TetrAMM Oscilloscope - Quick Start Guide
Contents
1. PIET Fie tdt Opeste Took Wow Heip Instrument TCF tonniguratisa etrAMM Oscilloscope H Cerrent grapn Comguntion Venisn LLO All Rights Reserved CAEN ELS d o o Rev 1 0 February 2015 TetrAMM Oscilloscope Quick Start Guide Table of Contents 1 2 4 5 gl We EC BO Ged i Reena etree ater meee ne nea eee re ee aera neers et nny ee ener 5 OSCILLOSCOPE OVER VIEW ccccccccccscccccccccccccccccccccccccccccccccccccccsccccs 6 2 1 CONNECTING TO THE TETRAMM ccccceccececcececcsceccccecscecsescecescececeececes 7 22 ACOUITTION OPTION aerea E 8 2 3 HIGH VOLTAGE MODULE OPTIONS sccsceccsceccsceccccecscecscecesescecescecceececes 9 2 4 STATISTICS FRAME eset pattie baceseeetalcsdusaneusussecessisdecasacshatewuscaceteuts 10 2 INTERLOCK CONTROL effin cccscsccscsccscsccscsccscscaccsceccscscescecanceces 11 2 6 MEASUREMENT STORAGE FRAME 2csstvecscsceccsceccececcsceccscecscscecescesescucesees 12 2 6 1 Example of Sc gai tse ooo eeeeeeeessssseeeeeeeeneeees 13 2 6 2 Example ofa n 13 2 4 OSCILLOSCOPE CONFIGURATION FRAME cccescecescecescetectsceccscecesceceseececes 14 BPM CONFIGURATION casera cee e aoe eee ings cecccscesces 15 3 1 BEAM POSITION COMPUTATION see ee eed 17 A 0 i A IS C0 TT IS Meee Y ANALYSIS FFT aaassssssessssssssseecseccssecossecosceoooo M 19 CONFIGURATION E E OLEA Rta e eecececo coco eo ELERA see 20 TetrAMM2. 2 iey 2015 me 2 42 11 PM T an 4 408513E 13 st dev Zs an 4 279575E 13 st dev 3 an 5 176757E 13 st dev 4 an 5 963117E 14 st dev or 2a 1 1 2934769m 12 2249025 12 B61195H 12 936945E 12 noise 7 337552772 noise 5 198885E 2 noise 3 595291E 2 noise 3 248210E 3 TetrAMM Oscilloscope Quick Start Guide 2 7 Oscilloscope Configuration Frame The TetrAMM oscilloscope offers a possibility to store the actual Oscilloscope configuration that can be recalled at a later time The saved parameters settings are e Connection settings e Picoammeter configuration e Acquisition configuration e BPM configuration and scaling parameters The frame which enables saving and loading settings paramters is shown in Figure 11 Oscilloscope contig Figure 11 Oscilloscope configuration frame The Save button opens a file selection pop up which enables the user to select the file in which to save the current Oscilloscope configuration The Load button enables user to load some previously saved configuration The Set Default button enables user to save the current settings as a default settings which are loaded at the start up Since the default settings file is saved in Program Files folder the Oscilloscope should be started with Run as administrator command in order to perform this task TetrAMM Oscilloscope Quick Start Guide 3 BPM Configuration The TetrAMM Oscilloscope
3. The Configuration tab is dedicated to a more advanced configuration of TetrAMM device This tab is shown on Figure 16 This configuration allows user to select between two different acquisition modes the fast acquisition at 100 kHz and the slow acquisition with data averaging The period on which averaging is performed can also be changed Each TetrAMM input channel has user configurable gain and offset These parameters can be used to perform an additional and application specific calibration The TetrAMM Oscilloscope allows user to enable or disable parameters of this calibration these parameters can be read from the device written to the device and offsets can be also measured directly from the input signals rae Samping period DA Gains amp Offsets CH1 gain A A CH1 offset A 1E 0 3 05402577E 10 CH2 gain A A CH2 offset A 1E 0 1 91078633E 10 CH3 gain A A CH3 offset A 1E 0 1 87185705E 10 CH4 gain A A CH4 offset A 1E 0 1 31559223E 10 Load gains amp offsets Save gains amp offsets User correction 3 gt Figure 16 Configuration tab The Averaging button selects between two acquisition modes that the TetrAMM is supporting When it is disabled TetrAMM uses its internal buffer to store data at the maximum sampling rate The acquisition window in this case is limited to 4 seconds see FASTNAQ Command in the TetrAMM User s Manual for detailed description When the Aver
4. External interlock The external interlock can be enabled or disabled by pressing the Enable ext interlock button When the external interlock gets activated it can be cleared by clicking on Reset interlock button The HV module can be re enabled only after interlock has been cleared Interlocks HV Overcurrent Over temperature External interlock Figure 8 Interlock control frame 1 TetrAMM Oscilloscope Quick Start Guide 2 6 Measurement Storage Frame The TetrAMM Oscilloscope includes the functionality to store measured data points or the statistics of the measured data On Figure 9 the frame which controls the storage sub program is shown Save measurements Figure 9 Measurement storage frame To store the measured data the user should select the desired format either data points or statistics The sequence performed after pressing the Save button is Shown on Figure 10 First a pop up asking for the file destination will show up Then the current data the ones shown on graphs will be saved Lastly a graphs will be refreshed with new data Acquistion User presses Save button File pop up Show next data Save current data Figure 10 Data storage steps The Save amp Append procedure performs similar operation Once it is pressed it latches in enabled position and continues to store data until it is pressed again The u
5. highest measuring range in order to protect the analog front end from unwanted large currents User can change this setting by selecting the desired or appropriate range from the drop down menu see the TetrAMM User s Manual for a full description of auto ranging functionality The acquisition window determines the length of the captured buffer which is shown on the graphs and on which the statistics are calculated When the averaging is disabled see Chapter S n page 20 this value is limited to maximum of 4 s Options Acqusition window s Figure 4 TetrAMM acquisition options TetrAMM Oscilloscope Quick Start Guide 2 3 High Voltage Module Options Configuration parameters for the High Voltage module are shown on Figure 5 The user can enable and disable the HV module and set the desired voltage The voltage and current read back values are also shown The HV Status LED indicates if the module is turned on or not At start up the TetrAMM device disables the High Voltage module output for safety reasons The voltage setpoint value is limited by the HV module model installed in TetrAMM different voltage ratings High voltage module Voltage Voltage Current HV ON OFF setpoint V monitor V monitor u HV status To E E e Figure 5 TetrAMM High Voltage module options TetrAMM Oscilloscope Quick Start Guide 2 4 Statistics frame On Figure 6 and Figure 7 the statistics computed for data on each channe
6. perform calculations of the beam position the input currents to picoammeter should be associated to appropriate blades photodiodes or electrodes This association can be done in the frame with four drop down menus shown on Figure 13 la in equations lb in equations lb iNvequations Ic in equations Figure 13 BPM channel selector The situation when one input channel is assigned to two blades is shown on Error Reference source not found and it causes an invalid configuration the Detector configuration invalid LED 1s lit up in red BPM type A select 90 cH aj One channel set to the two positions PEE pisania C select 90 CH2 Detector configuration invalid Figure 14 Wrong BPM configuration 17 TetrAMM Oscilloscope Quick Start Guide 3 1 1 90 BPM Geometry When the BPM type is set to BPM 90 the beam is calculated using the following formulas Ip Ip X Ky of fsety Ig Ip I 1 2A of fsety l4 Ic Y Ky lo I4 Ig Ic p where I4 Ig Ic and Ip are the current measured on channel A B C and D respectively 3 1 2 45 BPM Geometry When the BPM type is set to BPM 45 the beam is calculated using the following formulas Ip Fle L Ip X Ky offset AES ENA Tai l p Ic Ip Y Ky offset anny ree ey eee ee Do lo l4 Ig Ic p where I4 Ig Ic and p are the current measured on cha
7. Oscilloscope Quick Start Guide Table of Figures Figure 1 TetrAMM Oscilloscope main Window cccccccccccccccccecceeeeeeessseseeeeeeeeeeeeeeees 6 Figure 2 Communication configuration frame cceeecccccccccccceceeeaeeeeesseeeeeeeeeeeeeeeeees 7 Figure 3 Pop up window for failed CONNECTION 2 0 0 0 eeeeccccccccccceceeeeeeeeeeseseeeeeeeeeeeeeeees 7 Figure 4 Tetr AMM acquisition options ssssseseeseeeccccecccceeeeeaaaeeeeseseseeeeeeeeeeeeees 8 Figure 5 TetrAMM High Voltage module Options ccccsnnseseeeeseeeeeeeeeeeeeeeeees 9 Figure 6 Statistics for BPM calculation cccccsecceeccceccceceeeeaeeeeeeeseeeeeeeeeceeeeeees 10 ICUS 7A SECS TOF CU C INNS esn g e ene rase Eere oae 10 Figure 8 Interlock control frame cgi ssssssssssssssessccccccccccccseceeesssssssssesseceeeeees 11 Figure 9 Measurement storage frapa eree 12 Figure 10 Data storage steps me cccccccssssssssssssssssssesceseeees 12 Figure 11 Oscilloscope Configuration frame ccccccedbececccceeeeeesesesesseeeeeeeeeeeeees 14 Figure 12 BPM taba ceecccceeee 15 Figure 13 BP gigi ise ete 17 Figure 14 nonme bestest Tec OTO 17 Figures EF Len on ear ne ne ee ea ee 19 ee ETT A 20 TetrAMM Oscilloscope Quick Start Guide February 20 2015 TetrAMM Oscilloscope Quick Start Guide 1 Introduction This Quick Start guide describes the basic functionality of the TetrAMM oscilloscope software T
8. aging button is enabled TetrAMM performs the averaging of input samples for the given period of time therefore reducing input noise 9 TetrAMM Oscilloscope Quick Start Guide The Gains amp Offset tab selector allows user to see all parameters stored in TetrAMM there is a total of 16 parameters At start up the TetrAMM Oscilloscope reads these values directly from the TetrAMM device these are used to perform the calculations on TetrAMM current values Load gains amp offsets button allows reading the parameters stored on TetrAMM the gain and offsets fields gets updated with values currently stored on TetrAMM Save gains amp offsets button allows writing the parameters from gains and offsets fields to TetrAMM the new values take effect immediately Measure offsets button performs a l second long measurement of input currents in order to update the offset fields measured meanvalues of the input currents i e the measured value changed by sign These values are only stored locally on the TetrAMM Oscilloscope software and do not affect the calculations In order to update the values on the device the user should press Save gains amp offsets button User correction button enables or disables the use of user defined parameters in calculations When the user correction 1s disabled the currents are calculated as I READ I raw When the user correction is enabled the currents are calculated as Irgap Cainyp lr
9. aw Of fsetyp where rgan 1s the user calibrated current read from the single channel A Gainyp 1s the user defined gain factor A A Ll aw 18 the raw current read of the device A OffSetyp is the user defined offset value A 21
10. embeds a dedicated tab for quadrature phBPM application The TetrAMM Oscilloscope can perform computations of the beam position as the difference over sum for configured channels an intensity IO is calculated as a sum of all four input currents The user can set the BPM detector orientation either 90 or 45 and also the scaling factors for a specific installed detector topology Scaling parameters Xscaling um 1 Y scaling um 1 X offset um Y offset um Detector configuration invalid X Figure 12 BPM tab By pressing the Enable scaling button the user can select between normalized beam position from 1 to 1 and scaled position in um When Enable scaling is selected the Scaling parameters box is shown and it contains the parameters used to calculate the beam position see following chapter for equations on how the beam position is calculated The BPM type tab enables user to select the appropriate BPM geometry by selecting the desired sub tab 3B TetrAMM Oscilloscope Quick Start Guide The four selectors enable user to virtually connect input channels to particular geometric positions of the detecting system The Detector configuration invalid LED signals a _ non correct configuration e g if the same input channel is indicated on two or more different electrodes TetrAMM Oscilloscope Quick Start Guide 3 1 Beam Position Computation In order to
11. er software available at www caenels com Once the correct values are entered into the Address and Port fields by pressing the Connect button makes Oscilloscope to establish connection with the device and it will start the acquisition _loop During the acquisition loop the Oscilloscope reads the device and the HV module status updates configuration if needed captures data from the picoammeter and shows it on a graph It continues performing this loop until the Stop button is pressed In the case that the TetrAMM device does not respond because the address or port is not correctly set or the device is for example turned off the window on Figure 3 will pop up Error 56 occurred at TCP Open Connection in CAENels TetrAMM hMwlib Initialize wi gt CAENels TetrAMM Oscilloscope v1 1 0 Possible reason s LabVIEW The network operation exceeded the user specified or system time limit Figure 3 Pop up window for failed connection In this case we suggest e Check if the TetrAMM is powered on e Check if the Ethernet cable is connected verify that the Link LED on the RJ45 connector is turned on e Check IP and TCP settings using CAENels Device Manager 2 TetrAMM Oscilloscope Quick Start Guide 2 2 Acquisition Options On Figure 4 the configuration for acquisition are shown User can select input range number of channels and the size of acquisition window At start up the TetrAMM sets all channels to the
12. he main purpose of this document is to introduce users to user interface presenting the steps needed to operate the TetrAMM device and to explain some more advanced features The users are strongly encoura the TetrAMM User s Manual since it explains some features of devic TetrAMM Oscilloscope Quick Start Guide 2 Oscilloscope Overview The Figure 1 marks different configuration modules The following chapter explains each one of the sections in detailed way Acquisition configuration page 8 Interlock control page 11 Communication configuration page 7 Graph tab selector Mo oo Moe a n n In 0p Top Gp Sp 400p Rp 0p 100p 9 100p X0p 300p A0p 0p Np Tp 0p 200p o 04 ois 02 025 03 035 Of OAS os O55 os O04 o7 O75 os O85 09 08 1 Time s Figure 1 TefrAMM Oscilloscope main window Graph controls Statistics frame page 10 Measurement storage frame page 12 High Voltage controls page 9 TetrAMM Oscilloscope Quick Start Guide 2 1 Connecting to the TetrAMM On Figure 2 communication configuration frame is shown Instrument TCP configuration Address Port 192 168 0 10 10001 a Connect Figure 2 Communication configuration frame The first step before connecting to the TetrAMM is to set the IP address and TCP port The default factory values for TetrAMM are 192 168 0 10 and 10001 The IP and TCP settings can be changed using the CAENels Device Manag
13. l are shown BPM Statictics Current Statictics X mean um Y mean um 10 mean A CH1 mean A CH2 mean A CH3 mean A CH4 mean A Eck Em Co com Go oe X st dev um Y st dev um 10 st dev A CH1 st dev A CH2 st dev A CH3 st dev A CH4 st dev A X noise Y noise 10 noise CH1 noise CH2 noise CH3 noise CH4 noise Fase C Figure 6 Statistics for Figure 7 Statistics for currents BPM calculation The Statistics frame exists in two different variations depending on the Graph tab selection When the Graph tab is set to BPM the statistics are calculated on horizontal X and vertical Y position and on the beam intensity I0 The Scaling parameters see Chapter 3 on page 15 are also taken into account in the computation When the Graph tab is set to Current Graph the statistics are computed on the measured currents on each of the four channels The noise value is calculated as the ratio of standard deviation o to mean u of a signal O NSR m 100 O O0 7 TetrAMM Oscilloscope Quick Start Guide 2 5 Interlock Control The interlock control frame is shown on Figure 8 in a situation where the external interlock connector at the back of the TetrAMM is enabled and the interlock signal is activated The TetrAMM has three 3 sources of interlock which can turn off the High Voltage module e Over current on the High Voltage module e Over temperature in TetrAMM box e
14. nnel A B C and D respectively 18 TetrAMM Oscilloscope Quick Start Guide 4 Frequency Analysis FFT The TetrAMM Oscilloscope supports calculation of the frequency spectra on input data The Fast Fourier Transform FFT algorithm can be performed either on input currents or on configured and calculated beam position or beam intensity The scaling factors are also taken into account into these computations The Figure 15 shows an example of FFT calculation with the TetrAMM Oscilloscope on vertical position Y BPM FFT Current graph Configuration Version 1 1 2 Selector X scale Y scale Frequency Hz Figure 15 FFT tab The user can select the signal on which the calculation should be performed by the drop down menu Selector Available choices are Chl Ch2 Ch3 Ch4 X position Y position and IO Intensity The X and Y axis can be set to be either in linear scale or in logarithmic scale using X scale and Y scale drop down menus In some cases the DC component 1 e FFT amplitude at frequency 0 is not required the user can suppress the DC component by enabling Remove DC button Because of finite length of the signal on which the FFT 1s calculated there are some artifacts which may happen in the frequency space e g spectral leakage User can chose different windowing functions from Window drop down menu to obtain the desired result OL TetrAMM Oscilloscope Quick Start Guide 5 Configuration
15. ser is asked to define or locate the file name for the first time while all following measurements are appended to the same file Or TetrAMM Oscilloscope Quick Start Guide 2 6 1 Example of Saved Data Points LabVIEW Measurement Writer Version 2 Reader Version 2 Separator Tab Decimal Separator Multi Headings No X Columns One Time Pref Relative Operator Jan Date 2015 02 18 Time 14 41 27 7471370697021484375 End of Header Channels 4 Samples 10000 10000 10000 10000 Date 2015 02 18 2015 02 18 2015 02 18 Zaye 18 Time 14 41 27 7471370697021484375 14 41 27 7471370697021484375 14 41 27 7471370697021484375 X Dimension Time Time Time Las ALs 27 7471370697021484 375 Time XO 0 0000 ga OE O 0000000000000000E 0 0 00000000000000008 0 0 0000000000000000E 0 Delta X 07000100 0 000100 0 000100 0 000100 En Gt teers X Value CH1 Giz CHG CH4 Comment 0 000000 3 00904 7T A 3 902240E 12 3 094912E 12 SSR TS 739m 13 0 000100 4 796508E 12 3 303214E 12 2 102495E 12 4 95 0 000200 eee 9 6E 12 3 559514E 12 8 910301E 13 8 615300E 13 0 000300 3 051582E 12 2 246721E 12 1 746475E 12 7 795736E 13 0 000400 2 695444E 12 zzo E T2 eee 1 871829 0 000500 4 045489E 12 Il 623053E 12 ia bso ln 12 1 84053 6h Be 0 000600 5 611601E 12 3 5910 oo IE 2 o 54 5059m 12 4 234359E713 0 000700 SR 30810E 12 3 1884 9E 12 1 199484E 12 1 037364E712 2 6 2 Example of Saved Statistics TetrAMM measurement statistics Da Ti 13 te
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