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1. 100 00 50 075 3168 00 1580 6234 00 3110 033 4075 00 2039 Value Clear All popup a E 0 00454 1 94e 006 1 98e 010 Gave as Cancel Figure 6 13 Calibration dialog box Make a choice of several calibration formulas Enter some cursor positions and the corresponding values e g energy mass etc click on Add and then on Calibrate The obtained coefficients can be inspected together with the statistical error or they can be changed and entered by hand If use Calibration is enabled the calibrated values are displayed together with the channel position of the cursor Comments Up to 13 comment lines with each 60 characters can be entered using the Comments dialog box The content of these lines is saved in the data header file The first line automatically contains the time and date when a measurement was started The titles of each line can be changed by editing the file COMMENT TXT IMF AST ComTec GmbH 6 12 MCDWIN Software Starttime Hurnber Sample Place RefDate gt Amount Unit Geometry Detector Remarks more more Figure 6 14 Comments dialog box Range Preset 6 This dialog box allows to make all P7886 settings ref the Server description PLLfreq 2e 009 Module f Sync out KIM orr ts Sync out TTL or x I Softw Start MY OMA Mode rap around Write Listfile MF Start event generation No Histogram Starts preset Swee
2. Windows Server Program ar pe vi SOLLEN DDE Execute wi Figure 5 9 Executing a P7886 command from a LabVIEW application 5 2 3 DDE Request The DDE Request is a message exchange to obtain the value of a specified item Only two items are defined for DDE request up to now RANGE and DATA The value is obtained as an ASCII string i e it must be converted by the client to get the numbers All other parameters concerning the W7886 Setup can be obtained by the client application by reading and evaluating the configuration file RANGE The RANGE item can be used to obtain the total number of data p7886dde vi Diagram From Decima Figure 5 10 Getting the total number of data with LabVIEW DATA With the DATA item the data is obtained The value of this item is a multiline string that contains in each line a decimal number as an ASCII string IMF AST ComTec GmbH 5 12 Windows Server Program gt p7886dde vi Diagram O l DATA E EE Figure 5 11 Getting the data with LabVIEW 5 2 4 Close Conversation After finishing the DDE communication with the p7886 program it must be closed gt p 886dde vi Diagram Figure 5 12 Closing the DDE communication in LabVIEW The following figure shows the Panel of the described VI for LabVIEW IMF AST ComTec GmbH 5 13 Windows Server Program 7886DDE VI File Edit Operate Controls Windows pg bi Bet Timeout ms Dimension 10000 7168 Command
3. 2 x 16 ns periodic timer signal while a sweep is running 64 ns 2 x 16 ns periodic timer signal while a sweep is running 1 074 s 2 x 16 ns periodic timer signal while a sweep is running bit O LSB of the sweep counter bit 1 of the sweep counter bit 2 of the sweep counter bit 31 MSB of the sweep counter All these signals may be output on the FAST NIM SYNC_1 output on the mounting bracket and on the TTL SYNC 2 output on the multi I O port connector as well IMF AST ComTec GmbH 3 3 Hardware Description NOTE The initial states of the SWEEP output bits depend on the preset value of the corresponding counter The sweep counter is a 32 bit up counter In case of a preset it is set to FFFFFFFFhex preset_value and runs until FFFFFFFFhex IS reached When no preset is used the sweep counter is initially set to all zero 500 FAST NIM OUTPUT 28 mA Figure 3 5 FAST NIM SYNC 1 output schematic The FAST NIM SYNC output supplies standard FAST NIM 0 0 7 V 14 mA signals into a 50 Q load The output impedance also is 50 Q For FAST NIM signals a logical TRUE corresponds to a low voltage 0 7 V e g while a sweep is running OFF will result in O V FALSE output 3 5 GO Line The system wide open drain GO line enables any connected device to start and stop all participating measurement equipment simultaneously This allows for easy synchronization of electronic devices previou
4. 12 DIGIO5 VCC 5 Volt PC Power DIGIO 6 9 e e 10 DIGIO7 o 13 DIGIOT GND 11 e 12 GND 14 GND SYNC OUT 2 13 14 GND SYNCOUT2 7 15 GND VCC 15 e 16 GND VCC 8 r Figure 3 8 Multi I O port connector pinning This I O port is fully software controllable and each single 1 bit port is individually configurable It might be used for external alert signals sample changer control status inputs outputs etc SIL 9 PIN PULLUP RESISTOR NETWORK MULTI 1 0 CONNECTOR DIL 16 PIN 1 0 RESISTOR NETWORK PIN 1 u Zu ei Figure 3 9 add on multi I O connector As can be seen from Figure 3 10 each bit of the digital I O port might be configured as input only tri stated output pull up open drain or driver output small R I O with readback capability Wired OR AND connections are also feasible IMF AST ComTec GmbH 3 5 Hardware Description INTEGRATED CIRCUIT LOGIC 5V 5V DIGIO OE x DIGIO OUT x DIGITAL 1 O x DIGIO IN x Figure 3 10 Digital I O port circuit schematic 3 7 Timebase To derive the outstanding temperature and long term stability the P7886 is equipped with an onboard crystal stabilized PLL phase locked loop 2 GHz 1 GHz QS 500 MHz QE synthesizer oscillator It is fine tunable by the software in a range of 1 95 2 15 GHz 0 975 1 075 GHz QS 488 537 MHz E For highest stability requirements an optional oven stabilized crystal
5. 4 GetStatusData 5 Start 6 Halt 7 Continue 8 NewSetting 9 ServExec 10 StoreData 11 GetData 12 GetSpec 13 SaveSetting 14 GetStatus 15 Erase 16 SaveData 17 GetBlock 18 StoreDefData 19 GetDefData 20 LoadData 21 NewData 22 HardwareDlg 23 UnregisterClient 24 DestroyClient 25 ClientExec 26 LVGetDat 27 RunCmd 28 AddData 29 LVGetRoi Q30 LVGetCnt 31 LVGetStr 32 SubData 33 Smooth 34 IMF AST ComTec GmbH 5 17 Windows Server Program StoreExtSettingData 35 GetExtSettingData 36 IMF AST ComTec GmbH 5 18 MCDWIN Software 6 MCDWIN Software The window of the MCDWIN program is shown here It enables the full control of the P7886 card via the server program to perform measurements save data and to show the data online in several windows The server program P7886 EXE automatically starts MCDWIN If you try to start MCDWIN in advance to the server a message box warns that you should start the server first S65 ere Mee oo woe Sone mlm mire stjele rerofenjrez P7896 Status P7886 1 Oy OFF Filename me 50002 RealTime 0 00 Total um 1 561 015 ROIS um 1 567 075 RAOIR ate o Sweeps T Starts 0 0 16351 Totalsum 1561015 Cursor Courts ROIS um 149005 Met 90075 ROI 0000 10051 10465 RegionRect 7695 7965 0 4931 amp cquisition OFF Figure 6 1 MCDWIN main window A status window at the left side gives all information about the status of
6. Sync out Nik OFF x Synce out TTL OFF H Softw Start M DMA Mode Wrap around FT Write Listfile M Start event generation Mo Histogram Starts preset Sweep preset Single sweeps FM Sequential cycles 1 Timepreset Al Eventpreset li OOOUO000 Birwidth 1 Hange 4036 Bb Acg Delay ne 1 ADI jo 4036 Setup name Inputs P7886 DE Cancel Gave Sett Load Sett Figure 5 3 Settings dialog IMF AST ComTec GmbH 5 2 Windows Server Program The Hardware item in the Settings dialog opens the P7886 Settings dialog box The mode of the measurement can be Wrap around if the corresponding checkbox is crossed or Sweep mode In Sweep mode usually via an external start signal a sweep is started after completion the next sweep starts with the next start pulse In the Wrap around mode the time counter counts endless If Softw Start is marked no start signal is necessary The time counter is masked corresponding to the chosen range and the higher bits are not evaluated The signal for the synchronisation of the experiment can be obtained from one of the two Sync Out outputs Via the Sync out combo boxes you can specify to get at the Sync Out output a pulse at the OFF state i e no sweep is running FIRST when the acquisition in a sweep starts LAST when it stops when FIFO1 FULL or FIFO2 FULL happens or by specifying COUNT 0 COUNT 26 with the Bits 0 26 of the time coun
7. are shown Clicking the Halt menu item the measurement is stopped and via Continue proceeded IMF AST ComTec GmbH 5 1 Windows Server Program Data Operations Module f Data T Save at Halt Cave Load Boke ing Ca fasc Pisf5 Smooth Erase Setup name prass Cancel Save Setting Load Setting Figure 5 2 Data Operations dialog The Data item in the File menu opens the Data Operations dialog box Mark the checkbox Save at Halt to write a spectrum and a configuration file at the stop of a measurement The filename can be entered If the checkbox auto incr is marked a 3 digit number is appended to the filename that is automatically incremented with each saving The format of the data file can be ASCII or binary extension ASC or DAT Click on Save to write a data and configuration file of the actual data with the specified name By pressing Load previously stored data can be loaded or a control file extension CTL executed With Add or Sub a stored spectrum can be added to or subtracted from the present data Check the checkbox calib to enforce using a calibration and shift the data to be added according to the calibration The Smooth button performs a n point smoothing of the spectrum data The number of points to average can be set with the Pts edit field between 2 and 21 Erase clears the spectrum PLLtreq 22 009 Module fa
8. corrected according to the calibration if available Open New With the Open New menu item or the corresponding icon a new Display window will be created and shown as the active window IMF AST ComTec GmbH 6 2 MCDWIN Software Open All By selecting the Open All menu item all available Displays are shown The window of the last opened Display becomes active Print The Print menu item prints a Display to the printer Only the visible part of the spectra will be printed The size and position of the graphic on paper can be adjusted see Figure 6 4 Single aussian Peak Fit NOTE If printing takes a long time and disk activity is high please note the following The picture for the printing is first built in the memory but it may need quite a lot of memory if the printer resolution is high and therefore Windows makes intense virtual memory swapping to disk if for example only 8 MB RAM are available Therefore it is recommended never use a 600 dpi printer driver for the printout of spectra For example for an HP Laser 4 install the PCL driver and use 300 dpi The PCL driver is also much more effective than a Postscript driver printing is much faster With 600 dpi the maximum figure size is indeed limited to about 12 cm x 7 cm Windows cannot handle on an easy way bitmaps larger than 16 MB Setup Printer The Setup Printer menu item allows to configure the printer Exit The Exit menu item exits the MCDWIN
9. start3 Clears and starts system 3 Further execution suspended see start start4 Clears and starts system 4 Further execution suspended see start halt Stops an acquisition if one is running halt2 Stops acquisition of system 2 if running halt3 Stops acquisition of system 3 if running halt4 Stops acquisition of system 4 if running cont Continues an acquisition If a Realtime preset is already reached the time preset is prolongated by the value which was valid when the start command was executed Further execution of the CTL file is suspended see start cont2 Continues acquisition of system 2 see cont cont3 Continues acquisition of system 3 see cont cont4 Continues acquisition of system 4 see cont savecnf Writes the settings into W7886 INF MC A Sets actual multichannel analyzer to MC A for the rest of the controlfile MC B MCD Sets actual multichannel analyzer to MC B MC D for the rest of the controlfile savedat Saves data load Loads data the filename must be specified before with a command datname add Adds data the filename must be specified before with a command datname sub Subtracts data from actual multichannel analyzer the filename must be specified before with a command datname smooth Smoothes the data in actual multichannel analyzer IMF AST ComTec GmbH 5 8 Windows Server Program eras Clears the histogram eras2 Clears the data of syst
10. 6 2 Window Menu The Window menu allows to arrange the Display windows Tile El With the Tile menu item or clicking the corresponding icon all opened and displayed MCDWIN Display windows are arranged over the full MCDWIN client area trying to make the same size for all windows Cascade El The Cascade menu item or respective icon arranges all windows in a cascade Arrange Icons By the Arrange Icons menu item the minimized MCDWIN Display windows are arranged in a series at the bottom of the MCDWIN client area Close All By selecting the Close All menu item all Display windows are closed IMF AST ComTec GmbH 6 3 MCDWIN Software Window list At the end of the Window menu all created Display windows are listed with their names the current active window is checked By selecting any of the names this window becomes the active and is displayed in front of all others 6 3 Region Menu The Region menu contains commands for Regions and ROIs Regions of Interest A Region can be marked in a display with the mouse using the right mouse button by dragging a rectangle over the area one is interested in A ROI i e an already defined region in a single spectra can be shown zoomed by double clicking with the left mouse button on the corresponding colored area in the bar at the bottom of the spectra display A single mouse click with the left button on the corresponding colored area makes this to the active ROI and lets the
11. Data RUN TEST CTL 2000 1500 1000 s00 U 2000 4000 6000 2000 Figure 5 13 Control Panel of the demo VI for LabVIEW 5 2 5 DDE Conversation with GRAMS 386 The following file GRAMS886 CIF can be used to get the P7886 data into GRAMS 386 via DDE using the Collect menu P7886 DDE Test Query P7886 7886 DATA Save end spc 1 second 5 3 Controlling the P7886 Windows Server via DLL The P7886 server program provides access to all functions parameters and data via a DLL dynamic link library So the server can be completely controlled by the MCDWIN software that provides all necessary graphic displays In the following some parts of the header and definition files of the DP7886 DLL are listed that may help an experienced programmer to use the DLL for own applications The arguments item nDevice nDisplay nSystem are only for compatibility with other devices controlled by the MCDWIN software and must be zero IMF AST ComTec GmbH 5 14 Windows Server Program NOTE The complete documented sourcecode of the DLL including fundamental VI s and an example VI for LabVIEW and an example Visual Basic program is available as an option typedef struct int started double runtime double totalsum double roisum double roirate double nettosum double sweeps double stevents unsigned long maxval ACQSTATUS aquisition status 1 if running 0 else running time in seconds total events e
12. P7886A INF also the header files with extension 886 contain such commands to set the parameters Each command starts at the beginning of a new line with a typical keyword Any further characters in a line may contain a value or a comment Following methods are available to execute commands e Load the command file using the Load command in the file menu e Enable remote mode in the server and send commands via the serial connection The COMCTL DLL is necessary which is part of the optional available MCDLAN software e Open a DDE connection and send the commands via DDE as described in section The application name for opening the DDE connection with the standard P7886 server program P7886 EXE is P7886 the topic is 7886 Implemented are the DDE Execute to perform any command and the DDE Request with items RANGE and DATA e Send the commands over a TCP IP net using a remote shell and the optional available MCDLAN software It is necessary to have a TCP IP Winsock installed like the Trumpet winsockets and that the remote shell daemon program MCWNET is running See the readme file on the installation disk e Send the commands via the DLL interface from LabVIEW a Visual Basic program or any other application software including the complete source code of the DLL and examples optional available e From your own Windows application register a Windows message and then send the command as can be seen in the DLL source code The file P7886A IN
13. channel contents below this value then aren t taken into account for the mean value calculation It is possible to change to a two dimensional view of the spectrum by specifying the x Dimension and clicking the button gt gt MAP IMF AST ComTec GmbH 6 8 MCDWIN Software Single Display Options E M Max Pixel g Threshold Mean Pixel 1 Min Pixel s Dimension 256 Cancel gt gt MAP Figure 6 8 Single View dialog box For MAP displays the Display Options dialog is changed and allows a choice between four Graphic types bitmap dot vector dot bitmap contour and vector contour Bitmap Dot is recommended as a standard because it makes a good and fast display Vector Contour paints colored contour lines To calculate the lines takes a lot of time and causes the mouse pointer changing to an hourglass But it gives very impressive colored pictures suited especially for presentation and when looking carefully at spectra details HAP View Ea Graphic Type Dimension r 256 bitmap dot vector dot bitmap contour vector Contour gt gt Single Cancel gt gt sometre Figure 6 9 MAP View dialog box From the MAP View dialog it is possible to change to Single view by clicking gt gt Single or change to Isometric View by clicking gt gt Isometric IMF AST ComTec GmbH 6 9 MCDWIN Software lzometr c View F Graphic Type View angles Precession 0 00 deg T
14. computer Plug in the 16 pin socket connector at the end of the ribbon cable into the 16 pin four walled header on the P7886 PCI board WARNING Before connecting any input signal on to the discriminator inputs take care not to exceed the maximum differential input voltage of 3 0V between the discriminator input and the corresponding threshold voltage ref chapter 3 3 and 7 2 1 2 3 Software Installation If you are using Windows 98 or Windows 2000 the hardware manager will recognize the PCI card as a new hardware the first time after power on with the PCI card mounted and will ask for a driver Please insert then the installation disk and specify A WDMDRIV as the driver location To install the P7886 software on your hard disk insert the P7886 disk into drive A Log to drive A by typing from a DOS box or searching with the explorer C gt A lt RETURN gt and start the installation batch file by typing or double clicking A gt INSTALL lt RETURN gt A directory called C P7886 is created on the hard disk and all P7886 and MCDWIN files are transferred to this directory Drive C is taken as default drive and P7886 as default directory It is not mandatory that the P7886 operating software is located in this directory After the installation is completed you may copy the files to any other directory When using Windows NT 4 0 please install then the driver from the NTDRIVER subdirectory on drive and reboot A gt C
15. event detection is prohibited NOTE When gating use narrow pulses for the stop events to prevent generation of false stops when the gate signal goes LOW No signal should be connected to an unused input When only one input is used as might be the regular case the software switches off the other input 4 5 FIFO Concept A two step FIFO concept is used to get the ultra high burst count rate of 2 GHz 1 GHz QS 500 MHz QE while also providing a large average or sustained event rate The detected stop events are fed into a 255 deep ultra fast multi event First In First Dut memory A sophisticated input logic allows to buffer stop events every 500 ps 1 ns S 2 ns QE for at least 4 us which corresponds to a burst count rate of 2 GHz 1 GHz S 500 MHz E for a whole 8k 4k S 2k E spectrum As a matter of fact each of the 255 FIFO words contains a period of 16 ns regardless of the number of stop events This data is then transferred to the second 16k deep FIFO memory The depth of this second FIFO assures that high speed DMA data transfer over the PCI bus is feasible without easily loosing data by a filled up FIFO EVENT DETECTION ULTRA FAST MULTI LARGE EVENT FIFO gt FIFO 16K DEEP 16 NS x 255 DEEP PCI BUS 2 1 S GHZ PCI 16 NS CLOCK Figure 4 3 Two step FIFO concept for highest data throughput IMF ASST ComTec GmbH 4 3 Functional Description When an experiment requires to b
16. for a new start and begins a new sweep as soon as the next START signal arrives 4 2 2 Continuous Wrap Around Mode This mode features absolutely no end of sweep deadtime It is applicable to cyclic experiments allowing the P7886 to control the whole measurement Once started e g by the software or a single start signal the P7886 timer runs continuously wrapping around at the end of it s 37 bit 36 bit S 35 bit E range When one of the timer bits controls triggers the external experimental setup via the SYNC outputs you per se know that the higher data bits can be discarded The lowest order bit accessible ref chapter 3 4 is 2 x 500 ps 16 ns COUNT 0 Thus the minimum cycle time is 32 ns corresponding to COUNTI O which toggles every 16 ns giving a 32 ns period Example Cyclic measurement with 2 x 32ns 8192 ns period Trigger the external devices when COUNT 8 toggles from TRUE to FALSE Thus the lower 6 8 14 bit 13 bit S 12 bit E of the acquired event data may be histogrammed giving a 16kchannel 8k S 4k E spectrum 4 2 3 Sequential Mode Like the stop after sweep mode but with a preselected number of sweeps When the sweep preset is reached the FIFO is emptied the corresponding spectrum closed and a new sequence with the same number of sweeps is started Thus the timely development of a histogrammed distribution may be watched 4 2 4 Start Event Marker For e g off line or replay ana
17. gate a NIM input by the corresponding 2V input for this case the checkboxes of both inputs can be marked IMF AST ComTec GmbH 5 3 Windows Server Program Input Thresholds Start M Nim 0500 Al H Fast NIM 2 7 2v 0 500 KI H l Slow NIk ae ie Enter the threshold Voltage for the falling edge ECL Fast NIM Stop M NIM 0400 Al gt Fast Nim MT 1 493 Al Fl Slow NIM Cancel Figure 5 4 Input thresholds dialog The System item in the settings menu opens the System Definition dialog box If more than one P7886 modules are used several cards can be combined to form one or up to 4 seperate systems that can be started stopped and erased by one command In addition the use of the Digital Input Output and the GO Line can defined It can be used either to show the status of the MCA if the checkbox Status Dig 0 0 3 for more modules is marked At the respective pins 5 Volt are output if an acquisition is running and 0 V if not The polarity can be inverted by checking Invert Alternatively it can be used for example with a sample changer by checking Value inc at Stop Here the 8 bit value entered in the edit field a number between 0 and 255 is output at the Dig I O port This value will always be incremented by 1 if the P7886 is stopped The Invert checkbox allows to invert the logical level See also the commands pulse and waitpin how to handshake a sample changer The Radio buttons Push Pull and Open Dra
18. located at the PCI board mounting bracket These inputs accept FAST NIM pulses 0 0 7 V 14 mA Zin 50 Q The connectors are SMA types The threshold level is fine tunable in a range of 0 25 0 80 V and defaults to 0 4 V FAST NIM THRESHOLD Figure 3 3 FAST NIM input schematic IMF AST ComTec GmbH 3 2 3 3 Hardware Description 2V Discriminator Inputs THRESHOLD Figure 3 4 Discriminator input schematic The discriminator inputs ref accept input signals in a range of 2 V The input impedance is 50 Q The inputs are falling edge sensitive The threshold level is software tunable in a range of 1 5 V WARNING Take care not to exceed the maximum differential input voltage of 3 0V between the discriminator input and the threshold voltage ref chapter 7 2 1 3 4 SYNC Outputs The SYNC outputs provide a large variety of output signals for a lot of synchronizing triggering monitoring or whatever application The selectable output signals are OFF FIRST LAST FIFO1 FULL FIFO2 FULL COUNTJ 0 COUNT 1 COUNT 2 COUNT 26 SWEEP 0 SWEEP 1 SWEEPI2 SWEEP 31 indicates a running sweep when 0 pulsed high when the acquisition delay has elapsed after a start pulsed high when the acquisition time range ends end of sweep the ultra fast 255 deep FIFO is full the large 16k deep FIFO is full 16 ns 2 x 16 ns periodic timer signal while a sweep is running 32 ns
19. oscillator is available The ovenized option is particularly recommended for longer sweep ranges or long term measurements When figuring that a measurement at say 10 ms after the start has a dynamic range of 20 million channels a low timebase drift of only 1 ppm will result in a 20 channel drift at the end of the 10 ms range IMF AST ComTec GmbH 3 6 Functional Description 4 Functional Description 4 1 Introduction The P7886 measures the arrival time of STOP input events relative to a previous START signal The resolution or time bin width is 500 ps 1 ns S 2 ns QE The full dynamic range is 37 bit 36 bit S 35 bit E of which the lower 32 bit 31 bit E are transferred into the PC The higher order bits are per se known by the system setup The 27 bits 5 31 of the timer are also accessible via the SYNC outputs COUNTIO 26 ref chapter 3 4 The measured data is transferred into the PC memory in list mode i e as they are acquired 4 2 Modes of Operation 4 2 1 Stop After Sweep Mode This might be the most usual mode of operation When the P7886 is armed it waits for a START input signal When one occurs the sweep is started triggered meaning the time starts to count Now the arrival times of the STOP input signals relative to the start are acquired When the selected measurement time range has elapsed the sweep and so the data acquisition ends After a short lt 200 ns end of sweep deadtime the P7886 is ready
20. the P7886 A toolbar provides fast access to many used functions in the menu status bar at the bottom gives help about the meaning of the toolbar icons cursor appears when clicking the left mouse button inside the graphics area To get rid of the cursor make a double click with the right mouse button outside the graphics area To define a region press the right mouse button and while keeping the button pressed drag a rectangle In zoomed state a scrollbar appears that allows to scroll through the spectrum MCDWIN has now v 2 5 also viewing capabilities for two dimensional spectra A single spectrum can be converted into a two dimensional one by specifying the x dimension in the display option dialog It is possible to drag a rectangle and zoom into this rectangle Rectangular ROls can be set and the ROISum and Net ROISum is displayed The Net Sum is calculated the same way like in the single view by subtracting a linear interpolated background from the both outmost channels in x direction This Net sums are then summed up in y direction The ROl editing dialog is changed into a Rectangular Editing dialog for MAP and ISO displays The Cursor can be moved in x and y direction using the mouse and the arrow keys in ISO display only using the arrow keys IMF AST ComTec GmbH 6 1 MCDWIN Software Sie NOTE ES TOI eo Ea lee jm F1 F2 F3 F4 F5 F F7jFa Folriojrt ri2 TotalSum 1072085 Cursor Counts RegionRect DESS DE 2 R
21. time of also 500 ps 1 ns S 2 ns E No deadtime between the time bins and secure prevention of double counting is established by the sophisticated input logic circuitry The concept of a two step onboard FIFO with an ultra fast 255 deep multi event FIFO and a second 16k deep FIFO allows for unprecedented burst and average count rates Additional features are two onboard discriminators logically combined with the two FAST NIM inputs ref chapters 4 3 and 4 4 This enables for either high speed gating of the inputs or adjustment to non FAST NIM input signals GO LINE EXTRA POWER MULTI I O I O CONFIG RESISTORS SEE ce 5 eg oe va Figure 3 1 P7886 PCI board Besides two SYNC outputs with a large variety of output signal options all software selectable and the GO line compatible to other FAST products allow for easy synchronization or triggering of other measurement equipment Furthermore a versatile user configurable 8 bit digital I O port allows for a whole bunch of experimental control monitor or whatsoever other tasks IMF AST ComTec GmbH 3 1 Hardware Description 3 2 FAST NIM Signal Inputs 2V DISCRIMINATOR 3 START INPUT START 2V 2V DISCRIMINATOR 3 STOP INPUT ST 2V FAST NIM SYNC 1 OUTPUT gt og i Nim p Figure 3 2 SMA connectors on the mounting bracket For highest accuracy and data rate requirements use the FAST NIM inputs
22. 0000000 Binwidth 1 Range faa Acq Delay ne jo ro fo fan Setup name Inputs oy ob DE Cancel Save Set Load Set Figure 2 7 P7886 Settings window Select the 2 V discriminator inputs and deselect the NIM inputs which will actually set the FAST NIM threshold levels to a slightly positive voltage Thus without a signal applied the FAST NIM inputs will not influence the measurement The discriminator inputs are set to Slow NIM which IMF AST ComTec GmbH 2 5 Installation Procedure actually sets the threshold voltage to 1 0 V ref pe Now click OK to get back to the P7886 Settings window Again click OK Input Thresholds Ei Start F Nim 0 500 Al Fast NIM La Slow NIM Fast NIM La Slow NIM Figure 2 8 Input Threshold window Now lets change the display to have a grid and the axis numbered Click on Options Axis Enable the grid and the axis ticks ref Figure 2 9 Then click OK Axis Parameters Frame width fi Style y Rectangular width m Grid W Enable width f1 word MW Enable Width fi Style Dot Style Dot Tick Tick Size 4 Width fi Size 4 Width fi I Top M Bottom Right Cancel Figure 2 9 Axis Parameter window Use Calibration The hardware is initialized properly now and also the display should look as in Figure 2 10 To start the measurement now click on the Start button IMF AS
23. 50 E time bins active sweep end of sweep deadtime HH 4 pisec 10 MHz ee ON STOP EVENT start of sweep next start of sweep Figure 2 3 Basic measurement timing diagram First let s setup up the wire connections to the board and then start the software to run the measurement 2 4 1 Connecting the test signals The generator must be able to drive two 50 Q inputs to some 1 Volts and should not exceed 2 5 V as not to exceed the absolute maximum ratings of the discriminator inputs For this a 50 Q power splitter divides the 10 MHz TTL signal into two branches The two output signals of the power splitter are connected to the 2 V discriminator START and STOP inputs on the PCI bracket ref Figure 2 5 IMF AST ComTec GmbH 2 3 Installation Procedure START POWER GENERATOR SPLITTER Figure 2 4 Basic measurement setup WARNING Before connecting any input signal on to the discriminator inputs take care not to exceed the maximum differential input voltage of 3 0V between the discriminator input and the corresponding threshold voltage ref chapter B 3 and 7 2 1 On power up the threshold levels are initially set reset to 0 V Figure 2 5 Bracket mounted signal connectors 2 4 2 Starting the MCDWIN and setup for a measurement Next step is to start the P7886 software by double clicking the corresponding icon This will automatically start
24. A INF using the control language see the following section This file is loaded at program start automatically and the parameters set Together with each data file a header file with extension 886 is saved This header also contains all settings and in addition some information like the date and time of the measurement and comments entered in the MCDWIN program Remote Control M Use Remote Control Fono GNbEKOAGALGKOMNOMGELENOAGOKOROLBOONELOEDEGNGR MF Echo command Echo character Communication Parameters COM Pot PO Baud 9600 Databits In Stopbits 1 Cancel Figure 5 7 Remote control dialog Parity IMF AST ComTec GmbH 5 5 Windows Server Program The Remote button opens the Remote control dialog box Here all settings can be made for the control of the P7886 server program via a serial port If the Checkbox Use Remote Control is marked and the COMCTL DLL is available i e you have the optional MCDLAN software the specified COM port will be used for accepting commands see Control language If Echo command is marked the input line will be echoed after the newline character was sent Echo character on the other hand immediately echoes each character 5 1 Control Language A sequence of commands that is stored in a file with extension CTL can be executed by the P7886 server program with the Load command A lot of these commands are used in the configuration file
25. COME klinik female SMA Med rose SENNA 50 Q Threshold voltage H Es TL 0O V EE Le EE EE 1 5 to 1 5 V EEE NER E E EEE E E in steps of 0 7 mV SENSE 2 aT EEE EE typ 30 mV IMF AST ComTec GmbH Appendix 7 2 Hysteresis Bandwidth FAST NIM STOP Input Location Connector Impedance Threshold voltage 2 V STOP Input Location Connector Impedance Threshold voltage Sensitivity Hysteresis Bandwidth FAST NIM SYNC 1 Output Location Connector Impedance Output HIGH voltage Output LOW voltage Output short circuit current SYNC 2 Output Location Output HIGH voltage Output LOW voltage Output short circuit current Digital I O 0 7 Location R PULL R I O IMF AST ComTec GmbH Appendix EE einem tr nn en entree mounting bracket EEE ET IE female SMA default 0 4 V rrnernnnonnnnnnnnrnnanrnnanrnnnnennnnnnnnnn 0 8 to 0 25 V ET EE EE EEE in steps of 0 5 mV EE EN ee mounting bracket EEE EE female SMA deraut O ON EE EE EE EE 1 5 to 1 5 V EE E EEEE A E E EEA in steps of 0 7 mV NE e a SN se typ 30 mV VE EEE EE typ 5 10 mV ERE EE ENN mounting bracket EE de TUR PT SR female SMA 50010600 pre typ 0 0 V 50 02 1030 seele typ 0 8 V Vour OND Arsen typ 28 mA at POUT loutHIGH WA ae min 2 4 V at POUT loutLow NOMA EE EE eee max 0 45 V Vout GND RPuLL o0 Rio 09 a nement 15 to 180 mA Vour 3 3 V RPpuLL oo Rio 09 HE wear
26. D T otalSum 1072085 Cursor Counts RegionRect 130 135 127 115 0 Figure 6 2 MCDWIN Map and Isometric display A status window at the left side gives all information about the status of the P7886 A toolbar provides fast access to many used functions in the menu A status bar at the bottom gives help about the meaning of the toolbar icons A cursor appears when clicking the left mouse button inside the graphics area The cursor can be moved using the arrow keys To get rid of the cursor make a double click with the right mouse button outside the graphics area To define a region press the right mouse button and while keeping the button pressed drag a rectangle In zoomed state a scrollbar appears that allows to scroll through the spectrum In the following the several menu functions are described together with the corresponding toolbar icons 6 1 File Menu Load Add Save Save As These menu items provide the usual functions for loading and saving data common to most Windows programs When saving data you have the choice between binary DAT and ASCII ASC format When you load data select a header file extension 886 This file contains the information about the length and format of the data file which is then automatically read It is also possible to load a file with extension CTL containing commands which are then executed With Add the data is added to the present data The data loaded from a file is
27. D NTDRIVER lt RETURN gt A NTDRIVER gt INSTALL lt RETURN gt Use the Explorer to find the icons of MCDWIN EXE and P7886 EXE look in C P7886 and drag them onto the Desktop keeping the right mouse button pressed P7886 EXE is the P7886 Hardware Server program This program will automatically call the MCDWIN EXE program when it is executed The P7886 Server program controls the P7886 board but provides no graphics IMF AST ComTec GmbH 2 2 Installation Procedure display capability by itself By using the MCDWIN program the user has complete control of the P7886 along with the MCDWIN display capabilities If you have more than one P7886 modules installed edit the line devices 1 and enter the number of modules The frequency of the PLL in units of Hz has to be defined in the W7886 INI file by a line like pllfreq 2e9 pllfreq 1e9 S pllfreq 5e8 AE To run the P7886 program simply double click on the P7886 Server Program icon 2 4 Getting Started with a basic measurement To ease getting familiar with the use of the P7886 we will now setup a basic measurement We use a simple TTL signal generator to supply START and STOP signals We want to measure the arrival time of multiple STOP events in a time range of 4 us after a START Trigger pulse The measurement should run for exactly 1 000 000 sweeps scans shots until it ends The resulting spectrum is suggested to look like a garden fence with peaks every 100 ns or 200 100 S
28. DWIN program and therefore can be made only if this application is running fitrois MC _ A Similar to the fitroi command but using the argument allows to specify which spectrum should be evaluated independently of which child window is activated in MCDWIN autocal Makes a single peak Gaussian fit for all ROIs in the active Display of MCDWIN for which a peak value was entered in the MCDWIN Region Edit dialog and uses the results for a calibration This is performed by the MCDWIN program and therefore can be made only if this application is running autocal MC A Similar to the autocal command but using the argument allows to specify which spectrum should be evaluated independently of which child window is activated in MCDWIN The following commands make sense only when using the serial line TCP IP or DLL control MC_A Sends the status of MC_A via the serial port and make MC_A actual MC_B Sends the status of MC_B via the serial port and make MC_B actual MC_C Sends the status of MC_C via the serial port and make MC_C actual MC_D Sends the status of MC_D via the serial port and make MC_D actual Send the status of the actual multi channel analyzer sendfile filename Sends the ASCII file named filename over the serial line The execution of a control file can be ended from the Server or MCDWIN with the Halt button 5 2 Controlling the P7886 Windows Server via DDE The P7886 progr
29. F contains a complete list of commands for setting parameters An example is digio 0 Use of digital I O and GO Line hex bit 0 status dig 0 3 bit 1 Output digval and increment digval after stop bit 2 Invert polarity bit 3 Push Pull output bit 4 7 Input pins 4 7 Trigger System 1 4 bit 8 GOWATCH bit 9 GO High at Start bit 10 GO Low at Stop bit 11 Clear before external triggered start digval 0 8 bit digital I O value for sample changer range 4096 sets histogram length fstchan 0 sets time offset number of first channel 32 16 for P7886S IMF ASST ComTec GmbH 5 6 Windows Server Program sweepmode 3a0 hex sweepmode amp OxF 0 normal 4 sequential bit 4 Softw Start bit 5 DMA mode bit 6 Wrap around bit 7 Start event generation bit 8 DACO ON bit 9 DAC1 ON bit 10 DAC2 ON bit 11 DAC3 ON swpreset 1 Sweep Preset value prena 0 Presets enabled hex bit 0 real time preset enabled bit 1 single sweeps enabled bit 2 sweep preset enabled bit 3 ROI preset enabled bit 4 Starts preset enabled syncout 0 sync out hex bit 0 5 NIM sync out bit 6 12 TTL sync out O OFF 1 FIRST 2 LAST 3 FIFO1 FULL 4 FIFO2 FULL 5 COUNT O 31 COUNT 26 32 63 SWEEP 0 SWEEP 31 ssweeps 1 number of single sweeps for single sweeps mode cycles 1 for sequential mode dacnim 4cc04cc hex LOWORD DACO value NIM STOP HIWORD DAC1 value NIM
30. P7886 S E 2 1 0 5 GHz Time of Flight Multiscaler User Manual Copyright FAST ComTec GmbH Gr nwalder Weg 28a D 82041 Oberhaching Germany p i i ty u Rn Ar A ved D m nr wy E v gt Version 2 0 March 9 2000 Warranty Information Warranty Information FAST ComTec warrants proper operation of this software only when used with software and hardware supplied by FAST ComTec FAST ComTec assumes no responsibility for modifications made to this software by third parties or for the use or reliability of this software if used with hardware or software not supplied by FAST ComTec FAST ComTec makes no other warranty expressed or implied as to the merchantability or fitness for an intended purpose of this software Software License You have purchased the license to use this software not the software itself Since title to this software remains with FAST ComTec you may not sell or transfer this software This license allows you to use this software on only one compatible computer at a time You must get FAST ComTec s written permission for any exception to this license Backup Copy This software is protected by German Copyright Law and by International Copyright Treaties You have FAST ComTec s express permission to make one archival copy of this software for backup protection You may not otherwise copy this software or any part of it for any other purpose Copyright 1999 FAST ComTec Commu
31. START daccomp d550d55 hex LOWORD DAC2 value 2V STOP HIWORD DAC3 value 2V START bitshift 0 Bin width 0 1 1 2 2 4 3 8 rtpreset 50 Time preset Seconds evpreset 100000000 ROI preset autoinc 0 Enable Auto increment of filename datname data spec2 asc Filename savedata 0 bit 0 1 if auto save after stop bit 1 write list file bit 2 list file only no histogram fmt dat Format ASCII asc Binary dat smoothpts 5 Number of points to average for a smooth operation roimin 0 ROI lower limit inclusive roimax 512 ROI upper limit exclusive caluse 0 bit 0 1 Use calibration higher bits formula IMF ASST ComTec GmbH 5 7 Windows Server Program calch0 0 00 First calibration point channel calvl0 0 000000 First calibration point value calch1 100 00 Second calibration point channel calvi1 50 000000 Second calibration point value caloff 0 000000 Calibration parameter Offset calfact 0 500000 Calibration parameter Factor calunit nsec Calibration unit The following commands perform actions and therefore usually are not included in the P7886 INF file fpll 2e9 Set PLL frequency Hz P7886 S around 1e9 fpli 0 005e9 Change PLL frequency Hz start Clears the data and starts a new acquisition Further execution of the CTL file is suspended until measurements stops due to a preset start2 Clears and starts system 2 Further execution Suspended see start
32. T ComTec GmbH 2 6 Installation Procedure FR MCDWIN Oy x able eels beer ko mS Soe rimoj relesi sfr oran Preis catus PET IoIx er Filename spec RealTime 0 00 TotalSum r ROISum 0 4 ROIRate 0 r Sweeps 0 Starts i 0 0 1000 2000 3000 4000 5000 6000 7000 TotalSum 0 Cursor Counts RegionRect 0 0 0 0 Erases and starts a measurement Figure 2 10 MCDWIN properly setup The measurement will begin to run and end when 1 000 000 sweeps are done The resulting spectrum should look as in Figure 2 111 The peaks are separated by 200 channels 100 S 50 E or 100 ns The sweep counter shows that exactly 1 000 000 sweeps have been acquired See ER alm icy ee jm Fijrzjralra F5 F jF7jFa Fajriofrmjr 2 200000 180000 160000 140000 120000 100000 80000 60000 40000 20000 X 0 0 1000 2000 TotalSum 8862982 Cursor ounts ROIS um 0 Net 0 ROI 0000 98 143 RegionRect 0 Acquisition OFF Figure 2 11 Resulting spectrum of the basic measurement IMF AST ComTec GmbH 2 7 Hardware Description 3 Hardware Description 3 1 Overview The P7886 is a full size PCI PC board with bus master capabilities All settings are software selectable No jumper switch etc configurations necessary It is able to measure multiple events with a time resolution of 500 ps 1 ns S 2 ns E at an incredible low pulse pair follow
33. am can be a server for DDE Dynamic Data Exchange Many Windows software packages can use the DDE standard protocols to communicate with other Windows programs for example GRAMS FAMOS or LabVIEW In the following the DDE capabilities of the P7886 program are described together with a demo VI Virtual Instrument for LabVIEW It is not recommended to use the DDE protocol for LabVIEW as also a DLL interface is available that is much faster The following should be seen as a general description of the DDE conversation capabilities of the P7886 program IMF AST ComTec GmbH 5 10 Windows Server Program 5 2 1 Open Conversation application P7886 topic 7886 Any application that wants to be a client of a DDE server must open the conversation first by specifying an application and a topic name The application name is P7886 and the topic is 7886 p 886dde vi Diagram Figure 5 8 Opening the DDE conversation with the P7886 in LabVIEW 5 2 2 DDE Execute The DDE Execute command can be used to perform any action of the P7886 program Any of the Control command lines described in section 5 1 can be used For example a sequence of control commands saved in a file TEST CTL can be executed by specifying the command RUN TEST CTL The P7886 program then executes the command and after finishing it sends an Acknowledge message to the DDE client This can be used to synchronize the actions in both applications IMF AST ComTec GmbH 5 11
34. counts contained in this ROI be displayed in the information lines of the respective window ICE 3 The Zoom item or respective icon enlarges a Region to the maximum Display Spectrum size The Back menu item or clicking the corresponding icon restores the last zoom view successive Back command returns to the previous view Zoom Out e The Zoom Out menu item or clicking the corresponding icon reduces the actual zoom factor by 2 if applicable L om D d Clicking the Home menu item or the corresponding icon restores a Display to the basic configuration Shape Selecting the Shape menu item opens a submenu with the items Rectangle X Slice Y Slice and Polygon to choose the ROI shape Rectangle tell Lun nd Li Sets the region shape to a rectangle with arbitrary dimensions To enter the rectangular region press the right mouse button drag a rectangle and release the button to define the region X Slice Sets the Region shape to the rectangle with maximum height INFAST comtecGmbH 64 MCDWIN Software Y Slice Sets the Region shape to the rectangle with maximum width Create m The Create menu item creates a new ROI from the current marked Region Delete tl By selecting the Delete menu item or the respective icon the current active ROI is deleted and the previously defined ROI is activated Edit With the Edit item a dialog box is opened which allows to edit the ROI l
35. e absolutely sure not to miss any single stop event the condition of an occasionally filled FIFO is detectable via internal register flags and the SYNC outputs Thus the experimental setup might be changed to prevent e g shadow effects or wrong normalization that might occur from such a situation 4 6 Measurement Time Window and Acquisition Delay The time window in which stop events are acquired is programmable over a wide range The begin delay after the Start Trigger and end of the window is fully programmable This enables to detect even late events with large input count rates This is due to the data reduction executed The fact is that all data that occur outside the selected time window are discarded An acquisition delay programmable in increments of 16 ns begins data acquisition only when the selected time after the corresponding START signal has elapsed Then data is sampled for the selected time range All events occurring before the acquisition offset time has elapsed are discarded and do not contribute to the burst and average data rate The theoretical limit of the measurement window is 2 seconds 2 time bins 4 sec S 2 sec 2 bins E which can be layed inside any 2 second 2 bin 2 bin E 4 sec S block in the 68 sec 2 bins 2 bins S 2 bins E full dynamic range The maximum acquisition delay is 2 2 x 16 ns 66 sec 64 s S Example Average STOP data rate of 100 MHz Interest
36. e of the axis IMF AST ComTec GmbH 6 10 MCDWIN Software labeling depends on enabled ticks at the bottom respective left side If no ticks are enabled there only the lowest and highest values are displayed at the axis otherwise the ticks are labeled Scaling g0 The Scaling menu item or the corresponding icon opens the Scale Parameters dialog box Scale Parameters Counts Range r Counts Scale Maximal 1300 fr Linear Minimal ab W Auto scale C Logarithmic Minimum auto scale Cancel Figure 6 12 Scale Parameters dialog box It allows to change the ranges and attributes of a Spectrum axis By setting the Auto scaling mode the MCDWIN will automatically recalculate the y axe s maximum value for the visible Spectrum region only To keep the same height of the visible region for a longer time deselect the Auto scaling mode Then with the scroll bar thumb one can quickly change the visible region scale otherwise the scale will be changed automatically The Minimum auto scale mode helps to display weak structures on a large background Lin Log scale mio 10 Chose between Linear or Logarithmic scaling All options have effect only on the active Display Calibration 02 A0 2 Using the Calibration menu item or the corresponding icon opens the Calibration dialog box IMF AST ComTec GmbH 6 11 MCDWIN Software Calibration Use Calibration EJ Unit Calibration Points Channel Channel Yalue
37. em 2 eras3 Clears the data of system 3 eras4 Clears the data of system 4 sweep Starts a sweep by software exit Exits the P7886 and MCDWIN programs alert Message Displays a Messagebox containing Message and an OK button that must be pressed before execution can continue waitinfo 5000 Message Displays a Messagebox containing Message an OK and an END button After the specified time 5000 msec the Messagebox vanishes and execution continues OK continues immediately END escapes execution beep Makes a beep The character may be replaced with 7 or left empty The corresponding sound is defined in the WIN INI file in the sounds section delay 4000 Waits specified time 4000 msec 4 sec run controlfile Runs a sequence of commands stored in controlfile This command cannot be nested i e from the controlfile called a second run command cannot be executed onstart command The command is executed always after a start action when the acquisition is already running The command can be any valid command also run controlfile is possible onstart off Switches off the onstart feature Also a manual Stop command switches it off onstop command The command is executed always after a stop caused by a preset reached This can be used to program measure cycles For example the command onstop start makes a loop of this kind onstop off Switches off the onstop featu
38. eset is reached If more than one P7886 card is used the system definition dialog box comes up as shown in Here the several units can be combined to form up to 4 separate systems that can be started stopped and erased by one command System Definition EG GO Line Mot active System Systemz2 System 3 System 4 PIT gt gt gt gt gt gt ct All ct All ct All All Status Dig 0 3 Invert Start with DiglO Input vn fo ae before Start Cancel Save Set Remote Figure 5 6 System Definition dialog box two P7886 cards Watch f High at Start Y Low at Stop PiglO Output Push Pull fr Open Drain In the shown setting a single system is formed The two modules MC A and MC B are combined System 1 can be started stopped erased and continued with the respective commands in the Action 1 menu It is also possible for example to form two independent systems 1 and 2 Click on the button labeled lt lt All below the list box System1 to remove all units from system 1 They are then shown in the Not active list box Then select unit A and click on the button labeled gt gt below the System 1 list box to include it into system 1 and perform the respective action for unit B and System 2 OK accepts all settings and displays the value of P the time counter preset value Cancel rejects all changes Pressing Save Settings stores all settings in the file P7886
39. f the computer case and insert the P7886 PCI board in an unused PCI slot You might first have to remove the cover from the rear of the PCI expansion slot you selected After the board is carefully seated in the PCI slot make sure you fasten the board with a screw to the mounting bracket WARNING Take care to provide ample airflow around the P7886 board While all the power may be derived over the PCI bus connector the large current from the 12 V supply however strongly suggests to use the supplied extra power cable to draw power from the PC s power supply directly EXTRA POWER SUPPLY Figure 2 1 Extra power supply connector IMF AST ComTec GmbH 2 1 Installation Procedure For this connect the small 3 5 floppy type power connector of the delivered floppy Y cable to the EXTRA POWER SUPPLY connector on the P7886 ref Figure 2 1 and to your PC s power supply The connectors are polarized so a false connection cannot easily be made red 5 V is left yellow 12 V is right SIL 9 PIN PULLUP RESISTOR NETWORK MULTI 1 0 CONNECTOR DIL 16 PIN 1 0 RESISTOR NETWORK PIN 1 Figure 2 2 add on multi I O port connector Now install the add on multi I O port connector In some computer cases special fittings are available for some types of D SUB connectors These are particularly useful to save slots for additional plug in boards Otherwise mount the housing bracket with the 15 pin D SUB connector in another available slot of your
40. ftware Physical Color Selection Red E Green Blue 5 Figure 6 7 Color Palette dialog box To change on of the colors select Palette colors and click on one of the colors In the Color Palette dialog box the RGB values can be edited or for a 256 color video driver one of the Physical palette colors can be chosen Display z x The Display menu item or the corresponding icon opens for single spectra the Single view dialog box Here the graphic display mode of single spectra can be chosen The type combo box gives a choice between dot histogram spline I and line Dot means that each spectra point is shown as a small rectangle the size of this rectangle can be adjusted with the size combo box Histogram is the usual display with horizontal and vertical lines spline I means linear interpolation between the points and line means vertical lines from the ground to each spectra point If the displayed spectra range contains more channels as pixel columns are available in the video graphic display usually only the maximum value of the channels falling into that pixel columns is displayed But it can also explicitly specified by marking the checkboxes Max Pixel Mean Pixel or Min Pixel which value will be displayed It is also possible to display all three possible values in different colors that can be chosen in the colors dialog For the Mean Pixel a Threshold value can be entered
41. hat provides all necessary graphic displays i p788 Miel ES File Settings Action Figure 5 1 P7886 Server Window At program start the configuration files P7886 INI and P7886A INF are loaded Up to 4 P7886 modules can be used Specify the number of modules in the P7886 INI file with a line devices n You can also specify more than one module if you have only physical module The software runs then for the not physical modules in demo mode and it is possible to load spectra and compare them in MCDWIN The frequency of the PLL in units of Hz has to be defined in the P7886 INI file by a line like pllfreq 2e9 or pllfreq 1eg for a P7886S This is also a command of the control language Instead of the frequency also the divider can be set by a control command plidiv 400000 The PLL frequency for the PLL oscillator is calculated from the divider by a formula plifreq plidiv 5000 P7886S pildiv 2500 The file P7886A INF P7886B inf for more modules contains the default settings Instead of this INF file any other setup file can be used if its name without the appendix A INF is used as command line parameter e g P7886 TEST to load TESTA INF The server program is normally shown as an icon After double clicking the icon the upper left portion is opened to show the status window Using the Start menu item a measurement can be started In the status window every second the acquired events the counting rate and the time
42. ilt 35 00 deg Height 60 00 Z T Monochrome W Hidden histogram Cancel gt gt Map Figure 6 10 Isometric View dialog box In isometric mode several single spectra are drawn behind each other The Precession angle around the vertical axis can be chosen in multiples of 90 degrees The Tilt angle is between the x and y axis and can be chosen between 15 and 89 degrees The Height specifies the percentage of the z axis length respective to the whole drawing it can be entered between 0 and 99 With hidden it can be specified whether the hidden parts are not drawn If Monochrome is checked the spectra are painted monochrome otherwise in color Axis By the Axis menu item or the respective icon the Axis Parameters dialog box is opened Frame Anethe Style y Rectangular width E Grid Fr Grid Enable 1 Enable width 1 width 1 Style Dot i Style Dot Tick Tick Size f Width ro Size width f fyr T op fv Bottom i Left nunnununnununn Use Calibration Cancel Figure 6 11 Axis Parameter dialog box It provides many choices for the axis of a display The frame can be rectangular or L shape the frame thickness can be adjusted xWidth yWidth A grid for x and y can be enabled the style can be chosen between Solid Dash DashDot and DashDotDot Ticks on each of the four frame borders can be enabled the tick length and thickness can be chosen The styl
43. in 40 to 210 mA EEE NE ETTE ref multi I O port connector AETA EE recettes 1 0 kQ delati zes a E 22 Q Appendix 7 3 Appendix Input HIGH voltage at PIN ref Figure 3 10 E TE REN min 2 0 V Input LOW voltage ALBIN es max 1 2 V Output HIGH voltage at POUT loutnicn TOMA erernrrarernnrennnrevnnrnrnnrnrnnennnre min 2 4 V Output LOW voltage at r OUT ger 15MA ae max 0 45 V Output short circuit current Vout GND Ru Ryo OQ rrrernrarennnnennn 15 to 180 mA Vout 3 3 V Rpuiz Ryo OQ nennen 40 to 210 mA GO Line Ke 4 2422 a 1 oo te PCI board EE EN ue ref multi I O port connector Connector 2 pin header on PCI board LUMBERG 2 5 MSFW 2 MBX suitable socket connector LUMBERG 2 5 MBX 2 ERA K pke evnene open drain wired AND PUtReSISOS usa tu anne 100kQ to VCC NOU AGA VONAGE eee coer a SNe te min 2 0 V INDUCLOVVVONaAgGe aiscsarlsnchccoudcssanass a max 1 2 V Output LOW voltage Rue TOMA een max 0 8 V Extra Power Supply BC See PCI board SE EE a ne ee ee 3 5 floppy power supply 7 2 5 Physical PCI long board ISA assembly 5V Size Inel Tetalnen varsam 341 x 107 mm Weight PA UNE see 3209 7 3 Accessories SMA BNC adapter cables Multi I O port connector cable Extra power supply cable 6 Note input and output voltages are measured at the internal logic pads not at the external connectors Thus the corresponding pull and series resist
44. in describe the output mode of the Dig I O ports System Definition E3 A0 Line Watch M High at Start PiglO Output C Push Pul Open Drain Status Dig 0 p Invert M Value incr at Stop E Start with DiglO Input Digd Clear before Start Cancel Have Set Remote Figure 5 5 System Definition dialog box for a single P7886 card It is also possible to use the digital input 4 as an external trigger for starting the system more modules Dig inputs 4 7 start systems 1 4 DESY control line If the corresponding checkbox is marked a start command for the respective system will not immediately start the system After the start command the digital input will be permanently checked for its logical level If the level changes from high to low the data for the system is cleared and it will then be started It will stop if the level returns to high or vice versa if Invert is marked and can again be restarted with the next level change A stop command for the system will finish the digital input checking By checking Clear before Start the spectra is cleared before the start A stop command for the system will finish the digital input checking INFAST comtecGmbH 54 Windows Server Program The Use of the GO Line is controled via the 3 checkboxes Watch High at Start and Low at Stop The GO line gates directly the hardware Low at Stop means that the GO line is immediately pulled down when a sweep pr
45. indow arriving stop events only For experiments requiring repetitive sweeps the spectral data obtained from each sweep can be summed in the PC enabling extremely high sweep repetition rates A presettable 32 bit sweep counter enables for exact normalization calculations The logical combination of the FAST NIM and 2V discriminator inputs allows for fast gating of START and STOP signals An open drain GO line compatible to other products of FAST ComtTec allows for overall experiment synchronization Two software configurable SYNC outputs provide synchronization and triggering of external devices or experiment monitoring A versatile 8 bit digital I O port may further satisfy your experimental needs The P7886 is a fully digital design with state of the art components offering excellent performance and reliability The high performance hardware is matched by sophisticated software delivered with each P7886 MCDWIN the MS WINDOWS based operating software provides a powerful graphical user interface for setup data transfer and spectral data display Some of MCDWIN s features are high resolution graphics displays with zoom linear and logarithmic auto scaling grids ROIS Gaussian fit calibration using diverse formulas and FWHM calculations Macro generation using the powerful command language allows task oriented batch processing and self running experiments C Libraries are available for controlling functions from the use
46. ing time window is 1 us at 1 ms after the START TRIGGER signal In a time range of 1 ms the 100 MHz input rate would result in 100 000 STOP events which would cause data loss due to filled FIFOs When programming an acquisition offset of 1 ms and a 1 us measurement time window the resulting number of events per sweep is only 100 Thus no data loss at all will occur And even with highest speed sweep repetition rate an average data rate of only some 1000 sweeps sec x 100 events sweep 100 000 events sec has to be stored 4 7 Sweep Counter A presettable 32 bit sweep counter is incremented at every start of a sweep In fact the sweep counter counts the real start of a new sweep rather than the completion of sweeps When the preset is enabled and the preselected number of sweeps have occurred further start of a sweep is disabled The individual bits may be output and watched on the SYNC outputs ref Chapter B 4 They are particularly useful when some experiment should be periodically changed after a fixed number of sweeps INFAST ComTec GmbH 44 Windows Server Program 5 Windows Server Program The window of the P7886 server program is shown here It enables the full control of the P7886 card to perform measurements and save data This program has no own spectra display but it provides via a DLL dynamic link library access to all functions parameters and data The server can be completely controlled from the MCDWIN software t
47. ion 1 Introduction The P7886 PCI board is one of the fastest commercially available multiple event time digitizers It can be used as an ultra fast Multiscaler TOF system in Time of Flight Mass Spectrometry and time resolved Single Photon Counting The P7886 is capable of accepting one event stop pulse in every time bin Burst peak count rates of up to 2 GHz 1 GHz S versionf 0 5 GHz 500MHz Q E version can be handled with no deadtime between timebins proprietary input logic securely prevents double counting The dynamic range of up to 37 36 S 35 E bit enables sweeps for an incredible 68 7 seconds with a time resolution of 500 ps 1 ns S 2 ns E A crystal stabilized PLL oscillator assures a resolution of typically 400 ps FWHM at a full scale time range of 1 ms measured in the last time bin of 2 000 000 time bins 1 000 000 S 500 000 E and 30 minutes acquisition time An optional available oven stabilized oscillator further improves long term and temperature stability A two step FIFO memory concept enables for ultra high event rate capability Full 2 GHz 1 GHz S 500 MHz E bursts can be buffered for at least 4 us The first 255 deep multi event FIFO buffers incoming events at a maximum countrate of 2 GHz 1 GHz S 500 MHz E A second 16k deep FIFO is filled at over 18 MHz and buffers the subsequent data transfer over the PCI bus Data reduction is performed by recording interesting i e inside a preselected time w
48. ist i e create a new one delete change and activate an existing ROI Also the peak values e g energy mass etc for an automatic calibration can be entered here A ROI can be edited and added to the list It can also be made to the Active ROI that is the special ROI that is used by the server program to calculate the events within this ROI and look for an event preset The ROI list can be cleared and can be written to a file with extension CTL which can be directly loaded into the server to restore the ROI list Edit Regions of Interest of 7886 1 Edit Regions of Interest of 7886 1 Selected FOI Calibr Peak 7 Selected ADI Calibr Peak pm 4297 fo 23 I 09 73 fi 17 0 Min lt x lt Max Esmee yl lt y lt al lt x lt xe o Cancel 2216 2663 0 Clear All Clear All Add Delete _ Delete Make Active Active ROI Hin Mas jo 15384 Save as Gave as Figure 6 3 ROI Editing dialog box left Single spectra right 2D spectra The selected ROI can be changed by clicking on it in the ROI list In the MCDWIN spectrum display the total and net sum of the selected ROI is displayed Fit Al By selecting the Fit menu item or the respective icon A single Gaussian peak fit with linear background is performed for the currently marked region The fitted curve is displayed and a dialog box shows the results IMF AST ComTec GmbH 6 5 MCDWIN Software cowpeas B Fi
49. le Window EE Action Options single Gaussian Peak Fit Range 2392 X lt 2429 En 2392 c xc 2428 CT FWHM 9 312 0 19 channels 4 656 0 093 nzec L Poz 2406 870 0 076 channels 1203 435 0 038 nsec Area 6834 148 15 Iterations Ba 0 3 42 2 Sum 74968 ROlSum 14875 Metto 58557 Cursor 2407 1203 5 nsec AO 2393 2429 Counts gal Figure 6 4 Single Gaussian Peak Fit The full width at half maximum FWHM and Position of the Gaussian can be changed and a New Fit can be performed they even can be fixed to the entered value by marking the respective checkbox The Position and FWHM are displayed in channels and also in calibrated units if a calibration is available The area of the Gaussian is also shown For all values also the standard deviations are given The value of Q is the normalized chi 2 To take into account the systematic error of the lineshape you may multiply the errors with the squareroot of Q Click on Save to append a line containing the results to a Logfile with the specified name OK closes the dialog and the fitted function remains in the display also if the display is refreshed whereas after Cancel the curve no longer will be shown in a refreshed display Options opens a new dialog box to define the information in the logfile Logfile Options Print in each line Filename WF Fangefa lt x lt bl M Calibrated Position M Position channels M Calibrated FWHM M FWHM chan
50. lysis of an experiment start markers may be inserted into the list mode data stream This also enables to keep the full correlation of start and subsequent stop events So one always knows what stop events belong to a special start event IMF AT ComTec GmbH 4 1 Functional Description Extreme care should be taken not to fill up the fast 255 deep FIFO as this might lead to the loss of data integrity when a start event marker is missed due to a full FIFO The detection of a filled FIFO is possible via some register flags and the SYNC outputs 4 3 START Trigger Input Logic The presence of two inputs for triggering a sweep allows for easy very high speed gating of the measurement As can be seen from Figure 4 1 both of the inputs are first inverted through an input receiver discriminator circuit Thus a falling edge of the input signal is converted to a rising edge of the internal logic signal Then the signals are combined in a logical AND gate and fed into the rising edge sensitive clock input of a flip flop A start trigger of a sweep will occur when the flip flop sees this rising edge 3 3V DISCRIMINATOR INPUT DISCRIMINATOR THRESHOLD FAST NIM INPUT A 500 1 3V FAST NIM THRESHOLD Figure 4 1 START input logic schematic For gating the starts both inputs can be used A start of sweep will only be generated when the one input is LOW while a falling edge on the other input occurs If one input s
51. nels M Area counts Area countas W Normalized chi 2 Print Header Cancel Figure 6 5 Log file Options for the Single Gaussian Peak Fit The several quantities are written in standard text format with Tabs as separators and a Newline character at the end of each line so the file can be read with standard calculation programs like EXCEL Click on Print Header to write a header line IMF AST ComTec GmbH 6 6 MCDWIN Software Fit ROIs With the Fit ROIS item for all ROIs a Single Gaussian Peak Fit is performed and the results are dumped into the logfile Auto Calib Makes a Gauss fit for all ROIS in the active Display for which a peak value was entered and performs a calibration using the fit results 6 4 Options Menu The Options Menu contains commands for changing display properties like scale colors etc hardware settings calibration and comments Colors The Colors menu item or respective icon opens the Colors dialog box Colorz Colors E E BE E EEE E HEBEN E BENENE BERR EEE EERE EEE EERE EES EERE EEE Display iter Desktop Window Pr Set fe Display item color t Palette colors Color numbers Palette Map Fd ve 47 Save Saveds OK Figure 6 6 Colors dialog box It changes the palette or Display element color depending on which mode is chosen The current color and palette setup may be saved or a new one can be loaded IMF AST ComTec GmbH 6 7 MCDWIN So
52. nication Technology GmbH D 82041 Oberhaching Germany All rights reserved This manual contains proprietary information no part of it may be reproduced by any means without prior written permission of FAST ComTec Grunwalder Weg 28a D 82041 Oberhaching Germany Tel 49 89 66518050 FAX 49 89 66518040 The information in this manual describes the hardware and the software as accurately as possible but is subject to change without notice IMF AST ComTec GmbH Il Important Information on Hardware Compatibility Important Information on Hardware Compatibility The P7888 Series Multiscalers are PCI Local Bus compliant devices As such the board contains the configuration space register organization as defined by the PCI Local Bus Specification Among the functions of the configuration registers is the storage of unique identification values for our devices as well as storage of base address size requirements for correct operation specific to each of our products The host computer that our products are installed in is responsible for reading and writing to from the PCI configuration registers to enable proper operation This functionality is referred to as Plug and Play PnP As such the host computer PnP BIOS must be capable of automatically identifying a PCI compliant device determining the system resources required by the device and assigning the necessary resources to the device Failure of the host computer to execute any of the
53. nrrnnnrrrnnrrranrrnnnennnnnnnnnnanennnnennnnennnne TBD Differential non linearity iii lt 1 Start trigger delay FAST NIM inputs unse een lt 10ns Discriminator inputs rrarrrnrevannrnnrrrnnnnannrnnrnnnennnennnnnsen lt 10ns Deadtime o EE EEE EN lt 200 ns between time bins rrrrnnnnnnnnnnanrnnnnrnnnnnnnnnnnnnnnnnnrnnanennnnenne none 7 1 2 Timebase Reference oscillator Nominal frequency ccccceccceeeceeeeseeeeseeeeaeeesaeees 10 000 MHz Initial accuracy 25 C rereeronrerrnnrerrannennnnnennnnrnnnnnen lt 50 ppm Frequency stability in operating temperature range lt 100 ppm Oven stabilized option Nominal frequency rrrarrnranennnnenrnnennnnennnnennnnnnnsnnnne 10 000 MHz Adjustment tolerance rrrrrnranarnanernnnennnnnvnnnnvnnennnne lt 0 3 ppm Frequency stability in operating temperature range lt 0 03 ppm vs Supply voltage change 5 nn lt 4 0 10 VS PION COMING nn cn mn lt 2 0 10 s PE RE saeaseceeacesaceateasesess lt 1 5 10 day EEE 0 1 10 year EEE after 30 days of operation Warm Up UNE Luse eee lt 1 min synthesizer frequency NOMNAR de EE 2 GHz Tuning range ranrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 1 95 2 15 GHz 7 1 3 Data Throughput DMA data ratef Pentium III 533MHz PC133 oo 10 Mevents s AMD Athlon 600 MHZ PC100 10 Mevents s Pe
54. ntium III 450MH2 rrernnnonnnnnvvnnnrvrnnrrnvnnnrnnnnr 6 Mevents s AMD K6 200 MHZ erronnernnnnonnnnnnnnnnnnnnnnnnnnnennnnne 2 Mevents s 4 Full width at half maximum gt depends largely on the computer used IMF AST ComTec GmbH Appendix 7 1 Appendix 7 2 Specification 7 2 1 Absolute Maximum Ratings Input voltage any mul TO Po vurderes 0 5 to VCC 0 5 V any FAST NIM input sasise aaa 0 5 to 2 5 V any discriminator input 3 0 V relative to threshold guia isabel lin een 2 5 to 3 8 V absolute DC Input current any port any multi VO port 20 mA any FASI NIM INPUT una 100 mA any discriminator input u2 4u22400eneeennenenenene nennen 100 mA 7 2 2 Recommended Operating Conditions Supply voltage from PC power SUpply 5 V 12 V 12 V Femperaturerange vere ile I 0 to 50 C GOLMEIE prestekall min 1 KQ to VCC 0 RE id hernie min 2 k to GND 7 2 3 Power Requirements Supply voltage NGC eee 5 V 0 25 V E E SM 12 V 0 6 V OEE A E EE cue E E E S 12 V 0 6 V Supply current TV Ge typ 450 mA FV typ 1200 mA VZ Ve typ 65 mA 7 2 4 Connectors FAST NIM START Input EOC 0 on en eee mounting bracket CONMCCION 000 etree ee female SMA Med NNN 50 Q Threshold voltage default 0 4 V Lage 0 8 to 0 25 V EEE E E V OENE NEE E DEA EAS OU in steps of 0 5 mV 2 V START Input Pee NE NE NE mounting bracket
55. of cycles Each single measurement should be terminated by any of the preset conditions the complete run stops after performing the specified number of cycles If the checkbox Eventpreset is marked the measurement will be stopped after acquiring more events than specified in the corresponding edit field The events are counted only if they are within the ROI limits i e gt the lower limit and lt the upper limit It is not necessary that this ROI is within the spectra range Another possibility is to acquire data for a given time via the Time preset In the edit field Range the length of the spectrum can be entered A Bin width of 1 means the highest time resolution The Binwidth can be chosen in powers of 2 up to 16384 times the elementary dwell time If an Acq Delay is specified data are acquired in a sweep not before the specified time The Inputs button opens the Input Thresholds dialog box Here you can specify which one of the inputs you are using NIM or 2V for the START and STOP input and the threshold level at the falling edge of the input signal Check the corresponding checkbox of the used input For the NIM inputs the combo box provides a choice between standard Fast NIM 0 4 V and customized i e Voltage level set by hand between 0 8 0 25 V scroll bar or edit field For the 2V inputs there is a choice between Slow NIM 1 V ECL 1 2 V Fast NIM 0 4 V and customized 1 5 1 5V In principle it is possible to
56. ong roimax double eventpreset double timepreset long savedata long fmt long autoinc long cycles long sweepmode oO I AU TS TSV RT TT STN RS RC S O ER FE TE IT RR FE TR FR RRRS DNS a a long SYNeout Il O Hj Hj m PF Mo il Sag UN Ej long bitshift long digval long digio ST AS OA TN ER AR RT NR TR RR SSS SS RR RR DSG IMF AST ComTec GmbH 5 15 Windows Server Program long dacnim LOWORD DACO value NIM STOP HIWORD DAC1 value NIM START long daccomp LOWORD DAC2 value 2V STOP 2V START HIWORD DAC3 value sweep preset value number of regions bit 0 1 if calibration used higher bits formula first time channel 32 1 for module enabled in system 1 number of calibration points double swpreset long nregions long caluse double fstchan long active long calpoints ACQSETTING TTS PSS a a ne Er typedef struct unsigned long HUGE s0 pointer to spectrum unsigned long far region pointer to regions unsigned char far comment0 pointer to strings double far cnt pointer to counters HANDLE hs0 HANDLE hrg HANDLE hem HANDLE hct ACQDATA typedef struct int nDevices Number of spectra number of modules int nDisplays Number of active displays 0 nDevices int nSystems Number of systems 0 4 int bRemote 1 if server controlled by MCDWIN unsigned int sys System definition word 7 b bit0 0 bitl 0 MCD 0 in s
57. ors must be considered to get the external voltages 7 Only one output at a time Duration should not exceed 30 seconds IMF AST ComTec GmbH Appendix 7 4 Appendix 7 4 Troubleshooting e Error message P7886 A not found or FASTMPA device driver not installed at the first start of the software Maybe you did not install the device drivers Change to the subdirectory driver on your P7886 installation disk and run install bat to install the driver for the P7886 board IMF AST ComTec GmbH Appendix 7 5 Appendix 7 5 Personal Notes IMF AST ComTec GmbH Appendix 7 6
58. p preset Single sweeps M Sequential cycles 1 l Timepreset Fd PF Eventpreset fi 00000000 Birwvidth 1 Range 4036 o Acg Delay na u ADI fo 4036 Setup name Inputs p7886 DRK Cancel Gave Sett Load Set Figure 6 15 P7886 Settings dialog box IMF AST ComTec GmbH MCDWIN Software Data Be The Data dialog box allows to perform all the P7886 data operations ref the Server description Data Operations Module f Data C P78B6 DATA M bgo dat Save at Halt eue Lrer AL sed FETE Binary Pisf5 Smooth Erase Setup name prass Cancel Save Setting Load Setting Figure 6 16 Data Operations dialog box The System Definition dialog box allows to make all the respective P7886 settings See P7886 Server documentation System Definition F GO Line watch High at Start DiglO Output Push Pul amp Open Drain Status Dig 0 7 Invert M Value incr at Stop E Start with DiglO Input Digd Clear before Start Cancel Save Seth Hemote Figure 6 17 System Definition dialog box IMF AST ComTec GmbH 6 14 MCDWIN Software Tool Bar Selecting the Tool Bar Menu item opens the Tool Bar Dialog Box It allows to arrange the icons in the Tool Bar Tool Bar f Enable f Help over Toolbar Help over Statusbar Ta Commands Customized Toolbar m Separator A Add gt gt _ Separa
59. quest actual Status from Server VOID APIENTRY Erase int nSystem Erase spectra VOID APIENTRY SaveData int nDevice Saves data VOID APIENTRY GetBlock long FAR hist int start int end int step int nDisplay Get a block of spectrum data VOID APIENTRY StoreDefData ACODEF FAR Def int APIENTRY GetDefData ACODEF FAR Def Get System Definition VOID APIENTRY LoadData int nDisplay Loads data VOID APIENTRY AddData int nDisplay Adds data VOID APIENTRY SubData int nDisplay Subtracts data VOID APIENTRY Smooth int nDisplay Smooth data VOID APIENTRY NewData void Indicate new ROI or string Data VOID APIENTRY HardwareDlg int item Calls the Settings dialog box VOID APIENTRY UnregisterClient void Clears remote mode from MCDWIN VOID APIENTRY DestroyClient void Close MCDWIN UINT APIENTRY ClientExec HWND ServerWnd Execute the Client MCDWIN EXE int APIENTRY LVGetDat unsigned long HUGE datp int nDisplay Copies the spectrum to an array VOID APIENTRY RunCmd int nDisplay LPSTR Cmd Executes command int APIENTRY LVGetRoi unsigned long FAR roip int nDisplay Copies the ROI boundaries to an array int APIENTRY LVGetCnt double far cntp int nDisplay Copies Cnt numbers to an array int APIENTRY LVGetStr char far strp int nDisplay Copies strings to an array EXPORTS Functions in dp7886 c StoreSettingData 2 GetSettingData 3 StoreStatusData
60. r is on a toolbar icon it displays a short help message what the toolbar icon does Status window The same way it is possible to hide or show the status window at the left side of the MCDWIN main window Save Stores all parameters defined in the Options menu to the MCDWIN CNF config file Save As Stores all parameters defined in the Options menu to a user defined config file Retrieve Loads a new configuration 6 5 Action Menu The Action Menu or corresponding toolbar icons contain the commands to start stop continue and erase a measurement If more than one system is formed also more actions menus are available otherwise they are grayed or disabled Start hd The Start toolbar button erases the histogram data and starts a new measurement Halt m The Halt toolbar button stops a measurement Continue v The Continue toolbar button continues a measurement m x N D The Erase toolbar button clears the histogram data IMF AST ComTec GmbH 6 16 Appendix 7 Appendix 7 1 Performance Characteristics 7 1 1 General Resolution FWHMF at 1 ms 2 000 000 chs over 1 hour FASTANIM IMPULS 2 5 8 typ lt 400 ps Discriminator inputs rrrarernrerarernnevnnevnrennrrnnnenner typ lt 400 ps Oven stabilized option at 100 ms 200 000 000 chs over 24 hours FAST NIM inputs errrorornnrernnrrvnnrnrnnrrnanennanennnnennn typ lt 500 ps Discriminator inputs rrr
61. r s application program A DLL Dynamic Link Library is available for operation in a Laboratory Automation environment 1 S will further indicate the data for the 1 GHz P7886S 2 E will further indicate the data for the 500 MHz P7886E 3 Full width at half maximum IMF AT ComTec GmbH 1 1 Installation Procedure 2 Installation Procedure 2 1 Hard and Software Requirements The P7886 requires an IBM AT or compatible computer with an i486 Pentium or higher processor and an available PCI slot A Pentium Il or higher processor and at least 64MB of memory are recommended A Microsoft WINDOWS NT 4 0 or higher operating system must be installed 2 2 Hardware Installation Turn off the power to your computer system and remove the line cord Discharge your body from any static electricity by touching a grounded surface e g the metal surface of the power supply before performing any further hardware procedure FAST ComTec assumes no liability for any damage caused directly or indirectly by improper installation of any components by unqualified service personnel If you do not feel comfortable performing the installation consult a qualified technician WARNING Damage to the P7886 board the computer or injury to yourself may result if power is applied during installation Static electricity discharges can severely damage the P7886 Use strict antistatic procedures during the installation of the board Open the cover o
62. re Also a manual Stop command switches it off lastrun 5 Defines the file count for the last run in a measure cycle After a file with this count or greater was saved with autoinc on instead of the onstop command the onlast command is executed numruns 5 Defines the file count for the last run in a measure cycle The last count is the present one plus the numruns number After a file with this count was saved with autoinc on instead of the onstop command the onlast command is executed onlast command The command is executed after a stop caused by a preset reached or trigger instead of the onstop command when the last file count is reached with autoinc on This can be used to finish programmed measure cycles onlast off Switches off the onlast feature Also a manual Stop command switches it off pulse 100 Output a TTL pulse of 100 msec duration at dig 3 pin 11 waitpin 4000 Waits 4000 ms for going the level at dig 7 pin 13 going low After a timeout a Message box warns and waits for pressing OK Can be used for connecting a sample changer IMF ASST ComTec GmbH 5 9 Windows Server Program exec program Executes a Windows program or PIF file Example exec notepad test ctl opens the notepad editor and loads test ctl fitrois Makes a single peak Gaussian fit for all ROIS in the active Display of MCDWIN and dumps the result into a logfile This is performed by the MC
63. se operations will prohibit the use of the P7888 Series Multiscalers in such a host computer system It has been determined that systems that implement PnP BIOS and contain only fully compliant PnP boards and drivers operate properly However systems that do not have a PnP BIOS installed or contain hardware or software drivers which are not PnP compatible may not successfully execute PnP initialization This can render the P7888 Series inoperable It is beyond the ability of FAST ComTec s hardware or software to force a non PnP system to operate P7888 series Multiscalers IMF AST ComTec GmbH LI WARNINGS WARNINGS Damage to the P7886 board the computer or injury to yourself may result if power is applied during installation Static electricity discharges can severely damage the P7886 Use strict antistatic procedures during the installation of the board Take care to provide ample airflow around the P7886 board Before connecting any input signal on to the discriminator inputs take care not to exceed the maximum differential input voltage of 3 0V between the discriminator input and the corresponding threshold voltage ref chapter B 3 and 7 2 1 IMF AST ComTec GmbH IV Table of Contents Table of Contents IMF AST ComTec GmbH V Table of Contents IMF AST ComTec GmbH VI Table of Figures Table of Figures IMF AST ComTec GmbH VII Table of Figures IMF AST ComTec GmbH VIII Introduct
64. sly often not possible GO LINE CONNECTOR Figure 3 6 GO line connector The GO line is a system wide open drain wired AND signal that can start and stop a measurement This line is also available on the Multi I O port connector ref Figure 3 8 The GO line may be enabled disabled set and reset by the software INFAST comtecGmbH 34 Hardware Description INTEGRATED CIRCUIT LOGIC 5 V GO LINE Figure 3 7 GO line logic circuit schematic When watching of the GO line is enabled a low voltage will halt the measurement When output to the GO line is enabled starting a measurement will release high impedance output the GO line whereas a halt of the measurement will pull down the GO line to a low state Since it is an open drain output wired AND connection with other devices is possible 3 6 Multi I O Connector A very versatile 8 bit digital I O port is implemented on the 16 pin four walled header The supplied ribbon cable connects to a 15 pin female D SUB connector fixed on a mounting bracket Since the resistors are socket mounted ref they can be easily user configured in a most flexible way Pa Legend GO 1 amp 2 GND GO 1 9 GND DIGIO 0 2 DIGIO 0 7 Digital I O Port Bit 0 7 DIGIO 0 3 ee 4 DIGIO 1 10 DIGIO 1 ao a ree DIGIO2 5 e e 6 DIGIO 3 DIGIO2 3 11 DIGIO3 SYNC OUT2 Synchron Output 2 i N DIGIO 4 4 GND Ground MaA pes 9 SD BEER
65. tays above the corresponding threshold level starts are prohibited NOTE When gating use narrow pulses for the start signal to prevent the generation of false starts when the gate signal goes LOW No signal should be connected to an unused input When only one input is used as might be the regular case the software switches off the other input 4 4 STOP Input Logic As with the start input the presence of two inputs also for the generation of the stop events allows for easy very high speed gating of the acquired stop events As can be seen from Figure 4 2 both of the inputs are first inverted through an input receiver discriminator circuit Thus a falling edge of the input signal is converted to a rising edge of the internal logic signal Then the signals are combined in a logical AND gate and fed into the rising edge sensitive clock input of a flip flop A stop event will be detected when the flip flop sees this rising edge which corresponds to the falling edge at the input connector IMF AST ComTec GmbH 4 2 Functional Description 3 3V DISCRIMINATOR INPUT DISCRIMINATOR THRESHOLD FAST NIM INPUT A I 500 1 3V FAST NIM THRESHOLD Figure 4 2 STOP input logic schematic For gating the stop events both inputs can be used A stop event will only be detected when the one input is LOW while a falling edge on the other input occurs If one input stays above the corresponding threshold level any
66. ter Furthermore the bits of the sweep counter can be monitored at the Sync outputs by specifying SWEEP 0 SWEEP 31 The time counter is incremented after 32 basic dwell times 16 for the P 886S i e after about 1 nsec If Start event generation is checked a start event is inserted as a zero into the data stream and counted by the software The measurement can be stopped automatically after a specified number of sweeps by checking Starts preset or Sweep preset In the former case the start events are used in the latter case the hardware sweep counter If Single sweeps is checked after the specified number of sweeps the measurement is stopped the FIFOs read out and then immediately the acquisition continues The maximal possible event rate is lower in this mode but it is made as sure as possible that during a sweep no data are lost by a full FIFO If DMA Mode is checked the data are acquired using DMA PCI bus master mode otherwise by direct port control The maximum possible data transfer rate is higher in DMA mode but after a preset condition it takes some time to get out of the DMA read routine Therefore for Single sweep mode it is preferable not to use DMA mode to reduce the dead time A List file can be written by checking the corresponding checkbox Write List file If No Histogram is checked no histogramming is made A series of measurements can be acquired into separate memory parts by checking Sequential cycles and specifying the number
67. the MCDWIN program On startup the P7886 Server is iconized and one does not have to worry about it since all hardware settings are also accessible from the MCDWIN program which actually is the graphical user interface and which will appear now on your screen ref Figure 2 61 FAST comtecGmbH 24 Filename spec2 RealTime TotalSum 0 ROISum ROIRate 0 Sweeps 0 Starts 0 Acquisition OFF Installation Procedure Co helo Mies anes Retrieve Colors F6 F Fe FajFiolFinFi2 Scale Parameters Calibration Comments Data N System Function keys v Tool Bar Status Bar Status Window Open Save As Figure 2 6 P7886 MCDWIN startup window Now we first have to setup the P7886 Click on Options Range Preset to find the P7886 Settings window pop up Set the Range to 8000 4000 S 2000 E which corresponds to the desired 4 us time range Enable the sweep preset and type in the number of sweeps as 1 000 000 ref Figure 2 7 Then click on Inputs to select the desired input threshold levels P7886 Settings Ele PLLireg Ze 009 Module f Sync out KIM OFF Sync out TTL OFF M Soft Start W OMA Mode rap around Write Listfile Start event generation I No Histogram Starts preset M Sweep preset i 000000 Single sweeps i M Sequential cycles a Timepreset AO I Eventpreset f10
68. tor M a New line gt gt Changes lt Al Open New a Open New inserto El Tile Hemovet4 EA Tile Cascade E Remote lt E Cancel Funktion keys Figure 6 18 Tool Bar dialog box If it is enabled an array of icons in the MCDWIN Menu is shown Clicking the left mouse button with the cursor positioned on an icon the user can perform a corresponding MCDWIN Menu command very quick It is also possible to include icons for free programmable function keys F1 F12 into the Toolbar The function keys can be programmed in the Function keys dialog It can be accessed either by clicking the Function keys button or directly from the options menu Programmable Commands F mi eese F2 OOOO Fa eltern OOOO Fa plheg 269 p fun pe ente pp fun pe enee pa ente F10 en Pien fitch ma Pr Cancel Figure 6 19 Function keys dialog box IMF AST ComTec GmbH 6 15 MCDWIN Software The functions can be executed by clicking the corresponding icon in the toolbar or by the corresponding function key on the keyboard simultaneously with the CTRL key The MCDWIN window must be the active on the desktop and have the focus Status bar With this menu item the Status bar at the bottom of the MCDWIN main window can be switched on or off A corresponding checkmark shows if it is active or not The Status bar usually shows if an acquisition is running When the left mouse button is held down while the mouse curso
69. vents within ROI acquired ROI events per second ROI sum with background subtracted Number of sweeps Start Events Maximum value in spectrum SA AA OS AS TEARS NG MT PE OS typedef struct unsigned long range long prena spectrum length bit 0 realtime preset enabled bit 1 single sweeps enabled bit 2 sweep preset enabled bit 3 ROI preset enabled bit 4 Starts preset enabled number of single sweeps for single sweeps mode lower ROI limit upper limit roimin lt channel lt roimax ROI preset value time preset value bit 0 1 if auto save after stop bit 1 write listfile bit 2 listfile only no histogram format type 0 ASCII 1 binary 1 if auto increment filename for sequential mode sweepmode amp OXF 0 normal 4 sequential bit 4 Softw Start bit DMA mode bit Wrap around bit Start event generation bit DACO ON bit DAC1 ON bit 10 DAC2 ON bit 11 DAC3 ON sync out bit 0 5 NIM syncout pre 62 TIN Syncoue RST 2 LAST 3 FIFO1 FULL 4 FIFO2 FULL 31 COUNT 26 EP 0 SWEEP 31 Binwidth 2 bitshift digval 0 255 value for samplechanger Use of Dig 1 0 GO Line bit 0 status dig 0 43 bit 1 Output digval and increment digval after stop bit 2 Invert polarity bit 3 Push Pull output bit 4 7 Input pins 4 7 Trigger System 1 4 bit 8 GOWATCH bit 9 GO High at Start bit 10 GO Low at Stop bit 11 Clear before ext triggered Start long ssweeps unsigned long roimin unsigned l
70. ystem 1 b bit0 1 bitl 0 MCD 0 in system 2 bit0 0 bitl 1 MCD 0 in system 3 bit0 1 bitl 1 MCD 0 in system 4 bit2 0 bit3 0 MCD 1 in system 1 bit6 1 bit7 1 MCD 3 in system 4 ACQDEF FUNCTION PROTOTYPES do not change BOOL APIENTRY DllMain HANDLE hInst DWORD ul reason being called LPVOID lpReserved VOID APIENTRY StoreSettingData ACOSETTING FAR Setting int nDisplay Stores Settings into the DLL int APIENTRY GetSettingData ACQSETTING FAR Setting int nDisplay Get Settings stored in the DLL Store System Definition into DLL VOID APIENTRY StoreStatusData ACQSTATUS FAR Status int nDisplay Store the Status into the DLL int APIENTRY GetStatusData ACOSTATUS FAR Status int nDisplay Get the Status VOID APIENTRY Start int nSystem IJ Start VOID APIENTRY Halt int nSystem Halt VOID APIENTRY Continue int nSystem Continue VOID APIENTRY NewSetting int nDevice Indicate new Settings to Server UINT APIENTRY ServExec HWND ClientWnd Execute the Server P7886 EXE VOID APIENTRY StoreData ACODATA FAR Data int nDisplay Stores Data pointers into the DLL int APIENTRY GetData ACQDATA FAR Data int nDisplay Get Data pointers long APIENTRY GetSpec long i int nDisplay Get a spectrum value VOID APIENTRY SaveSetting void Save Settings IMF AST ComTec GmbH 5 16 Windows Server Program int APIENTRY GetStatus int nDevice Re

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