0 Count on High to low transition 8 00000100 External MCS Pulse 4 Polarity 1 Count on Low to High transition 0 Advance on High to low transition 9 00000200 External MCS 4 Advance Polarity 1 Advance on Low to High transition 10 00000400 Reserved 1 11 00000800 Reserved 1 12 00001000 Reserved 1 AHV 2PC HVPS External Input i B 13 00002000 Shutdown Enable O Disable 1 Enable 1 Mask AHV 2PC HVPS LN 14 00004000 Input Shutdown O Disable 1 Enable 1 Enable Mask AHV 2PC HVPS Leakage Input B 15 00008000 Shuidown Enable O Disable 1 Enable 1 Mask 16 00010000 External Offset O Disable 1 Enable 17 00020000 Reserved O Disable 1 Enable 18 00040000 Reserved O Disable 1 Enable 19 00080000 External Offset 0 Active Low 1 Active 4 Polarity High 20 00100000 X Output Polarity ei Low t Active 0 0 Force XOFFO to 0 21 00200000 X Offset Mask 0 0 1 Allow XOFFO through 0 Force XOFF1 to 0 22 00400000 X Offset Mask 1 0 1 Allow XOFF1 through 0 Force XOFF2 to 0 23 00800000 X Offset Mask 2 0 28 1 Allow XOFF2 through Value Bit hex Function Setting Default 24 01000000
4. Figure 15 Setting the AHV 2PC Power Supply Polarity The output polarity of the Model BB 200 is fixed at positive and cannot be changed The Polarity setting on the AHV 2PC can be set to Positive or Negative and as such will determine which output Lemo HV connector will be used This control is not available at run time Shutdown The Shutdown setting enables On or disables Off the power supply s external in put signals that are capable of shutting down the high voltage power supply These in clude LN Sensor Leakage Current and External Shutdown This control is available here and at run time MCS There are no adjustable controls for the MCS device Adjustable controls are available at run time see page 24 18 The Settings Input The Input command Figure 16 is used to change the name of the Input and define the Input These commands are not available in the Gamma Acquisition and Analysis ap plication Define Input Input name o ETO1 m Input Size Channels DetectorT ype Ge y 4096 J Out of Service sl ies J Memory groups 1 256 4096 OK Apply to All Help Figure 16 The Define Input Dialog Input Name The default DETnn name is initially assumed as the name for your Input But since it is displayed in a Input name text box you can easily change the name by clicking on the current name to select it then typing in the new name which can be up to eight characters long This is the na
5. MCAs PCA4 3 with 4K ADC PC4 3 with 8K ADC PCA P for Nal 5100 Series 5002 Series 5008 Series 5016 Add Figure 6 Adding the MCA Defining the Series 5000 Device Setup The Device menu sets the parameters for the system s hardware starting with the MCA itself There is a command in the Device menu shown in Figure 7 for each of the hardware sections of the MCA The disabled grayed commands do not apply to the MCA currently being set up Sample Changer ADC MASEL Stabilizer Amplifier High Voltage Power Mant Vacuum DSP Gain USP Kilter MCS Pulser Figure 7 The Device Setup Menu MCA The MCA Input Definition Editor Select the MCA command in the Device menu to see the Device Setup dialog Box shown in Figure 8 MCA for input DETO1 r MCA Full Memory Ss s Bl C iek 32k Bak No of ADCs g 39 C4 Acq Mode PHA C MCS Base Address Board Number 0280 fi Cancel Help Figure 8 The MCA Device Setup Dialog Full Memory and Number of ADCs The Number of ADCs is fixed since a single ADC system is the only configuration offered for the Series 5000 MCAs Full memory size selection that will be enabled is based on the MCA model selected as follows Model Supported Memory Sizes S5002 2k 1k S5004 4k 2k 1k S5008 8k 4k 2k 1k S5016 16k 8k 4k 2k 1k Defining the Series 5000 Base Address a
6. evidence of damage caused in transit If damage is found notify us and the carrier immediately Keep all packages materials and documents including the freight bill invoice and packing list Software License When purchasing our software you have purchased a license to use the software not the software itself Because title to the software remains with us you may not sell distribute or otherwise transfer the software This license allows you to use the software on only one computer at a time You must get our written permission for any exception to this limited license BACKUP COPIES Our software is protected by United States Copyright Law and by International Copyright Treaties You have our express permission to make one archival copy of the software for backup protection You may not copy our software or any part of it for any other purpose Revised 1 Apr 03
7. shown in Figure 5 Here an input name must be specified Pressing Finish will write the configuration file to the disk load the current definition into the run time database and request whether to exit the MID Wizard or return to the first step for another definition MID Setup Wizard Step 6 Input Name Number of Channels l 4036 Detector Type Ge X x Figure 5 Assigning the Detector The MCA Input Definition Editor Most users will not need to use the MCA Input Definition MID an application which allows you to create edit and manage input definitions For most users the fa cilities provided in the MID Wizard are sufficient You 1l have to use the MID Editor only if you want to change any of the parameters from their default values Multiple Memory Groups are selectable only from within the MID Editor The editing proce dure is described in Editing an MCA Definition in the MCA Input Definition chap ter of the Genie 2000 Operations Manual That chapter also has detailed information on using the MID Editor The MCA Input Definition Editor Opening the MID Editor To use the MID Editor open the Genie 2000 folder and select the MID Editor icon then select Edit Add MCA to see the MCA Definition table in Figure 6 To begin click on the Series 5000 entry for your board in the Definition Table to se lect it as the MCA to be set up as shown in Figure 6 E Add MCAs to Definition Table x Available
8. your Input Definition quickly and easily If your Input Definition is more complex than the MID Wizard was designed to handle such as multiple groups or special device set tings you 1 use MCA Input Definition Editor on page 6 to create or change your definition The MID Wizard To use the MID Wizard open the Genie 2000 folder and select the MID Wizard icon to see the Step 1 screen Step 1 You ll see a list of supported MCAs as shown in Figure 1 Scroll down to and select the desired Series 5000 MCA then press Next button MID Setup Wizard Step 1 To start select an MCA device from the list below r Available MCAs PCA 3 with 1K ADC PCA 3 with 2K ADC Series 5016 Figure 1 Selecting the MCA The MID Wizard Step 2 The next screen will ask you to specify the MCA s board number and base address as shown in Figure 2 MID Setup Wizard Step 2 Enter board address number size and mode of the MCA m MCA Full Memory s Co C 16k F 32k r Base Address Acq Mode 0280 PHA C MCS Board Number rq coca eeo Figure 2 Defining the Base Address The Number of ADCs is fixed since a single ADC system is the only configuration offered for the Series 5000 MCAs Full memory size selection that will be enabled is based on the MCA model selected as follows Model Supported Memory Sizes S5002 2k 1k S5004 4k 2k 1k S5008 8k 4k 2k 1k 5016 16k 8k 4
9. ADC Inp Polarity This control selects the expected polarity of the input signal Shaping This control sets the shaping time constant of the internal amplifier The available choices will vary depending on the installed MCA model as follows Series 5002 0 5 1 0 and 2 0 us Series 5004 0 25 0 5 0 75 1 0 2 0 3 0 and 4 0 us Series 5008 1 0 2 0 4 0 and 8 0 us Series 5016 0 50 1 0 1 5 2 0 4 0 6 0 and 8 0 us This control is available both here and in the Gamma Acquisition amd Analysis appli cation 16 The Settings Preamp Type This control specifies the preamplifier type TRP transistor reset preamp or RC RC coupled This control can only be changed here in the Settings dialog For TRP operation please note the following 1 For optimum performance the Pole Zero setting will automatically be forced to O zero therefore the Pole Zero setting will have no effect at run time 2 Both the preamp s Inhibit signal polarity and Input signal polarity must be set to match the preamp s specifications Both controls are available in the MID Editor Only the Input polarity control is available at run time Inh Polarity If you re using a reset type preamplifier such as a TRP the polarity of the preamp s Inhibit output signal connected to the Series 5000 hardware must be selected here to Positive or Negative in accordance to the preamplifier s specifications PUR This control turns the amplifier s Pil
10. ISE SHALL APPLY IN NO EVENT SHALL CANBERRA HAVE ANY LIABILITY FOR ANY SPECIAL EXEMPLARY PUNITIVE INDIRECT OR CONSEQUENTIAL LOSSES OR DAMAGES OF ANY NATURE WHATSOEVER WHETHER AS A RESULT OF BREACH OF CONTRACT TORT LIABILITY INCLUDING NEGLIGENCE STRICT LIABILITY OR OTHERWISE REPAIR OR REPLACEMENT OF THE SOFTWARE OR EQUIPMENT DURING THE APPLICABLE WARRANTY PERIOD AT CANBERRA S COST OR IN THE CASE OF DEFECTIVE SERVICES REPERFORMANCE AT CnANBERRA S COST IS YOUR SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY EXCLUSIONS Our warranty does not cover damage to equipment which has been altered or modified without our written permission or damage which has been caused by abuse misuse accident neglect or unusual physical or electrical stress as determined by our Service Personnel We are under no obligation to provide warranty service if adjustment or repair is required because of damage caused by other than ordinary use or if the equipment is serviced or repaired or if an attempt is made to service or repair the equipment by other than our Service Personnel without our prior approval Our warranty does not cover detector damage due to neutrons or heavy charged particles Failure of beryllium carbon composite or polymer windows or of windowless detectors caused by physical or chemical damage from the environment is not covered by warranty We are not responsible for damage sustained in transit You should examine shipments upon receipt for
11. Model 5000 MCArd MCA and AHV 2PC HVPS User s Manual 9234153B ISO 9001 SYSTEM CERTIFIED Copyright 2002 Canberra Industries Inc All rights reserved The material in this document including all information pictures graphics and text is the property of Canberra Industries Inc and is protected by U S copyright laws and international copyright conventions Canberra expressly grants the purchaser of this product the right to copy any material in this document for the purchaser s own use including as part of a submission to regulatory or legal authorities pursuant to the purchaser s legitimate business needs No material in this document may be copied by any third party or used for any commercial purpose or for any use other than that granted to the purchaser without the written permission of Canberra Industries Inc Canberra Industries 800 Research Parkway Meriden CT 06450 Tel 203 238 2351 FAX 203 235 1347 http www canberra com The information in this document describes the product as accurately as possible but is subject to change without notice Printed in the United States of America Table of Contents 1 INTOCUCHON a pe decora o es 1 2 Defining the Series 5000 o 2 The MIDWiz rd is ire Soe Ee a e Oe es we A ES y 2 The MCA Input Definition Editor 2 e 6 Device SSUP ss rl a oe Gt ot A a ee eo da ta ot ae a E 8 MCA cirera wieta a a E EEE Gwe 9 Sam
12. T1 Cancel Figure 10 Selecting the LPT Sample Changer Control Only Programmable control is offered it is the only type of Sample Changer control available with the Series 5000 but you do have a choice of the LPT Port which will be used The Series 5000 Sample Changer interfaces with the changer hardware through a parallel LPT printer port and the LPT Port drop down list allows you to specify which port it is attached to From the drop down list select your choice for the port ADC Since the Series 5000 can only use the internal ADC you don t need to use this com mand The only choice in this command is the Internal Programmable ADC that has already been preselected 11 Defining the Series 5000 Amplifier The Amplifier command shown in Figure 11 specifies which type of amplifier con figuration to use with the selected Series 5000 MCA The amplifier selection that can be made through the Device Driver drop down list varies with the selected MCA model as follows Series 5002 Bipolar External Series 5004 Bipolar External Unipolar Gated Integrator Series 5008 Bipolar External Unipolar Series 5016 Bipolar External Unipolar Gated Integrator Click on the drop down arrow and choose the desired type from the list Amplifier for input DETO1 Device Driver Protocol Driver Bipolar Amp 5000 Protocol Driver Control G Manual Internal Cancel Help Figure 11 The Amplifier Dialog
13. d Inhibit polarity can be changed only in this Dialog Box Amplifier for input DETO3 Coarse gain x10 Fine gain 1 00x re 0 9 E 6 0 Input Control C Preamp Amp C Direct cInp Polarity Pos Neg Shaping us 1 00 us Preamp type RC TRP Inh polarity Pos Neg PUR Off C On Amp Disc 80 EE 0 OK Apply to All Figure 14 The Amplifier Setting Dialog 15 Defining the Series 5000 Amplifier Gain Two controls are used to set the amplifier s gain Coarse Gain and Fine Gain The total gain is the product of the two settings Both controls are available at run time Coarse Gain The Coarse gain setting can be selected as X2 X10 X50 or x250 Fine Gain The Fine Gain is adjustable from x0 9 through x6 0 Input Control This control which selects the path of the input signal has three settings Direct Amp Preamp e For the Model 5000 ADC you must always use the Direct setting which connects the input signal to the ADC For any other models select Direct only if you want to use an external amplifier instead of the internal amplifier e If you re using an external preamplifier select Amp to connect the input signal to the internal amplifier then to the ADC e If you re using no external electronics select Preamp to connect the input to the internal preamplifier then to the internal amplifier then to the
14. e zero 1 00 us 4 128 a 4035 0 255 Figure 19 Adjusting the Amplifier Settings Page 2 22 High Voltage Power Supply Pulser energy E Ti A Figure 20 Adjusting the Amplifier Settings Page 3 Pole Zero Sets the internal amplifier s pole zero parameter The following notes apply to the Pole Zero setting 1 For TRP type preamplifiers the pole zero setting will automatically be forced to O zero 2 For Bipolar amplifier selections the Pole Zero setting will be set to 128 mid scale Pulser and Pulser Energy These settings apply to the Series 5000 s internal test pulser The Pulser can be en abled On or disabled Off and if enabled its amplitude can be set to 0 01V 0 1V or 1 0V High Voltage Power Supply The HVPS run time settings will appear if either the BB 200 Figure 21 or AHV 2PC Figure 22 high voltage power supply was selected during the MID Editor session Both the Status and Voltage are run time parameters that were not available during the MID Editor session G HVPS C MCS Figure 21 Settings for the BB Power Supply 23 The MCA Adjust Screens MCS 24 Status e Of C On Figure 22 Settings for the AHV 2PC HVPS For the AHV 2PC HVPS type the output voltage will ramp at approximately 50 volts sec While ramping the HVPS Adjust dialog will remain locked as indicated by Wait in its status box The MCS adjust dialog Figure 23 with associated r
15. efer to the MCA Input Definition and Gamma Acquisition and Analysis chapters of the Genie 2000 Operations Manual for additional information on defining and us ing Memory Groups Saving and Loading the Input Definition 20 Having completed a definition the next step is to save it in a disk file so it can be used in the future Use the Save and Save as commands under the File menu to save the definition After having saved the definition the next step is to load it into the run time database so that it can be used by the Genie2000 applications Use the Load To command to load the definition Refer to the MCA Input Definition chapter of the Genie 2000 Operations Manual for additional information regarding saving and loading definition files as well as ed iting existing files 3 The MCA Adjust Screens The MCA Adjust Screens which are accessed from the Gamma Acquisition and Anal ysis application s Menu Bar allow you to adjust the Series 5000 MCA s run time con trols You can access the MCA Adjust screens after having defined an MCA Input Defini tion MID as described in Defining the Series 5000 starting on page 2 Accessing the Adjust Screens Start the Gamma Acquisition and Analysis program contained in the Genie 2000 folder open the detector datasource you just have defined and select the MCA Ad just menu option To open the datasource select File Open Datasource then select De
16. eup Rejector PUR On or Off When PUR is on a Live Time correction is performed for pulses that are piled up and rejected This is reflected by the increase in dead time Canberra recommends turning the PUR On when measuring high count rates When used with very low count rates lt 100 cps the PUR should be turned off The PUR threshold is adjusted with the Amp Disc control Amp Disc This control should be set above the system noise level to prevent false triggering and to prevent noise pulses from being processed the range is from 0 to 4095 When set ting the Amp Discriminator the PUR should be on acquisition enabled and the input rate should be within the 1000 to 2000 cps range To start set the control at maximum while observing the system dead time Clear data as necessary to get an accurate reading of the dead time Next continue to reduce the setting until a sharp increase in dead time is observed then set the discriminator threshold approximately 10 to 20 above the current set ting LA Defining the Series 5000 High Voltage The Settings menu s High Voltage command sets up the High Voltage Power Supply based on the type of high voltage power supply selected through the Device menu s High Voltage command The Manual HVPS has no adjustable settings Figure 15 shows the settings for the AHV 2PC power supply High Voltage Supply for input DETO1 Polarity Positive o C Negative ox awon ss
17. her than the switches set during the initial installation there are no switches or knobs to adjust when operating the MCA All settings and adjustments are done from on screen menus using standard Genie2000 software This capability allows you to maintain multiple system setups downloading the required configuration as needed No manual dial adjustments are necessary The system is ready for routine sample analysis simply by calling up prede fined calibration setup files Software support is available with the Genie 2000 platform under Windows 98 Me Windows NT 2000 or Windows XP The supporting software extends the capability of the system to meet a wide range of application requirements e This manual describes how to configure a Series 5000 MCA for use with Genie 2000 software and how to adjust its controls e For important operating information please refer to Appendix A Notes on Series 5000 Operation on page 26 e For information on installing the MCA board refer to the Series 5000 MCArd Hardware Manual e For detailed description of the Genie 2000 software refer to the Genie 2000 Operations Manual Defining the Series 5000 2 Defining the Series 5000 After you have installed the card and the Genie 2000 software the first step in using your Series 3000 MCA board is to create an MCA Input Definition MID MID Wizard or MID Editor For most cases you 1l use the MID Wizard in the next section to help you set up
18. k 2k 1k Each Series 5000 MCA to be installed into the same host computer requires the selec tion of a base port and a unique board number Any combination can exist as long as the settings for each installed board are unique Possible values for base address are 280 hex and 180 hex Possible values for board number are 1 through 8 Defining the Series 5000 The base address and board number selected here must match the hardware settings Refer to the Series 5000 MCArd Hardware Manual for address and board switch set tings Step 3 In the Step 3 screen shown in Figure 3 the supported amplifier configuration and de sired high voltage power supply must be specified MID Setup Wizard Step 3 Figure 3 Selecting the Amplifier and the HVPS The choices for amplifier type will vary depending on the selected MCA type No ad justable parameters will be presented here for the selected amplifier All major param eters will be available at run time Step 4 You won t see the screen for Step 4 this step is not used when setting up a Series 5000 MCA The MID Wizard Step 5 The Step 5 screen shows the parameters for the selected high voltage power supply The Manual HVPS and BB 200 HVPS power supplies have no adjustable parameters The parameters for the AHV 2PC HVPS are shown in Figure 4 MID Setup Wizard Step 5 Figure 4 Selecting the Range for the AHV 2PC HVPS Defining the Series 5000 Step 6 The final screen is
19. limit of the Conversion Gain depends on the installed Series 5000 hardware as follows Series 5002 Series 5004 Series 5008 Series 5016 2048 channels 4096 chamnels 8192 channels 16 384 channels This control is available both here and in the Gamma Acquisition and Analysis appli cation 14 The Settings LLD and ULD The ADC s Lower Level Discriminator LLD can be set from 0 0 to 100 0 of the ADC s full scale input The ADC s Upper Level Discriminator ULD can be set from 0 0 to 110 0 of the ADC s full scale input The window between the ULD and the LLD limits the energy range to be considered by the ADC For example setting the ULD at 90 and the LLD at 10 0 means that only the pulses between 10 0 and 90 of full scale will be converted by the ADC Both controls are available here and in the Gamma Acquisition Analysis application Zero This control sets the ADC Zero offset over the range of 2 5 of full scale This con trol is available both here and in the Gamma Acquisition and Analysis application Coincidence Mode This control sets the ADC s input gating to either Coincidence mode or Anticoinci dence mode This control can only be changed here in the Settings dialog Amplifier Selecting this command from the Settings menu will pop up the Dialog Box shown in Figure 14 Though many of the Amplifier controls can also be adjusted in the Gamma Acquisition and Analysis application the Preamp Type an
20. me by which the detector is referred to in all applica tions Detector Type Use this drop down list to select the type of detector to be used with this MCA this also assigns appropriate default values to the spectrum display and analysis parame ters Input Size This parameter defaults to the number of channels that you selected during the MCA Device setup To use less than the maximum available memory slide the Scroll Bar to select the size you want Out of Service Select the Out of Service check box when the MCA or its front end electronics are temporarily disconnected from the system Though the MCA will still be listed in your MCA Definition File it will not be available for data acquisition 19 Defining the Series 5000 Memory Groups This box is used with the Input Size control to logically segment the MCA s full mem ory into halves quarters etc Note that this control is enabled for PHA operation only Using memory groups is a two step process 1 First use the Input Size control to set the acquisition memory size to less than the MCA s full memory size For example to segment a 4096 channel memory into two equal acquisition memory segments set the control to 2048 2 Enable Memory Groups by selecting its check box The number of available groups will be displayed in the brackets to the right of the control Using the previous example the memory will be segmented into two groups of 2048 channels each R
21. nd Board Number Each Series 5000 MCA to be installed into the same host computer requires the selec tion of a base port and a unique board number Any combination can exist as long as the settings for each installed board are unique Possible values for base address are 280 hex and 180 hex Possible values for board number are 1 through 8 The base address and board number selected here must match the hardware settings Refer to the Series 5000 MCArd Hardware Manual for address and board switch set tings PHA and MCS Any Series 5000 MCA can operate in either PHA or MCS acquisition mode If PHA is selected further references to MCS will not be made in the remaining section of the MID Editor or in the Adjust dialogs later Sample Changer If you re going to be using a Sample Changer select that command from the Device menu to see the Dialog Box shown in Figure 9 Sample Changer for input DETO1 Device Driver Protocol Driver None v None Control Manual Programmable Figure 9 The Sample Changer Dialog 10 The MCA Input Definition Editor Device Driver Initially this is set to None indicating that no Sample Changer is going to be used To change the setting from the Device Driver drop down list select LPT Sample Chgr as shown in Figure 10 Sample Changer for input DETO1 Device Driver Protocol Driver LPT Sample Char Parallel Control Control Manual LPT Port JuP
22. p 1 Amp 2 Direct 26 B Registry Defaults Settings not included in the user interface have been placed under the following regis try key HKEY_LOCAL_MACHINE SOFTWARE Canberra Industries Inc Genie 2000 Environment S5000_DEFAULTS The key will be created if one does not exist If the entry exists the current value will be used Therefore any changes made to the default settings will be preserved The same default value applies to all boards Initial default value for S5000_DEFAULT is 0008FF80 hex The default value is stored as a DWORD 32 bit quantity where each individual bit represents a predefined function The default setting for any function can be changed using the operating system s registry editor Refer to the operating system documenta tion for instructions on using the registry editor The table below indicates the functionality of each bit CAUTION It is highly recommended that edits to the registry be made only by experienced users Improper edits can render your entire system inoperative Bit Value Function Setting Default hex Store pulses above 0 reject 1 store into 9 eee LLD threshold last memory channel 5 1 00000002 Linear Gate Polarity O S Ne NOW EGO 0 high O Active Low 1 Active 2 00000004 Reject Input Polarity high 0 3 00000008 Coincidence Input 0 Active high 1 Active 0 Polarity Low 4 00000010 Coincidence Method 2 Level sensitive 1
23. ple Changer se secere aae a De A e aes wR E 10 ADC cide Gh e naea bee ee Oh eee ee bo Se be Eww oS Be 11 AMP a o ody SF weds eee ew eh at ae e Bek ee wh Oe 12 THe Seto tai peo quis God ano ah E eee es wren 13 MCA peire kerge DOR OLED EE GRE EEE EEO de wee Oe Lee 13 ADG ys see Sk A ee Se Ae wee a a ae Be ee ge A 13 Amplifier e e 6s 62 2 Pie eee eb ew de See ee eS Ee HO ee BE Hee a 15 High Voltages so ee howe a BO ew oR we ew ew ow a we we we et x 18 MCS ite e gep ad etait Bl A et ER aie Gee oe SO est Ghee Ge Se ey eB 18 IMPUt 5 6 e ahs Bob wae Goes eG aa ae a oe Bee a Haare a ae 19 Saving and Loading the Input Definition 2 o 20 3 The MCA Adjust Screens 2 21 ADC Parameters soe 2 a8 eo we ae oD ag aa a Re a ee ae E 22 AMPUEN g 26 ess e As a a ads Aloe Gam de a hee 22 Pole ZerO science OR ERE Rw ROR RES RE ORE Oe ORD Re Ee a 23 Pulseriand Pulser EnereY ci wk oS Ee eS Eee ed Lee eee ers 23 High Voltage Power Supply 2 2 2 ee 23 MESS saye ent a eee eB Se ae Sei Beate E ea dd 0 E e 24 Acquire Setup Screens qos sa soe SLR DHE EHR ERD HES ER RO OS 25 A Notes on Series 5000 Operation 26 The AHV 2PC High Voltage Power Supply o o o e e 26 Limitations of the Series 5000 e 26 B Registry Defaults lt lt lt 27 Notes 1 Introduction The Series 5000 MCA is operated entirely by software Ot
24. s window To determine the source of the verification error open the Status Page by clicking MCA Status in the Acquisition and Analysis window The problem item will be marked with an asterisk Each of the following sections describes the Series 5000 MCA parameters that can be changed in the Gamma Acquisition and Analysis GAA application s Adjust dialog 21 The MCA Adjust Screens To change a parameter click on MCA Adjust in the GAA s Main Menu then select the control for the parameter you want to change A description of the device s controls can be found in MCA Input Definition Editor on page 6 Those controls that are available only at run time are described this section ADC Parameters The ADC Settings screen Figure 17 contains the Conversion Gain Zero LLD and ULD run time parameters These are identical to the settings in the MID editor Figure 17 Adjusting the ADC Settings Amplifier The Amplifier s run time controls spread among three dialog pages as shown in Fig ures 18 19 and 20 The Pole Zero Pulser and Pulser Energy are run time parame ters that were not accessible in the MID Editor C ADC Amp C HVPS r Coarse gain Fine gain Input Control Inp Polarity _New_ 10 y 1 00 E Preamp Pos Prev Amp l a Direct Figure 18 Adjusting the Amplifier Settings Page 1 Prev Shaping us Pol
25. tector in the Type box Next select the datasource file and click on Open As adjustments are made in the dialog box the new values are sent to the MCA To save the adjustments to the datasource s CAM file use the Gamma Acquisition and Analysis application s File Save command so that the next time this datasource is se lected the proper setting will be loaded into the MCA The Nextand Previous buttons at the left side of the Adjust screen are used to move to the next or previous page of the controls when there are more control elements than will fit in the basic box Note If you get a Required Hardware Unavailable error possible causes are se lecting the wrong datasource for the instrument an I O address mismatch see instructions above or an I O address conflict means that the selected I O ad dress is already in use by some other device within your PC In case of an I O address conflict use SW1 1 through SW1 4 switches to set your Series 5000 MCA s address or board number to another free one then edit the datasource with the MID Editor to make corresponding changes in the configuration If you get a Hardware Verification Error there is a mismatch between the MID Definition setup and the hardware configuration You can choose to ac cept or not accept the verification error in the associated dialog box If you se lect No a RED error box will appear in the top left corner of the Gamma Acquisition and Analysi
26. tings as those of the MCA from which the power supply will be controlled For example if the MCA board is set for base 28X bd 1 then the power supply must be set to 28X bd 1 Limitations of the Series 5000 The following limitations apply to the Series 5000 e Pole Zero setting is supported in manual mode only For optimum performance an oscilloscope is required to correctly adjust the pole zero for Unipolar and Gated modes In Bipolar mode the pole zero setting is automatically set to midscale 128 e The LN level is not returned to the user interface e HVPS alarm annunciators for LN2 Leakage Current and External Shutdown are not supported External Shutdown signals are supported e PUR setting is supported in manual mode only Adjustments for optimum performance are made using the system Dead Time as instructed by the procedure in the MCA Input Definition Editor section on page 6 e Due to hardware limitations the preset sweep counter in MCS mode is always 1 regardless of the value entered e When the TRP type preamp is selected the pole zero setting is automatically forced to minimum 0 in order to achieve optimum performance e When using groups the ADC Conversion Gain is limited to the size of the group Changing the ADC Gain will have no effect e Groups are not allowed in the MCS acquisition mode e The amplifier s Input Control setting is displayed in the MCA Status Page and reports the output as 0 Pream
27. un time parameters will appear only if MCS acquisition mode was selected during the MID Editor session ADC C Amp C HPS MCS BE Dwell Range Dwell Value MCS Input milisec y DK Prev a 2 1 999 Figure 23 Adjust Screen MCS Settings The Dwell Time can be set to integer values ranging from lus to 999 s over three ranges The Dwell Range can also be set to External if an external dwell pulse is to be used The MCS Input mode can be set to TTL to count external TTL pulses or LLD ULD to count events between the ADC s LLD and ULD energy window Adjustments to the MCS run time parameters must be made with acquisition off Changes to parameters made during acquisition will be ignored Acquire Setup Screen Acquire Setup Screen There are two Acquire Setup screens one for the PHA mode Figure 24 and one for the MCS mode Figure 25 of acquisition Preset conditions and external start stop op erations are setup through the Acquire Setup screens ul Acquire Setup Figure 24 Acquire Setup for PHA Acquire Setup Figure 25 Acquire Setup for MCS noe Due to hardware limitations the preset sweeps in MCS mode is always re gardless of the setting in the Acquire Setup dialog box 25 Notes on Series 5000 Operation A Notes on Series 5000 Operation The AHV 2PC High Voltage Power Supply When using the AHV 2PC High Voltage Power Supply the board s addressing switches must be set to the same set
Download Pdf Manuals
Related Search