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1. ROR T 12 Stati onsen Gratin Ses hee ais e eee tu 13 Lease Time for IP Addresses 14 2 3 5 Step 9 Run MCB Configuration to Establish Communication With Your Se Gyan eh te alte Neate Maal antl Alu pacts dias Seat 14 2 3 5 1 Configuring a New Instrument 15 2 4 Multiple Users Can Attach to the Same digiBASE E 16 2 5 Moving a Statically Addressed digiBASE E to a Different Network or 16 3 USING THEDIGIBASE B 17 3 1 digiBASE E MCB Properties in MAESTRO 0 000000 cee eee eee eee 17 iii digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 81 1 Ampersand cosas ets bt ERAI e I LR EE ERU 17 31 2 Amper Z eet eret Re Drs dre ob daly et de 18 ADG upbeat dte S Wo ee 18 3173 1 GALS arto eo He dE it VE Od NE 19 31 4 Stabilizer imo eee edes ote 20 3 1 5 High Voltage oe iso E E E ee 21 3 156 ADOUti esce Erebi Diode eee A eise PW apu 21 Sere EDU EUNDI ELE EUMD IS IIS 22 18 PreSets eere tee re ES UN ie edebat voie aal Pede ave deae TU 22 3 2 Troubleshooting iios ce eb ET 23 3 2 1 Connection Failed Socket Error Incompatible Static IP Address 23 3 2 2 Cannot Communicate with MAESTRO or
2. 7 High voltage E e e i 21 InSight Mode 18 Mark types cere eee A 18 Installation 7 ensure network interface card enabled 10 quick reference 8 addressing 12 dynamic 12 incompatible IP address 23 l asetime repeteret SER 14 Note dynamic addressing 10 Note static addressing 13 socket error ee eee eee 23 static manual 13 static moving to different network 16 List Mode o epe E Ce 63 Lower level discriminator LLD 19 MCB Configuration program 14 Network moving to a different network 16 Network interface card enable 10 Password protecting settings and data 16 Pileup rejection 17 PMT pinouts gt t 5 Presets o uus eee RN See Paene 22 Resolution cee eee eee ee eee 18 Rise Cate e Once Pee 18 valid settings 18 Socket error ee eee ee eee 23 Status tabi edet E PS 22 Throughput 18 Troubleshooting 23 connection failed 23 incompatible IP address 23 MAESTRO ScintiVision 32 issues 26 socket erro
3. 61 Connection failed message 23 Daisy 7 Dead time calculation 18 DHCP server obtaining a dynamic IP address 10 digiBASE E Dur M dense 10 coarse gain 61 ensure network interface card enabled 10 front and rear 5 hardware properties in MAESTRO 17 addressing 12 MCB Configuration program 14 moving to a different network 16 multiple 16 password to limit access 16 Ethernet Device Controller program Attach to digiBASE E s 10 connection failed message 23 incompatible IP address 23 socket error eee ee E 23 Event counter 6 19 22 SET GATE neget weg ES 45 Feature mask 29 Flattop width valid settings 18 Peta ME uet 17 61 Gain 7 20 Gate AcqControl 6 19 AcqTrigger 6 19 GomcGate seen re ee 6 19 EventCounter 6 19 none 6 19 Routing 6 19 SET GATE cueie e cs 45 SET VIEW cere leve 6 7 48 DYDG 6 atte eee ue Decem BONY 7 SyncMaster
4. digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors User s Manual NOTICE OF PROPRIETARY PROPERTY This document and the information contained in it are the proprietary property of AMETEK Inc ORTEC Business Unit It may not be copied or used in any manner nor may any of the information in or upon it be used for any purpose without the express written consent of an authorized agent of AMETEK Inc ORTEC Business Unit Printed in U S A ORTEC Part No 931047 0213 Manual Revision C Advanced Measurement Technology Inc a k a ORTEC a subsidiary of AMETEK Inc WARRANTY ORTEC warrants that the items will be delivered free from defects in material or workmanship ORTEC makes no other warranties express or implied and specifically NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ORTEC s exclusive liability is limited to repairing or replacing at ORTEC s option items found by ORTEC to be defective in workmanship or materials within one year from the date of delivery ORTEC s liability on any claim of any kind including negligence loss or damages arising out of connected with or from the performance or breach thereof or from the manufacture sale delivery resale repair or use of any item or services covered by this agreement or purchase order shall in no case exceed the price allocable to the item or service furnished or
5. L06dl 90ZdL EEU Figure 19 Setting the Coarse Gain Jumper 62 APPENDIX LIST MODE The digiBASE E is equipped with a List Mode which streams spectroscopy data directly to the computer event by event without the data dead periods associated with the acquire store clear restart cycle of standard spectrum acquisition MAESTRO v7 supports our List Mode MCBs with menu and toolbar commands as well as commands in our automated JOB streams See the MAESTRO User 5 Manual for detailed information This appendix provides details about the List Mode that will enable experienced programmers using the ORTEC CONNECTIONS Programmer s Toolkit A11 B32 to write a custom software application program that can collect List Mode data and write it to a disk file If writing software for daisy chained units that trigger off a master unit your software must distinguish the IP address of the master unit from the slave IP addresses You can also contact your ORTEC representative or our Global Service Center to obtain sample code showing how to start list mode acquisition retrieve raw data from the digiB ASE E save the data to disk and parse the raw data B 1 List Mode Data In List Mode each detectable event that would normally be histogrammed as a spectrum is sent to the computer in the form of a pulse height value along with a time stamp that indicates the time the pulse arrived The data can be analyzed by the computer in real ti
6. 5209 9o ICON CA digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 1 Mark digiBASE E C Instrument Families USB based instrument O oPM use Dual Port Memory plut Dual Port Memory plur TRUMP PCI cards DART or ary other pri microBASE 585 50 o 585 65 amp Miniature MCA mini Maca L digiDART 85232 DSFEC 85232 Connections 32 4 Mount detector to digiBASE E LL _ 5 AC power P PoE injector 7 digiBASE E OUT IN LAN DC LAN 8 Ethernet Device Controller attach TET E Frei dgEASE Eo o attei 107323 D DADQCEUDUD p LABUSERD Aech tots device Descerene AigBASE_sie Mas 16chaactas sets FP DHCP enabled Stil Nene Bains See Figure 2 Installation Quick Reference 2 ScintiVision 32 MAESTRO 32 optional 6 LAN or PC v 9 MCB Configuration Configure Instruments Version 6 12 Mumbar k Descrpan Eset 2 Disbeset One 3 d BESE sie F2 Close E Ronumbor a T7 Update nstunent i on allen ber depu Sytem 2 GETTING STARTED 2 3 1 Step 1 Install the CONNECTIONS Driver Update Kit 1 The CONNECTIONS Driver Update Instrum
7. SHOW_HV_ACTUAL Returns the value of HV actually on the detector SHOW_HV_POLARITY This returns the HV polarity setting as a F record always positive for the digiB ASE E Response IPOS lt CR gt The HV is positive SHOW_HV_TARGET Under normal operation the HV will go to this value when the HV is enabled Reports the current HV setting see SET_HV and the status of the HV power supply in the form Dvvvvvssssscccc CR where vvvvv represents the HV setting and sssss represents the status of the HV bias supply as a 16 bit decimal number with the following bit definitions 52 5 FIRMWARE COMMANDS AND RESPONSES Bit 0 LSB Bias supply polarity 0 1 negative Bit 1 Bias supply overload O overload 1 normal Bit 2 HV enabled O disabled 1 enabled Example Responses D0100000003077 lt CR gt 1000 V negative not overloaded disabled D0100000002076 lt CR gt 1000 V positive not overloaded disabled D0100000007082 lt CR gt 1000 V negative not overloaded enabled SHOW INTEGRAL start chan number of chans Reports the sum of the specified group of spectral data channels If start chan and number of chans is not provided SHOW INTEGRAL reports the sum of all channels in the currently selected segment that have their ROI flag set Responses G0000000000075 lt CR gt Integral reported as 0 G4294967294131 lt CR gt Integral reported as 4294967294 G4294967295132 lt CR gt Integral reported
8. preset See also CLEAR_PRESETS and SHOW_LIVE_PRESET Execution Errors 131135083 lt CR gt The command was attempted while spectrum acquisition was in progress No action was taken SET_LLD chans Sets the lower level discriminator to chan which must be between 0 and conversion gain 1 See also SHOW LLD SET MODE LIST Puts the unit in List mode as opposed to InSight or PHA Mode In List mode individual peak values are stored along with the time the pulse arrived are stored and transferred to memory See SET MODE PHA and SET MODE SAMPLE SET MODE PHA This command sets the MCB to pulse height analysis mode for collection of histogram data SET MODE SAMPLE Starts the InSight Virtual Oscilloscope mode SET OUTPUT value This sends the value to the Change Sample output B OUT on the digiBASE E SET OUTPUT 1 sets the output voltage high SET OUTPUT 0 sets the output voltage low These commands are respectively equivalent to SET OUTPUT HIGH and SET OUTPUT LOW See also SHOW OUTPUT See also STEP OUTPUT SET OUTPUT HIGH output num Sets the Change Sample output to the high level The digiBASE E has only one sample changer BNC therefore if you include a value for output num it must be zero output num is provided for compatibility with other ORTEC instruments See also STEP OUTPUT 46 5 FIRMWARE COMMANDS AND RESPONSES SET_OUTPUT_LOW output num Sets the Change Sample output to the low level The digiB ASE E has
9. and modifiers in the command header are mnemonic words such as the verb ENABLE or the noun OVERFLOW that relate to the function performed by the MCB API when it executes the command The first four letters of any word will always be enough to uniquely identify the word when composing commands for an MCB API For example the command ENABLE GAIN STABILIZATION can be abbreviated to ENAB GAIN STAB Numeric parameters follow the command header separated by one or more spaces Specific commands require up to three parameters separated by commas which specify numeric quantities related to the operation of the MCB such as live time or conversion gain The command SET WINDOW 0 1024 has two parameters and 1024 which set the window of interest to start at channel 0 and continue for 1024 channels Some parameters listed in the command dictionary are considered optional and are distinguished from mandatory parameters by being surrounded by brackets in the command prototype line e g SET WINDOW start length Commands that have optional parameters may be sent to the MCB API without the optional parameters in which case the behavior will be changed as explained in the command description 35 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors An optional checksum may be added to the end of any command sent to MCB API The checksum is a 1 byte unsigned integer sum of all of the charact
10. HV SET_HV SET SHOW_HV_POL SHOW_HV_ACT Software selectable HV range ENA_NAI DIS NAI Auto PZ START PZ AUTO Software selectable manual PZ SET SHOW_PZ Battery backed real time clock SHOW_DATE TIME SHOW_DATE TIME_START Sample changer support SET SHOW_OUTPUT SHOW_INPUT One button acquisition ENA DIS SHOW_TRIG_SPEC MOVE Nomadic likely to move between opens Local app data SET DATA APP SHOW DATA APP Software retrievable serial number Power management commands Battery status support SHOW STAT BATT Software selectable AMP polarity SET SHOW GAIN POLAR Support for flattop optimization ENA DIS_OPTD Stoppable AutoPZ STOP PZ AUTO Network support e g DSPEC Multi drop serial support e g MicroNOMAD Software selectable DPM address SET DPM ADDR Multiple devices e g 919 Software selectable ADC gate mode SET GATE Beginning of 2nd word Software downloadable firmware Time histogramming functions available e g 9308 Software selectable lower level discriminator Software selectable upper level discriminator MCS mode SCA input available MCS mode positive TTL input available MCS mode fast negative NIM input available MCS mode discriminator input available Software switchable MCS mode discriminator edge Software programmable MCS mode discriminator level Software programmable SCA upper and lower thresholds 4 SPECIFICATIONS Bit 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 6
11. MOVE SET SHOW LIST VIEW in new ZDT and GATE routing MCBs with DPM or RS 232 Connected to MCB via RS 232 slow port No SET HV POSI SET NEGA NAI DISA NAI Beginning of 4th word Low Frequency Rejecter ENA DIS SHOW LFR Resolution Enhancer ENA DIS SH RENHANCER SET SHOW RETABLE idx val SET MODE RELIST for Resolution Enhancer List Mode Readable Sample mode time per channel SH TIME SAMPLE Adjustable Sample mode time per channel SET LIST TIME SAMPLE List Mode data streamed and formatted as in digiBASE Supports ETP mode ENA DIS SHOW ETP List Mode data streamed and formatted as in DSPEC Pro SET SHOW LIST PZ using floating point microseconds Risetime flattop width and cusp not user changeable from property page High Voltage not user changeable from property page Coarse and fine gain not user changeable from property page PZ and flattop tilt not user changeable from property page LFR not user changeable from property page Synch List Mode is available DSPEC PRO Auxilliary BNC input available SET DISPLAY is NOT used to select ZDT data view 4 SPECIFICATIONS Bit 113 114 115 Meaning ID Reports DO_ID SHOW_REPORT SHOW_REPO_LINES Has Neutron Detector SHOW_CRM 2 returns valid number List Mode data streamed and formatted like DIGIBase E 33 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 34 5 FIRMWARE COMMANDS AND RESPONSES Software communic
12. OUT A second SMA connector with nominal 100 O output Z provides a bridged output for the signal provided to the A IN input This output provides the SyncMaster signal if this digiB ASE E is designated the SyncMaster unit as discussed in see Section 2 2 LAN PoE RJ45 8P8C jack accepts Power over Ethernet PoE from the accompanying single port injector or any other IEEE 802 3af switch 4 3 Use with Lanthanum Chloride and Lanthanum Bromide Detectors The latest lanthanum halide detectors are appearing with 12 pin PMTs for the smaller size 1 in x 1 in crystals on 1 5 in PMTs and 8 stage as opposed to 10 stage 14 pin bases on 2 in and 3 in PMTs for the larger crystal sizes If required compatibility can be achieved through the use of adaptors Contact ORTEC or your detector vendor for more information 4 4 Computer Controls and Indicators All controls and readouts are implemented in the MAESTRO MCA Emulation Software included with the digiBASE E For more complex applications the digiBASE E is completely compatible with our ScintiVision 32 MCA Emulation and Analysis Software for Scintillation 28 4 SPECIFICATIONS Detector Spectra A35 B32 Use the 11 32 CONNECTIONS Programmer s Toolkit for creating custom software 4 5 Electrical Mechanical and Environmental Dimensions 2 5 in 6 35 cm diameter x 4 7 in 11 94 cm length Weight Net 0 79 lbs 0 36 kg Shipping 5 165 2 27 kg Power Requirement lt 3
13. Properties for digiBASE site P3 The presets can only be set on an instrument that is not acquiring data during acquisition the preset fields are disabled You can use 3000000 Real Time s either or both presets at one time Amplifier Amplfier2 ADC Stabilizer HighVoltage About Status Presets To disable a preset enter a value ERES of zero If you disable both presets ROI Peak ents data acquisition will continue until manually stoppe d ROI Integral cnts When more than one preset is enabled set to a non zero value the first condition met during the acquisition causes the digiBASE E to stop This can be useful when you are analyzing samples of widely varying activity and do not know the general activity before counting For example the Live Time preset can be set so that sufficient counts can be obtained for proper calculation of the activity in the sample with the least activity But if the sample contains a large amount of this or another nuclide the dead time could be high resulting in a long counting time for the sample If you set the ROI Peak preset in addition to the Live Time Figure 15 digiBASE E The Presets Tab 22 3 USING THE DIGIBASE E preset the low level samples will be counted to the desired fixed live time while the very active samples will be counted for the ROI peak count In this circumstance the ROI Peak preset can be viewed as a safety valve The values of all presets
14. Response GAIN ADJU 100 100 100 100 41 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors LIST_GAIN_CONVERSION digiBASE E operates at a conversion gain of 256 512 1024 or 2048 channels Response GAIN_CONV 256 512 1024 2048 LIST_GAIN_FINE Lists the valid fine gain settings digiBASE E has a fine gain range between 0 33 and 1 00 Response GAIN_FINE 0 33 1 00 2097152 6291456 LIST_GATE Lists the available gate modes for the digiBASE E The order of the modes returned with this commands determines the index number used with the SET GATE command See also SHOW GATE Response GATE None AcqCntrol AcqTrigger CoincGate EventCounter Routing Sync SyncMaster LIST HV Lists the valid high voltage settings digiBASE E accepts HV values between 0 and 1200 V in 960 steps 1 25 V step Response HV 0 1200 0 960 LIST ROI SAMPLE Lists the various status bits that can be displayed in InSight mode Response ROI SAMP lt none gt PileUpReject NegBLDisc BLR PosBLDisc Busy Gate PeakDet LIST SHAP FLAT Displays the valid flattop settings in microseconds Response SHAP FLAT 0 04 2 00 1 50 Settings are 0 04 to 2 00 in 40 ns steps LIST SHAPE RISE Lists the valid rise time settings in microseconds Response SHAP RISE 0 6 2 00 15 50 Settings are 0 6 to 2 00 in 40 ns steps 42 5 FIRMWARE COMMANDS AND RESPONSES LIST_TRIG_SAMPLE Lists the various trigger
15. ScintiVision 32 26 4 SPECIFICATION S cte eee ave dite E o CPU DC m Tate d 27 41 Performance e DGG e ne Bik MG Mae eb NG Ui e 27 42 Mahal eae ad 28 4 3 Use with Lanthanum Chloride and Lanthanum Bromide Detectors 28 4 4 Computer Controls and Indicators 0 0 ee cee eee ee 28 4 5 Electrical Mechanical and 1 29 4 6 Feature Mask Bits serbere IST dd Riv ysis AS eg Be ERG 29 5 FIRMWARE COMMANDS AND RESPONSES 35 9 1 CONNECTIONS ciet setae gay pat imet de PEE 35 35 1 1 Command Records ries ded ted Se MEE 35 5 1 2 Percent Response Records 0 0 0 0 eee cece eee 36 5 1 3 Dollar Response Records 38 5 1 4 Command Catalog eeseeseeeleeee e 38 APPENDIX A SETTING THE COARSE GAIN JUMPER 61 APPENDIX B LIST MODE NT eue Tb we CER NES 63 B l last ModeDat sspe pei eC ea p cede eec ie aee Dux oe ei a 63 INDEX wees i ee a BS 65 iv Safety Instructions and Symbols This manual contains up to three levels of safety instructions that must be observed in order to avoid personal injury and or damage to equipment or other property These are DANGER Indicates a hazard that coul
16. an IP address for the digiBASE Automatic assignment of a dynamic IP address by your network s Dynamic Host Configuration Protocol DHCP server Manual assignment of a static IP address Dynamic We recommend using the DHCP option where available because it is simplest and least prone to address incompatibility issues If you connect one or more powered on digiBASE Es to a network with a DHCP server it will assign each digiBASE E a dynamic IP address Then when 12 2 GETTING STARTED you run the digiBASE E Ethernet Device Controller software you can choose to accept the assigned address for each instrument or unmark the DHCP checkbox to switch to the manual option Static If assigning static IP addresses for standalone applications or for networks without a DHCP server consult your network administrator first An incorrect setting in any of the IP address fields will prevent the digiB ASE E from communicating properly Be sure to see Section 2 5 on moving statically addressed digiBASE Es without incurring communication errors The digiB ASE E is factory assigned the static IP address 169 254 0 127 If you connect a new digiBASE E to a PC that does not have network access this is the IP address you will see the first time you run the accompanying digiBASE E Ethernet Device Controller program Note that it can take 5 or more minutes for the PC and digiBASE E to establish communication During this period Windows will typi
17. as greater than or equal to 4294967295 maximum reportable value SHOW_INTEGRAL_PRESET Reports the current ROI integral preset value For more information about the ROI integral preset see SET INTEGRAL PRESET See also SHOW INTEGRAL Responses G0000000000075 lt CR gt Integral preset reported as 0 G4294967295132 lt CR gt Integral reported as 4294967295 SHOW_LENGTH_SAMPLE Reports the number of points in the InSight Mode Waveform Response C00256100 256 points in the waveform SHOW LIVE Reports the contents of the live time counter in units of 20 ms 50 ticks s See also CLEAR COUNTERS and SET LIVE Responses G0000000000075 lt CR gt Live time reported as 0 ticks G0000000001076 lt CR gt Live time reported as 1 tick 20 ms G4294967295132 CR Live time reported as 4294967295 ticks over 23000 days 53 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors SHOW_LIVE_PRES Reports the current live time preset in units of 20 ms 50 ticks s See also CLEAR_PRESETS and SET_LIVE_PRESET Responses G0000000000075 lt CR gt Live time preset reported as disabled G0000000001076 lt CR gt Live time preset reported as 1 tick G4294967295132 CR Live time preset reported as 4294967295 ticks SHOW LIVE REMAINING Reports the current live time remaining in units of 20 ms 50 ticks s See also SET LIVE REMAINING Responses G0000000000075 lt CR
18. click on the Clear Spectrum button on the MAESTRO toolbar or issue Acquire Clear e Routing If Input A is high the spectrum histogram data are routed to an alternative data memory Otherwise the data are handled as a regular spectrum histogram Currently there are two ways to access the data in the alternative data memory these are discussed in Section 2 2 19 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 3 1 4 Stabilizer The digiBASE E has both a gain stabilizer and a zero stabilizer their operation is discussed in more detail in the MAESTRO User s Manual The Stabilizer tab Fig 11 shows the current values for the stabilizers The value in each Adjustment section shows how much adjustment is cur rently applied The Initialize buttons set the adjustment to 0 If the value approaches 90 or above the amp lifier gain should be adjusted so the stabilizer can continue to function when the adjustment value reaches 100 the stabilizer cannot make Properties for digiBASE_site_P3 About Status Presets Amplifier Ampliier2 ADC Stabilizer High Voltage Zero Stabilization Enabled Center Chan 305 Width 32 Suggest Region Gain Stabilization Enabled Center Chan 0 Width 1 Suggest Region Adjustment Adjustment Initialize 0 Initialize 0 Figure 11 digiBASE E Stabilizer Tab further corrections in that d
19. for each command are listed in the command dictionary The following list provides the general form of each dollar response record for the MCB API In this list lower case letters represent numeric values The letters cee always represent an 8 bit unsigned checksum of all characters on the record up to but not including the checksum characters and CR represents the ASCII carriage return character Axxxccc CR xxx is a single 8 bit unsigned number Cxxxxxccc CR XXxxx is a single 16 bit unsigned number 0 lt gt 16 bit unsigned numbers lt gt is a single 16 bit alarm mask Fssss lt CR gt 5555 is a variable length ASCII character sequence no checksum is sent with this record Gxxxxxxxxxxcccc CR XXXXXXXxxx is a single 32 bit unsigned number IT lt CR gt True response to a SHOW command no checksum IF lt CR gt False response to a SHOW command no checksum Jxxxxxyyyyy ccc CR Response to SHOW CONFIGURATION command Mxxxxxxxxxx ccc CR Response to SHOW STATUS command Nxxxyyyzzzccc lt CR gt yyy and zzz are 8 bit unsigned numbers 5 1 4 Command Catalog This section lists each command with a description of its operation The descriptions include a list of any unusual responses that may result As described in previous sections the usual response from a command is a 000000069 lt CR
20. for the currently selected MCA are shown on the Status Sidebar These values do not change as new values are entered on the Presets tab the changes take place only when you Close the Properties dialog Enter the Real Time and Live Time presets in units of seconds and fractions of a second These values are stored internally with a resolution of 20 milliseconds ms since the MCA clock increments by 20 ms Real time means elapsed time or clock time Live time refers to the amount of time that the MCA is available to accept another pulse 1 is not busy and is equal to the real time minus the dead time the time the MCA is not available Enter the ROI Peak count preset value in counts With this preset condition the MCA stops counting when any ROI channel reaches this value unless there are no ROIs marked in the MCA in which case that MCA continues counting until the count is manually stopped Enter the ROI Integral preset value in counts With this preset condition the MCA stops counting when the sum of all counts in all channels marked with an ROI reaches this value This has no function if no ROIs are marked in the MCA 3 2 Troubleshooting 3 2 1 Connection Failed Socket Error Incompatible Static IP Address If you move a digiBASE E with a static IP address to a different network or PC without following the instructions in Section 2 5 the IP address currently assigned to the digiBASE E could be incompatible with the new network
21. gt Live time remaining reported as disabled G0000000001076 lt CR gt Live time remaining reported as 1 tick G4294967295132 lt CR gt Live time remaining reported as 4294967295 ticks SHOW_LLD Shows the lower level discriminator setting See also SET_LLD Responses C00050092 The LLD is 50 SHOW MODE Reports mode of operation List PHA or Sample InSight Response FPHA lt CR gt PHA mode FLIS lt CR gt List mode FSAM lt CR gt Sample InSight mode SHOW MONI LABEL num Returns with an ASCII string label designation for the state of health parameter for num SHOW MONI MAX Returns with the number of monitors available for viewing SHOW MONI VALUE num Returns with an ASCII representation of the value for the monitor For the digiBASE E SHOW MONI VALUE 0 returns the 32 bit event counter value 54 5 FIRMWARE COMMANDS AND RESPONSES SHOW_NAI Indicates whether MCB is in Nal Mode Responses are true and false Responses IT lt CR gt digiBASE E is always in Nal mode SHOW_NEXT Used in conjunction with the SHOW_ROI command SHOW_NEXT reports the next continuous group of channels that have the ROI flag set The response is of the form Dsssssnnnnnccc CR where sssss represents an integer number that is the number of the first channel of the next group of channels that all have their ROI bit set and nnnnn represents an integer number that is the number of channels in the group If no more chan
22. sources in InSight mode Response TRIG_SAMP Random LLD PeakDet Gate LIST_ZERO_ADJUST Displays the range of zero stabilizer adjustment that can be returned with the SHOW ZERO ADJUST command A value of 100 corresponds to the internal value of 100 and 100 corresponds to 100 Response ZERO ADJU 100 100 100 100 RESET Resets the digiBASE E to the state just after power is applied This command responds with a response that indicates power up just occurred RESET REMOTE Resets any UART error conditions when sent to the digiBASE E via the Ethernet SAMPLE Causes a waveform to be captured in InSight mode Response 000128080 No waveform was available 000000069 New waveform was successfully captured SET_DATA start chans value If the optional start and chans parameters are included in this command the range of channels specified by start and chans is loaded with value If start and chans are not specified sets all channels of spectral data in the window of interest see SET WINDOW command to the specified value ROI flags are not affected SET DATA APPLICATION stringl string2 This is used to store information in the digiBASE E internal memory that can be used by other programs such as sample descriptions and energy calibrations CONNECTIONS makes use of this feature String the data identifier 32 bytes maximum string2 the data 128 bytes maximum SET DISPLAY SET FRONT BYP No function in the digiB AS
23. 001088 lt CR gt Gain width has not been set C00003089 lt CR gt Gain width is 3 channels lowest possible width C00256100 lt CR gt Gain width is 256 channels 51 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors SHOW_GATE Reports the current setting for the GATE Enable Input The digiBASE E gate modes are discussed in Section 2 2 See also SET_GATE and LIST_GATE Example Responses FONone lt CR gt Gate disabled F1AcqCntrol lt CR gt F2AcqTrigger lt CR gt F3CoincGate lt CR gt F4EventCounter lt CR gt F5Routing lt CR gt F6Sync lt CR gt F7SyncMaster lt CR gt SHOW_HV Reports the current high voltage and the status of the high voltage power supply in the form Dvvvvvsssssccc CR Where vvvvv represents the current output voltage if the high voltage is enabled or the rear panel high voltage setting if the high voltage is disabled sssss represents the status of the high voltage bias supply as a 16 bit decimal number with the following bit definitions Bit 0 LSB Bias supply polarity 0 1 negative Bit 1 Bias supply overload O overload 1 normal Bit 2 High voltage enabled O disabled 1 enabled Example Responses D0100000003077 lt CR gt 1000 V negative not overloaded disabled D0100000002076 lt CR gt 1000 V positive not overloaded disabled D0100000007082 lt CR gt 1000 V negative not overloaded enabled
24. 1088 SHOW SEG Returns the current segment number Always 1 for the digiB ASE E SHOW SHAP FLAT Reports the width of the flattop in uis See also SET SHAP FLAT Responses SHAP FLAT 000000000000 64 Flattop setting 0 64 us 56 5 FIRMWARE COMMANDS AND RESPONSES SHOW SHAP RISE Displays the rise time setting in us See also SET SHAP RISE Responses SHAP RISE 000000000000 64 SHOW SNUM Rise time setting 0 64 us Responds with a F record indicating the serial number of the digiBASE E Response F100 SHOW STATUS Serial number 100 Returns system status information in the following format Miilllilittttttttttaaaaahhhhhccc CR where MIHINI represents the live time as returned by the SHOW LIVE command tttttttttt represents the true time for the current device as returned by the SHOW TRUE command aaaaa represents the active device mask as returned by the SHOW ACTIVE DEVICES command and hhhhh represents the hardware status which is an ASCII representation of a 16 bit decimal number with the following bit definitions Bit 0 LSB Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bits 6 7 Bit 8 Bit 9 Bits 10B14 Bit 15 MSB SHOW TIME SAMP Bias supply polarity 0 positive 1 negative Always 1 in digiBASE E Bias supply overload 0 overload 1 2 normal Always 1 in digiBASE E High voltage enabled if actual HV gt 10 V 0 disabled 1 enabled Unused Unused Unused Unused Unus
25. 137085 lt CR gt Device already started high voltage not enabled and amplifier was not pole zeroed The command was ignored Device preset already exceeded and high voltage not enabled The command was ignored Device preset already exceeded high voltage not enabled and amplifier was not pole zeroed The command was ignored Power up just occurred and the selftest results are All power up selftest passed Battery backed up data lost Invalid command verb Invalid command noun Invalid command verb and noun Invalid command modifier Invalid command verb and modifier Invalid command noun and modifier Invalid command verb noun and modifier Invalid command verb noun and modifier valid but not together Command checksum incorrect only when optional checksum provided Command record too long Invalid 1st command parameter Invalid 2nd command parameter Invalid 3rd command parameter Invalid number of command parameters Invalid device or segment selected Command not allowed while acquisition in progress Command not allowed in current mode of operation Hardware failure detected while processing command 37 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 5 1 3 Dollar Response Records SHOW and STEP commands respond with a single dollar response record followed immediately by a percent response record All valid dollar response records
26. 168 00000000000 SHOW GAIN ADJUST Returns percentage adjustment that has been applied by the stabilizer SHOW GAIN CHANNEL Reports the current center channel for the stabilizer gain peak or zero if the gain channel has not been set See also SET GAIN CHANNEL 50 5 FIRMWARE COMMANDS AND RESPONSES Responses C00000087 lt CR gt Gain channel has not been set C00002089 lt CR gt Gain channel is channel 2 lowest possible channel C00250094 lt CR gt Gain channel is channel 250 SHOW_GAIN_CONVERSION This command returns the conversion gain for the digiBASE E which can be 256 512 1024 or 2048 channels Responses C02048101 lt CR gt Conversion gain reported as 2048 channels SHOW_GAIN_FINE Returns the current fine gain setting not the coarse gain setting see Appendix A See SET_GAIN_FINE Sample Response GAIN_FINE 000000 44439999 Fine gain is set to 04444 SHOW_GAIN_POLARITY Returns the polarity of the amplifier input as F records Responses IPOS lt CR gt Always positive in digiBASE E SHOW_GAIN_STABILIZATION Reports the state of gain peak stabilization See also ENABLE_GAIN_STABILIZATION and DISABLE_GAIN_STABILIZATION Responses IT lt CR gt Gain stabilization is currently enabled IF lt CR gt Gain stabilization is currently disabled SHOW_GAIN_WIDTH Reports the current width for the stabilizer gain peak See also SET_GAIN_WIDTH SET_GAIN_CHANNEL and SHOW_GAIN_CHANNEL Responses C00
27. 2 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 Meaning Software selectable MCS mode input sources Uncertainty statistical preset SET_UNCERT_PRES Features vary by input SHOW_FEATURES depends on device segment multi input MCBs only Software selectable HV shutdown mode SET SHOW VERI_SHUT Software selectable shaping time constants SET_SHAP Explorable shaping time constants SHOW_CONFIG_SHAP Advanced shaping time SET_SHAP_RISE SET_SHAPE_FLAT etc Software selectable BLR ENA DIS SHO_BLR_AUTO SET SHO VERI_BLR SHOW_STATUS command supported returns M record Overflow preset ENA DIS SHO_OVER_PRES Software enabled MicroONOMAD style audio clicker ENA DIS CLICK Software readable thermistor SHOW_THERM Floating point fine gain SET SHO VERI LIST_GAIN_FINE Software enabled pileup rejector ENA DIS SHO_PUR SET VERI WIDT REJ Alpha style HV power SHOW HV CURRENT Software readable vacuum SHOW VACUUM Acquisition alarms ENA DIS SHO ALARM Hardware acquisition trigger ENA DIS SHO TRIG Ordinal numbers for shaping times SET SHAP 0 SET SHAP 1 Query gain ranges LIST VERI GAIN FINE COAR CONV Routable inputs SET SHOW INPUT ROUTE Beginning of 3rd word External dwell support ENA DIS DWELL EXT Selectable SUM or REPLACE MCS modes ENA DIS SUM External start of pass support ENA DIS SHO START EXT Explorable with MCS list commands LIST SOURCE LIST LLSCA LIST ULSCA Device supports the MDA preset Sof
28. 32 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 2 GETTING STARTED 2 1 The digiBASE E Figure 1 shows the digiBASE E connectors on both the top and bottom panels including the pin assignments for the socket base which accepts JEDEC B14 38 PMT pin bases Table 1 The digiBASE E operates on Power over Ethernet PoE The CATSE Ethernet cable runs to a single port PoE injector that requires an ac power source see the specifications in Chapter 4 LINK digiBASE E Figure 1 The digiBASE E Connectors Table 1 JEDEC B14 38 PMT Pin Base Pinouts 1 410 dynodes 1 10 n m 2 2 Data Acquisition Gate Modes In multi detector measurement systems there is often a need to synchronize data acquisition for example in a mobile gamma ray search system the data from all detectors must be correlated to correctly map the activity distribution over an area The digiB ASE E provides flexible gating features events from multiple spectrometers may be correlated to within 100 milliseconds This is achieved by the use of a gate input and a gate output digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors The gate input can accept multiple signal types which you can select from the ADC property page in MAESTRO supplied or from a customer written program command syntax is described
29. 6 channels SET GAIN CONVERSION 1024 lt CR gt Conversion gain set to 1024 channels SET GAIN FINE value Sets the fine gain to value Value is a floating point value from 0 3333 to 1 0000 Note that this command does not reflect the setting of the coarse gain jumper discussed in Appendix A See also SHOW GAIN FINE Legal Commands SET GAIN FINE 0 55 CR Fine gain set to 0 55 SET GAIN POSITIVE Sets the amplifier input polarity to positive SET GAIN PRESET count No function in the digiB ASE E included for backward compatibility 44 5 FIRMWARE COMMANDS AND RESPONSES SET GAIN WIDTH chans Sets the width in channels for the stabilizer gain peak The gain width must be chosen such that the beginning channel is no lower than channel 0 and the ending channel is no higher than the maximum channel as determined by the conversion gain The gain channel and width must be set before gain stabilization can be enabled The absolute minimum width for the gain peak is 3 channels See also SHOW GAIN WIDTH SET GAIN CHANNEL and SHOW GAIN CHANNEL Execution Errors 131128085 lt CR gt The specified number of channels would create a peak that was less than the minimum 3 channel width or would be outside the device s range 131136084 lt CR gt The command was attempted while gain stabilization was enabled SET_GATE value Sets the gate to a value from 0 to 7 according to the gate order displayed with LIST_GATE See also SHOW
30. AI ENABLE PUR Turns on the pulse pileup rejector See also DISABLE PUR 40 5 FIRMWARE COMMANDS AND RESPONSES ENABLE_REMOTE No function in the digiBASE E This command has been included for backward compatibility ENABLE_THRESHOLD_AUTOMATIC Enables automatic determination of the positive and negative thresholds See also DISABLE_THRESHOLD_AUTO SHOW_THRESHOLD_AUTO SET_THRESHOLD_NEGATIVE and SET_THRESHOLD_POSITIVE ENABLE_THRESHOLD_SAMPLE ENABLE TRIGGER SPECIAL No function included for backward compatibility ENABLE ZERO STABILIZATION Enables the stabilization of the zero peak See also DISABLE ZERO STABILIZATION SHOW ZERO STABILIZATION and INITIALIZE ZERO STABILIZATION INIT Resets the digiBASE E to factory defaults INIT GAIN STABILIZATION Resets the gain peak stabilization adjustment to 1 0 no adjustment This value is reported as 0 by the SHOW GAIN ADJUSTMENT command See also SET GAIN ADJUSTMENT ENABLE GAIN STABILIZATION and DISABLE GAIN STABILIZATION INIT ZERO STABILIZATION Resets the zero peak stabilization adjustment to 0 no adjustment This value is reported as 0 by the SHOW ZERO ADJUSTMENT command See also SET ZERO ADJUSTMENT ENABLE ZERO STABILIZATION and DISABLE ZERO STABILIZATION LIST GAIN ADJUST Displays the range of gain stabilizer adjustment that can be returned with the SHOW GAIN ADJUST command A value of 100 corresponds to the internal value of 100 and 100 corresponds to 100
31. E E included for backward compatibility 43 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors SET_GAIN_ADJUSTMENT value Sets the gain stabilization adjustment to an arbitrary value from 65535 to 65535 This adjustment is usually made only by the gain stabilizer and reset to 0 with the INITIALIZE_GAIN_STABILIZATION command See also SHOW_GAIN_ADJUSTMENT Execution Errors 131134082 lt CR gt The command was attempted when the currently selected device was other than device 1 SET GAIN CHANNEL chan Sets the center channel for the stabilizer gain peak If a gain channel is chosen such that the beginning channel or ending channel would be below channel 0 or above the maximum channel as determined by the conversion gain the gain peak width is reduced until the peak fits the device boundaries Execution Errors 76131128085 CR The specified channel number would create a peak that was less than the minimum width 3 channels or would be outside the device s range 76131136084 CR The command was attempted while gain stabilization was enabled SET GAIN CONV value Sets the conversion gain The conversion gain defines the number of channels within the device that will used for spectral data See also SHOW GAIN CONVERSION Legal Commands SET GAIN CONVERSION 0 CR Conversion gain set to default 2048 SET GAIN CONVERSION 256 CR Conversion gain set to 25
32. Inter LAN or High Speed Inter Connected Connected Device Name Phone or Host Addre Local Area Connection Status General Support Connection Connected 12 days 03 33 33 100 0 Mbps Status Duration Speed Activity Sent 9 Received Calls Packets 5 493 734 5 606 539 Select the TCP IP entry from the list of network protocols Fig 17 and select Properties Figure 18 shows the TCP IP properties dialog Select the Use the following IP address option i e the option that allows you to manually enter the IP address Set the first two bytes dot address sections of the IP address and the Subnet mask to the values you recorded for the digiBASE E see the circled portions of Fig 18 Click on OK Re run the Ethernet Device Controller program It should now locate the digiB ASE E and display its serial number without generating errors 3 USING THE DIGIBASE E Click to highlight the digiB ASE E If you will be using the new network s DHCP server to assign an IP address simply mark the DHCP checkbox click on Save and close the device controller program window If manually setting the IP address leave the DHCP box unmarked enter an IP address compatible with the new network Save and close the device controller program window Local Area Connection Properties Internet Protocol TCP IP Properties p o General Authentication Advanced General Connect using
33. Kit instructions for more detailed information on this operation If the digiBASE E is not displayed on the Master Instrument List shut down and restart the PC then re run the MCB Configuration program If you still cannot communicate with the digiBASE E contact your ORTEC representative or our Global Service Center 4 SPECIFICATIONS 4 1 Performance Conversion Gain 256 512 1024 or 2048 channels selectable in software Coarse Gain Gain settings of 1 3 and 9 controlled by jumper setting as described in Appendix A Gain 0 33 1 0 Integral Nonlinearity lt 0 05 over the top 99 of the range Differential Nonlinearity lt 1 over the top 99 of the range Dead Time Accuracy lt 5 error up to 50 kcps input count rate Dead time is measured with the Gedcke Hale live time clock Detector Voltage 0 V dc to 1200 V dc in steps of 1 25 V under computer control with read back of actual voltage Offset Drift 50 ppm of full scale range per C Gain Drift 150 ppm per C Digital Filter Shaping Time Constants Rise time 600 ns to 2 us in 40 ns steps Flattop 40 ns to 2 us in 40 ns steps Presets Live Time Up to 8 5x10 seconds in steps of 20 ms Real Time Up to 8 5x10 seconds in steps of 20 ms Spectrum Stabilizer The digiBASE E features built in gain and offset stabilization circuitry Stabilization is performed by providing a reference peak in the spectrum which the MCA can monitor should drift be detecte
34. You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for E Realtek RTL8139 Family PCI Fast Et the appropriate IP settings This connection uses the following items Obtain an IP address automatically 8 File and Printer Sharing for Microsoft Networks y 19 005 Packet Scheduler IP address Internet Protocol TCP IP Subnet mask Default gateway lt Description Transmission Control Protacol Intemet Protocol The default Use the following DNS server addresses wide area network protocol that provides communication across diverse interconnected networks Preferred DNS server Alternate DNS server x Show icon in notification area when connected Notify me when this connection has limited or no connectivity Figure 17 Select the TCP IP Protocol Figure 18 Manually Enter Subnet Settings Matching the digiBASE E Settings Return to your PC s TCP IP properties dialog Fig 18 and either re select the Obtain an IP address automatically setting or return the manual entry to its original IP address Click on OK then back out of the LAN properties dialogs Run MCB Configuration per normal Section 2 3 5 If you still cannot communicate with the digiBASE E contact your ORTEC representative or our Global Service Center 25 digiBASE E High Performance Power over Ethernet Multichannel Anal
35. _GATE The gate modes are discussed in Section 2 2 See also SHOW_GATE and LIST_GATE Legal Commands SET_GATE 0 lt CR gt Gate modeNone SET_GATE 1 lt CR gt Gate mode AcqCntrol SET_GATE 2 lt CR gt Gate mode AcqTrigger SET_GATE 3 lt CR gt Gate mode CoincGate SET_GATE 4 lt CR gt Gate mode EventCounter SET_GATE 5 lt CR gt Gate mode Routing SET_GATE 6 lt CR gt Gate mode Sync SET_GATE 7 lt CR gt Gate mode SyncMaster SET_HV value This sets the HV bias to value in volts and stores value as the target HV SET_LENGTH_SAMPLE length Sets the number of points in the Insight mode display to the specified value Normally this setting would remain at 1000 SET_LIVE ticks Sets the live time counter to the specified number of ticks The number represents live time in units of 20 ms 50 ticks s Normally this value is set by the digiBASE E during data acquisition See also CLEAR_COUNTERS and SHOW_LIVE 45 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Execution Errors 131135083 lt CR gt The command was attempted while spectrum acquisition wasin progress No action was taken SET_LIVE_PRESET ticks Sets the live time preset to the specified number of ticks 20 ms tick During data acquisition when the live time counter reaches the preset number of ticks the preset is complete and the acquisition is stopped Setting a live time preset to 0 ticks disables the
36. abilizer HighVoltage currently selected digiBASE E as AS EI e well as the data Acquisition Start digiBASE_site_P3 Time and Sample description In addition the Access field shows whether the digiB ASE E is cur rently locked with a password see the password discussion in the 17 43 14 Friday July 24 2009 Read Write MAESTRO User s Manual p zn m OMM Firmware Revision Serial Number Acquisition Mode Read Write indicates that the unit DBEE 220 134 PHA is unlocked Read Only means it is locked Figure 13 digiBASE E About Tab 21 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 3 1 7 Status Figure 14 shows the Status tab The Properties for digiBASE_site_P3 32 bit Event Counter functions when the Gate function on the ADC tab is set to EventCounter and the digiBASE E is actively acquiring data in a spectrum Under these con ditions the counter accrues the number of events at the A IN input since the Start command was issued To clear this counter click on the Clear Spectrum button on the MAESTRO toolbar or issue Acquire Clear Amplifier Amplfier2 ADC Stabilizer HighVoltage About Status Presets Figure 14 digiBASE E Status Tab You can also retrieve the counter value with the SHOW MONI VAL 0 firmware command 3 1 8 Presets Figure 15 shows the Presets tab
37. al transit handling and must be shipped PREPAID via Air Parcel Post or United Parcel Service to the designated ORTEC repair center The address label and the package should include the Return Authorization Number assigned Instruments being returned that are damaged in transit due to inadequate packing will be repaired at the sender s expense and it will be the sender s responsibility to make claim with the shipper Instruments not in warranty should follow the same procedure and ORTEC will provide a quotation Damage in Transit Shipments should be examined immediately upon receipt for evidence of external or concealed damage The carrier making delivery should be notified immediately of any such damage since the carrier is normally liable for damage in shipment Packing materials waybills and other such documentation should be preserved in order to establish claims After such notification to the carrier please notify ORTEC of the circumstances so that assistance can be provided in making damage claims and in providing replacement equipment if necessary Copyright 2013 Advanced Measurement Technology Inc All rights reserved ORTEC is a registered trademark of Advanced Measurement Technology Inc All other trademarks used herein are the property of their respective owners TABLE OF CONTENTS Installation p 7 Quick reference diagram p 8 WARRANTY eese at ret ete tels ue S
38. any part thereof that gives rise to the claim In the event ORTEC fails to manufacture or deliver items called for in this agreement or purchase order ORTEC s exclusive liability and buyer s exclusive remedy shall be release of the buyer from the obligation to pay the purchase price In no event shall ORTEC be liable for special or consequential damages Quality Control Before being approved for shipment each ORTEC instrument must pass a stringent set of quality control tests designed to expose any flaws in materials or workmanship Permanent records of these tests are maintained for use in warranty repair and as a source of statistical information for design improvements Repair Service If it becomes necessary to return this instrument for repair it is essential that Customer Services be contacted in advance of its return so that a Return Authorization Number can be assigned to the unit Also ORTEC must be informed either in writing by telephone 865 482 4411 or by facsimile transmission 865 483 2133 of the nature of the fault of the instrument being returned and of the model serial and revision on rear panel numbers Failure to do so may cause unnecessary delays in getting the unit repaired The ORTEC standard procedure requires that instruments returned for repair pass the same quality control tests that are used for new production instruments Instruments that are returned should be packed so that they will withstand norm
39. ation with the digiBASE E takes place through the CONNECTIONS software layer Connections is used by all ORTEC software and the CONNECTIONS Programmer s Toolkit A11 B32 is available for other software development 5 1 CONNECTIONS In CONNECTIONS the communication consists of sending command records to the MCB API and receiving response records from the MCB API Both command and response records consist of a sequence of printable ASCII characters followed by an ASCII carriage return The single exception to this rule is the B response record for the WRITE command which contains binary integer numbers All commands eventually respond with a percent response record so named because the response begins with an ASCII percent sign which signifies the completion of the command SHOW and STEP commands respond with a dollar response record which begins with an ASCII dollar sign followed by a percent response record The WRITE command can respond with multiple pound sign records which begin with an ASCII pound sign but eventually completes by sending a percent response record All other commands result in a single percent response record upon completion 5 1 1 Command Records Commands consist of a command header that may be followed by numeric parameter values The header consists of a verb or a verb and noun separated by an underscore or a verb noun and modifier each separated by underscores The verbs nouns
40. cally display an acquiring network address message in the lower right corner of the screen If using multiple digiB ASE Es on a non networked PC all will initially have the same factory default IP address Run the Ethernet Device Controller program then attach to and manually assign a unique IP address to each otherwise they will not communicate correctly Suggestion change the value in the fourth dot section triad 127 to 126 for the second digiBASE E 125 for the third digiB ASE E and so on IMPORTANT READ SECTION 2 5 AND RECORD STATIC IP ADDRESSES Section 2 5 tells how to move a digiBASE E with a static IP address to a different network without encountering communication errors However if you assign the digiBASE E a static IP address we strongly recommend that you record the IP address subnet mask and default gateway and store this information where it can be retrieved You could need it if the instrument is moved to a network with an incompatible subnet address In most cases of incompatible addressing the Ethernet Device Controller program will display the digiBASE E s static address However for the cases in which the device controller program cannot read the static address if it is not recorded and available you must contact your ORTEC representative or our Global Service Center for assistance This address falls within the Automatic Private IP Addressing range 169 254 0 0 to 169 254 255 255 See Microso
41. cified number of ticks 20 ms tick During data acquisition when the true time counter reaches the preset number of ticks the preset is complete and the acquisition is stopped Setting a true time preset to 0 ticks disables the 47 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors preset The preset should always be set to a multiple of one second See also CLEAR_PRESETS and SHOW_TRUE_PRESET Execution Errors 131135083 lt CR gt The command was attempted while spectrum acquisition was in progress No action was taken SET_ULD chans Sets the upper level discriminator to chans which must be between 0 and conversion gain 1 See also SHOW_ULD SET VIEW value Supports the digiBASE E Routing gate mode Switches the data view in the MAESTRO spectrum window between the regular histogram memory SET VIEW 0 and the alternative histogram memory SET VIEW 1 Note that this command affects only the spectrum view for the local PC Users attached to this digiBASE E via other network nodes will by default see the regular histogram memory data in MAESTRO SET WINDOW start length Sets the window of interest to the specified start channel and number of channels The channels of spectral data in the window of interest are affected by commands such as CLEAR SET DATA and WRITE If neither start nor length is provided the window is set to the maximum size allowed by the conve
42. cted the dialog shown in Fig 7 will remind you that all new instruments must be assigned a unique non zero ID number Click on OK This is the first time you have configured these detectors All detectors must have an ID number Since none of your detectors have ID numbers it is recommended that you press Renumber All to establish initial ID numbers for your detectors Figure 7 Assign a Non Zero ID Number See the CONNECTIONS Driver Update Kit for instructions on customizing ID Numbers and Descriptions or simply click on the Renumber New button to renumber only the new instruments NOTE We recommend not using the Renumber button In addition we strongly recom mend not renumbering MCBs that belong to other users as this could affect the interaction between their MCBs and their ORTEC software for instance if they control their MCBs with JOB files e g the JOB file command SET DETECTOR 5 or use the ORTEC GammaVision or ISOTOPIC spectroscopy applications If this is a first time installation of ORTEC products all your instruments will be new 15 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors REMINDER Be sure to run the Ethernet Device Controller program followed by MCB Configuration any time you attach a new digiBASE E or any other new ORTEC MCB to your PC or network 2 4 Multiple Users Can Attach to the Same dig
43. d the gain and offset of the system are adjusted automatically to correct for the drift The stabilizer can correct for 10 of FSR error in offset and uses the full range of the fine gain to correct for gain errors 5 Jenkins R W Gould and Dale Gedcke Quantitative X Ray Spectrometry New York Marcel Dekker Inc 1981 pp 266 267 27 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Throughput Maximum throughput with the appropriate scintillator is 196k cps with a 532k cps input rate Note that peaking time Rise Time Flattop should not be less than 4x the light collection time of the scintillator i e NaI should not be less than about 1 ps List Mode Acquisition Each valid event is converted to a digital value and transmitted to the computer along with a time stamp accurate to 160 ns See Appendix B Histogram Mode Acquisition data are histogrammed within the digiB ASE E Data channels are 31 bits Most significant bit is ROI bit Spectrum Transfer Transfer of any single spectrum takes lt 15 ms This transfer is independent of the acquisition and does not create dead time for the acquisition of additional data 4 2 Inputs A IN SMA input connector accepts LVTTL signals 3 3 V that function depending the Gate setting on the ADC tab under Acquire MCB Properties in MAESTRO see Section 2 2 Input impedance is 1 KQ to 3 3 V protected to 5 V B
44. d MAESTRO MCA Emulation Software or from a user program Command syntax is provided in Chapter 5 The gate input modes are Coincidence Gate mode In this mode during acquisition the gate is only open to the passage of data when this input is True Trigger mode ACQ gate In this mode application of a True pulse to the gate starts data acquisition Routing mode In PHA mode the presence of a True level results in data being routed to an alternate spectral memory List Mode Event Gate In this mode the presence of a TRUE level at the gate input results in the associated list mode event s receiving a data tag The gate output is a bridged version of the gate input It provides the master output for use with slave digiBASE E instruments in a multi detector system In this mode the master gate out connects to the slave gate s in For more detailed information on the digiB ASE E gate modes see Section 2 2 1 1 4 Spectrum Analysis Made Easy The digiBASE E is supplied with our MAESTRO MCA Emulation Software A65 BW MAESTRO has all the controls needed to adjust the acquisition parameters acquire the data and save the spectra As a member of our CONNECTIONS family of ORTEC products it also provides full networking with other ORTEC MCBs and supporting computers For complete quantitative analysis ORTEC offers the ScintiVision 32 MCA Emulation and Analysis Software for Scintillation Detector Sp
45. d device and ccc represents the record checksum See Section 5 1 2 for more information about response records and checksums 49 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors SHOW_CONFIGURATION_MASK Returns two masks the first of which can be anded with data from the MCB to clear the ROI bit from the data When the second mask value is anded with data from the MCB the data bits are removed and only the ROI bit remains Response CONF_MASK 02147483647 02147483648 SHOW_CRM Returns the current reading of the count rate meter Response CRM 00000021530 Current input count rate is 21530 counts s SHOW_DATA_APPLICATION string If string matches string1 in a previous SET_DATA_APPLICATION command then string2 from that command is returned The response is a F record Execution Errors 131138085 lt CR gt The specified string could not be matched SHOW_DET_TEMP As of this release functions for special order Scionix detector with Rodan NTC thermistor 05CB102K Returns the detector temperature in degrees Celsius Response DET_TEMP 0000026 962955 SHOW_DEVICE Shows the currently selected device Always 1 for digiBASE E SHOW FEATURES Responds with four 32 bit masks indicating which features are present in the MCB See Appendix 4 6 for a complete description of each bit in the mask Example Response FEATURES 02149587261 01619623948 02175271
46. d result in death or serious bodily harm if the safety instruction is not observed WARNING Indicates a hazard that could result in bodily harm if the safety instruction is not observed CAUTION Indicates a hazard that could result in property damage if the safety instruction is not observed Safety Warnings and Cleaning Instructions DANGER Do not attempt to open the cover of this instrument as this can expose dangerous voltages Disconnect the instrument from all voltage sources while it is being cleaned WARNING Using this instrument in a manner not specified by the manufacturer may impair the protection provided by the instrument Cleaning Instructions To clean the instrument exterior Remove loose dust on the outside of the instrument with a lint free cloth Remove remaining dirt with a lint free cloth dampened in a general purpose detergent and water solution Do not use abrasive cleaners CAUTION To prevent introducing moisture into the instrument during external cleaning use only enough liquid to dampen the cloth or applicator Allow the instrument to dry completely before reconnecting it to the power source vi 1 INTRODUCTION The ORTEC digiBASE E is a complete spectroscopy solution for most scintillation detectors It includes high voltage digital signal processing of the detector pulse stream and high per formance multichannel analyzer functionality all within a standard 14 pin PMT base and offers c
47. detected Command executed as specified 000005074 lt CR gt Device already started or stopped The START or STOP command was ignored 000006075 lt CR gt Device preset already exceeded The START command was ignored 000016076 lt CR gt START requested but amplifier not pole zeroed since last power up START was attempted anyway 000032074 lt CR gt START requested but high voltage not enabled START was attempted anyway 000064079 lt CR gt Specified parameter was rounded to the closest legal value Note that the above responses can be combined to indicate a combination of warnings such as 000048081 lt CR gt Amplifier was not pole zeroed nor was high voltage enabled The START was attempted anyway 000037079 lt CR gt Device already started and high voltage not enabled The command was ignored 36 5 FIRMWARE COMMANDS AND RESPONSES 000053077 lt CR gt 000038080 lt CR gt 000054078 lt CR gt Power Up Alert 001000070 lt CR gt 003000072 lt CR gt Command Syntax Errors 129001082 lt CR gt 129002083 lt CR gt 129003084 lt CR gt 129004085 lt CR gt 129005086 lt CR gt 129006087 lt CR gt 129007088 lt CR gt 129132087 lt CR gt Communication Errors 130128084 lt CR gt 130129085 lt CR gt Execution Errors 131128085 lt CR gt 131129086 lt CR gt 131130078 lt CR gt 131132080 lt CR gt 131134082 lt CR gt 131135083 lt CR gt 131136084 lt CR gt 131
48. e ii Safety Instructions and Symbols eee een eee Safety Warnings and Cleaning Instructions 5 LOINTRODUCTION n Ru ere rote eg su se ae gd 1 digiBASE E Advantages viii es ole xe e y nU 1 1 1 1 Gain Stabilization ei acn e a ea E E eee ee 1 1 1 2 Flexible Acquisition Modes ve iia E a E ee eee S 1 113 Blexible Gating 2 2 ersten te eto arl aaa eia oo fe 2 1 1 4 Spectrum Analysis Made 2 1 2 Host PC and Software Requirements 3 1 3 About This Ma al eroe RR Le RR eR ee I a E HER Rt 3 2 GETTING STARTED 1 bere ber IN tI eret pert Et et fo uu 271 TOOLS AS ae tu a ee 3 2 2 Data Acquisition Gate Modes 2 3 Software and Hardware Installation 7 2 3 1 Step 1 Install the CONNECTIONS Driver Update Kit 9 2 3 2 Steps 2 Optional and 3 Install Your Spectroscopy Applications 9 2 3 3 Steps 4 through 7 Hardware Setup and Installation 9 2 3 4 Step 8 Use the DeviceController Program to Attach to the digiBASE E 10 2 3 4 1 IP Addressing Dynamic vs Static 12 Dynamic
49. e Height Analysis PHA acquisition mode and List Mode acquisition In list mode each gamma ray interaction event is recorded in terms of both energy as in PHA mode and time of occurrence not recorded in PHA mode The resulting data set can be sorted on the basis of both time and energy This has proven invaluable in many applications such as homeland security where for example a source is moving relative to a detector Data without the source present can be discarded on the basis of time of occurrence potentially enhancing signal to noise digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors In addition to PHA and List modes an external input allows the digiBASE E to perform as a 32 bit counter for low voltage TTL LVTTL pulses The counter can be read through the MAESTRO MCA emulation software or user created software 1 1 3 Flexible Gating In measurement systems employing multiple detectors there is often a need to synchronize data acquisition for example in a mobile gamma ray search system the data from all detectors must be correlated to correctly map out the activity distribution over an area DigiBASE E provides flexible gating features events from multiple spectrometers may be correlated to within lt 100 milliseconds This is achieved by the use of a gate input and a gate output The gate input can accept multiple signal types which can be enabled from the supplie
50. e digiBASE E firmware version number in the form Fmmmm vvv CR where mmmm is a 4 character model designator and vvv is a 3 character version designator Example Responses FDBEE 220 lt CR gt digiB ASE E firmware version 2 2 reported 5 FIRMWARE COMMANDS AND RESPONSES SHOW_VERS_LOGIC Lists the FPGA firmware version Response FFPGA version 32771 SHOW_WINDOW Reports the start channel and number of channels in the window of interest in the form Dxxxxxyyyyyccc lt CR gt where xxxxx is the start channel 0 to conversion gain 1 and yyyyy is the number of channels 1 to conversion gain See SET WINDOW for more information about the window of interest Example Responses D0000001024079 lt CR gt Window of interest reported as starting at channel 0 and continuing for 1024 channels D0000001512080 lt CR gt Window of interest reported as starting at channel 0 and continuing for 512 channels first 1 2 D0051200512088 lt CR gt Window of interest reported as starting at channel 1024 and continuing for 512 channels last 1 2 SHOW_ZERO_ADJUST Returns percentage adjustment that has been applied by the stabilizer SHOW_ZERO_CHANNEL Reports the current center channel for the stabilizer zero peak or zero if the zero channel has not been set See also SET ZERO CHANNEL Responses C00000087 CR Zero channel has not been set C00002089 CR Zero channel is channel 2 lowest possible channel C00250094 l
51. ect and power on all other local and network ORTEC instruments that you wish to use as well as their associated PCs Otherwise the MCB Configuration program will not detect them during installation Any instruments not detected can be configured at a later time 3 To start the software enter mcb in the search programs and files box then click on the MCB Configuration search result or open the Windows Start menu and click MAESTRO then MCB Configuration The MCB Configuration program will locate all of the powered on ORTEC MCBs on the local PC and the network and display the Master Instrument List of instruments found Fig 6 NOTE Once you have attached to a digiBASE E as described in Section 2 3 4 whether it is connected to the LAN or directly to your PC you can use the MCB Config uration program s command line and the L local discovery only flag to locate only the ORTEC MCBs that are physically connected to your PC plus any attached digiBASE Es See the command line discussion in the CONNECTIONS Driver Update Kit instructions 14 2 GETTING STARTED Configure Instruments Version 7 01 Number amp Description 2 digiBase E site_P2 3 digiBase E site P3 4 DS50 00P2U4 MCB 1 18 Station 3 921 P32645B Instr Input System Figure 6 MCB Numbering and Descriptions 2 3 5 1 Configuring a New Instrument Renumber Renumber New Close Cancel Help The first time a new instrument is dete
52. ectra A35 B32 In addition we offer the A11 B32 CONNECTIONS Programmer s Toolkit for those who wish to integrate the digiBASE E 2 1 INTRODUCTION into their own software systems The Toolkit offers Microsoft ActiveX controls to simplify programming with National Instruments LabVIEW and Microsoft Visual C and Visual Basic 1 2 Host PC and Software Requirements The digiB ASE E is completely computer controlled and can be operated with any suitable version of ORTEC CONNECTIONS software including the supplied MAESTRO v6 08 or later communicating via CONNECTIONS v6 12 or later The digiB ASE E connects via an RJ45 8P8C port and can be used on any PC running 32 or 64 bit Windows 7 or XP Professional SP3 NOTE You must have Windows administrator level access to install ORTEC software 1 3 About This Manual This manual describes the digiB ASE E tells how to connect it in a complete spectroscopy system gives instructions on configuring the hardware settings such as high voltage presets and gain supplies the firmware commands and responses and provides details on List Mode operation Complete details on using the control software are in the MAESTRO Software User s Manual as well as the manuals for ScintiVision 32 and our other ORTEC software applications For the purposes of this manual when we refer to MAESTRO we mean the ORTEC MCA emulator analysis application you are using e g MAESTRO ScintiVision
53. ed Unused Unused Reserved Reports the number of microseconds per channel in InSight mode See SET_MODE_ SAMP 57 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors SHOW_TRUE Reports the contents of the true time counter in units of 20 ms 50 ticks s See also CLEAR_COUNTERS and SET_TRUE Responses G0000000000075 lt CR gt True time reported as 0 ticks G0000000001076 lt CR gt True time reported as 1 tick 20 ms G4294967295132 CR True time reported as 4294967295 ticks over 23000 days SHOW TRUE PRESET Reports the current true time preset in units of 20 ms 50 ticks s See also CLEAR PRESETS and SET TRUE PRESET Responses G0000000000075 lt CR gt True time preset reported as disabled G0000000001076 lt CR gt True time preset reported as 1 tick G4294967295132 lt CR gt True time preset reported as 4294967295 ticks SHOW_TRUE_REMAINING Reports the current true time remaining in units of 20 milliseconds 50 ticks per second See also SET_TRUE_REMAINING Responses G0000000000075 lt CR gt True time remaining reported as disabled G0000000001076 lt CR gt True time remaining reported as tick G4294967295132 lt CR gt True time remaining reported as 4294967295 ticks SHOW_ULD Returns the value of the ULD in channels as a C record Example Responses C01023093 The ULD is 1023 SHOW VERSION 58 Reports th
54. ent Setup Kit must be installed before CJ Instrument Families Please check all items in this USB based list that ted t MAESTRO can be installed reed this computer f 0 Dual Port Memory plug in cards ISA slot On the Instrument Families page 0 Dual Port Memory plug in cards PCI slot E Dore pet SE cl TRUMP PCI cards be Sure to mark the DigiBASE E C DART or any other printer port based device Item Description 1 1 microBASE Click checkbox as shown in Fig 3 Other L 389809 90565 wise the digiBASE E will not be a E MaE MEA ee able to communicate with the PC E oree r and MAESTRO O 5 DigiBASE E If you also have other types of MCBs scel nsrument attached to this PC refer to the instal lation instructions in the correspond ing hardware manuals or in the ORTEC MCB CONNECTIONS Hardware Pro perty Dialogs Manual p n 931001 on the install CD Alternatively you can install the other device drivers later Figure 3 Choose DigiBASE E as described in the CONNECTIONS Driver Update Kit instructions 2 3 2 Steps 2 Optional and 3 Install Your Spectroscopy Applications Next install the ORTEC software applications on the PC that will control the digiBASE E 2 The digiBASE E is supplied with MAESTRO However if you will also be installing ScintiVision 32 for the first time on this 1 if it is not already installed it is important to instal
55. ers in a command treated as unsigned integers up to and including the comma or space s that separates the checksum from the command The checksum simply appears as an extra parameter added to the end of the command parameter list For commands that do not normally have parameters the checksum appears as the only parameter separated from the header by one or more spaces All optional parameters must be included in a command if a checksum is to be provided so that the checksum is not mistaken by the MCB API as a parameter For example the SET WINDOW command must include the two optional parameters start and length if the checksum is provided e g SET_WINDOW 0 1024 209 5 1 2 Percent Response Records The MCB API responds to all commands with a percent response record that signifies the completion of the command Percent response records contain two error code numbers and a 1 byte checksum as follows aaabbbccce lt CR gt where represents the ASCII character aaa represents the macro error code bbb represents the micro error code ccc represents the checksum and CR represents the ASCII carriage return character signifying the end of the record The macro error code represents the general class of error with 0 meaning no error and the micro error code represents the sub class of error with 0 meaning no error Following is a list of all percent responses for the digiBASE E Unconditional Success 000000069 lt CR gt No errors
56. et Multichannel Analyzer PMT Base for Scintillation Detectors SHOW_PEAK_CHANNEL This command returns the number of the ROI channel with the largest number of counts An ROI channel is a channel that has the ROI flag set The lowest number ROI channel with the largest count is reported if more that one channel contains the largest number of counts Responses C00000087 lt CR gt Maximum count was found in channel 0 or no ROI channels were found see errors below C00001088 lt CR gt Maximum count was found in channel 1 C01023093 lt CR gt Maximum count was found in channel 1023 SHOW_ROI Used in conjunction with the SHOW_NEXT command SHOW_ROI reports the first continuous group of channels that have the ROI flag set The response is of the form Dsssssnnnnnccc CR where sssss represents an integer number that is the number of the first channel of the first group of channels that all have their ROI bit set and nnnnn represents an integer number that is the number of channels in the group The SHOW NEXT command is used to report the next group of channels that all have their ROI bit set Responses D0100000050078 lt CR gt First ROI group starts at channel 1000 and is 50 channels long D0215000150086 lt CR gt First ROI group starts at channel 2150 and is 150 channels long D0000000000072 lt CR gt No ROI groups to report SHOW ROI SAMPLE Displays the ROI Sample setting See also SET ROI SAMPLE Response C0000
57. eturned to the level present when the STEP_OUTPUT command was received The duration of the intermediate level varies but is never less than 2 us Use the SET OUTPUT HIGH or SET OUTPUT LOW commands to establish an initial output level Responses C00000087 lt CR gt Initial and final level on Change Sample was low C00001088 lt CR gt Initial and final level on Change Sample was high STOP seg mask Stops the data acquisition The optional segment mask is provided for compatibility with other MCBs and may be any value from 0 to 65535 but is ignored by the digiBASE E Execution Warnings 000005074 Acquisition already stopped no changes made 60 APPENDIX A SETTING THE COARSE GAIN JUMPER The digiBASE has 3 coarse gain settings 1x 3x and 9x determined by setting a jumper within the unit the factory setting is 1x To change the coarse gain DANGER HIGH VOLTAGES are present on the tube socket and inside the unit Never operate the digiBASE with the shroud removed or without a detector installed on the socket Disconnect the digiBASE from PoE cable and wait 1 minute for the internal circuits to completely discharge With a 5 16 in wrench remove the nut from the A INPUT and B OUTPUT connectors With a 0 050 in Allen wrench remove the 4 set screws that hold the shroud in place Slide the shroud off of the socket to expose the internal circuit boards CAUTION Do not touch any components on the circular board Oils
58. for digiBASE_site_P3 About Status Presets Amplifier Amplifier 2 ADC Stabilizer HighVoltage Conversion 2048 Lower Level Disc 20 Upper Level Disc 2047 The Upper Level Discriminator sets the level of the highest amplitude pulse that will be stored This level ESTEE SUE establishes an upper level cutoff by 422308 88 422308 78 Count Rate 0 channel number for storage 3 1 3 1 Gate The digiBASE E supports eight gate modes but only six are useful within MAESTRO and ScintiVision the others require customer written software Figure 10 digiBASE E ADC Tab None No gating is performed all detector signals are processed Acq Control Once software initiates the data acquisition process the actual data acquisition is in effect as long as the A input signal is high The B output can be used to control a sample changer AcqTrigger Once software initiates the data acquisition process actual data acquisition does not start until the Input A signal transitions from low to high Data acquisition continues until stopped by software CoincGate When Input A is low real time and live time operate normally but no counts are stored in memory When Input A is high normal acquisition occurs e EventCounter Input A acts as a 32 bit rising edge event counter for LVTTL pulses The contents of the counter can be moni tored on the Status tab Section 3 1 7 To clear the counter
59. from your fingers can contaminate the components and result in poor operation of the bias supply Locate the 3 pin jumper on the rectangular board that does not have the smallest of the three boards It is labeled ANALOG BOARD and p n 921007 Orient the digiBASE so the tube socket faces away from you In this orientation when the jumper bridges the left most and center pins the coarse gain is 1 When the jumper bridges the right most and center pins the coarse gain is 3 The gain is 9 when the jumper is removed turned at 90 to the connector and placed on only one pin to avoid losing it These settings are illustrated in Fig 19 After putting the jumper in the desired location slide the shroud back over the unit carefully guiding the USB and ENABLE INPUT connectors through the holes in the panel Replace the set screws Fine gain is software controlled within MAESTRO see Section 3 1 3 61 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Replace the washer and nut on the A INPUT and B OUTPUT connectors Note the new coarse gain setting for this unit There is no software based way to read this setting i e you must remove the shroud and inspect the jumper if you are unsure of the coarse gain setting You may wish to put a label on the housing noting the gain setting gt z gt gt Ej 5 8 gt a I 3 z N A o
60. ft support article 220874 How to use automatic TCP IP addressing without a DHCP server 13 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Lease Time for IP Addresses The digiBASE E will retain a dynamic IP address as long as it remains connected to the network and powered on via an IEEE 802 3af device or for the length of the IP address lease an adjustable property of the DHCP server If you take the digiB ASE E offline for longer than the lease time and the lease expires you must re run the Ethernet Device Controller program so it can acknowledge the new IP address A digiBASE with a manually assigned IP address will retain that address until you change it regardless of connection disconnection 2 3 5 Step 9 Run MCB Configuration to Establish Communication With Your MCBs This is the final installation step It establishes communication between the digiBASE E and your ORTEC spectroscopy software Following is an abbreviated discussion of the operation and use of the MCB Configuration program We strongly recommend that you read the instruc tions for the CONNECTIONS Driver Update Kit for complete details on customizing MCB ID Numbers and Descriptions changing your Windows firewall settings to allow MCB access across a network enabling additional device drivers and troubleshooting 1 Make sure the digiB ASE E is connected and powered on as described above 2 Conn
61. gt response which represents a macro error code of 0 and a micro error code of 0 no errors All execution error responses if any are listed for each command Though syntax and communication error responses may result from any command in practice these error responses rarely occur on systems with reliable communication hardware running debugged software Refer to Section 5 1 2 for information about error responses In the following catalog the commands are listed in alphabetical order each starting with a command prototype line Upper case letters numeric digits blank spaces and special symbols such as the underscore _ and comma in the prototype line are literal text to be sent to the MCB exactly as they appear Lower case letters in the prototype line represent numeric values as described in the accompanying text and should not be sent literally to the MCB but should be replaced by an appropriate numeric value Lower case letters enclosed in quotes represent 38 5 FIRMWARE COMMANDS AND RESPONSES alphanumeric character strings rather than numerical values Items in the command prototype that are surrounded by square brackets are optional items and are not always required In this section the term lt CR gt represents the ASCII carriage return character decimal value 13 and the character _ represents the ASCII underscore character decimal value 95 CLEAR Sets the channels of spectral data to zero T
62. he live time and true time counters are also set to zero This command is equivalent to the combination of CLEAR_COUNTER and CLEAR_DATA commands CLEAR_ALL This command clears all spectrum channels presets and ROIs It is equivalent to the combination of CLEAR COUNTERS CLEAR DATA CLEAR_PRESETS and CLEAR ROI commands Execution Errors 131135083 lt CR gt The command was attempted while spectrum acquisition was in progress No action was taken CLEAR_COUNTER Sets the live time and true time counters to zero CLEAR_DATA Sets the channels of spectral data to zero The ROI flags and presets are not changed CLEAR_PRESETS The live time and true time presets are all set to zero disabled Execution Errors 131135083 lt CR gt The command was attempted while spectrum acquisition was in progress No action was taken CLEAR_ROI start length If start and length are not specified the region of interest flags for the channels in the window of interest see SET_WINDOW are cleared If start and length are specified region of interest flags for the channels specified by start and length are cleared DISABLE_GAIN_STAB Stops stabilization of the gain peak while data is being acquired and sets the center channel to zero The gain stabilization adjustment is held at its current value until either gain stabilization is reenabled with the ENABLE_GAIN_STABILIZATION command or 39 digiBASE E High Performance Power over Ethernet M
63. hen you run the Ethernet Device Controller program See Section 3 2 1 for instructions on restoring connectivity 16 3 USING THE DIGIBASE E 3 1 digiBASE E MCB Properties in MAESTRO This section discusses the hardware setup dialog you will see within MAESTRO and other CONNECTIONS programs when you select the MCB Properties command under the Acquire menu The digiB ASE E is completely software controlled the MCB Properties dialog contains all of the instrument controls including ADC setup parameters acquisition presets high voltage the gain and zero stabilizers and amplifier gain adjustments Just move from tab to tab and set your hardware parameters then click on Close As you enter characters in the data entry fields the characters will be underlined until you move to another field or until 5 seconds have lapsed since a character was last entered During the time the entry is underlined no other program or PC on the network can modify this value NOTE The changes you make on most property tabs take place immediately There is no cancel or undo for this dialog 3 1 1 Amplifier Figure 8 shows the Amplifier tab Properties for digiBASE_site_P3 This tab contains the controls for Gain and Pile up Rejection About Status Presets Amplifier Ampliier2 ADC Stabilizer HighVoltage Set the amplifier coarse gain to 1x Gain 08 3x or 9x by setting the gain jumper described in Appendix A then adjust the Fine gain wi
64. iBASE E As with all other ORTEC multichannel buffers multiple users can view and control a particular digiB ASE E from different points on the network Each user must run the Ethernet Device Controller program attach to the digiBASE E then run MCB Configuration To keep other users from changing the hardware settings and or affecting data acquisition on a specific digiBASE E 1 to limit others to read only access MAESTRO and other ORTEC applica tions have a Lock Unlock Detector command on the Services menu 2 5 Moving a Statically Addressed digiBASE E to a Different Network or PC Moving a digiBASE E with a dynamically assigned IP address is easy just disconnect it from one network and connect it to another see also the IMPORTANT note on page 10 However if moving a digiBASE E with a manually assigned static IP address to a network or PC with a different subnet address be sure to do the following to avoid IP address incompatibilities Before disconnecting from the current PC or network re run the Ethernet Device Controller program For each manually addressed digiBASE E to be moved click to highlight the instrument and mark the DHCP checkbox Click on the Save button then close the device controller window The digiB ASE E s is now configured to accept a new dynamic or static IP address If this procedure is not followed and the subnet addresses are incompatible you will incur a series of connection failed errors w
65. igh Voltage Rise Time Flattop Width fo s4 Tit 0 00000 InSight Start Stop Figure 9 digiBASE E Amplifier 2 Tab to 2 us in 40 ns steps Note that the Rise Time setting is both the rise and fall times thus changing the rise time has the effect of spreading or narrowing the quasi trapezoid symmetrically The Flattop Width adjusts the width of the top of the quasi trapezoid from 40 ns to 2 0 us in 40 ns steps The dead time per pulse is 3 x Rise Time 2 x Flattop Width For the more advanced user the InSight mode allows you to directly the digiBASE E s advanced shaping parameters and adjust them interactively while collecting live data To access the InSight mode click on Start then refer to the discussion in the MAESTRO User s Manual Note that only the None PosBLDisc and Peak mark types are available and the shaping parameter controls on the InSight sidebar are not functional 3 1 3 ADC This tab Fig 10 contains the Gate Lower Level Discriminator and Upper Level Discriminator controls In addition the current real time and live time are monitored at the bottom of the dialog The digiBASE E operates at a Conversion Gain of 256 512 1024 or 2048 channels 18 3 USING THE DIGIBASE E The Lower Level Discriminator sets the level of the lowest ampli tude pulse that will be stored This level establishes a lower level cutoff by channel number for ADC conversions Properties
66. in Chapter 5 The gate input modes are as follows Note that a low signal is lt 0 8 V and high is gt 2 0 V None No gating is performed all detector signals are processed Can be used within MAESTRO Acq Control Once software initiates the data acquisition process the actual data acquisition is in effect as long as the A input signal is high The B output can be used to control a sample changer Can be used within MAESTRO AcqTrigger Once software initiates the data acquisition process actual data acquisition does not start until the Input A signal transitions from low to high Data acquisition continues until stopped by software Can be used within MAESTRO CoincGate When Input A is low real time and live time operate normally but no counts are stored in memory When Input A is high normal acquisition occurs Can be used within MAESTRO EventCounter Input acts as a 32 bit rising edge event counter for LVTTL pulses The contents of the counter can be monitored on the Status tab under Acquire MCB Properties in MAESTRO and with the SHOW MONI VAL 0 firmware command Input impedance is 5 to 3 3V protected to 10 V Can be used within MAESTRO Routing If Input A is high the spectrum histogram data are routed to an alternative data memory Otherwise the data are handled as a regular spectrum histogram Currently there are two ways to access the data in the alternative data memory Customer wri
67. irection The Center Channel and Width fields show the peak currently used for stabilization To enable the stabilizer enter the Center Channel and Width values manually or click on the Suggest Region button Suggest Region reads the position of the marker and inserts values into the fields If the marker is in an ROI the limits of the ROI are used If the marker is not in an ROI the center channel is the marker chan nel and the width is 3 times the FWHM at this energy Now click on the appropriate Enabled checkbox to turn the stabilizer on Until changed in this dialog the stabilizer will stay enabled even if the power is turned off When the stabilizer is enabled the Center Channel and Width cannot be changed 20 3 USING THE DIGIBASE E 3 1 5 High Voltage Figure 12 shows the High Voltage Properties for digiBASE_site_P3 tab which allows you to turn the high voltage on or off and set and Abe SANA cri dpi Amplifier Amplifier2 ADC Stabilzer High Voltage monitor the voltage Be sure to refer to the detector data sheet for E jou the proper voltage setting Off Actual 1005 Volts Enter the detector high voltage in the Target field click On and monitor the voltage in the Actual field Click the Off button to turn off the high voltage Figure 12 digiBASE E High Voltage Tab 3 1 6 About This tab Fig 13 displays hardware Properties for digiBASE site P3 Amplifier Amplifier2 ADC St
68. ith the IP addressing for each click on the Save button to save this configuration to your PC then click on the This is unlike other ORTEC MCAs which if powered on are displayed by the MCB Configuration program even if they are not attached to your local PC Most ORTEC MCAs use only the MCB Configuration program to set up communication with your PC The digiBASE E communicates differently than other ORTEC instruments the Ethernet Device Controller handles those differences 11 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors window s Close x icon The final step will be to run the MCB Configuration program as discussed in Section 2 3 5 f Ethernet Device Controller Find All digBASE Es Device Name MAC Address DHCP IP Address Attached to Serial Num digiBASE site P3 00 00 00 86 Enabled 10 7 50 141 ADUSER1 EIE DigiBase E One 00 40 3C 89 0D 00 Disabled 10 7 3 203 LABUSERO2 882002 digiBASE site P2 00 40 3C 86 0D 00 Enabled 10 7 50 192 LABUSERO2 906351 Attach to this device Device name digiBASE site 16 characters Network settings DHCP enabled Static IP Netmask Gateway Save Figure 5 Three digiBASE Es Detected Highlighted Unit is Attached to this PC Attach checkbox is marked 2 3 4 1 IP Addressing Dynamic vs Static The Ethernet Device Controller program gives you two ways to establish
69. l it before MAESTRO according to the instructions in the ScintiVision 32 User s Manual 3 Next install the accompanying version of MAESTRO according to the instructions in its User s Manual 2 3 3 Steps 4 through 7 Hardware Setup and Installation 4 The coarse gain for the digiBASE E is set with a jumper on the analog board The available settings are 1x 3x and 9x the factory default is 1x If you wish to use a different setting see the instructions in Appendix A Be sure to record the setting you use you may wish to label the digiBASE E housing with the current coarse gain setting Now attach the detector to the digiB ASE E according to the detector data sheet digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 5 Attach the PoE injector to its ac power cord and connect it to an ac power supply The power ON indicator will light 6 Power on the host PC If working in a standalone non networked configuration and using a laptop or desktop PC that has a wireless LAN card disable the card s wireless networking function Some laptops automatically disable the network interface card to conserve the battery when not connected to an ac power supply Ensure that the network interface card is enabled In most cases there will be no need to change your firewall settings The digiB ASE E is supplied with two 10 ft 3 m CATSE Ethernet cables Attach one CATSE cable to
70. me to determine if some significant event has occurred or can be streamed to disk for analysis at a later time In either case the computer is intimately involved in the collection of the data List Mode data consists of 32 bit words each comprising two 16 bit words in Little Endian format The data is read out via the DMA channel or the HSREADDATA port Data is formatted as follows Peak Data 80 ns ticks Data 31 30 3 Data 29 Memory Routing bit Data 28 17 Conversion Data 11 0 Data 16 0 RealTime PreScale 17 1 Time Stamp every 10 ms First word Data 31 30 2 Data 29 0 Realtime 29 0 63 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Second word Data 31 30 Data 29 0 1 Livetime 29 0 External Sync Stamp each 100 ms if generated from a digiBASE E sync pulse Data 31 30 0 Data 29 0 Realtime 12 0 Prescale 17 1 note that these are two separate entities not a single number This sync pulse is a time stamp sync Because each digiBASE E uses its own internal clock when operating multiple digiBASE Es together they tend to diverge The sync pulse is used to correct the divergence 64 About tab 21 Acquisition presets 22 ADC setup eee eee 18 Amplifier settings 17 18 Attach to digiBASE E 10 Coarse gain jumper
71. nels have their ROI bit set SHOW NEXT returns a first channel of 0 and a number of channels of 0 The SHOW ROI command is used to report the first group of channels that all have their ROI bit set Example Responses D0100000050078 lt CR gt Next ROI group starts at channel 1000 and is 50 channels long D0215000150086 lt CR gt Next ROI group starts at channel 2150 and is 150 channels long D0000000000072 lt CR gt No other ROI groups to report SHOW_OUTPUT Reports the status of the Change Sample output port The output port status is reported as a 16 bit number that is 0 or 1 depending on the level last set by a SET_OUTPUT_HIGH or SET_OUTPUT_LOW command Responses C00000087 lt CR gt Change Sample output currently low C00001088 lt CR gt Change Sample output currently high SHOW_PEAK This command returns the contents of the ROI channel with the largest number of counts An ROI channel is a channel that has the ROI flag set The maximum possible value is 2147483647 which is the maximum number of counts that can be stored in a 31 bit channel Responses G0000000000075 lt CR gt Maximum count in an ROI channel is zero or no ROI channels were found G0000000001076 lt CR gt Maximum count in an ROI channel is 1 G2147483646120 lt CR gt Maximum count in an ROI channel is 2147483646 G2147483647121 lt CR gt Maximum count in an ROI channel is 2147483647 55 digiBASE E High Performance Power over Ethern
72. only one sample changer BNC therefore if you include a value for output num it must be zero output num is provided for compatibility with other ORTEC instruments See also STEP_OUTPUT SET RADIX BINARY Not used included for backward compatibility SET ROI start chan number of chans Sets the ROI flags for the specified channels This command can be used multiple times to set ROI flags without affecting previously set flags SET SEGMENT Not used included for backward compatibility This command executes SET WINDOW resetting the window of interest to the maximum number of channels SET SHAP FLAT value Sets the width of the flattop to value Value is in microseconds ranging from 0 04 to 2 00 in steps of 0 04 See also SHOW SHAP FLAT SET SHAP RISE value Sets the rise time to value Value is in microseconds ranging from 0 6 to 2 00 in steps of 0 04 See also SHOW SHAP RISE SET TRIG SAMPLE setting Selects the triggering source in InSight Mode See LIST SAMP for legal trigger sources SET TRUE ticks Sets the true time counter to the specified number of ticks The number represents true time in units of 20 ms 50 ticks sec Normally this value is set by the digiBASE E during data acquisition See also CLEAR COUNTERS and SHOW TRUE Execution Errors 131135083 lt CR gt The command was attempted while spectrum acquisition was in progress No action was taken SET_TRUE_PRESET ticks Sets the true time preset to the spe
73. onversion gain settings of 256 512 1024 and 2048 channels The digiB ASE E can be used with numerous scintillators Nal Tl detectors have been histor ically the most popular but with its new trapezoidal digital filter the digiBASE E is also com patible with the newer faster scintillators such as LaBr3 Ce The digiBASE E has almost three times the throughput of the original digiBASE With the appropriate scintillator the estimated maximum throughput is 196k cps at a 532k cps input rate The integral Ethernet RJ45 connector features Power over Ethernet PoE allowing a simple single cable connection to your LAN or PC Flexible gating logic makes it easy to configure multiple digiBASE Es as part of an integrated system where synchronized data acquisition is needed Events can be correlated to lt 100 milli seconds This makes the digiB ASE E ideal for remote monitoring applications and detector networks and arrays 1 1 digiBASE E Advantages 1 1 1 Gain Stabilization Because Nal TI detector gain is sensitive to changes in ambient temperature and magnetic fields the digiB ASE E incorporates a gain stabilizer to significantly diminish this sensitivity It works by monitoring the centroid of a designated peak in the energy spectrum The fine gain is automatically and continuously adjusted to maintain the centroid of the peak at its desired position 1 1 2 Flexible Acquisition Modes The digiBASE E supports both the familiar Puls
74. or PC Symptom Running the Ethernet Device Controller generates a set of connection failed error messages and or the Device Controller window does not display the serial number of this digiBASE E Attempting to mark the Attach box generates a socket error message You will need the static IP address subnet mask and default gateway settings for this digiBASE E recorded per the IMPORTANT note on page 13 In some cases the Ethernet Device Controller program will display these settings even for an instrument with an incompatible IP address However if the settings are not displayed and you do not have this information recorded and available you will require assistance from your ORTEC representative or our Global Service Center 23 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Open the Windows network connections dialog for the PC Fig 16 Click on the LAN entry and select Properties Note that the following figures show the network dialogs for Windows XP The screens for Windows 7 will be slightly different 24 s Network Connections gt P Search Folders 4 BE ay Address Network Connections LAN or High Speed Internet Local Area Connection iL VMware Network Adapter VMnet1 Wizard new Connection Wizard Wizard Figure 16 Access the LAN Properties for the PC LAN or High Speed
75. or the stabilizer zero peak The width must be chosen such that the beginning channel is no lower than channel and the ending channel is no higher than the maximum channel as determined by the conversion gain The zero channel and width must be set before gain stabilization can be enabled The absolute minimum width for the peak is 3 channels See also SHOW ZERO WIDTH SET ZERO CHANNEL and SHOW ZERO CHANNEL Execution Errors 131128085 lt CR gt The specified number of channels would create a peak that was less than the minimum width 3 channels or would be outside the device s range 131136084 lt CR gt The command was attempted while zero stabilization was enabled SHOW_ACTIVE Returns a 1 if the digiBASE E is active i e acquiring spectral data or 0 if it is not active Responses C00000087 CR Not active C00001088 lt CR gt Active SHOW_BT Returns the digiBASE E s board temperature in degrees Celsius Responses F45 50 lt CR gt Board temperature is 45 5 C SHOW_CONFIGURATION Returns a record that indicates the hardware configuration of the MCB The record contains information about the number of segments in an MCB device always 1 for the digiBASE E and the current conversion gain for each segment The record is organized as follows 70204800001 00000 65 zeros here for total of 75 zeros 00000ccc where aaaaa represents the conversion gain for the one and only segment in the currently selecte
76. ork Section 2 3 5 any digi BASE Es you have attached will be displayed as if they are physically connected to your PC 10 2 GETTING STARTED even if they are on other network nodes The MCB Configuration interface will not display any digiBASE Es you have not attached Click on the Ethernet Device Controller icon on the desktop Or use My Computer or Windows Explorer to navigate to C Program Files Common Files ORTEC Shared UMCBI and open the DeviceController exe file Figure 4 shows the initial screen f Ethernet Device Controller Find digiBASE Es Device Name MAC Address DHCP IP Address Attached to Serial Num Attach to this device TTT Figure 4 The Initial Blank Device Controller Screen Click on the Find All digiBASE Es button Within 10 20 seconds the screen will update with all located powered on digiBASE Es Figure 5 shows a device controller window displaying three digiBASE Es Click on the digiBASE E you wish to control from this PC then mark the Attach to this device checkbox and confirm that you wish to attach You must then decide on IP addressing for this unit see Section 2 3 4 1 for details Repeat for each digiB ASE E you wish to use NOTE If another user s has already attached to this digiBASE E a message box will notify you See the note in Section 2 4 about multi user access When you have attached to each digiBASE E and are satisfied w
77. r 23 Upper level discriminator ULD 19 Zero stabilization 20 65 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 66
78. rsion gain specified The window of interest is always set to the maximum size after a SET DEVICE or SET SEGMENT command Execution Errors 131128085 lt CR gt The start channel was higher than the conversion gain 131129086 lt CR gt The length specified one or more channels that were too high conversion gain 131132080 lt CR gt The start channel was specified without a length If one value is given the other must also be given SET_ZERO_ADJUSTMENT value Sets the zero stabilization adjustment to an arbitrary value from 65535 to 65535 The total range of the adjustment value represents 256 channels This adjustment is usually only made by the gain stabilizer and reset to 0 with the INITIALIZE ZERO STABILIZATION command See also SHOW ZERO ADJUSTMENT SET ZERO CHANNEL chan Sets the center channel for the stabilizer zero peak If a zero channel is chosen such that the beginning channel or ending channel would be below channel 0 or above the maximum channel as determined by the conversion gain the zero peak width is reduced until the peak fits the device boundaries 48 5 FIRMWARE COMMANDS AND RESPONSES Execution Errors 131128085 lt CR gt The specified channel number would create a peak that was less than the minimum width 3 channels or would be outside the device s range 131136084 lt CR gt The command was attempted while zero stabilization was enabled SET ZERO WIDTH chans Sets the width in channels f
79. t CR gt Zero channel is channel 250 SHOW_ZERO_STABILIZATION Reports the state of zero peak stabilization See also ENABLE_ZERO_STABILIZATION and DISABLE_ZERO_STABILIZATION Responses IT lt CR gt Zero stabilization is currently enabled IF lt CR gt Zero stabilization is currently disabled 59 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors SHOW_ZERO_WIDTH Reports the current width for the stabilizer zero peak See also SET_ZERO_WIDTH SET ZERO CHANNEL and SHOW ZERO CHANNEL Responses C00001088 lt CR gt Zero width has not been set C00003089 lt CR gt Zero width is 3 channels lowest possible width C00256100 lt CR gt Zero width is 256 channels START seg mask Starts data acquisition The optional segment mask is provided for compatibility with other MCBs and may be any value from 0 to 65535 but is ignored by the digiBASE E Execution Warnings 000004073 lt CR gt No segment selected occurs with other warnings 000005074 lt CR gt The acquisition is already started no changes made 000006075 lt CR gt A preset was exceeded acquisition was not started 000032074 lt CR gt High voltage is disabled The actual response record may be a combination of any of the above records depending on the warning conditions STEP_OUTPUT Causes a pulse to be output on the Change Sample output port The level of the Change Sample output is changed then r
80. th the horizontal slider bar or the edit box in the range of 0 33 to 1 0 Note that while the coarse and fine gain controls together cover an amplification range of 0 33 to 9 only i i the fine gain is shown at the top of the _ Chose Gain section on this property page Pile up Rejection Iv Figure 8 digiBASE E Amplifier Tab NOTE You must know the coarse gain jumper setting for your unit the factory setting is 1x You may wish to put a label on the digiBASE E housing indicating the current jumper setting Pile up Rejection is used to reject overlapping pulses improving the peak shape This checkbox allows you to disable the PUR This feature is normally enabled and is only turned off for special detectors 17 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors 3 1 2 Amplifier 2 Figure 9 shows the Amplifier 2 tab which contains the shaping controls and accesses the InSight Virtual Oscilloscope mode The choice of Rise Time allows you to precisely control the tradeoff between resolution and throughput Increase the rise time for better reso lution at expected lower count rates When unusually high count rates are anticipated reduce the rise time for higher throughput with somewhat worse resolution Valid settings range from 600 ns Properties for digiBASE_site_P3 About Status Presets Amplifier Amplifier 2 ADC Stabilizer H
81. the IN LAN jack of the PoE injector then connect it to the PC s Ethernet adaptor or to the LAN 7 Attach the second CATSE cable to the PoE injector s OUT LAN DC jack and connect it to the digiBASE E IMPORTANT DHCP SERVER AND DYNAMIC ADDRESSING If using your network s Dynamic Host Configuration Protocol DHCP server to assign a dynamic IP address to your digiB ASE E see Section 2 3 4 1 you must power on the PoE injector and connect it to the LAN before connecting the second CATSE cable to the digiBASE E This is because for the first 10 seconds the digiBASE E is connected to the LAN it broadcasts an IP address request to the DHCP server If it receives no response it defaults to the factory assigned IP address discussed in Section 2 3 4 1 which we strongly recommend you read before using the digiBASE E If you miss the 10 second window simply disconnect reconnect the network cable from the digiBASE E to cycle its power If connecting to a standalone PC no network available see Section 2 3 4 1 2 3 4 Step 8 Use the DeviceController Program to Attach to the digiBASE E This section tells how to use the Ethernet DeviceConnection program to locate all powered on digiB ASE Es on the network and attach to the units you wish to control from your PC This attachment process flags the instrument as belonging to your PC Then when you then run the MCB Configuration to locate all ORTEC MCBs on the netw
82. tten software Using MAESTRO and the ORTEC Diag exe utility simultaneously To do this a Start MAESTRO and use the detector droplist on the Toolbar to select the digiBASE E and display the histogram in its regular memory b From My Computer go to C Program Files Common Files ORTEC Shared UMCBI and run the Diag exe program Click on the detector droplist at the top of the window and select the digiBASE E Position the MAESTRO and Diag windows as needed c Inthe Command field in Diag enter SET_VIEW 1 and click on the Send button 2 GETTING STARTED d Close and reselect the MAESTRO spectrum window for this digiBASE E The histogram in the alternative data memory will be displayed in the MAESTRO spectrum window e To return to the regular histogram memory enter SET_VIEW 0 click on Send then close and reselect the MAESTRO detector window for this digiBASE E to redisplay the regular spectrum histogram NOTE Note that the SET_VIEW command affects only the PC that issued the command A user who accesses the same digiBASE from a different PC will initially see the regular SET_VIEW 0 spectrum view e Sync This applies only to list mode and a daisy chain configuration maximum 12 units per daisy chain Input A is the time synchronization pulse A transition from low to high at Input A causes a sync timestamp to appear in the list mode data stream Requires customer written software e SyncMaster This applies onl
83. tware selectable ADC type Matchmaker Has ability to daisy chain MCBs DART ZDT functions available DSPEC Plus DSPEC Plus style Insight triggering LIST SET TRIG SAMP Multiple inputs per connection for example OCT TE Plus Hardware count rate meter SH CRM Has multiple ZDT modes SET SHOW LIST MODE ZDT Has multi nuclide MDA preset Has MCS Replace then Sum Mode SET RPLSUM 31 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Bit 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 32 Meaning Has programmable external dwell voltage capability No Peak Preset feature and OASIS Programmable pulser OASIS Programmable Vacuum HV interlock OASIS Programmable Current HV interlock OASIS 0 Explorable Stabilizer LIST_GAIN_ADJU LIST ZERO ADJU Has programmable input impedance MCS Advanced shaping time feature has no CUSP digiDART DSPEC jr Selectable HV rise time SET SHOW LIST HV RISE SBS 60 Explorable ADC GATE settings LIST SET n Monitor command support SHOW MONI MAX LABEL V ALUE SMART 1 Detector support SHOW SMART DET SHOW SNUM DET SHOW HV RECO Nuclide report SET ISHOW NUCL COEF SET SHOW ROI Interactive Display Features Such as Nuclide Report Advanced Stored Spectra SH SPEC COUNT SET SHOW SPEC ID
84. ultichannel Analyzer PMT Base for Scintillation Detectors reinitialized with INITIALIZE_GAIN_STABILIZATION or SET_GAIN_PEAK See also SHOW_GAIN_STABILIZATION DISABLE_HV Turns off the HV enable signal See ENABLE_HV and SHOW_HV DISABLE_NAI Switches the stabilizers to Ge mode See ENABLE NAI DISABLE_PUR Turns off the pulse pileup rejector See also ENABLE_PUR DISABLE_THRESHOLD_AUTOMATIC DISABLE_THRESHOLD_SAMPLE DISABLE_TRIGGER_SPECIAL No function in the digiBASE E These commands have been included for backward compatibility DISA_ZERO_STABILIZATION Stops stabilization of the zero peak The zero stabilization adjustment is held at its current value until either zero stabilization is reenabled with the ENABLE ZERO STABILIZATION command or reinitialized with INITTALIZE ZERO STABILIZATION or SET ZERO PEAK See also SHOW ZERO STABILIZATION ENABLE GAIN STABILIZATION Enables the stabilization of the gain peak See also DISABLE GAIN STABILIZATION SHOW GAIN STABILIZATION and INITIALIZE GAIN STABILIZATION ENAB HV Turns on the high voltage enable output of the digiBASE E and sets the HV to the target HV value See also DISABLE HV and SHOW HV Execution Errors 131137085 lt CR gt The high voltage could not be enabled due to a high voltage shutdown condition ENABLE NAI Switches the stabilizers to NaI mode The stabilizers use the fine adjustment in NaI mode and the very fine adjustment in Ge mode See DISABLE N
85. watts from PoE Ambient Operating Environment 10 to 60 C at 0 80 non condensing humidity NOTE The digiBASE E will operate at 10 C however at power on it should be at least 0 C for proper startup CE Conforms to CE standards for radiated and conducted emissions susceptibility and low voltage power directives Synchronous Operation Up to 12 digiBASE Es can be daisy chained with one unit assigned the SyncMaster gate mode SET_GATE 7 and all slaves assigned the Sync gate mode SET_GATE 6 for time correlation of lt 100 ms between all units 4 6 Feature Mask Bits The following table describes the feature bits from the SHOW_FEATURES command discussed on page 50 If the feature is supported in the digiB ASE E the bit is set to 1 if the feature is not supported the bit is 0 Meaning Software selectable conversion gain Software selectable coarse gain Software selectable fine gain Gain stabilizer Zero stabilizer PHA mode functions available MCS mode functions available Da UL E MCA List mode functions available 29 digiBASE E High Performance Power over Ethernet Multichannel Analyzer PMT Base for Scintillation Detectors Bit 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 30 Meaning Sample mode functions available Digital Offset e g 920 Software selectable analog offset HV power supply Enhanced
86. y to list mode and a daisy chain configuration In a daisy chained setup maximum 12 units per daisy chain only one digiBASE E can act as SyncMaster The SyncMaster is responsible for generating a pulse at 100 ms intervals and the pulse is replicated to the other daisy chained digiB ASE Es Requires customer written software Your software must distinguish the IP address of the master unit from the slaves 2 3 Software and Hardware Installation Installation takes just a few straightforward steps See the quick reference diagram in Fig 2 1 Install the accompanying CONNECTIONS Driver Update Kit p n 797230 first being sure to mark the DigiBASE E checkbox on the Instrument Families screen 2 If using ScintiVision 32 install it before installing MAESTRO Install the accompanying MAESTRO MCA Emulation Software A65 BW Set the digiBASE E s coarse gain jumper as desired the factory default is 1x then mount the detector on the digiBASE E Connect the single port PoE injector to an ac power supply Connect the PoE injector to a network or a host PC Connect the digiBASE E to the PoE injector Run the accompanying digiBASE E Ethernet Device Controller program to locate all digiBASE Es on the network and attach to the desired unit s Be sure to read Section 2 3 4 1 on IP addressing 9 Run the MCB Configuration program to establish communication between the digiBASE Es and any other ORTEC MCBs and your ORTEC software application s
87. yzer PMT Base for Scintillation Detectors 3 2 2 Cannot Communicate with MAESTRO or ScintiVision 32 If properly installed and functioning MAESTRO software or other Connections programs cannot find and communicate with the digiBASE E or if the digiBASE E is listed on the MAESTRO detector droplist but generates an illegal detector error check the following 26 Repeat the hardware installation instructions at the start of this chapter to ensure the digiBASE E is properly connected to its single port PoE injector or other IEEE 802 3af compliant PoE switch and to the ac power supply for the PoE injector Also make sure the injector switch is properly connected to an ac power supply Re run the Ethernet Device Controller software click the Find All digiBASE Es button and make sure the program locates the digiBASE E by serial number If the IP address lease has expired this will assign a new IP address If the device controller program generates a connection failure and or socket error for this digiBASE E and fails to display the serial number the instrument s current IP address is incompatible with the network go to Section 3 2 1 Click to highlight the desired digiBASE E then mark the Attach checkbox Once the Ethernet Device Controller program has located the digiBASE E and you have Attached to it re run the MCB Configuration program according to the instructions in Section 2 3 5 See also the CONNECTIONS Driver Update

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