PCAP-NaI Multichannel Analyzer
Contents
1. Physical SIZE Half length 16 7 x 9 9 cm 6 56 in x 3 9 in Evironmental OPERATING TEMPERATURE 0 to 50 C OPERATING HUMIDITY 0 80 relative non condensing Ordering Information PCAP Nal Integrated Nal MCA card Internal Jumpers B Internal Controls Internal Jumpers The internal jumpers in Figure 10 select the external device to be connected to the card s input connector J302 Position 2 PMT input gt Position 1 External amp input J301 J301 Position 2 PMT input __ H Position 3 External amp input Note J301 and J302 must both be changed II CAT All controls are shown in the factory default position Figure 10 PCAP Nal Board Layout For use with a Nal detector and passive tube base such as Canberra s Model 2007 the PCAP is shipped from the factory with the Input BNC connected to the internal preamplifier 17 Internal Controls To use the PCAP with an external shaping amplifier change the jumpers as shown in the table to bypass the internal preamplifier Jumper Tube Base Input External Amp Input J301 Position 2 Position 3 J302 Position 2 Position 1 Factory setting Setting the I O Address The PCAP card is shipped from the factory with its I O address set to 210 52810 by SW101 a ten position DIP switch located at the top of the PCAP Nal card Figu2. 158 160 168 170 178 180 188 190 198 1A0 1A8 1B0 1B8 1C0 108 1D0 1D8 1E0 1E8 1FO 1F8 200 208 19 Internal Controls PCAP Nal I O Address Settings SW101 4 SW101 5 SW101 6 SW101 7 SW101 8 SW101 9 SW101 10 MCA board I O address 210 Factory default 218 220 228 230 238 240 248 250 258 260 268 270 278 280 288 290 298 2A0 2A8 2B0 2B8 2C0 2C8 2D0 2D8 2E0 2E8 2F0 2F8 300 308 310 20 Setting the I O Address PCAP Nal I O Address Settings SW101 4 SW101 5 SW101 6 SW101 7 SW101 8 SW101 9 SW101 10 MCA board I O address 318 320 328 330 338 340 348 350 358 360 368 370 378 380 388 390 398 3A0 3A8 3B0 3B8 3C0 3C8 3D0 3D8 3E0 3E8 3FO 3F8 21 C 22 Installation Considerations Installation Considerations This unit complies with all applicable European Union requirements Compliance testing was performed with application configurations commonly used for this module i e a CE compliant NIM Bin and Power Supply with additional CE com pliant application specific
3. Detector in the Type box Next se lect the datasource file and click on Open Note If you get a Required Hardware Unavailable error possible causes are selecting 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 address is already in use by some other device within your PC In case of an I O address conflict use the I O address switch SW101 to set your PCAP Nal s address to another free one If you get a Hardware Verification Error there is a mismatch between the MID Definition setup and the hardware configuration You can choose to accept or not accept the verification error in the associated dialog box If you select No a RED error box will appear in the top left corner of the Gamma Acquisition and Analysis 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 PCAP Nal parameters that can be changed in the Gamma Acquisition and Analysis GAA application Adjust dialog To The MCA Adjust Screens change a parameter click on MCA Adjust in the GAA application s Main Menu then select the radio button for the parameter you want to change Stabilizer Parameters The controls in the Stabilizer settings screen Figure 6 for the PC
4. BREACH OF CONTRACT TORT LIABILITY INCLUDING NEGLIGENCE STRICT LIABILITY OR OTHERWISE 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 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 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 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
5. NIM were racked in a floor cabinet to support the module under test During the design and assembly of the module reasonable precautions were taken by the manufacturer to minimize the effects of RFI and EMC on the system However care should be taken to maintain full compliance These considerations include e A rack or tabletop enclosure fully closed on all sides with rear door access e Single point external cable access e Blank panels to cover open front panel Bin area e Compliant grounding and safety precautions for any internal power distribution e The use of CE compliant accessories such as fans UPS etc Any repairs or maintenance should be performed by a qualified Canberra service representative Failure to use exact replacement components or failure to reassemble the unit as delivered may affect the unit s compliance with the specified EU requirements Request for Schematics Schematics for this unit are available directly from Canberra Write call or FAX Training and Technical Services Department Canberra Industries 800 Research Parkway Meriden CT 06450 Telephone 800 255 6370 or 203 639 2467 FAX 203 235 1347 If you would like a set of schematics for this unit please provide us with the following information Your Name Your Address Unit s model number Unit s serial number Note Schematics are provided for information only if you service or repair or try to service or
6. repair this unit without Canberra s written permission you may void your warranty f A CANBERRA Warranty Canberra s product warranty covers hardware and software shipped to customers within the United States For hardware and software shipped outside the United States a similar warranty is provided by Canberra s local representative DOMESTIC WARRANTY Canberra we us our warrants to the customer you your that equipment manufactured by us shall be free from defects in materials and workmanship under normal use for a period of one 1 year from the date of shipment We warrant proper operation of our software only when used with software and hardware supplied by us and warrant that our software media shall be free from defects for a period of 90 days from the date of shipment If defects are discovered within 90 days of receipt of an order we will pay for shipping costs incurred in connection with the return of the equipment If defects are discovered after the first 90 days all shipping insurance and other costs shall be borne by you LIMITATIONS EXCEPT AS SET FORTH HEREIN NO OTHER WARRANTIES WHETHER STATUTORY WRITTEN ORAL EXPRESSED IMPLIED INCLUDING WITHOUT LIMITATION THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE SHALL APPLY INNO EVENT SHALL CANBERRA HAVE ANY LIABILITY FOR ANY SPECIAL INDIRECT OR CONSEQUENTIAL LOSSES OR DAMAGES OF ANY NATURE WHATSOEVER WHETHER AS A RESULT OF
7. wo 18 C Installation Considerations lt 22 1 Introduction The PCAP Nal is a personal computer plug in MCA card that contains everything needed to support an Nal Tl spectroscopy system High voltage preamplifier shaping amplifier gain stabilizer ADC and memory are all contained in a compact ISA bus half length assembly Power consumption is less than 10 W There is no need for NIM or external stand alone electronics Just connect the high voltage and signal cable to the detector boot your computer start the Genie 2000 software and you are ready to acquire spectral data Using the PCAP Nal is easy High voltage amplifier coarse and fine gains ADC conversion gain and many other functions are easily controlled by the computer through software adjust screens Every PCAP Nal comes equipped with its own on board digital gain stabilizer You Il never have to worry about spectrum drift again The stabilizer continuously monitors your system to compensate for any external variables like room temperature that can affect its precision Computer Control This capability allows the user to maintain multiple system setups downloading the required configuration as needed No manual dial adjustments are necessary The sys tem is ready for routine sample analysis by simply calling up predefined calibra tion setup files Software support is available with the Genie 2000 platform under Windows NT or Windows 95 98 T
8. AP Nal are de scribed in the following paragraphs Off 32 chs at i al 0 256 ok wal ae 0 1024 Gain mode Gain centroid l Gain spacing Figure 6 Stabilizer Settings Adjust Dialog Figure 7 shows the relationship between the Stabilizer s Centroid and Spacing on a typical peak for Gain Stabilization For a detailed explanation of how a Stabilizer is used refer to the Stabilizer section of Chapter 4 Gamma Acquisition and Analysis in the Genie 2000 Operations Manual Figure 7 Relationship Between Stabilizer Functions Setup and Configuration Gain Centroid Sets the centroid in channels of the reference peak at the high end of the spectrum for gain stabilization Gain Spacing Sets the spacing in channels between the upper and lower sampling channels The sampling channels should be placed so that a shift in the reference peak reflects a sig nificant change in count rate in the sampling channels For broad peaks the spacing should be set so that the sampling channels are not on the flat part of the peak Gain Mode Enables On or disables Off the Gain Stabilization function Amplifier Parameters Click on the Amp button to see the dialog box in Figure 8 which shows the adjust screen for the programmable amplifier C Stab Amp Coarse gain Fine gain E EE gt j 25 Figure 8 Amplifier Adjust Dialog Coarse Gain The Amplifier s Coarse gain setti
9. Model PCAP Nal Multichannel Analyzer User s Manual 9232102B 9 00 ISO 9001 SYSTEM C E CERTIFIED Copyright 2000 Packard BioScience Company All rights reserved The material in this manual including all information pictures graphics and text is the property of Packard BioScience Company and is protected by U S copyright laws and international copyright conventions No material in this manual may be reproduced published translated distributed or displayed by any means without written permission from Canberra Industries a division of Packard BioScience Company Canberra Industries 800 Research Parkway Meriden CT 06450 Tel 203 238 2351 FAX 203 235 1347 http www canberra com The information in this manual 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 Introduction ee ee ee ee 1 2 Setup and Configuration 2 Unpacking sos se a Br di a AAA A A Aa Bh a de E 2 Installanoni greta Bee y cea eo ee na 2 Changing the VO Address 2 Setting the Card s Input ira A A A A a 2 Installing the Card asada dees Wha ar dalek ae DER DE es 2 Installing the Software 2 ana a aa iea a a A a a e ai e a i a a a e t 3 Rear Panel Controls nie a Pe aya oe a tao ge awe ES eee a 4 LLDUED soarece de es Bee Oh eR Rea oe EP Ew ee eR Ew Re Rowe Ee os 4 ARTO ph aoe BOA ALE he
10. 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 01 00
11. he supporting software extends the capabilities of the system to meet a wide range of application requirements Software Support The PCAP Nal is fully supported by Canberra s trend setting Genie 2000 software product family Genie 2000 supports a wide range of time proven spectral analysis al gorithms modern spectrum display and user interface as well as a variety of special applications programs Genie 2000 software solutions are available for applications ranging as widely as laboratory gamma and alpha spectroscopy waste measurement whole body counting and nuclear safeguards Setup and Configuration 2 Setup and Configuration Unpacking Unpack your PCAP Nal board and examine it carefully for evidence of damage caused in transit If damage is found notify Canberra and the carrier immediately Installation The PCAP Nal card has three internal controls a 10 pole DIP switch for setting the card s I O address and two jumpers for setting the source of the input signal Changing the I O Address The I O Address is set at the factory to 210y 5280 If another address is required re fer to Setting the I O Address on page 18 before the card is physically installed in the computer Setting the Card s Input The card is shipped from the factory for use with a Nal detector with a passive tube base such as Canberra s Model 2007 PM Tube Base To use the PCAP Nal with an external shaping amplifier refer to Internal Jumpe
12. itor page 9 to create or change your definition Setup and Configuration The MID Wizard To use the MID Wizard open the Genie 2000 folder and select the MID Wizard icon to start the definition process Step 1 The first screen Figure 2 lets you select the MCA you want to create a definition for Select the PCAP for Nal entry from the list of available MCAs MID Setup Wizard Step 1 To start select an MCA device from the list below Available MCAs Multiport 8K ADC Multiport ext ADC PCA 3 w ext ADC PCA 3 with 2K ADC PCA 3 with 8K ADC Cancel Help Figure 2 Selecting the MCA The MID Wizard Step 2 The second screen Figure 3 asks you to define the MCA s I O Address By default the PCAP Nal board has an I O address of n210 See Setting the I O Address on page 18 for instructions on changing the address The I O Address defined by the set ting of switch SW101 must match the address defined in the MID MID Setup Wizard Step 2 Figure 3 Defining the I O Address Setup and Configuration Step 3 The next screen Figure 4 asks you to define the high voltage power supply s Voltage Limit and Voltage The Voltage Limit should be set to match the configuation of the connected Nal detector MID Setup Wizard Step 5 Figure 4 Defining the High Voltage Parameters The MCA Input Definition Editor Step 4 The Step 4 screen Figure 5 asks for a Detector Type and the acquisition memory si
13. ng is selected from the drop down list For most con figurations it s best to choose the highest Coarse Gain which combined with the Fine Gain will produce the total desired gain Fine Gain The Fine Gain control is set with the Scroll Bar Acquire Setup Screen High Voltage Parameters Click on the HVPS button to see the HVPS adjust screen Figure 9 C Stab C Amp HYPS ii Prey Voltage Status gt DI of Ey 4 ET 200 1000 Figure 9 High Voltage Adjust Dialog Voltage The Voltage scroll bar sets the output of the HVPS between the minimum and maxi mum settings of the Voltage Limit control set in the MID Editor The voltage can also be typed in from the keyboard then accepted with the OK button Status Enables On or disables Off the High Voltage Power Supply Acquire Setup Screen The Gamma Acquisition and Analysis application s Acquire Setup Screen which al lows you to define default acquisition parameters to be used when starting data collec tion on hardware datasources is described in detail in the MCA Menu section of the Gamma Acquisition and Analysis chapter of the Genie 2000 Operations Manual Specifications A Specifications Board Configuration ISA compatible plug in card Processor Intel 80C188 10 MHz ROM 128K x8 RAM 64K x8 data RAM 32K x8 processor RAM Input From PMT anode or direct to ADC jumper selectable rear panel BNC connecto
14. r Output High voltage rear panel MHV connector Data Acquisition CHANNELS 2048 configurable as two 1024 channel groups four 512 channel groups or eight 256 channel groups ADC TYPE 80 MHz Wilkinson 1024 channels INTEGRAL NONLINEARITY lt 0 1 over top 98 of channels DIFFERENTIAL NONLINEARITY lt 2 over top 98 of channels Presets GAIN DRIFT lt 200 ppm C ZERO DRIFT lt 50 ppm C full scale LIVE TIME CLOCK RESOLUTION 10 ms Presets REAL TIME lt 9 999 999 seconds LIVE TIME lt 9 999 999 seconds PEAK COUNTS lt 9 999 999 counts ROI INTEGRAL lt 9 999 999 counts Preamplifier TYPE Charge sensitive SENSITIVITY 1 25 mV pC Amplifier SHAPING Bipolar 1 0 us time constant COARSE GAIN x4 x8 x256 computer selectable FINE GAIN x1 00 x1 10 x2 50 computer selectable GAIN STABILIZER Range 12 5 resolution 1 4 channel High Voltage RANGE From 200 to 1275 V in 5 V increments CURRENT From 0 to 1 mA maximum Specifications NOISE Less than 50 mV peak to peak TEMPERATURE COEFFICIENT lt 100 ppm C LLD Rear panel 15 turn screwdriver adjustable potentiometer ULD Rear panel 15 turn screwdriver adjustable potentiometer ZERO Rear panel 15 turn screwdriver adjustable potentiometer Power 5 V 1300 mA 12 V 300 mA maximum with high voltage on 12 V 0 mA with high voltage off
15. re 10 Optional address switch settings may be made with the following procedure When one of the SW101 switches is in the OPEN position the logic level is 1 When the switch is CLOSED the logic level is 0 The seven switches numbered 4 10 se lect the base I O port address for the PCAP Nal card The card is shipped with SW101 switches 5 and 10 in the OPEN position and all other switches in the closed position This setting is for a base I O port address of 528 0 210p The table on the following pages lists the switch settings for all of the board s I O ad dresses Note SW101 1 SW101 2 and SW101 3 must be set to CLOSED or ON all the time A logic 1 in the table means that the corresponding switch must be set to OPEN or OFF A logic 0 in the table means that the corresponding switch must be set to CLOSED or ON If there is a conflict with another function in the PC at the default I O address another address may be selected The PCAP card SW101 switches 4 10 allow base I O port address selection in the range from 1004 through 3F8y Note When the address switches are changed the Genie 2000 software must be configured to the new port address Setting the I O Address PCAP Nal I O Address Settings SW101 4 SW101 5 SW101 6 SW101 7 SW101 8 SW101 9 SW101 10 MCA board I O address 100 108 110 118 120 128 130 138 140 148 150
16. river V H V on indicator U ULD control L LLD control Z Zero control IN Input from PMT or amplifier H V High voltage output to preamp Figure 1 Rear Panel LLD ULD The PCAP Nal contains a circuit which examines each signal coming from the con nected detector to see if the signal is greater in amplitude than the LLD lower Level Discriminator setting and lesser in amplitude than the ULD upper Level Discrimintaor settings Signals events outside this window are discarded Creating an MCA Input Definition Zero In most cases channel one of the spectrum is made to correspond to a zero energy in put zero intercept This means that the location of a given event in the spectrum is linearly and directly proportional to the height of the input pulse In some cases how ever the Zero control can be used to offset the spectrum by up to 1 5 to 4 5 of the ADC s current conversion gain Creating an MCA Input Definition After you have installed the card and the Genie 2000 software the first step in using your PCAP Nal board is to create an MCA Input Definition MID MID Wizard or MID Editor For most cases you ll use the MID Wizard to help you set up your Input Definition quickly and easily If your Input Definition is more complex than the MID Wizard was designed to handle i e multiple PCAP Nal boards or other MCAs with a single PC you ll use the MID Ed
17. rs on page 17 Installing the Card The card may be installed in the target PC by using the following procedure 1 Turn OFF the power to the computer to prevent damage to the computer and the PCAP Nal card 2 Remove the cover from the computer Consult the reference manual supplied with the computer for proper instructions on removing the cover 3 The PCAP Nal may be inserted into any available slot Remove the retaining screw from the slot s blank panel and remove the panel 4 To insert the PCAP Nal card the end of the card with the connectors must be tilted downward as the card is inserted into the computer When the connectors have cleared the rear panel cutout rotate the card until it s Installation parallel to and centered above the computer s motherboard connector Use moderate downward pressure to seat the card in the connector 5 Replace the retaining screw in the PCAP Nal card s rear panel and tighten 6 Replace the computer cover by reversing the procedure in step 2 7 Reapply power to the computer Installing the Software Refer to the Genie 2000 Operations Manual Appendix A Software Installation for instructions on installing the Genie 2000 Basic Spectroscopy Software Setup and Configuration Rear Panel Controls The PCAP Nal card s rear panel 15 turn potentiometers set the ADC discriminators and the zero intercept see Figure 1 These controls can be adjusted by using a small screwd
18. ult values Multiple Memory Groups are selectable only from within the MID Editor Setup and Configuration The editing procedure is described in Editing an MCA Definition in the MCA Input Definition chapter of the Genie 2000 Operations Manual That chapter also has detailed information on using the MID Editor 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 PCAP Nal s programmable con trols You may access the MCA Adjust screens after having defined an MCA Input Defini tion MID as instructed above Start the Gamma Acquisition and Analysis program contained in the Genie 2000 folder open the detector datasource you just have de fined and select the MCA Adjust drop down menu option 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 Next and 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 To access the Adjust screens a PCAP Nal datasource must have been opened To open select File Open Datasource then select
19. wt Be We RE ee aes a Le D 5 Creating an MCA Input Definition s soeces sce 20 0 0 0 0 0 0 00000020000 5 The MID Wizards iis ced et apenga be be eed eee w LE HEE EE HER EEG ES 6 The MCA Input Definition Editor LL 9 The MCA Adjust Screens 2 asmara aware eea a a a 10 Stabilizer Parameters ido ata he oe Re wae Au ae cate a 11 Amplifier Parameters LL 12 High Voltage Parameters s iii i a e ES 13 Acquire Setup Sores oe i e o e aaa A ee bl ew 13 A Specifications o s s5 cs eee ee eevee a i 14 Board Configuration sos ses oe esoe ORE AR A A Ee ee a 14 PTOCESSO icon dn OER A ES RHE HE OE Ee RS ERS S EEE EEE RDO Ea 14 IAPUE si e br Sx as Ge es Oe ee te ah ae ead et Bnd ba a OO eae eee Gah ee 14 OUipUt k arado h Gt eda cts a bare de eee Pe Se BL A 14 Data Acquisition boa laca oe ole ow Ae a ae we a a De le A a es i da 14 ADC a oe Boe Gee e Ss ee ee He I 14 Presets gs GRRE REE REESE EEEESE EE DE ERE GHEE RE n 15 Amplilier sais d eee A a e GS ee a a 15 High Voltage ii seme dk et A ew hd a oe ed a A 15 AA cae Sister A AA 16 POWT ef noe a we e A OS ee SR Se A Se Rw ER a a 16 Physicals su ars Gol a 5 08 e Bow ald A ak Grae Sue a 16 Eyironme ntal ete dod aa She AS e eke Slee SO ee Bh es SA es 16 Ordering Information 2 cheese pe a ea a gek e o G paa e eH OL 16 B Internal Controls ua eke hw ee o ae 17 Internal Jumpers e sig are ee Ww a ee a eae Bb a ee ha Soe oe ae 17 Setting the I O Address s 4 gie caras A ee Pa Rh
20. ze in channels and requires that an Input Name be entered Select the desired mem ory size based on your application s needs and the availability of spectral memory MID Setup Wizard Step 6 la Cll 256 1024 Detector Type Nal v Number of Chanmels gt Input Name peo 17024 lt Back Cancel Help Figure 5 Assigning the Detector Type Ending the Definition To complete your Input Definition select Finish The input that you just defined will be stored as an MID file named inputname MID and automatically loaded into the Genie 2000 s MCA Runtime Configuration Database described in Using MCA Defi nition Tables in Chapter 3 MCA Input Definition of the Genie 2000 Operations Manual When you select Finish you will be asked if you would like to define an other input Answering No will close the Wizard Note that if you didn t enter an Input Name you won t be allowed to exit the Step 4 screen If the name you entered is the same as the name of an existing MID file the system will tell you so and go back to Step 4 to let you enter another name The MCA Input Definition Editor Most users will not need to use the MCA Input Definition MID Editor The MID Ed itor allows you to create edit and manage input definitions However for most users the facilities provided in the MID Wizard are sufficient You ll have to use the MID Editor only if you want to change any of the parameters from their defa
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