Jacques Rypko - UCL HEP Group
Contents
1. There are 8 insulators distribution crates one for each geiger VME cage There is one insulator distribution mother card for each VME geiger card 160 There are 20 insulator distributor mother cards per insulator crate like geiger cages There are 15 daugthers card per insulator mother card total 15 x 160 2400 daughter cards There are 18 different HV possibilities values because of the 18 layers of cells The goal of the insulator distribution is a to put the anodes of the detector cells to HV and the cathodes to some hundreds of volts a to insulate from the HV the anodic and cathodic detector signals and to transmit them to the geiger acquisition Like the VME geiger cages there are two insulators crate per cabinet bay 160 mother cards one insulator card for each VME geiger card each insulator card insulates 40 cells 40 anodes 40 high cathodes 40 low cathodes Each daughter card insulates 8 signals anodes or cathodes The 15 daughter cards of an insulator mother card are H 5 daughter cards anodes H 5 daughter cards low cathodes H 5 daughter cards high cathodes b slow control and interlocks goto slow control chapter see board060 interlocks and secutities cages see board014 interlocks and 4 cabinets bays the goal of this control is to survey relatively slowly all the voltages currents temperatures etc viaLabview software and to warn the operator2. Labview can display one view per geiger cage H All leds have to be green if not there is a default H The save box makes that it is possible to record the temperature and the monitoring current of the alimentations see boad048 Labview geiger bay number 20 see boad049 Labview geiger bay number 30 see board052 Labview geiger bay number 10 see board053 Labview geiger bay number 10 with defaults Labview can display a general view of all processes geiger cages PM cages HV etc see board050 Labview general view of the processes with defaults see board051 Labview general view of the processes without defaults 08 GEIGER LAL BENCH MAINTENANCE 08 Ol general notes 2 amp 29 The LAL datas acquisition tests and maintenance is assured by software thanks to OS9 and a C MicroWare compilator see boad100 OSI read me by hardware thanks to see boad035 picture 3 see board036 picture 4 1 branch with insulator distribution mother card with 15 aughter cards 1 1 to 8 VME geiger cage type 1 21 slots 1 VMV VIC8250 CES controller in slot 21 1 VME geiger card in slot 2 1 trigger80 card in slot 12 1 gene40 card in slot 8 1 d The A Kh and Kb signals can come from 3 possibilities see board019 LAL bench 08 02 from a 9 or 20 cells experimental LAL physicists manufactured chambers About one y
3. calibrations experiments analogical threshold of the comparator comes from a 8 bits 256 resolution steps DAC digital to analogical converter located in the numerical asic The digital TTL output of the analogical comparator sends a signal to the asic digital counters to start or to stop the the The counters inputs of the analogical asic can come from 3 places in normal mode from the detector cells via an external insulator distribution through an internal sme surface mounting component protection capacitor welded on the geiger card in dynamic gene40 tests mode from the gene40 card go to see sgene40 card in static tests mode named external analogical tests from the digital asic in this case the A Kh and Kb Signals are known and calibrated thus they can be easily compared H the digital asic generates one analogical A signal one analogical K signal identical for Kh and Kb note these analogical signals are digital signals from the numerical asic shunted and filtered in fact the K signal is doubled and separated from a few seconds only the first signal is taken into account H the level of these tests signals generated by the digital asic are voluntarily low because of crosstalk thus it is necessary to respect a threshold gap in tests mode see board023 calibration threshold H the A and K tests values are stored in a HD hard disk file this file can be modi
4. ADAM 5000 support a 2x 5017 8 analogical 0 to 5v differential inputs see board059 ADAM 5017 analogical inputs dispatching all analogical inputs are shunted with a 0 1uf b 1 x 5051 16 digital TTL inputs C 1x 5056 16 digital TTL outputs See board079 ADAM digital I O dispatching 07 02 03 fans crates each geiger cage has its separated fans crate 3 fans to cool only the 21 VME geiger cards manufactured by VERO Silencious with internal monitoring and interlocks H a thermo probe makes it possible to control the speed of the fans according to the temperature however the probe is inhibited and the fans always turn at maximum speed H the internal interlocks was LAL modified to make these internal interlocks external too and thus to be able to inform the slow control Here is this LAL modification see board064 fans interlocks LAL modifications These fans interlocks stop the 220v AC power of the geiger cage if there is a default even if only one fan fails there are 3 fans and a buzzer alarm warns the local operator 07 02 04 link geiger cages to slow control crates see board061 interlocks interconnexions The slow control typel with measuring station ADAM crate H sends digital commands signals start stop 220v AC directly to geiger cage of typel HIGH 46 HITS undirectly via the slow control cage typel to geiger cage of type2 LOW 44 HITS H receives analogical voltage
5. asic application specific integrated circuit see board010 synoptical scheme of digital and analogical asic The asics always go by couple one analogical asic with its digital asic One pair of ASIC contain 4 whole electronic cells acquisition 4 anodes 4 high cathodes 4 low cathodes There are 10 couples of asics per geiger card total 160 x 10 1600 couples of asics The asics are welded like all the others integrated circuits directly on the geiger card 03 01 Analogical asics designed by LAL manufacturing by CMP in AMS 1 2um CMOS technology and package in PLCC44 see board 039 asics package LAL sorting and debuging with a special designed LAL bench not here discribed without burning see board010 synoptical scheme asic One quarter of an analogical asic is made of e 3 analogical current to tension amplifiers e 3 analogical tension comparators analogical current to voltage amplifier note an input current of 100uA gives 1 7V at the preamplifier output The with Zin 250O0 and Iin 100pA there is Vin 25mv thus G 1700 25 68 here is the empirical calibration graph see board022 calibration method See boad023 calibration threshold see board024 signals note the threshold calibration is fixed definitively by hardware on the geiger card here is an example of different experiments before to choose the best and final calibration see boad027
6. O8 02 02 static tests of one geiger card The geiger card receives 21600 tests vectors 3C 31 read write counters read write threshold registers internal signals injections external signals injections raz etc With each time a reading followed by a comparison with a standard value The trigger80 card only generates a stop A signal notes H The true hardware inputs are not tested because nothing is injected to them H The static tests are the tests which are also applied with the LSM geiger cards but without stop A signal to test them see board 129 OSI nemo3 see board161 OSI secondary menu 2 secondary sub menu O8 02 03 dynamic tests of one geiger card In this case the 40 geiger electronic acquisition inputs of one geiger card can receive simultaneouly 120 signals H 40 anodic signals H 40 high cathodic signals H 40 low cathodic signals These 120 signals are generated by a gene40 VME LAL designed card These simultaneous 120 signals form one dynamic run and there are successively 90 dynamic runs Obviously a dynamic test with the gene40 cannot be applied to LSM cards The dynamic test can only be applied in LAL to only one card one by one The 90 dynamic runs are stored in a memory and then compared with standard values see boad129 OSI nemo3 see board162 OSI secondary menu 3 F secondary submenu gt Here are the standard va
7. 13 f The cells analogical signals arrive from g h i J k HK the insulator distribution thanks to coaxial cables via 3 double connectors 3M 3x2x20 120 signals total 240 inputs because each one has a ground 40 anodic coaxial signals 40 high cathodic coaxial signals 40 low cathodic coaxial signals Here are the signals distribution on a geiger card see board 040 geiger card signals inputs a the detector thanks to a lot of coaxial cables too see board 014 4 cabinets bays see board 076 frame detector and cables coaxial cable insulator to geiger card characterisics Z 500 C 100pf m L1 lm L2 1 5m there are 2 lengths of cables b 2mm The number of the VME geiger card signals inputs is different according to the VME slot number but the number of coaxial cables is always 120 goto see the sector cells distribution On the geiger card there is a preliminary status register it is a l0bits hexadecimal register one bit per digital asic Each bit indicates if there is an asic with a struck cell example asic nb 98 7654 3210 11 1111 1 1 1 1 gt 3FF 10 1011 1 1 1 1 gt 2BF 3FF none of the 10 asics is struck it is not necessary to read a counter in this card 2BF the asics 8 and 6 are struck its necessary to read this card and only the counters of the asic number 8 and 6 there are a lot of possibilities to reset raz the digital asics coun
8. Y Z 4096 A counter it is a true accept 2 ticks the crosstalk H between the 4 cells of an analogical asic the tests show there is a crosstalk but it is eliminated with a threshold of 9mv see board 032 crosstalk inter cells of an asic H between inter analogical asics of one geiger card there is no crosstalk thanks to the work of meticulous person who positioned wire after wire to correct the automatic wire positionning of the CAO H between inter geiger cards there is no crosstalk detected 03 02 Digital asics Designed by LAL and manufactured by ES2 1 0um CMOS in PLCC 68 package see board039 asics package ES2 sorting and debuging without burning with LAL verifications see board010 synoptical scheme asic see board009 asic digital to asic analogical link One quarter of a digital asic is made of 2 nearly identical parts each one made of a digital bloc coherence which shows by means of a status register if the counters have been started after an struck cell this status register is made of 4 fieds of 3 bits b0 bl and b2 one field for each cell notes one asic receives 4 cells H the A Kh and Kb counters start simultaneously b0 anode started hit l ok bl high cathode Kh stopped gt 0 ok b2 low cathode Kb stopped gt 0 ok example 10 1 gt 5 Kb not stopped Kh stopped A started 4 digital counters two 12 bits 4096 co
9. alimentation generates an offset voltage of about 600mv 12A This offset is corrected with the Labview software no standardized VME card CAUTION Because of P the geiger card connector is not VME standardized this implies never not to put the VME geiger card in an other VME cage but the VME geiger cage if not the VME geiger card and VME cage can be deteriorated VIC 8250 CES VMV card CAUTION The CES VMV controller VIC 8250 card have to be installed in the Slot 21 at the extreme right hand side if not this card and the VME geiger cage can be deteriorated extension card to test a geiger card CAUTION There are 2 extension cards to test the geiger cards these extension cards are specific for geiger cards and geiger cages Do not use an extension card in the geiger cage other than the specific extension card if not the VME geiger card and VME cage can be deteriorated Use imperatively these specific extension card to also test the gene40 and the trig80 cards gene40 card timing The timings of the two gene40 cards there is a spare card to test the VME geiger cards are slightly different 2 or 3 ticks 2C 21 because of the output filters components and their shield use rather the number 1 gene40 for the dynamic tests if not timing errors will appear during the files comparison goto see dynamic tests see boad129 OSI nemo3 see boadl62 OSI secondary menu 3 F and seco
10. monitoring current cutting alimentation 5v per 100A H2 5V 3A monitoring current linear alimentation lv per 1A H3 7V 4A monitoring current linear alimentation lv per 1A H4 temperature T1 H5 temperature T2 see board 042 geiger VERO cage structure 2 Here is mV to T conversion for the temperature AD22100K probes Analog Devices T c Vmv 1375 22 5 Note A lot of temperature measurements in the geiger cages indicated that it was necessary to install an additional fan above the low geiger cages only in bays 10 and 40 see board 013 cages implantation see board 080 geiger cages temperature measurements H6 none 3 a double push button start stop 220v AC geiger cage 4 a general switch contact 220v AC slow control crate breaker slow control card modification note The current monitoring output provided by the alimentation manufacturer of the 5V 100A of the cutting alimentation is a mode common output and the analogical inputs of the Adam 5051 are differential from which the requirement modification see board 062 monitoring modifications H slow control additional items in typel crate only The digital and analogical ADAM 5000 mesurement station receives and sends signals from to the slow control crates of type 1 and 2 for the ADAM modules a block modular alimentation 2 27 12v 1A An ADAM 5000 support with the ADAM modules see board058
11. use the left green blue arrow at the board top 2 01 02 GENERAL INFORMATIONS The main goal of the NEMO3 s detector is to search for n double beta decay The Nemo3 detector is located in the LSM laboratoire so Modane see board077 lsm The geiger electronic acquisition like all the e calorimeter etc is external to the detector located under this detector in 4 cabinets bays see board069 geiger cabinets bay position see board073 frame detector 1 see board075 frame detector 2 see board 078 A frame detector 3 The design of the geiger electronic started in 1996 to 2001 This geiger user s manual is CD stored and goes with HK an archiving red book which contains H electronic schemes H software programs there are only 4 red books specimens a more than 180 boards see boad 125 boards list direct linking All references sources designer and contacts names etc see board124 references sources designers contacts GENERAL DESCRIPTIONS Note to see this chapter is sufficient to understand without de 02 01 Geiger detector There are 18 layers of cells per sector 9 i 9 external see boad000 one sector see board001 nemo3 synoptical acquisition see board054 the detector 3x12 2x14 4x16 4x18 2x20 3x23 309 cel sector there are 20 sectors 20 x 309 6180 cells There are 3 signals per c
12. with an alarm message to generate fast interlocks to stop the 220v AC geiger cage power when there are important defaults like excess of temperature fans problems etc C bench LAL tests and maintenance goto bench maintenance the goal of the LAL bench was to test the prototyping acquisition geiger cards was to make a lot of acquisition runs with the 9 and 20 cells chambers manufactured by the LAL s physicists see board041 20 cells LAL chamber was to test the 175 geiger cards after wiring was to test the 8 geiger cages the 8 slow control crates during a lot of weeks night and day before their deparature to the LSM and now to assure the geiger cards maintenance notes OS9 and MicroWare C compilator are the bench LAL software The bench hardware LAL is composed of 3 CES manufactured VME cards 3 LAL designed VME cards d LSM cabinets bay see board013 cabinet bay see board014 interlocks and 4 cabinets bays There are 4 cabinets geiger bays bay B10 20 30 40 A cooling 2 fans extractor is installed on the right hand of the bay An evacuation of the calories of all bays not only geiger bays is envisaged but not made at this date In one cabinet bay there are 2 VME geiger cages cooled individually 2 insulators distribution crates without individual cooling 2 slow control crates without individual cooling 03 GEIGER ASICS 03 01 Asics generalities
13. 1 06 22 06 23 06 24 06 25 06 26 06 27 06 01 06 02 06 03 no standardized VME card CAUTION VIC 8250 CES VMV card CAUTION extension card to test a geiger card CAUTION gene40 card timing trig80 card slots of the LAL geiger cage tests Splash datas reading bit 15 bay power all is not in this geiger manual 3M connectors mechanical intervention ACTQ244 mechanical intervention 75LCB173 RS485 line divers By pass a slow control crate tests calibration signals A and K from the numerical asics these signals are common to the 4 cells of an asic there is one signal for the anode and one another signal common to the two cathodes the timing of these tests are software programmable from the numerical asic with a 80ns resolution amplitude TTL signal without DC component using a serial capacitor and resistor to reduce the TTL signal to about 20mv See boad023 calibration threshold width 160ns jitter 20ns registers length All registers are on the 12 datas bits but H the threshold and the injection registers 8 bits H the alpha counters 17 bits H the preliminary status register 10 bits slow counting alpha There are 4 counters in the digital asic two cptA anodic counter and two cptK cathodic counter We don t need 2 cptA the second cptA low is used as cpta after the geiger acquisition received its stopA signal from the trigger the geiger a
14. 4 course Labview compute directly this conversion 5V 100A 5v per 100A 7v 4A lv per 1A 5v 3A lv per 1A interface geiger to trigger card There is an interface card trigger to geiger acquisition in each geiger cage This interface card is located on the back of the geiger cage and it is extractable this card is linked with the trigger thanks to a double flat ribbon cable the goal of the interface card is to transmit to the trigger via a RS 485 line drivers protocol drivers SN75LBC173 and 172 the HITS outputs to receive from the trigger the 4 inputs signals via the same RS485 protocol start mesure stop anode stop time out stop mesure there is a wiring between this interface card and the P mother card via an interadapt little card see board 082 link between interface card and P the time transit for the HITS or the command signals stop time out stop anodic start and stop mesure because of the differential lines is about 50ns 06 MISCELLANEOUS 06 01 06 02 06 03 06 04 06 05 06 06 06 07 06 08 06 09 06 10 06 11 06 12 06 13 tests calibration signals A and K registers length slow counting Q stop start mesure VME functions not used rate of the events HV trigger to geiger signals HITS counters reset digital asics outputs and D signals 5v 100A current monitoring offset 17 18 06 14 06 15 06 16 06 17 06 18 06 19 06 20 06 2
15. UNIVERSITE DE PARIS SUD CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE INSTITUT NATIONAL DE PHYSIQUE NUCLEAIRE ET DE PHYSIQUE DES PARTICULES LABORATOIRE DE L ACCELERATEUR LINEAIRE B timent 200 Centre d Orsay B P 34 91898 ORSAY CEDEX T l 01 64 46 83 00 ORSAY June 19 2001 VI 1 Author Jacques Rypko Fax 01 64 46 89 34 NEMO tll GEIGER ACQUISITION 01 GENERAL INFORMATIONS 02 GENERAL DESCRIPTIONS this chapter is sufficient to understand without deepening 02 01 geiger detector 02 02 geiger acquisition 02 03 auxilaries electronics geiger acquisition 02 03 a insulator distribution 02 03 b slow control and interlocks 02 03 c LAL bench tests 03 ASICS 03 01 generalities 03 02 analogical External analogical tests 03 03 digital Read and write AAA 555 Internal digital tests 04 CARDS 04 01 generalities 04 02 hardware 05 CAGES 05 01 generalities 05 02 Structure 05 03 monitoring card 05 04 interface geiger to trigger card 06 MISCELLANEOUS 07 SLOW CONTROL 07 01 generalities 07 02 hardware 07 03 software 08 BENCH TESTS MAINTENANCE LAL 08 01 general notes 08 02 bench software 08 03 bench hardware 08 04 auxilaries hardwares 09 LSM MAINTENANCE 10 01 software 10 02 hardware 10 03 spare electronic components 10 REFERENCES SOURCES DESIGNERS and CONTACTS 11 LIST OF BOARDS NOTE This text is written with MicrosoftWord and uses the hyper word link blue underligned words From one linked board to come back to the main text
16. abview software located in a master PC see board055 RS485 network The port COM2 of the PC sends RS232 Labview dialog to the RS232 to RS485 converter ADAM module 4520 There is a loading resistor of 120Q at the beginning and at the end of the RS485 line The inputs and outputs of the RS485 cables line are located on the front face of the slow control crate of only typel because the analogical and numerical mesurement station in the typel crate is common to the two slow control crates typel and type2 Because of this mesurement station common for two crates there are only 4 slow control crates of typel linked on the RS485 line Here is the wiring cables of the 4 slow control gages see board 056 RS485 cables see board057 ADAM modules 07 02 02 slow control crates Two types of slow control crates see chapter 07 02 01 These 2 types 1 and 2 are almost similar H slow control common items in typel and 2 crates for the digital electronic a block modular alimentation 5v 1A a card common for the slow control and the interlocks the theorical electronic schemes are in the red book here is the synoptical of the interlocks see board063 interlocks synoptical 26 a front and back crate faces equiped with see board060 slow control crate 1 a lot of leds 2 a 6 position manual analogical rotactor to control locally with a multimeter the following voltages H1 5V 100A
17. aries hardwares LM336 sorting card Cab connector to test analogical outputs of geiger cage Cab connector to test digital outputs of geiger cage Box to test the crate fans interlocks Mini card to test 75LBC173 line differential drivers f Card to test the interface geiger trigger card Box with double commands and interloks h A P mother board testing card i Two extension cards for specific geiger card j One extension card VME specific k Two extension cards for interface geiger trigger card 1 One board card to make the 74ACTO244 shorter m A gene one card a mini card to test the LM336 5v reference the LM336 have to be sorted absolute precision 0 5 the LM336 is the 5v reference of the DAC digital to analogical converter for the threshold input geiger card b cap connector to test with a multimeter the analogical outputs of the monitoring card of a geiger cage currents and voltages of 5v 100A cutting alim 5v 3A linear alim 7v 4A linear alim c cap connector with leds to test the digital outputs of the monitoring card of a geiger cage these leds have to be powered by the internal geiger cage card monitoring d test box of fans crate this box have to be powered with an auxilary 5v alimentation e mini card to test the differential ligne drivers of the interface trigger geiger 75LBC173 see 75LBC173 RS485 line drivers f card to test the interface card trigger geiger this little car
18. cquisition remains still opened during about 1ms time fixed with an electronic programable monostable in the trigger jitter monostable cpta 2 to 3 Hs till the stop mesure signal if there is an event the a counter starts then stops thanks to the stop mesure signal the anodic counter counts at the same time as the counter modulo 12bits 4096 only if anodic counter did not already starts in p mode 1 amp 19 the cathodic counters count at the same time as the counter stop with the cathodic signals only if these counter did not already start in mode e a standard reading consists of to read 12 bits but for the 17 bits of the counter Q there are two consecutive readings 12 bits 5 bits first reading second reading 06 O04 stop start mesure there are two possibilities by software VME command for the conveniences of maintenance and tests by hardware from the trigger under normal acquisition asic input start mesure true 1 see board017 timing a start mesure has to always be preceded by a raz counters 06 05 VME functions not used The ACFail control protocol of the VME alimentations The VME block transfert of datas There is neither manual nor SysReset VME raz 06 06 rate of the events There is an event about each second about 10 cells are struck 06 07 HV There are as many HV as of layers 18 The insulator distribution can be powered with the HV even
19. d simulate the trigger and generate and inject the 4 following signals in differential mode in the differential inputs of the interface card start mesure stop time out stop A stop mesure See board070 tests interface geiger trigger card g a double command box hardware slow control go to see slow control this box was the prototype of the slow control crates h a card to test the P mother board of a geiger cage this card is very important see board072 tests P mother card synoptical The electronic theorical schemes of this tests card are in the archiving redbook 34 35 This card have to be installed on a extention specific geiger card especially not on a extention VME card Move this card from slot to slot to test the P mother card of a geiger cage and move the strap a long the 40 hits pins possibilities see board083 P cab two extension specific geiger card CAUTION don t use these cards to a VME standardized bus and oppositely don t use a standardized VME extension card with a geiger cage under penality of causing important failures one extension specific VME standardized card CAUTION don t use this card to a geiger cage and oppositely don t use an extension specific geiger card with a standardized VME bus cage under penality of causing important failures Notes The geiger cage is not a standardized VME cage The master CPU cage of the bench t
20. e trigger via a differential ligne drivers interfacecard between the trigger and the geiger acquisition Hto receive the 2 none VME standardized alimentation 7v 4A 5V 3A 05_02 cages structure see board 031 geiger VERO cage structure see board 042 geiger VERO cage structure 2 see board 043 geiger VERO cage structure I mother board Jl 21 slots 20 geiger cards 1 VIC8250 mother board P 21 slots 20 geiger cards 1 VIC8250 see board 164 pinout mother board of geiger cage a the pinout of P connector is the same for type 1 or type 2 geiger cage only the internal wiring is different a the VIC 8250 are linked between them with double flat ribbon cables like this see board 067 VIC8250 link 15 the instructions of VIC8250 switchs should be respected see board066 VIC8250 switchs config the CSR number and the Crate number have to be identical one alimentation 5V 100A cutting for digital electronic a about 2A by geiger card about 45A per cage a manufactured by UniPower USA model PG2000 n x with current and voltage monitoring provided current monitoring 5v for 100A cooling integrated one alimentation 7V 4A linear for analogical asics joi aun xy a about 85mA per geiger card about 1 7A per cage manufactured by Convergie model CEL DS 12 without current nor voltage monitoring without cooling current monitoring
21. ear long was necessary to the physicists to analyse the results of a lot of datas acquisition from 3 successive prototypes geiger cards before definitively to manufacture the 175 geiger cards from a generator 40 VME card This card can send simultaneously 40 A 40 Kh and 40 Kb signals to a geiger card to test it see gene40 card from geiger asics dynamic external tests signals This mode permits to test the geiger card in stand alone mode without gene40 and Trig80 VME cards see external tests bench LAL software A large menu of possibilities commands exists see board 129 OSI nemo3 here is the check list software OS9 C compilated routines see board088 OSI mesa rout here are the 10 files C source LAL software of the bench tests with their make file and its offset h definitions file note these programs are also in the archiving red book see board087 OSI makefile see board 099 OSI offset h 30 see see see see see see see see see see board 089 board 090 board 091 board 092 board 093 board 094 board 095 board 096 board 097 board 098 OS9 nemo OS9 nemo OS9 nemo OS9 nemo OS9 nemo OS9 nemo OS9 nemo OS9 nemo OS9 nemo OS9 nemo x BRFQHoaaga sys There are 3 principal programs 08_02_01 acquisition from 9 or 20 cells chamber Here are the acquisition
22. ee board119 Ism write 555 1 asic see board120 lsm write AAA 10 asics see board121 lsm write AAA 1 asic see board122 lsm write threshold 10 asics see board123 lsm write threshold 1 asic There is a principal program named static run tests to test the geiger cards of all the 8 cages gt see board113 lsm static run tests with its see board 156 geiger h lsm note this static run tests program is also in the archiving redbook This program obviously cannot inject signals to the geiger connectors inputs only the LAL bench tests with its gene40 card can do that The static run tests program don t use the trigger consequently There is no stop A signal the A counters are stopped by the internal geiger stop mesure signal stop time out in static mode this signal is not necessary because the time out does not act in the static mode see board 167 how to login to the LSM machines see board 139 how to start static run tests program The static run tests program generates an errors archive file named run static errors you have to read it to know the errors see board128 lsm run static errors 3 37 notes the static run tests program is not of course the acquisition LSM software the LSM acquisition geiger software team received from LAL the following consulting geiger hardware check see board081
23. ell one anode A 2 Kh high Kb basse low eutrinoless uterrain de lectronics and it is finish in are in epening nternal ls per cathodes ho 3 x 6180 18540 signals note the electronic geiger acquisition possibilities are 40x 3x 160 19200 signals or 6400 cells thus there are inputs which are not used 02 02 Geiger acquisition see boad000 one sector see board001 nemo3 synoptical acquisition see board034 picture 2 acquisition geiger card see board017 timing see board018 dialog trigger geiger a the trigger sends to the geiger acquisition a start mesure signal b From each struck cells leave three signals see board024 signals A anode signal note a hit is an A signal digital TTL formated Kh high cathode Kb low cathode e the A signal starts three electronic counters A Kh and Kb e the Kh and Kb signals stop respectively the Kh and Kb electronic counters e evry 102us all counters are set to zero raz by an internal geiger signal named time out C An or electronic wired of the hits of the cells from one layer generates a HIT There are 18layers x 20sectors 360 HITS The trigger receives these HITS adjusts their time to about 5us and according to its decoding configuration generates a three signals event trigger signal or still named stop time out this signal stops the raz counters which if not occurs ever
24. ems etc and it informs much later the software which displays a message to the operator note example about the temperature the Labview software has to act first at 45 c that depends of the check list consigns to stop the AC 220v power of the geiger cage see board084 Labview consigns if Labview cannot act for example power off or some other defaults then the interlocks acts at 54 thanks to a thermoswitch see how to bypass a Slow control crate 07_01_02 Hardware crates are of 3 types see boad013 cages implantation see board014 4 cabinets bay slow control type 1 crate H with an analogic and digital mesurement station common to the high and low geiger cages located in one cabinet bay H there are 4 slow control typel crates one per bay slow control type 2 crate H without an analogic and digital mesurement station x there are 4 slow control type2 crates one per bay 24 25 fans crates H cooling crate for only the 21 cards of the geiger cages H there are 8 fans crates two per geiger cages 07 02 slow control hardware 07 02 O1 RS485 network bus b C d h There are 8 slow control crates 4 of typel 4 of type2 Only the 4 typel crates with 2 others process gaz and electric boxes are linked on a RS485 differential line Via this RS485 line each slow control crate only of typel thanks to an address can receive or send datas from L
25. erence a lot of LAL tests with the 20 cells chamber show there are some errors with the reading coherence of the status register of a cell go to see coherence see board029 cell status error note there never was coherence error with gene40 card tests 04 GEIGER CARDS see board 002 VME card 1 see board034 VME picture 04 O1 cards generalities All the 160 geiger VME cards are identical One card to the maximum can receive 40 cells signals 40 A 40 Kh 40 Kb The cells distribution of one sector is like this gt see board003 sector dispatching layers thus certain cards don t receive 40 cells there are cards with e 40 cells and there are 3 types of them types 1 2 and 3 see board004 wired electronic or type 1 see board005 wired electronic or type 2 see board006 wired electronic or type 3 e 39 cells and there is 1 type type 4 see board007 wired electronic or type 4 e 36 cells and there is 1 type of them type 5 see board008 wired electronic or type 5 These five configurations are imposed by the P wired electronic or of the mother board of the geiger cage The recapitulation layers sectors geiger cages is 11 12 04 02 a b c d e described in this following basic board gt see board 038 nemo cab note the 20 x 18 360 HITS are dispatched like this 4 geiger VME cages of type I whic
26. est LAL is a standardized cage VME two extension cards for the interface trigger to geiger one board card to make the ACTQ244 mechanically shorter with a grinding stone see mechanical intervention On some ACTQ244 a card named gene one card can inject in the geiger card directly in the 3M front face inputs connectors repeatedly thanks to a clock pulse or in single shot mode with an external trigging the 3 analogical signals which simulate a cell one anode and 2 cathodes see board026 gene one synoptical 09 LSM MAINTENANCE 10 01 software maintenance there are 22 programs to tests the asics 36 see board071 lsm software list see board101 Ism raz 10 asics see board102 Ism raz 1 asics see board103 lsm raz cage see board104 Ism raz card see board105 Ism read 10 asics see board106 Ism read 1 asic see board 107 lsm read threshold 10 asics see board108 Ism read threshold 1 asics see board109 Ism read status 10 asics see board110 lsm read status 1 asic see boardlll lsm read preliminary status 1 card see board112 lsm read preliminary status 20 cards see board114 Ism test ext 10 asics see board115 Ism test ext 1 asic see board116 Ism test int 10 asics see board117 Ism test int 1 asic see board118 Ism write 555 10 asics s
27. fied however it will be necessary to replace the original A and K a tests values in this file to do not generate defaults during the tests programs note the tests values are identical for the 2 modes internal digital tests and external analogical tests A and K tests values are the number of ticks counter pulses between A and K signals see board129 OSI nemo3 see board157 OS9 primary menu 1 Y and primary menu storing file modifications n k 1 primary menu external tests note there are 10 tests values per card one per asic therefore 10 x 160 1600 tests values stored see board131 salvar see board 130 read me salvar a the signals start mesure stop time out stop mesure are generated by the digital asic stop A signal if it is not present the A counter is stopped by the stop mesure signal if it is generated by the trigger the A counter is stopped prematurely by the stop A signal H the resolution tick is 80ns note the 20ns of resolution tick is only during the acquisition mode Wrong a there is a possibility to get a wrong event because of the anodic cell signal aspect crosstalk A with K in the detector see board 025 wrong alpha 1 An alpha event is true if about the counter is modulo 4096 of the A counter if not the values counters have to be eliminated example Y counter 4096 Z int Y If
28. from monitoring current of the alimentations temperatures and digital signals TTL on off of alimentation fans directly from geiger cage of type 1 HIGH 46 HITS undirectly via the slow control cage typel from geiger cage of type 2 LOW 44 HITS 07 03 slow control software The Labview software is used and located in a LSM PC H the geiger cages are on a RS485 bus with 2 others gaz electric boxes 28 H others process Labview controled too are on the CAEN bus or RS232 bus With VNCviewer it is possible to drive Labview from the LAL if the authorization is given from the LSM It is possible to only watch from the LAL the Labview windows thanks to an address web The Labview software is slow it does not control only the 8 geiger cages there are others process to control see board055 RS485 network bus The Labview software loops permanently on all the processes compares its measurements to a check list of standard values consigns if there is a default and if this default is identical after 10 loops Labview stops the 220v AC power of the geiger cage See board084 Labview consigns All Labview geiger functions from the PC keyboard are also possible locally thanks to push buttons switchs leds located on the front face of the slow control crate Here are these functions H 220v AC power start stop H T1 and T2 temperature display a 5y 100A 5V 3A 7V 4A current monitoring display
29. h generate 44 HITS 4 geiger VME cages of type II which generate 46 HITS 44 x 4 46 x 4 360 HITS and this basic listing gt see board 083 P cab Here the listings of different cells marking see board 135 cell marking cage 0 and 1 see board 136 cell marking cage 2 and 3 see board 137 cell marking cage 4 and 5 see board 138 cell marking cage 6 and 7 cards hardware see board 011 VME geiger card 10 couples of asics one analogical one digital Here are the addresses of the digital asic counters and registers see board 085 addresses Here are the boolean equations of the PAL programmable array logic see board 127 pld logic There is a quartz oscillator 50Mc s CP on each geiger card to define the counting resolution of 20ns during the acquisition mode jitter 50ppm 0 70 lpicosec 2500c s 20 001ns 19 999ns annual drift 2ppm cumulable protocole VME to numerical asics t 20ns max T about 500ns see board 033 VME to digital asic protocol the hits asics outputs are totempole TTL true 1 its image is memorized in the statusasicregister to protect the asic the hits are buferized before to build the electronic wired or with open collector buffers without load the loads are located on the interface card the electronic wired or is internal to the P mother card wiring
30. he method adopted by the physicists during the LAL tests 06 21 datas reading bit 15 Each digital asic provides an output digital signal named acknoledge to indicate a correct reading datas The 10 acknoledges of the 10 asics are or wired on a 21 22 06 22 06 23 06 24 06 25 06 26 single digital signal and located on the 15 and most significant bit of the data bus of the geiger card This 15 bit always has to be read before to accept the datas The acknoledge at the output of the asic is a totempole TTL true 0 bay power power max 1000w per bay all is not in this geiger manual you will not find in this geiger manual H the LSM acquisition software the trigger the Labview slow control software the internal theorical schemes of the analogical asics the internal theorical schemes of the digital asics the description of the debuging LAL bench of the analogical asics aaax if you want information about these subjects see board124 references sources and designers 3M connectors mechanical intervention H there are 3 connectors 3M 2 x 2 x 20 on the geiger card H the marked connector of a cross has to be located between the 2 others this central connector is shorter than the 2 others its ends were mechanically worked ACTO244 mechanical intervention H the 2 ACTO244 M44 and M35 on the geiger card are shorter than the others their ends were mechanical
31. his case like external analogical tests the A Kh and Kb are known and calibrated by means of to the software thus they can be easily compared Hu Hu Hu the digital asic generates one digital TTL A signal one digital TTL K signal identical for Kh and Kb the A and K tests values are stored in a HD file this file can be modified however it will be necessary to replace the A and K original tests values in this file to do not generate defaults during the tests programs note the tests values are identical for the 2 modes internal digital tests and external analogical tests see board129 OSI nemo3 see board160 OS9 primary menu 3 Y and primary menu storing file modifications m k 1 primary menu external tests see board131 salvar see board130 read me salvar the signals start mesure stop time out stop mesure are generated by the digital asic stop A signal if it is not present the A counter is stopped by the stop mesure signal if it is generated by the trigger the A counter is stopped prematurely by the stop A signal the resolution tick is 80ns 1C 11 note the 20ns of resolution tick is only during the acquisition mode Reading error counter obviously if a cell is hit 2 times during the 102us of a time out the reading counters of this cell is false See board 028 error if 2 events in a time out Reading error cell status coh
32. ires informations 10_02 hardware maintenance How to change a card in a geiger cage see board 134 hardware maintenance 10_03 spare electronic components see board 133 spare electronic components 10 SOURCES and REFERENCES see board 124 sources references and designers 11 BOARDS LIST see board125 list of boards direct linking 37
33. listing acquisition datas with the 20 representation by the physicists see see e see see see see see S Here are some others graphical cells chamber and its board 129 OSI nemo3 board 158 OSI secondary menu 1 and y secondary submenus board 041 board 140 board 148 board 149 20 20 20 20 cells cells typical acquisition cells statistic nb 1 results cells statistic nb 2 results LAL chamber asic_run nb 05 board 166 OSI primary menu 3 primary menu electronic specialists see see see see see see board 150 board 151 board 152 board 153 board 154 board 155 Here are some see see see see see see see board 141 board 142 board 143 board 144 board 145 board 146 board 147 Ro ok o ka cell statistic nb cell statistic nb cell statistic nb cell statistic nb cell statistic nb cell statistic nb K graph graph graph graph graph graph OU tl O results from physicists graphical results 9 20 20 20 20 20 20 cells cells cells cells cells cells cells K physicists graph K physicists graph graphical beta A physicists graph nb l beta A physicists graph nb 2 physicists graph A alpha physicists graph nb 2 alpha physicists graph nb 2
34. lues see board 132 asic run standard 01 08 03 bench LAL hardware The 08 01 chapter already discribed a little bit this bench hardware 31 32 08 03 03 see boad019 LAL bench 08 03 O1 CES manufactured cards see board074 synoptical tests bench In a standard VME master crate there are FIC 8234 CPU card DIS 8002 display VME card VIC 8250 VME VMV control card a hard disk and a floppy disk mechanisms note this VIC8250 links with a VIC8250 of a geiger cage type 1 named LAL VME bench cage in which there are the geiger card which must be tested in slot 2 imperatively because of the triger80 card decoding event a VME gene40 card in slot 8 a VME trig80 card in slot 12 see board035 picture 3 bench tests see board036 picture 4 bench tests O8 03 02 TRIGGER80 LAL designed card This VME card no standardised because of the geiger cage named trig8 amp 0 80 because of its local clock pulse CP is 80Mc s 12 5ns while the geiger cards CP is 50Mc s 20ns The trig80 card simulates the LSM true trigger The electronic theorical schemes are in the archiving red book see boad021 trig80 specifications the trig80 card have to generate the following 4 signals start mesure stop time out stop A stop mesure GENE40 LAL designed card This VME card no standardised because of the geiger cage named gene40 40 because of thi
35. lv for 1A via monitoring card see monitoring card this 7v 4A alimentation is a 12v 6 8A voltage reference modified by Convergie secondary winding of AC transformer modified by the LAL to avoid the regulator overheating one alimentation 5V 3A linear for analogical asics x aunty about 35mA per card about 700mA per cage manufactured by Convergie model CEL BS 5 OVP without current and voltage monitoring without cooling current monitoring lv for 1A via monitoring card see monitoring card interface line divers card see interface card monitoring card see monitoring card temperature probes T1 and T2 see temperature thermo 54 c switch digital and analogical signals temperature voltage and current alimentations monitoring leave the connectors on the back of the cage to arrive to the slow control electronic 3 3 a leds are located on the back of the cage for the alimentations 5V 100A 7V 4A 5v 3A power 220V AC on off switch is located on the back of the cage 16 05 03 monitoring it has always to be in the on position because the AC power is controlled by the slow control electronic this on off AC power switch contains the on off power switch a AC fuse a AC filter the AC plug in input connector Haag manufactured by VERO according to LAL s directives note the 3 fans cage are outside the geiger cage see fans crates Here are some of
36. ly worked with a grinding stone and an auxilary card H these shorter ACTQ244 are marqued in a separated package H there is this problem because of the delivery of a batch of ACTO244 longer than envisaged 75LBC173 RS485 line drivers H The 75LBC173 convert an input RS485 protocol differential signal to an output logical TTL signal H if the line input of the 75LBC173 is opened the input of the driver is not fixed therefore the TTL output of the 23 driver too H these 75LBC173 TTL outputs are the command signals start mesure stop mesure stop A stop timeout If the line of the driver is opened or for example if the trigger is power off these signals are hazardous gt H This problem is only annoying in the testing mode of the geiger card internal or external mode because these tests cannot start if there is a permanent start mesure signal to 1 TTL H to avoid this inconvenience it is necessary to sort the 75LBC173 and choise one with at the cold power starting a start mesure signal always inhibited 1 TTL pin 11 use the mini card tests 75LBC173 seeminicard 75LBC173 H in the spare material there are a special package with 75LBC173 sorted ok marked 06 27 By pass a slow control crate a sometimes it is necessary to disconnect a slow control crate from the Labview control to drive a geiger cage only with the local manual buttons H to do that disconnect the 9b female connec
37. ndary submenu The gene40 is a heavy and large card it has to be fixed in its slot with screws if not there will be bad electrical contacts 06 18 trig80 card The are are 3 trig80 cards an old card 2 new cards number 1 and 2 gt The old trig80 card can be used with an specific geiger extension card or not but always with pair of flat twisted ribbon cables gt The 2 new trig80 card can be used exclusively with an specific geiger extension card because of contacts problems and always with a pair of flat not twisted ribbon cables 06_19 slots of the LAL geiger cage tests There are some slots which have bad contacts because these slots were used many times also it is necessary to use preferably gene40 nb 1 card in slot 8 old trig80 card in slot 12 gt imperatively geiger card in slot 2 The geiger cage of the LAL bench is of type 1 06_20 splash Some cell wires are connected to the geiger acquisition and don t arrive to the detector These no connected cells if the threshold is low can generate a spurious signal named splash There are 3 possibilities to avoid this H install on the insulator distribution a capacitor on the empty cells this solution does not remove completely the splash thus this solution was not selected H the best it s to adjust correctly the threshold H or never not to read these no connected cells and to accept the trace if it is coherent it was t
38. s card can generate simultaneously 40 signals to the 40x3 inputs of a geiger card its CP is 80Mc s like the trig80 card 12 5ns The gene40 card simulates the detector signals The electronic theorical schemes are in 33 08 04 the archiving red book To summarize the gene40 card is made of 3 programmable separated differents generators and these 3 generators can be dispatched on each input of the geiger card see board020 gene40 specifications Here is an example of gene40 possibilities 3 cells hit with only 2 generators Gene2 is not used X one cell with Genel f xX one cell always with Genel p H one cell with Gene3 amp see board030 gene40 example 08 03 04 Geiger cards maintenance and history After wiring a lot of geiger cards about 80 returned to Bellegarde wiring society because of defaults Only the principal wiring defaults are nomenclatured in a history file see boad126 maintenance geiger cards history gt An annoyng problem after wiring taked place in 1999 on 10 geiger cards appeared some internal cutting wire The wiring employed is the multiwires technologie The RCI manufacturer of the geiger cards recognized the defaults on 05 99 delivery and exchanged them free but the 05 99 delivery included 27 geiger cards since the cut of wire continued on some cards about 6 but seems stable from now see board086 RCI letter auxil
39. ters hardware g n ral at the cold start automatically software general broadcast simultaneously all the counters 8 cages 160 cards 1600 asics not used to the LSM one cage 20 cards 200 asics one card 10 asics one asic 4 counters one counter see board 012 geiger card raz 0X the mecanical metal front face of the VME geiger card is 14 not standardized on each VME geiger card there are 2 leds e mesure on green led inhibited with the black strap e select card red led inhibited with the red strap e all green led are inhibited black strap off on a geiger cage but the first left geiger card of each cage only the first card on the left indicates the mesure mode on 05 GEIGER CAGES 05 01 cages generalities There are 8 VME geiger cages There are 4 VME geiger cages of type I 44 HITS and 4 VME geiger cages of type II 46 HITS because of see board 083 P cab see board 038 nemo cab It is the internal wiring of the P mother card which defines the type I or II The J1 VME mother card is standardized The J2 VME mother card is not standardized it is named P P has 21 VME connectors 20 of these connectors are used ato define the electronic wiring or of the hits the geographical addresses of the cards ato receive some signals the start and the stop mesure the stop Anode and the stop time out still named trigger these 4 signals come from th
40. the VME geiger acquisition is not fed by the AC 220v power 06 08 trigger to geiger signals After the trigger has received the order to send at the same time to the 8 geiger cages the order start mesure it sends if there is an event according to a timing at the same time too to the 8 geiger cages the 3 signals stop timeout stop A stop mesure These 4 signals start mesure stop A stop timeout stop mesure are transmitted to the geiger acquisition via RS485 differential line drivers thanks to the interface card these 4 signals commands are pulses signals it is necessary to memorize on the geiger card these signals but stop A because the asic only recognizes level signals 06 09 HITS 20 06 10 06 11 06 12 06 13 06 14 06 15 06 17 The geiger acquisition receives if there is the HV permanently the hits and thus generates permanently HITS even if the geiger acquisition is idle no start mesure signal counters reset The raz remise z ro of numerical asics of course do not raz the thresholds registers digital asics outputs The numerical asics cannot generate a necessary VME TTL tristate this tristate is created artificially on the VME geiger cards alpha and beta signals The B and signals from the detector have the same form and same amplitude 5v 100A current monitoring offset The current monitoring of the 5V 100A cutting alimentation provided by the
41. these directives H the general ground distribution see board 045 geiger VERO cage general ground distribution H the 5v 100A distribution see board 044 geiger VERO cage 5v 100A distribution H the position of the alimentations see board 043 geiger VERO cage cage configuration H the linking monotoring card see board 046 geiger VERO cage link with monitoring card H link between interface card and mother geiger cage card see board 082 geiger VERO cage wiring link with interface card the connections of the monitoring card see board 046 geiger VERO cage monitoring card connections the outputs of the monitoring card see board 047 geiger VERO cage monitoring card outputs the goal of the designed LAL monitor card is to create for the 2 linears alimentations 7v 4A and 5v 3A H a current monitoring voltage because these 2 alimentations are not equipped with it by the manufacturer note the 5V 100A is equipped with it by the manufacturer H a digital signal to indicate if the power is correct because these 2 alimentations are not equipped with it note the 5V 100A is equipped with it by the manufacturer the monitoring electonic schemes are in the red book the monitoring card is located on the back of the cage which opens with hinges here are the current to voltage conversion of the monitoring current of these 3 alimentatons of 1 17 05 0
42. tor from IN RS485 Labview control of the slow control crate disconnect the 9b male connector from OUT RS485 Labview control of the slow control crate connect the 2 cables one in the other and thus the slow control crate will be by passed see board057 Adam moduls slow control see board060 Interlocks crate 07 GEIGER SLOW CONTROL 07 01 slow control generalities see board013 cages implantation see board014 cabinets bay See board042 cages config 2 07 O1 O1 The control can be divided in 3 parts 24 Labview slow control H the control supervises all the voltages currents temperatures etc via the Labview software H Labview warns the operator with an alarm display if there is an excess H Labview stops the 220v AC power of the _ geiger cage if the consigns are exceeded H Labview sends digital commands to start or stop the 220v AC power of a geiger cage if an operator wants it local manual slow control H it is possible to start or stop the 220v AC power of a geiger cage via a local manual push button if an operator wants it H it is possible to survey the currents voltages temperatures with a multimeter via a rotactor located on a the front face of the slow control crate interlocks H the control generates fast interlocks to stop the 220v AC geiger cage power when there are important defaults not detected if Labview fails like excess of temperature fans probl
43. unters for Kh and Kb one 12 bits 4096 counter for A one 17 bits 131072 counter o H The time resolution of the counters is 20ns 50Mc s in mesure mode named tick 80ns 12 5Mc s in tests mesure mode this factor 4 because of the tests asic digital hardware cannot support 50Mc s The digital asic generates from its internal 8bits DAC to the analogical asic comparator an analogical signal to fix the level of the comparator threshold of the analogical inputs signals of the cells H the threshold values are stored in a HD file this file can be modified however it will be necessary to replace the original threshold values in this file to do not generate defaults during the tests programs see boad129 OSI nemo3 a 10 see board159 OS9 primary menu 2 y and primary menu note there are 10 treshold values per card therefore 10 x 160 1600 treshold values stored see board131 Salvar see board 130 read me salvar there is a general electronic common to the 4 cells of an asic to generate tests signals here is their descriptions see board010 synoptical scheme asic Read and write AAA 555 read or write of a digital hexadecimal word AAA or 555 in the 16 4 x 4 counters of an digital asic Internal digital tests This the asic function starts and stops the asic counters with digital asic internal signals thus the analogical is not used In t
44. y weekevry 102us stop A to stop the A counter stop mesure to stop the acquisition notes between the stop A and the stop mesure signals there is an a observation time between the start mesure and the stop A signals there is a p observation time d the LSM software geiger acquisition is assured thanks to Lynx with Cascade and a C compilator e The LSM hardware acquisition is assured thanks to 2 G2 02 03 hardware branchs with each one a 4 VME geiger cages no standardized with 21 slots slots 1to 20 20 geiger acquisition cards slot 21 one CES VME VMV VIC8250 card controller b 4 insulators distribution crates C 4 slow control interlocks crates total hardware 8 geiger cages 2 cages per bay there are 4 bays 20 VME geiger cards per cage 2 5 sectors per cage 20 x 8 160 VME geiger cards 8 auxilaries slow control crates 2 crates per bay 8 HV insulators distribution crates 2 per bay see board068 general system acquisition see board065 2 vmv branches see board013 cages implantation see board014 4 cabinets bays Auxilaries electronics Geiger a insulator distribution gt see boxd163 insulator principal document See boad015 insulator 1 theorical scheme see boad016 insulator 2 mother card see board037 picture 5 insulator distribution see boad013 cages implantation see board014 4 cabinets bays
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