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932512A / 0114

ORTEC

EASY

NIM

™

928 Suite

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 could 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.

Please read all safety instructions carefully and make sure you understand them fully before attempting to use this
product.

In addition, the following symbol might appear on the product:

ATTENTION – Refer to Manual

DANGER – High Voltage

Please read all safety instructions carefully and make sure you understand them fully before attempting to use this
product.

Содержание ORTEC EASY-NIM 928 Suite

Страница 1: ...ORTEC EASY NIM 928 Suite High Performance Multi Function Nuclear Multichannel Buffer Counter Timer Rate Meter Hardware Manual Printed in U S A ORTEC Part No 932512 0114 Manual Revision A...

Страница 2: ...ssion 865 483 2133 of the nature of the fault of the instrument being returned and of the model serial and revision Rev on rear panel numbers Failure to do so may cause unnecessary delays in getting t...

Страница 3: ...GE SPECTROSCOPY 7 3 3 EASY NIM 928 COUNTER TIMER OPERATION 8 3 3 1 Starting the Easy NIM Front Panel Emulation Software 8 3 3 2 The Main Screen 8 3 3 3 Counter Timer Group Controls 10 3 3 4 The Instru...

Страница 4: ...More Information 31 4 SPECIFICATIONS 31 4 1 MULTICHANNEL BUFFER 928 AND 928 MCB 31 4 1 1 Inputs and Outputs 32 4 1 2 Presets 32 4 2 COUNTER TIMER RATE METER ALL MODULES EXCEPT 928 MCB 33 4 2 1 Inputs...

Страница 5: ...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...

Страница 6: ...PROPERTY OF AMETEK INC ORTEC ORTEC EASY NIM 928 Suite 932512A 0114 vi...

Страница 7: ...n be assigned to a variety of sources 1 1 FEATURES High performance multi function spectroscopy MCB combined with counter timer rate meters in a single width NIM module Group counters and timers for s...

Страница 8: ...s and supplemental Windows applications programming interfaces that can be called from C C or Visual Basic For programmers using ActiveX controls all the functionality can be accessed more convenientl...

Страница 9: ...e and disable the drivers for your ORTEC MCB s and share ORTEC MCBs across a network It also points you to information on selecting the proper network protocol for legacy MCBs At the end of installati...

Страница 10: ...2 5 CONNECTING TO AND DISCONNECTING FROM THE PC The USB connection allows you to connect 928s to and disconnect them from a USB port without shutting down the computer or USB hub Note that if MAESTRO...

Страница 11: ...ts positive unipolar positive gated integrator or positive leading bipolar analog pulses in the dynamic range from 0 to 10 V 12 V maximum ADC GATE Front panel optional TTL input Software selectable Co...

Страница 12: ...Figure 3 Model 928 Full Counter Overflow n Pulse option 1 s wide pulse with rising edge synchronized to the rollover of a selected counter n 1 2 3 or 4 Level option On overflow output remains high unt...

Страница 13: ...the selected counter input Software Control Hardware command SET_OUTPUT n x where n is the output and x is 0 or 1 3 2 CABLING FOR HPGE SPECTROSCOPY Figure 4 shows the standard cabling of a 928 or 928...

Страница 14: ...en 3 3 2 The Main Screen Figure 6 shows the Easy NIM main screen Note that when you select a 928 COUNT 2 from the MCB list at the bottom of the screen only 2 counters and 1 timer are displayed Figure...

Страница 15: ...t to Software Individual Reset the Reset button on this screen becomes active allowing you to manually zero the counter When a counter is enabled it remains active until disabled Data acquisition will...

Страница 16: ...and reset options on the Instrument Settings screen They allow you to gang one or more counters and or timers together then enable disable and reset them simultaneously You can add additional counters...

Страница 17: ...counter counts up to overflow 4294967295 counts then automatically resets to zero and continues to count up Fifo Click this button to display the values stored in the FIFO first in first out buffer s...

Страница 18: ...PROPERTY OF AMETEK INC ORTEC ORTEC EASY NIM 928 Suite 932512A 0114 12 Figure 12 Counter Setting Lists Figure 13 FIFO Contents Figure 14 FIFO Contents Saved as Text File...

Страница 19: ...a signal from any of the six front panel inputs or 4 simultaneously reset a group of timers or counters and timers with the Group 1 or 2 reset signal Enable input Use the Software Individual Enable t...

Страница 20: ...en count rate exceeds this value the CRM gauge readout on the main screen flashes red In addition if the Play sound when alarm triggered checkbox is marked on the setup screen an audio alarm sounds If...

Страница 21: ...Counter 1 The Gate inputs for both counters are set to Timer 1 Interval both are designated to reset on the Group 1 Reset and both are set to respond to the Software Group 1 Enable In this example Au...

Страница 22: ...PROPERTY OF AMETEK INC ORTEC ORTEC EASY NIM 928 Suite 932512A 0114 16 Figure 20 Creating a Counter Timer Group Figure 21 Results for Group 1 Data Acquisition...

Страница 23: ...matically In this continuous mode data collection continues until you click the timer s Disable button on the main screen Figure 22 shows the physical connections between the two 928s and from the eig...

Страница 24: ...nd 928 and resets them when the Group 1 Reset signal is sent Each of the four Counter Inputs is configured for the type of external signal on its respective BNC Figure 24 shows the upper part of the I...

Страница 25: ...riod acquisition stops until manually restarted In order to use the first 928 to control the counters on a second 928 the two MCBs must be cabled together as shown in Figure 26 For clarity this illust...

Страница 26: ...screen Figure 27 Note that the timers and outputs in this illustration are faded for clarity they are not faded onscreen The four Counters are set to their respective counter inputs and each Counter I...

Страница 27: ...le reset buttons on the main screen The Counter 2 source is the Counter 2 input and its Counter Input is configured for the type of signal on that BNC The Counter 2 and Timer 2 Gate input fields are b...

Страница 28: ...utput 1 2 assignments are necessary The Enable input is set to MCB Active the Reset input is set to MCB Clear Command and we choose not to use Auto reset The Counter input is set to ROI This task does...

Страница 29: ...m of the dialog Figure 28 ADC Tab Gate This control allows you to select a a positive TTL logic gating function With this function Off no gating is performed that is all detector signals are processed...

Страница 30: ...s level establishes a lower level cutoff by channel number for ADC conversions The Upper Level Discriminator sets the level of the highest amplitude pulse that will be stored This level establishes an...

Страница 31: ...DA presets are shown on a separate tab Figure 31 Presets Tab The presets can only be set when the 928 is not acquiring data You can use any or all of the presets at one time To disable a preset enter...

Страница 32: ...or this MCB marked with an ROI reaches this value This has no function if no ROIs are marked in the MCB The Uncertainty preset stops acquisition when the statistical or counting uncertainty of a user...

Страница 33: ...preset enter the preset value in the MDA or Correction field select the Nuclide and Energy enter the desired values for coefficients a b and c then click Add New To edit an existing preset click to h...

Страница 34: ...nds the counting time to make up for the lost counts it will no longer be counting the same source as when the losses occurred As a result the number of counts in the peak will not be correct When a s...

Страница 35: ...M_CORR the two spectra stored are the LTC spectrum and the ZDT spectrum corrected for the dead time losses real time only Unfortunately in the analysis of the ZDT spectrum the uncertainty of the measu...

Страница 36: ...the time required to acquire the spectrum the standard mode ZDT Off is the preferred mode only the uncorrected spectrum is collected and stored in the spectrum file But if the counting rate varies sig...

Страница 37: ...nt counting rate Because the error spectrum is not collected in NORM_CORR mode the standard deviation in the ZDT counts cannot be calculated if the counting rate is varying ISOTOPIC provides some prot...

Страница 38: ...range from 0 to 10 V 12 V maximum semi Gaussian shaped time constants from 0 25 to 30 s gated integrator shaped time constants from 3 to 30 s or delay line shaped with widths 0 25 s Zin 1 k dc couple...

Страница 39: ...pose TTL outputs Low is indicated by 0 4 V High is indicated by 2 4 V The outputs can drive 50 The outputs can be configured under software control to one of the following functions Timer Interval Out...

Страница 40: ...ndividual Enable from software control The Group 1 or Group 2 enable from software control Overflow Output provides a rising edge at the moment a counter overflows The pulse can be routed to either of...

Страница 41: ...the number of repetitions of the currently selected Time base FIFO Readout Control Timer FIFOs function the same as the counter FIFOs see above 4 3 ELECTRICAL AND MECHANICAL High Speed USB Standard co...

Страница 42: ...s available 1 8 Sample mode functions available 0 9 Digital Offset e g 920 0 10 Software selectable analog offset 0 11 HV power supply 0 12 Enhanced HV SET_HV SET SHOW_HV_POL SHOW_HV_ACT 0 13 Software...

Страница 43: ...0 37 MCS mode positive TTL input available 0 38 MCS mode fast negative NIM input available 0 39 MCS mode discriminator input available 0 40 Software switchable MCS mode discriminator edge 0 41 Softwa...

Страница 44: ...0 SET_SHAP 1 0 62 Explorable gain ranges LIST VERI_GAIN_FINE _COAR _CONV 0 63 Explorable gain ranges LIST VERI_GAIN_FINE _COAR _CONV Beginning of 3rd word 0 64 External dwell support ENA DIS_DWELL_EXT...

Страница 45: ...UM_DET SHOW_HV_RECO 0 90 Nuclide report SET SHOW_NUCL_COEF SET SHOW_ROI_NUCL 0 91 Interactive Display Features Such as Nuclide Report 0 92 Advanced Stored Spectra SH_SPEC_COUNT SET SHOW_SPEC_ID MOVE 1...

Страница 46: ...page 0 108 PZ and flattop tilt not user changeable from property page 0 109 LFR not user changeable from property page requires Bit 96 0 110 Portal Monitor style List Mode Synch is available 0 111 DS...

Страница 47: ...ive time or conversion gain The command SET_WINDOW 0 8192 has two parameters 0 and 8192 which set the window of interest to start at channel 0 and continue for 8192 channels Some parameters are option...

Страница 48: ...numbers 128 No sample data available 5 3 DOLLAR RESPONSE RECORDS SHOW and STEP commands respond with a dollar response record The valid dollar response records for each command are discussed in the co...

Страница 49: ...rting with a command prototype line Uppercase letters numeric digits blank space and special symbols such as the underscore _ and comma 13 in the prototype line are literal text to be sent to the MCB...

Страница 50: ...overflow preset Channels that receive a count when they contain 2147483647 counts the maximum number of counts will stop the acquisition if the overflow preset is enabled The channel that caused the p...

Страница 51: ...84 SET_GAIN_CONVERSION 512 Conversion gain set to 512 channels SET_GAIN_CONVERSION 1024 Conversion gain set to 1024 channels SET_GAIN_CONVERSION 2048 Conversion gain set to 2048 channels SET_GAIN_CONV...

Страница 52: ...cquisition terminates SET_MDA_PRESET MDAPreset PeakNumber Sets the MDAPreset PeakNumber value as shown in the equation in the SET_MDA_COEF description above MDAPreset is usually the product of the des...

Страница 53: ...e preset is complete and the acquisition is stopped Setting a true time preset to 0 ticks disables the preset See also CLEAR_PRESETS and SHOW_TRUE_PRESET SET_ULD value This sets the upper level discri...

Страница 54: ...A 1 bit in the mask indicates that the corresponding segment is counting Responses C00000087 CR Neither input is acquiring data C00001088 CR Only input 1 is acquiring data C00002089 CR Only input 2 is...

Страница 55: ...294967295 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 CR Live time reported as 0 ticks G000000000...

Страница 56: ...for the state of health parameter for num SHOW_MONI_MAX Returns with the number of state of health values available for viewing SHOW_MONI_VALUE num Returns with an ASCII representation of the value f...

Страница 57: ...if more that one channel contains the largest number of counts Channel 16383 is the highest numbered channel in any device Responses C00000087 CR Maximum count was found in channel 0 or no ROI channe...

Страница 58: ...928 SHOW_SNUM Responds with a F record indicating the serial number of the EASYNIM 928 Response F100 Serial number 100 SHOW_STATUS Returns system status information in the following format Mlllllllll...

Страница 59: ...s a C record SHOW_UNCERTAINTY Returns the current value of the uncertainty for the peak in the uncertainty preset See also SET_UNCERTAINTY Responses UNCE 0000000000008 5 Uncertainty of the peak is 8 5...

Страница 60: ...any value from 0 to 65535 but is ignored 5 5 COUNTER AND TIMER COMMANDS ALL MODULES EXCEPT 928 MCB These commands control the counter timer functions in all but the 928 MCB For the 928 COUNT2 counters...

Страница 61: ...ways on 1 Gate is connected to Input 1 BNC 2 Gate is connected to Input 2 BNC 3 Gate is connected to Input 3 BNC 4 Gate is connected to Input 4 BNC 5 Gate is connected to Input 5 BNC 6 Gate is connect...

Страница 62: ...on status mask Read only Can only be used in SHOW_COUNTER_CONFIG Bit mapped flags indicate whether counter or timer has started counting Bit 0 Counter 1 Bit 1 Counter 2 Bit 2 Counter 3 Bit 3 Counter 4...

Страница 63: ...nized to MCB acquisitions 8 Group 1 Reset 9 Group 2 Reset 2 Enable Value 0 MCB Active 1 Software Individual Enable 2 Software Group 1 Enable 3 Software Group 2 Enable 3 Timebase Value 0 Time Base is c...

Страница 64: ...sy High when DAC state machine is busy transferring data to the hardware 0 AcquisitionActive High when acquisition is active SHOW_COUNTER_VALUE Returns a string with format COUNTER_VAL n1 n2 n3 n4 whe...

Страница 65: ...932512A 0114 ORTEC EASY NIM 928 Suite 59 STOP_COUNTER n1 n1 is the counter index from 1 to 4 STOP_GROUP n1 n1 is the group index from 1 to 2 STOP_TIMER n1 n1 is the timer index from 1 to 2...

Страница 66: ...Custom software applications 2 35 hardware commands and responses 41 Easy NIM software group control 10 installation 3 main screen 8 saving and recalling settings 14 setup Instrument Settings screen...

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