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HP 3437A User's Manual

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1. MOZAMBIQUE AN Goncalves Lid 162 1 Apt 14 ay D Lurs Cama Postal 107 Maputo Tm 27091 27 114 NEGON Mo 6 203 NETHERLANDS Hewieh Packard Saneiux MN Ven Heuven Goedhartingn 2 f P Box 667 1 81 Amatilvean Tek 20 47 20 2t Telex 13 216 NEW ZEALAND Heedetl Packard N 2 Ltd 4 12 Crackshank Straw Voie Wellington 3 DO Bon 9443 Couty Pince Weilington Tei 877 196 Hewlett Packard 2 Lid PO Box 26 189 168 Manukau Road Epsom Aucktand Tet 697 159 Analyticg Medical Only Northrop instruments A Syslems Lid Sturdee Mouse 85 87 Ghuznee Street P O Bax 2406 Wellington Tet 850 081 Telex NZ 31281 Northrup mstruments amp Systems Lid Eden House 44 Khyber Pass fid P O Bax 9682 Newmarket Aucklond T Tet 764 081 Notlhrunm Instruments X Syslams Lid Terrace House d Oxford Terrace P O Box 86 Cheletchurch Tet 64 165 NIGERIA The Electronics instrumernt amp tions Ltg 3488 770 Oyo Road Oiuseun House P M B 5402 becan Tet 46577 Telex 31231 TE NG The Fiectronics fastrenentations Lld 144 Agege Molar Road Mushin HU Box 481 Mustun Lagos NORWAY Hewlett Packard Norge A S Ostendalen 18 7 0 Box 34 1345 Osteraas Tei 102 1711 80 Telex 16621 hphas f Hewlelt Packard Norge A S Nygaardsgaten 114 P O Box 4210 5013 Nygaardsgaten Bergen Fel 05 21 97 33 PANAMA Eiecir nico Balboa S A Apatatado 4929 Panama 5 Cate S
2. Telex 0845 430 Biye Stat 1d Meegkshi Mandram XXXXV 1379 2 Mahalma Gandhi Rd Cochin 682 016 Tei 32069 Telex 085 814 Blue Star Ltd 1 111771 Devi Road Secundersbad 500 033 Tek 70126 Telex 0155 489 Biye Star Lid 1338 Kodambekkam High Roag Madras 606 034 Tat 7 Telex 041 378 ICELAND Medical Only Elding Trading Company inc Halnarnwoii Tryggvagotu POD Box 5 IS Reykjavik Tek 58 20 1 63 O3 INDONESIA BERCA Indonesia P Y HO Box 496 Jk1 Jin Abdu Murs 2 Jakarta Tei 349255 349886 Telex 46748 BERSIH iA BERCA Indonesia P T P O Box t74 5by 23 An nario Surabaya Tei 42027 IRELAND Hewlett Packard Lid Kagitet House Clanwiliarn Place Lowe Mount Street Dubitin 2 Exe Hewett Packard Ltd 2C Avangberg ind Est Long Mile Road Dublin t2 Tel 514322 5 14224 Telex 30438 Medical Oniy Cardiac Services reiand Lid Kinoe Road Ariane Gubiin 5 Tat 01 315820 Medica Onty Cardiac Services Co 954 Finaghy Ad South Beitaet 8T 10 0dY GB Nortivern ireland Tet 0232 625566 Telex 747626 ISRAEL Electronics Engineering Div of Motorola Israet Lid 16 Kreimeneluki Street Box 250165 0 Tel 38973 Teiex 33560 34164 ITALY Hewlett Packard Nakana S p A Via G Di Villorio 9 20063 Cernusco Bu Naviglio ihti Tel 2 003681 Telex 334632 HEWPACKIT Hewlett Packard takana So A Via Turazza ta 35100 Padova
3. Tet 49 664888 Telex 430315 HEWPACKI Hawielt Packard Habana S p A Via G Armetiini 10 1 00 43 Roma Tet 06 54 69 61 Telex 6105 14 Hewierl Packard kalana So A Corso Giovanni Lanza 94 F10133 Torino Tek iO 11 649308 Telex 22 1078 Hewlet Packard llaliana S p A Via Principe Nicola 43 G C 95126 Catania Tet 085 37 05 4 Teiex 97029 t Hewlett Packard italiana S p A Via Nuova san Rocco A Capadimonte 624 80131 Napoli Ter 081 710698 Hewlett Packard italiana SPA Via Marlin Luther King 38 111 i 40132 Bologna Tel 05 1 402394 Telex 511630 JAPAN Yokogawa Hewhetl Packard Ltd 29 21 Takaido Higasne 3 chome Suginami ku Tokyo TER Tek 03 331 61 11 Tee 232 2024 YHP Tokyo Yokogawa Hewtelt Pack aid Ltd Chuo Bldg Ab Floor 4 20 Nishinakaima 5 chome Yodogawa ku Osaka shi Osaka 532 Ter 06 304 602 1 Telex 523 3624 Yokogawa Hewietl Packard Lic Sunitomo Seimei Nagaya Bide 1 2 Shimosassjima cho Nakamura Ku Nagoya 450 Te O82 57 5171 Yokogawa Hewlett Packard iid Tanigawa Building 2 24 1 Tsufuya cho Kahagawa ku Yokohama 221 Tel 045 3 12 1252 Telex 382 3204 YHP YOK Yokogawa Hewiet Packara Lid Mito War Braiding 105 f chome San no mary Mito barng 310 Tei 0292 25 7470 YOk09awa Hewieti Packard Lid ne But ng 1348 3 Asahi cho t chome Ateugi Kanagawa 243 Tet 0452 24 0452 Yok OgawA Hewielt Pack ac Lid 3 4 Tsuk
4. s external trigger input circuitry The Perfor mance Test trigger interface hp 34113A is usefull for clamping bipolar triggers to within TTL levels Refer to page 5 85 for more infor mation on this interface HOLD MAN LOCAL amp REMOTE HOLD MAN The first time the de el rm is pressed the 3437A holds the volts display of the last sampied voltage constant The second time the f key is pressed and each time there e after a manual trigger is generated Manual triggers can be generated in this manner until a new function is program med GROUP EXECUTE TRIGGER Addressed HPIB Command Each time the 3437A receives group execute trigger GET while addressed to listen it will generate a trigger regardless of trigger mode selected ASCH PACKED i 3 20 FORMAT e Je The output data format is selectable between an 2 byte format ASCH 3 21 de Each data transfer is output as 6 ASCH characters followed by a carriage return CR and line feed LF concurrent with EOI true ASCH 8 byte and PACKED EXAMPLES a Normal i l volt range 1998 CR LF and EOD ii 1 voit range 1 998 CR LF and EO 19 98 CR LF and EOD Hi 10 volt range 3 4 Rev A Model 3437A b Overload i t volt range 9999 CR LF and EOI ii volt range 9 999 CR LF and EOI ii lO volt range 99 99 CR LF and EOI For measurement data where NRDGS gt 1 the CR and LF and EO
5. tue van Gogh 59650 Villaneuve 0 Tel 20 81 41 25 TWX 160 424F Hewlett Packard france SAtkment Amp re Rue de Commune de Paris Sp 300 93153 Le Banc Mennii x Tei 01 931 88 56 Telex 211032F Hewiett Packard France Av Ge Pdt Kennedy 33700 Merignac _ Tel 56 97 Qt 81 Hewlett Packard France immeuble Lorraine Boulevard de France 81035 Evry C dex Tek 077 96 80 Telex 592315 Hewlett Packard France 23 Rue i otharre 57000 Metz Tel 87 66 53 50 GERMAN FEDERAL REPUBLIC Hewleti Packard GmbH Vertriebszenitaie Franksuri Berner Strasse 117 Postiach 560 140 D 6000 Frankturt 56 Tel 06011 50041 Telex 04 13249 hpftm d Hewiett Packard GmbH Technisches B ro B biihgen Herrenberger Strasse 110 D 7030 B biingan Wurtemberg Tek 070311 667 1 Telex 07265739 ton Hewiett Packard GmbH Technisches Blo D sseldort Emanuel eutza Stt 1 Seestan 24000 D sseldort Fek 0211 597 1 1 Telex 085 86 533 npdd d Hewlell Packard GmbH Technisches G ro Hamburg Kapsiadting 5 0 2000 Hamburg 60 Tei OAC 63804 t Telex 21 63 032 hpnh d Hewlett Packard GmbH Technisches B ro Hannover Am Grossmarkt 6 3606 Hannover 9 Tel 0511 45 60 01 Telex 092 3258 Hewlett Packard GmbH Technisches Sto N rnberg Neumeyerstrasse 90 0 8800 N rnberg Tet 0911 82 26 83 Telex 0623 B60 Hewiett Packard GmbH Technisches B ro M nchen Eschensirasse 5 D 502 Tautkirchen Fek 089 61
6. 200 us after being triggered the 3437A will sample and after conversion display the instantaneous value of the input voltage If the 3437A is addressed to talk the sampled input voltage will be output onto the HP IB ENIM E 10 t000 TIME ims e 3457 B 4754 TRIGGER Figure 1 2 NRDGS 1000 DELAY 1 ms 1 9 Figure 1 2 When triggered the 3437A will sample the input voltage 1000 times at 1 ms intervals Between samples the instantaneous value of the sampled input volt age is converted and output onto the HP IB 1 10 The Binary Program mode provides a means of programming the 34374 using an abreviated program code When interrogated in the Binary Program mode The 3437A responds by writing 7 bytes completely describing the programmed state of the instrument onto the HP IB The controller can use these 7 bytes as an abreviated program code to reprogram the 3437A to its previous configuration 1 11 Model 34374 applications include a Fast multipoint data acquisition b Repetitive waveform analysis c Low frequency transient characterization d Low frequency True RMS measurements 1 12 SPECIFICATIONS 1 13 Instrument specifications are listed in Table 1 1 These specifications are the performance standards or limits against which the instrument is tested Any change in the specifications due to manufacturing design or traceability to the U S National Bureau of Standards will be covered by revised pages
7. 259978 259958 Telex 8885 KALDIA GJ BANGLADESH The General lectric Co of Bangiadesh Lic Magnet House 72 Diikusha Commercial Area Motijheil Dacca 2 Ter 252415 252419 Telex 734 BELGIUM Hewletl Eech ad Beneiux S A IN V Avenue du Col Vert 1 iGitenk tasglaart B 1170 Brussels Tek 02 666 50 50 Telex 22 494 paioben bry te 22 2008 22 5821 Hewlett Packard do Brasi L t Lids v Epitecio Pessoa 4864 2247 1 Rlo de Janeiro R Tal 286 0237 Telex 02121905 HPBR BR CANADA ALBERTA Hewiett Psckard Canada Lid 116204 168th 87 Edmonton THA 3T9 Tei 403 452 3870 TWX 810 831 2431 Hewieti Packard Canada ttd 230 7220 fisher SI S E Calgary T2H 8 Tet 4603 3 TW 810 821 8141 BRITISH COLUMBIA Hewiett Packard Canada 10691 Sheibridoe Way Richmond V6X 7 Yel 1504 270 2277 TWX 510 925 5050 MANITOBA Hewlett Packard Canada Lid 380 550 Century 1 St James Winnipeg RGH OY t Tet 204 786 6701 PWX 610 67 1 353 t NOVA SCOTIA Hewletl Packard Canada Lid PO Box 031 800 Windma Road Dartmouth B3B 1 f Tei 902 468 7820 TWK 610 27 1 4482 ONTARIO Hewlett Packard Canada Ltd 1620 Morison Dr Ottawa KZH 7 Tek 1613 820 6483 TWX 610 563 1636 Hewielt Packard Canada Lid 6877 Goreway Drive Missisoaugs LAY M Tek 415 678 9430 TWX 6 10 492 4246 Hewiett Packard Canada Lid 552 Newbold Street London NG 5 Tei 519 686
8. BP 2308 Damascus Tel t8 367 19 597 14 8 Telex 11304 SATACO SY Cable BAWAH DAMASCUS Suenan Hilal Ei hawi P O Box 2528 Mamoun Bil Street 56 58 Damascus Tet 11 46 63 Telex t i270 Cable HIAL DAMASCUS TAIWAN Hewlet Packard Far East Lid Taiwan Branch Bank Tower Sih Floor 205 Tun Hau North Road Taipei Tet 02 751 0404 15 ines Hewiett Packard Far Essi Lid Taiwan Branch 58 2 Chung Cheng 3rd Road Ksohsiung Tet 07 2423 18 Kaohsiung Analytical Only San Kwang instruments Co bid 20 Yung Sui Road Taipei Tet 3615446 9 4 dines Telex 22894 SANKWANG TANZANIA Medical Only mematanga Agrado E SD Box 1 Dar 7 Tel 21251 Ext 265 Telex 44030 THAILAND UNIMESA Co Lid Eicom Research Building 2538 Sukxumvil Ave Bsngchak Bangkok Tet 39 32 3287 39 30 338 TRINIDAD A TOBAGO CARTEL Caribbean Telecoms Lid HU Box 732 69 Frederick Street Port ot Spain Tel 62 53068 TUNISIA Tunisie Electronique 3t Avenue de is Liberte Tunis Tet 280 144 Corema 1 let Ay de Carthage Tonia Tel 253 1 Telex 12319 CABAM TN TURKEY TEKNIM Company Ld 828 Sah Pehlevi Caddesi No 7 Kevakidere Ankara Tei 275800 Telex 42 155 Teknim Com Lid Barbaros Buivari 55 12 Besiyas tetanbut Tek 673 546 Telex 23540 EMA Muhendislik Koltektif Sirketi Medina Eidem Sokak 41 6 Y kset Caddes Ankara Ter 17 56 22 Yilmaz Ozyutek Mili Mudataa Cac 6 Kiz
9. U United iCinadorn J japan G Germany e Figure 1 3 Instrument Serial Number Table 1 3 Message Transfer Rates Listen 3 H Listen Handshake us Byte Commands ATN True Ct co Addressed to Listen ATL Addressed to Talk ATT 38 Group Execute Trigger GE T 160 Local Lockout LLO 37 Selected Device Clear SDC 124 Serial Polf Enable SPE 35 Serial Poll Disable SPD 36 Unlisten UNL 36 Untalk UNT 36 Program Code ATN False E Delay 100 un 92 0 64 j 1 69 2 74 i 3 79 4 84 5 89 6 94 Store 176 NRDGS 112 1 94 2 68 3 68 4 68 Store 112 Enab ROS 108 7 59 Store 90 ar E E EE EE Typical B initial C eubsequent maximum rate due to conversion timelzz240 us Listen Handshake us Byte Program Code ATN False Cont d Range 56 1 38 Range 56 2 89 Range 56 3 90 Trigger 56 1 97 Trigger 56 We 98 Trigger 56 3 90 Trigger o 56 3 74 Format 56 1 98 Format 56 2 99 Binary Prgm 83 ist Byte 95 2nd Byte 78 3rd Byte 66 4th Byte 75 5th Byte 42 Table 1 4 Message Transfer Rates Talk Handshake us Byte Data Formats ATN False ASCII 22 us Packed 20 us Rev A 1 3 Model 34374 Section II SECTION Ii INSTALLATION 2 1 INTRODUCTION 2 2 This section contains information and instructions pertaining to initial instrument set u
10. ay Ankata Tet 25 03 09 7 80 26 Telex 42576 OZEK TR UNITED ARAB EMIRATES Emgac Lid Head Otice P Box 1841 Sharjeh Te 35412 1 3 Telex 2136 Emilac Lid Branch Officel PG Box 27 t Abu Dhabi Tel 331370 1 UNITED KINGDOM Hewlett Packard Lid King Street Lane Winnereh Wokngham Berkshire RG11 5AR GB England Tek 0734 784774 Telex B 7 t 78 8 Hewlett Packard Ltd Fourier House 257 263 High Street London Colney St Aibane Herls GB England Tek 0727 24400 Telex 1 898527 16 Hewieil Packard Ltd Tralalgat House Navigation Road Aitrincham Cheshire WATE INU GB Engiand Tek 061 928 6422 Telex 668068 Hewipti Packard Lid Lygon Cour Hereward Rise Dudiey Road Haziecasowen West Midlands B62 0 GB England Tek 021 501 22 Telex 339105 Hewiett Packard Ltd Wedge House 799 London Road Thorntan Heath Sutiey CHA 6XL GB Engiand Tek 01 884 6 86 Telex 846825 Hewilet Pack atd Lid 14 Wesiey 5 Castietord Yorks WF tO tAE Tek 08771 550016 TWX 5557335 Hawiet Pack ard Lid Trad x Hause St Mary s Walk Maidenhead Berkshire SLE 1ST GB Engiand Hewiet Packard Lid Horley Acad Stapiehitt Bristol B816 49T GB Enoland Hewlett Packard id South Queensterry Wes Lolhian EH30 916 GB8 Scotland Tei 0331 331 1188 Teiex 72682 UNITED STATES ALABAMA TOO Carty Park Stale 8 Birtningham 35226 Tei 205 822 8802 HO Bax 4207 8280 Whitesburg Dr Huntsvitle 35
11. of Delay gt DO ms 110 ns NUMRBER OF READINGS For each trigger received From 0 to 9999 INPUT CHARACTERISTICS input impedance Range Impedance 10 Volt 1MQ 20 gt 75 pF Volt gt 10 a gt J5pF 1Voit gt 10 0 gt 75 Maximum input Voltage All ranges HI to LO lt t 30V Peak LO to CHASSIS lt 42V Peak PROGRAMMABILITY in accordance with IEEE 488 1975 AH1 Acceptor PPO Parallel Poll CQ Controller RL1 Remote Local 01 Device Clear SRA Service Request OT 4 Device Trigger SH1 Source L4 listener TS Talker COMMON MODE REJECTION RATIO 75 dB 1 kQ unbalance in low input lead at 60 Hz Display wili indicate overload if input is unterminated 1 volt range Table 1 2 Supplemental Characteristics MAXIMUM READING RATE ASCH 3600 Readings per second Packed 5700 Readings per second Actual reading rate is given by 3600 X 7 Byte Listen Rate ASCII SOUB Od ENTE SIRE a 3600 7 Byte Listen Rate packed 5700 X 2 Byte Listen Rate 5700 2 Byte Listen Rate Where Listen Rate Data acceptance rate of listener GENERAL Power Requirements 100 V 120 V 220 V 240 V 5 1096 48 440 Hz s 42 VA 2 Rev A Operating Temperature 0 0 to 50 C Storage Temperature 4090 t6 75 C Humidity Range gt 95 RH 0 C to 40 C Dimensions 212 7 mm wide x 88 9 mm high
12. programmed delay the 3437A samples the input voltage sometime between reoccuring sweeps Each time the 3437A samples the input voltage the Delay out connected to the oscilloscope Z axis input is forced low and intensifies the oscilloscope display for the time required to perform the conversion sequence 3 54 The user views the oscilloscope display then pro grams the 3437A delay to intensify the point of interest The amplitude of the waveform and the lapsed time from start of sweep to the leading edge of the intensified section is displayed by the 3437A Volts and Numeric entry displays Example a Connect the equipment as illustrated in Figure 3 2 b Program the 3437A keyboard as follows DELAYS SSUES 3 ms NRDOSC Sue quu usura att 1 RANGE bereet ESE 10 TRIGGER eed ee a ate EXT EUNCTION re eC Rs SQ RANGES c Ee 10 DIAD 4E On p 25 IC OPPSETT OFF OUTPUT LEVEL visas MIN d Set the oscilloscope controls as follows TIMED cose nce geen ns ms VOLTS DIV LL cc eee se 1 TRIGGER INTERNAL e Adjust the 3310A output level and the oscilloscope trigger and intensity levels to obtain a waveform as illustrat ed in Figure 3 3 f Program the 3437A Delay so that the intensified section appears at the point of interest then read the corresponding magnitude and delay displayed by the Volts and Numeric entry display Model 3437A Section HI OSCILLOSCOPE hp 4 FROM MAIN GATE OUTPUT T
13. rn ENAB ROS Om Data Format NRDGS 3 8 invalid 3 Volt 10 Volt 1 Voit Invalid internai External Hold Man Does not request service invalid Prgm Ignore Trig Invalid Prgm ignore Trig Data Ready Data Ready Invalid Pram Data Ready Ignore Trig Data Ready ignore Trig Invalid Prgm _ Packed ASCH MSD 25D 35D LSD Not Used May or may not be set MSD 25 33D 4SD 5S 65D LSD Model 3437A 2 The system controller programs the 3437A to the Binary Program mode e The 3437A is addressed to listen The controller handshakes the ASCH character B 102 into the 3437A The Binary Program annunciator is illuminated 3 The system controller interrogates the 34374 and the 3437A responds by handshaking 7 bytes completely describing the programmed state of the instrument onto the HP IB Table 3 7 The 34374 is addressed to talk When ATN becomes false the 3437A outputs the 7 bytes onto the HP IB The 3437A terminates the Binary Program mode after the 7th byte is output onto the HP IB Section HI 4 The controller stores the 7 bytes then when required reprograms the 3437A using the identical 7 bytes The 3437A responds by reconfiguring to its previous state The 3437A is addressed to listen e The controller handshakes the ASCII character B 1024 into the 3437A The Binary Program mode annunciator is illuminated The controller hand
14. 305 859 2900 HI Box 12826 Suite 5 Bldg 1 Office Park 583 Paseacoia 32575 Tel 1904 476 8422 110 South Hoover Bivd Suite 120 Tampa 33609 Tet B13 872 0900 GEORGIA P O Box 105005 450 inlerstate North Parkway Atlanta 30348 Tet 404 955 1500 THX 810 766 4890 Mecca Service Gniy Augusta 30903 Tei 404 736 0562 P C Box 2103 1172 N Davis Drive Warner Robins 31098 Tal 9 2 922 0449 HAWAI 2875 Sa King Street Honoluiu 96626 Tek 808 955 4455 ILLINOIS 211 Prospect Rd Stoormington 61701 Tel 309 663 0383 5201 ToRview Dr Rotting Meadows 60008 Te 312 255 8800 TWX 910 587 2260 INDIANA 7301 North Shadetand Ave Indianapolis 46250 Tel 317 842 0 TWX 819 260 1797 IOWA 2415 Heinz 666 iowa Clty 52240 Ter 318 357 1020 KENTUCKY 10570 Liner Station Road Suite 525 Louisville 10223 Tel 1502 426 0 106 LOUISIANA PO Box 1449 3229 39 Wiliams Boutevard Kenner 70062 Tal 504 443 820 MARYLAND 7321 Standard Drive Parkway Hndustral Center Henover 21076 Tel 301 796 7700 TWX 7 10 B52 1943 2 Choke Cherry Road Rockville 20850 Tet 301 948 6370 TWX 710 828 9684 MASSACHUSETTS 32 Hartwell Ave Lexington 3 Tel 617 861 8960 TWX 710 326 6904 MICHIGAN 23855 Research Drive Farmington Hiis 48024 Tei 313 476 6400 724 West Centre Ave Kalamazoo 40002 Tet 616 323 8362 MINNESOTA ZADO N Prior Ave St Paul 55113 Tet 612 536 0700
15. 5 Pre entry keys for DELAY NRDGS Number of readings 316 External trigger input connector and ENAB ROS request service mask 17 Fuse 6 Voitage range select keys 8 ore 18 Line cord receptacle 7 Trigger mode select keys f 1 19 Line voltage select switch 8 input connector je sed 20 HP IB connector 9 Numeric entry termination key stores contents of the numeric entry display 21 input connector Figure 3 1 3437A Front and Rear Panel Description Model 3437A alc Model 34374 program condition to occur The INVALID PGM annuncia tor remains on until the 3437A is readdressed to listen DELAY 3 15 el The DELAY key delay pre entry is used when entering either the delay between readings NRDGS gt 1 or the delay that occurs prior to sampling the input voltage after the 3437A is triggered NRDGS 1 EXAMPLE DELAY 1 Press de Ihe Numeric Entry mode is annunciated by the Flashing DELAY annunciator b The numeric entry display annunciated by SEC DELAY displays the previously stored delay 2 Press Any entry other than a decimal point leading zeros ignored results in an invalid program condition 3 Enter up to 7 integers corresponding to the specified delay additional inputs are ignored A partial sone field can be set to zeros by pressing 4 Terminate DELAY entry Numeric Entry mode by pressing N ROGS 0 The NRDGS key number of readings pre entry is used when entering the
16. ROS entry numeric entry STORE f 1 mode by pressing Table 3 1 SRO Conditions i ROS Mask Conditions for initiating SRO No SRO Capabilities Invalid Program Trigger 6 Trigger Ignore or invalid Program Data Ready Data Ready or invalid Program Data Ready or Trigger ignore Data Ready or Trigger Ignore or Invalid Program a invalid PGM b Trig ignore C Data Ready 0 17 1 06 iO v B e The three voltage ranges annunciated by the range mice keys are selected by pressing either the 2N GA key Each 9 49 3 18 RANGE range has 100 overrange capability The displayed decimal point position will not correspond to the selected voltage range until the 3437A has sampled the input voltage 3 3 section Il INT a Local With zero delay programmed the sample rate 15 approximately 10 samples per second b Remote To generate an internal trigger while in remote the following conditions must exist Remote internal Trigger Addressed to Talk Not in Binary Prgm Mode Not in Serial Pol Mode 6 Notin Numeric Entry 6 Gn qp OU bt ron With these conditions satisfied the 3437A will generate an intemal trigger on the transition of ATN false EXT The 3437A will sample the input voltage when triggered TTL negative edge at the external trigger input connector CAUTION i External trigger inputs exceeding TTL levels 0 to 5 V may cause damage to the 3437A
17. SWITCH JE DQ D be D4 D5 06 D7 ee To set the 3437 to TALK ONLY set switch A position 6 to t Figure 3 2 Address Select Designators 3 6 Switch and Address Code Table 3 4 3437A Program Code Summary PROGRAMMING CODES Program Code Octal ASCH Character Description Code Delay NRDGS ENAB ROS Store Range 1 voit voit 10 voits Trigger internal External Hold Man Format ASCH Packed Binary Prgm Program Code Handshake occurs with the i 3437A in Remote Addressed to Listen and ATN false Model 3437A 3 37 Message Set Bi directional traffic over the HP IB including program code is described in terms of messages The controller originated messages commands are describ ed in Table 3 5 and catagorized as follows 1 Addressed Directed to bus devices pre viously addressed to listen Directed to all bus devices capable of responding to the command 2 Universal EXAMPLE The system controller can configure the 34378 to its Section 111 initial turn on state by sending the universal command Device Clear DCL or the addressed command Selected Device Clear SDC 3 38 The 3437A originated messages allow the 3437A to communicate with the system controller and to participate in the handshake process involved in the data byte transfer process EXAMPLE The 34374 can advise the system controller that it require
18. 17 1 Telex 0524985 Hewlett Packard GmbH Technisches B ro Berlin Kaithstrasse 2 4 0 5000 Bertin 30 Tet 930 24 90 86 Telex 618 3408 hpb n d GREECE Kostas Karayannis B Omirou Street Athens 133 Tel 32 36 303 32 37 731 Telex 23 59 62 RAAR 8 SALES OFFICES Arranged alphabetically by country GUAM Guam Medical Supply c Suite C Airport Plaza P O Box 8947 Te muning 96911 Tet 648 4513 GUATEMALA Gustemeia City Tet 3186827 314786 8647 1 5 exi 9 Telex 4192 Teietro Gu HONG KOHG Hewlett Packard Hon Kong Lud tih Floor Fou Seas Dk 212 Nathan Rd Kowloon Tet 3 697448 5 lines Telex 36678 HX Medical Anatyscai Only Schmidt amp Co Hong Kong Ltd Wing On Centre 2Bth Floor Connaught Road C Hong Kong Tei 5 455644 Telex 74766 SCHMX HX INDIA Biye Star Ltd Sahas 414 2 Vit Savarkar Marg Prabhadgevi Bombay 400 025 Tek 45 78 87 Telex 011 7673 Blue Stat Lid amp and Box House Prabhadeyi Bombay 400 025 Tet 45 7301 Telex 011 3751 Hive Star Ltd Bhavdeep Sladium fosg Ahmedabad 380 014 Tel 43922 Telex 012 234 Blue Star Lid T Hare Skee Calcutta 700 001 Tet 23 013 Telex 021 7655 Blue Slar ttd Bhandari House 981 Nehr Place New Debt 116 024 Tei 882547 Telex 031 2463 Bae Star Lid T C 7 903 Poornima Marulhankuzti Trivandrum 695 013 Te 65790 Tekex 0884 239 Bk Star t id 11 Magarath Road Bangalore 560 C25 Tel 55668
19. 2663 hpbe e Hewieli Packard Espa ola SA Av Ram n y Cajal 1 Echficle Sevita planta 9 E Sevilia 5 Tet 84 44 54 58 HewiptI Packard Espa ia S A Edificio Abia E 7 B E Ritbao Tel 23 83 66 23 82 GB Hewlelt Packard Espa ola S A C Ramon Gordita 1 tEndo Vglencia Hi Tet 66 361 13 54 96 1 13 58 SR LANKA Metropolitan Agencies Lid 209 98 Union Place Colombo 2 Tet 35947 Telex 1377METROLTD CE SUDAN Radisson 56 P Box 921 Khartoum Ter 44048 Telex 375 SURINAM Sutter Radio Halland NN Grote Hatstr 3 5 P O Box 5 Paramaribo Tel 72118 77880 SWEDEN Hewlett Packard Sverige AB Enighetsv gen 3 Fach 5 161 Bromma 26 Tel 08 730 25 5C Telex 1072 Cable MEASUREMENTS Stockholtr Hewlett Packard Sverige AB Fr amp tallsgatan 30 5 401 32 V stra Fr lunda Fel 031 49 09 56 Telex 10721 via Bromma office SWITZERLANG Hewiett Packard Schweiz AG Zurcherstrasse 20 2 0 Box 307 CH 89852 Schileren Z rich Tei 01 7395240 Telex 53933 hpag ch Cable HPAG CH Hewlett Packard Schweiz AG Ch leau Gm t9 CH 1219 Le Lignon Geneva Tek i022 96 63 2 Telex 27333 hoag ch Cabie HEWPACKAG Geneva SALES OFFICES Arranged alphabetically by country cont SYRIA General lectroric inc Nuri Basha Ahnat Ebn Kays Stree P G Box 5781 Damascus fer 33 24 57 Telex 11215 PRK AL Cable ELECTROBOR DAMASCUS Medical ory Sawah amp Co Piace Azm
20. 36 1041 330 Progress Ru Dayton 45449 Tet 513 859 8202 OKLAHOMA PO Box 32008 6301 N Metidan Avenue Okiahome City 73112 Tel 405 72 1 0200 920 E 42nd Stree Suite 121 Tulsa 74145 Tei 1918 665 3300 OREGON 17890 5 W Lower Soones Ferty Road Tuntatin 97062 Tet 503 620 3350 PENNSYLVANIA BIR Avenue 02 King of Prussia ngusial Park King of Prussia 19408 Ted 2 th 265 7000 TWX 510 660 2670 111 Zeta Drive Pitteburgh 15236 Tet 412 742 6406 SOUTH CAROLINA 0 Box 6442 N Trenhoim Roac 0 Columbia 29266 Tet 1803 782 6493 TENNESSEE 8906 Kingston Pike Knoxville 37919 Tet 615 681 237 t 3070 Directors Row Directors Square Mormphia 3813 Tel 1901 348 8370 Nawhyilie Medical Servere Only Teh 815 244 5448 TEXAS 417 t North Mesa Suite C110 Et Paso 79962 Ter 815 533 3555 P O Bor 428 16 10535 Barwi St Houston 77036 Tek 7 131 776 6406 Lubbock Medicat Service Oniy Ter 806 798 4472 P O Box 0 201 E Arapaho Rd Richardson 75081 Tel 214 231 6101 205 Bily Mitchell Hoad San Antonio 78226 Tet 512 434 824 1 UTAH 2156 South 3270 West Street Sait Lake City 0899 Tel 80 972 4711 VIRGINIA PD Bax 9669 2914 Hungary Soring Road Richmond 23228 Tet 1804 285 3431 Computer Systems Mecical Only Airpori Executive Center Suite 302 5700 Thutsian Avenue Virginia Beach 23455 Tei 8043 460 247 1 WASHINGTON Br 1810 ice Pk 1203
21. 37409 hpes ok ECUADOR CYEDE Cia Ltda DOG Hox 6423 COI Ay Hoy Afaro 1749 Quito Tet 450 975 243 052 Telex 2548 CYEDE ED Metical Ony Hospiniar A Casia 3590 Robles 625 Quito Tel 545 250 EGYPT LEA international Engineering Associales 24 Hussein Hegazi Street Kas ei ini Cairo Ter 23 829 Tex S3830 SAMITRO Sari Amin Trading Office 18 Abdet Aziz Gawish Abdine Catro Tah 24932 EL SALVADOR PESA Buievar de los Heroes 11 48 Edificio Saran 1148 San Salvador Tet 252787 ETHIOPIA Abdela Apduimalik P O Box 2635 Addin Abeba Tet 11 93 40 FINLAND Hawietl Packard Oy Revonivienhe 7 SF 02100 Espoo 0 Tek 90 455 0211 Telex 121563 hewpa gf FRANCE Hawleli Packard France Zone d activites de Courtaboeuf Avenue des Tropiques Bolle Postale 6 8140 t Ornay C amp dex Tel 1 907 78 25 TWX SOQ0ABF Howletl Packard France Chemin des Moules BP f62 69130 culiy Tei 78 33 81 25 TWX 3106 17F Hewlett Packard France 20 Chemin de La C pire 31081 Toutouse iLa Miraii C dex Ter 81 40 11 12 Hewiett Packard France ie Ligures Pace fiom e de Viteseuve 13100 Aix en Provence Tet 42 59 41 02 FAK 7787 Hewietl Packard France 2 Alee de ia Bourgonetie 35100 Rennes Tei 1991 51 42 44 TWX 7409 12F Hevwielt Packard France 18 rue du Cant de la Marne 87300 ScHitigheim Tet 88 83 OB 10 TWX 89614 1F Hewlett Packard France inmeubie p ricentre
22. 802 Tet 205 881 4591 ARIZONA 2336 E Magnolia 1 Phoenix 85034 Tet 602 273 8006 2424 East Aragon Rd Tucson 85706 Tei 602 273 8000 ARKANSAS Medical Service Only PO Box 5646 Brady Stalion kittie Rock 72215 Tei 503 376 t844 CALIFORNIA 15798 W Shaw Ave Fresno 1 Ted 209 224 0882 1430 East Orangethorpe Ave FuHerton 92631 Tek 7 14 878 100 400 Wesi Rosecrans Bivd P O 8ox 92105 World Way Posial Centet tos Angeles 90009 Tet 213 970 7500 TWX 910 325 0608 South 3938 Lankershim Soutevard North Holywood 9 1604 Tai 2131 B77 1282 TWX 910 499 267 t 3200 Hi view Av Pato Alto CA 94304 Tel 408 988 7000 646 W Noth Markel Blvd Sacramento 95834 Tek 816 929 7222 9606 Aero Drive PO Box 23333 San Diego 32 123 Tet 714 279 3200 363 Brookholtow Dr Sante Ana CA 92705 Tek 7 34 641 0977 3003 Scott Bouievard Senta Ciaro 950506 Tet 408 988 7000 TWX 910 338 0518 454 Carlton Court So San Francisco 94080 Tel 1415 877 0772 Tel 213 705 3344 COLORADO 5600 DIC Parkway Eagiewood 80110 Tei 303 77 1 3455 CONNECTICUT 47 Barnes industrial Road Barnes Park South Wailingtord 06492 Tet 203 265 780 FLORIDA P O Box 24210 2727 WLW Bend Greet Ft Leuderdale 33309 Tel 1305 973 2600 4080 Woodcock Drive 4132 Brownell Budding Jacksonville 32207 Tei 804 398 0663 P O Box 13910 6177 Lake tenor Dr Oriando 32809 et
23. 9181 TWX 610 352 1201 QUEBEC Hewieti Packard Canada Ltd 275 Hymus Blvd s Pointe Ciaire HOR 167 Tet 514 897 4232 TWX 610 422 3022 FOR CANADIAN AREAS NOT LISTED Coniacl Hewlett Packard Can ada Ltd in Mississsuga CHILE Jorge Caicagni y Cia Ltda Arturo Burhie 065 Dasika 16475 Correo 9 Sant ago Tel 220222 Telex JCALCAGNI COLOMBIA instrumentaci n Henrik A Langebaek A Kier S A Carrera 7 No 48 75 Apartado A reo 6287 Bogot 1 D Tet 269 8877 44400 1 insirumentaci n HA Langebaek amp Kier S A Carrera 63 No 7 Apartado 54095 Medelin Tel 304475 COSTA RICA Cientitica Costaricense S A Avenida d Cale 5 San Pedto de Montes de Oca partado 16159 San Jos Tet 24 38 20 24 08 19 Teiex 2367 GALGUR CR CYPRUS Kypronice 19 Gregorios Xenopoutos Street PO Bor 1152 Nicogie Tet 95 Taiex 3018 CZECHOSLOVAKIA Hinwieti Pack ard D sch zesiupaetstvi v CSSA Plaemny styk Posl schranka 27 CS 118 01 Praha Ott CSSR Vyvojova a Ptovazni 75 Vyzkumnych Ustavu v Bechovicich CSSR 25007 Bechovice o Prehy Te 89 93 41 Telex 12133 tthe Medical Hops Vyskumey stay Lekarskei Bionik y Jectova A CS B8346 Bratisiave Kraimaro e 44 55 Telex 3229 DENMARK Hewlett Packard A S Datavej 52 DK 3A60 Birkerod Tet 02 81 66 40 Telex 37409 hpas ok Hewietl Packard A S Naverve 1 0K 8600 Slikeborg Tel 06 82 66 Telex
24. I is suppressed between the intermediate outputs and the data is delimited by a comma PACKED 3 22 5 Each data transfer is output as 2 binary bytes The second byte is concurrent with EO true EXAMPLES a Normal 3 24 volts 10 volt range 8 DIO l Ist Byte 1 0 1000 1 i 0 3 SD BCD 0 MSD Sign Bit Range Multiplier 2nd Byte 0 0 100 1 O O amp EOI 4 LSD BCD 2 3SD BCD b Overload 25 volts 10 volt range 8 DIO ist Byte 10 1 1 10 0 f 9 28D 1 MSD 9 is displayed 2ndByte 1 00 1 10 0 1 9 LSD 9 3SD For measurement data where NRDGS gt 1 EO is suppress ed between intermediate outputs and the data is not delimited EOI true is sent concurrent with the second data byte of the last data transfer Table 3 2 shows the packed format designators 3 23 LOCAL When the 3437A is in remote not local lockout pressing C returns the 3437A keyboard from remote HP IB controlled to local front panel controlled 3 24 Programming Instructions 3 25 The 3437A is a systems instrument intended to be used with the HP IB EEE STD 488 1975 or equivalent system The following paragraphs describe HP IB operation LE Model 3437A tst Table 3 2 Packed Format Designators DIO Function 7 6 5 4 3 2 1 Description Range Muitipiier 1 Valt Range 1 Volt Range 110 Volt Range Positive Sign b
25. MISSISSIPPI 322 N Mat Plaza Jackson 49206 Tet 601 882 9363 MISSOURI 11131 Colorado Ave Kanaas City 64137 Tet 816 763 8000 TWX 910 77 1 2087 1024 xecutive Parkway St Louis 41 Tel 314 878 0200 NEBRASKA Medicat Only 7 101 Mercy Road Suite 1 Omaha 88106 Tel 402 382 0948 NEVADA Las Vegas et 702 736 66 16 NEW JERSEY Crystal Brook Prolessionat Building foule 35 Eatontown 07724 Tek 2011 542 1384 W 190 Century Rd Paratus 07652 Tei 201 265 5000 TWX 716 990 495 NEW MEXICO PO Box 11634 Station E tt300 Lomas Blvd N Aibuquerque 87 122 Tei 505 292 1330 TWX 910 9BS 1185 156 Wyat Drive Las Cruces 88001 Tah 505 526 2484 TWX 819 9983 0450 NEW YORK 6 Automation Lane Computer Park Albany 12205 Tel 45 18 458 1550 TWX 7 130 444 4961 850 Permon Hill Office Park Fairport 14450 Ter 7 168 223 9956 TWX 510 253 0092 No t Pennsylvania Plaza 55th Flaor S4th Greet A 8th Avenue New York 1006 Tak 2 t2 97 t 0800 5858 East Molloy Road Syracuse 13211 Tet 315 455 2486 t Crosaways Park West Woodbury 11797 tet 518 921 0300 TWH 510 221 2183 Tet 1513 67 1 7400 NORTH CAROLINA 8605 Roanne Way Graensboro 27406 Tel 1819 852 1800 OHIO Medical Camputer Only 9920 Carver Road Cincinaatt 45242 Tel 4513 891 9870 15800 Sprague Road Clavetand 44 130 Tel 2 16 243 7300 TWX 810 422 9430 962 Crugper Ave Columbus 43229 Tel 614 4
26. O Z AXIS INPUT FUNCTION GENERATOR hp 3310A r0 Q VERTICAL AMPLIFIER Q hp 18014 0999 TIME BASE hp 1825A 50 2 TERMINATION hp 10100C BNC TO TRIAX i i i 3437 0 4780 Figure 3 2 Oscilloscope Accuracy Enhancement b Program the 3437A keyboard as follows INTENSIFIED P d SECTION DELAY 800 ns E EEN 0 RANGE 5 TRIGGER 1222 EXT Set the 3310A controls as follows iw ce z E e 3 EU Skee FUNCTION SQ RANGE oy eK 100 DAE vetito ce wa Rd 10 IX DPBSEL von ua x es OFF Figure 3 3 intensified Waveform OUTPUT LEVEL MINIMUM 3 55 Delay Generator 3 56 The 3437A can be programmed to delay an external d Set the oscilloscope controls as follows trigger from 0 to 9999999 sec in 100 ns steps TIME DIV 100 us Example VOLTS DIV A B 5 DC TRIGGER EXTERNAL a Connect the equipment as illustrated in Figure 3 4 3 11 Section HE FUNCTION GENERATOR hp 3310A Model 3437A SYSTEM VOLTMETER TO 3437A FROM T DELAY za aoe QUT FRIG e E 1 l oon LEILE OD Oe l OSCILLOSCOPE 1 806 VERTICAL AMPLIFIER TIME BASE hp 1801A SN ho 1825A DU EXT TRIG INPUT 3437 B 4779 Figure 3 4 Delay Generator e Adjust the 3310A output level and oscilloscope trigger level
27. OECTRMPOOLLEI OE EE MA SEE IIS TE LIVER VIAE 4827272400724 la 444 i Pod A mm py t mart mana U Ra UA TS AH RE rl rr Egeter T TRA rar a Ra ema eg Soa Sad j A D P 8972 Kv CT ROLE RA iiA ge hp 34 A s qus TENER R Spe 8 NI 1 Vi Es n og d ij 2j d 1 n E 5 A T 5 OPERAT MA NNUAL SYSTEM VOLTMETER 3437A STE 1 T PACK SAD ROS STATUS IL MEE sec DELAY 2 lt 1GNOR TRIO mun READINGS ER E I TRIGGER l LINE ON A LISTEN FALK REMOTE GFF 4 9 9 2 HEWLETT PACKARD fY Y O orn SE OPERATING MANUAL MODEL 3437A SYSTEM VOLTMETER Serial Numbers 1630A00101 and greater IMPORTANT NOTICE This manual applies to instruments with serial numbers indicated on this page If the instrument has been changed since this manual was printed a yellow Manual Change Sheet containing updating informa tion will be supplied with this manual To prevent potential fire or shock hazard do not expose equipment to rain or moisture Manual Part No 03437 90012 Revision A Copyright Hewlett Packard Company 1976 P O Box 301 Loveland Colorado 80537 U S A Pr
28. Tel 22170 Telex 4439 NASSER HOMANIA Hewietl Packard Bd n Balcescu 16 Bucuresti Tei 15 BO 23 13 88 85 Telex 10440 SAUDI ARABIA Modern Electronic Establishment Head Office P O Box 1228 Baghdadieh Skreet Jeddgh Tet 27 798 Teiex 40035 Cabie ELECTA JEDDAH Modern Electronic Establishment Branch DD Box 2728 Riyadh Tel 62506 66232 Telex 202049 Modem Electronic Establishment Branch HO Box 193 Ai Khobar Tei 44678 44813 Telex 670 136 Cabie L CTA At KHOBAR SINGAPORE Hewlett Packard Singapore Pie Ltd 6th Fieor Inchcape House 450 452 Alexandra Roed 20 Box 58 Aiexandta Post Office Singapore 5 Tet 631788 Teiex HPSG RS 21486 SOUTH AFRICA Hewiett Packard South Airice iPty Cid Privale Bag Wendywood Sanction Transvaal 2144 Hewlett Packard Centre Daphne Street Wendywoos Sandton 2144 Tai BG2 5 411 28 Telex 8 4782 Hewdetl Pack ard South Africa Die 3 LEG DO Box 120 Howard Piace Cape Province 7450 Pine Park Cenite forest Otive Pinelands Cape Province 7405 Tet 53 7955 thu 9 Teiex 57 0006 SPAIN Hevwaet Packard Espafiota SA Cape jerez 3 E Madrid 16 Tek 1 458 26 00 itO kes Telex 23515 hpe Hewlett Packard Espafioia S A Colonia Mirasierra Edificio Juban c o Casta Brava 13 Madrid 34 Hewiett Packard Espahola S A Milanasado 21 23 t Barceiona 17 Tel 31 203 6200 5 lines Telex 5
29. a byte of a multiple data byte transfer For further information concerning the HP IB refer to Hewlett Packard Interface A Compendium of Technical Articles hp publications No 35952 2472 3 34 HP IB Address Selection A seven bit binary code forms the complete TALK or LISTEN address of the 3437A The first five bits of the code selected by A2S1 are referred to as the instrument address The remaining two bits DIO 6 7 are controller originated and define the address to be either TALK or LISTEN The seven bit code forms as ASCII character Table 3 3 that uniquely defines the selected TALK or LISTEN address Figure 3 2 illus trates the address select switch and address code designators 3 35 Program Code Set Program code an alpha numeric code representing various instrument functions is used to control the front panel while the 3437A is in the remote mode of operation To implement the program code set Table 3 4 it is necessary for the 3437A to be in remote and addressed to listen 3 36 The 3437A front panel is designed to imply the program code set The underlined alpha characters repre sent the program code alpha symbol for the corresponding instrument function EXAMPLE The program code string D 0025S N100S EOS R3 T2 F1 reads j DELAY 2 5 ms 2 NRDGS 100 3 ENAB RQS 0 4 Range 10 Volts 5 Trigger External 6 Format ASCH It is not necessary to reprogram all functions each time a programming chan
30. a change sheet or both to this manual Addi i Seetion i Table 1 1 VOLTAGE MEASUREMENT CHARACTERISTICS Range Bandwidth dp Dispiay 10 Voit 1 0 MHz 19 98 max 99 99 lovrid Volt 1 1 MHz 1 998 9 999 Volt 40 kHz 1998 9999 Static Accuracy 90 days 23 C 5 C 10 Volt Range 0 05 of Reading 1 6 Digits 1 Volt Range 0 03 of Reading 1 6 Digits 1 Volt Range 0 06 of Reading t 1 8 Digits Static Accuracy 1 year 23 C 45 C 10 Voit Range 0 05 of Reading t 2 0 Digits 1 Voit Range 0 0396 of Reading 2 0 Digits 1 Volt Range 0 06 of Reading 2 2 Digits Static Accuracy Temperature Coefficient Q C to 50 C 0 00296 reading C 0 06 digits C Dynamic Accuracy mV within Range Step input Final Value Time 10 Voit 10 V 200 mV 700 ns 10 Volt 10 V t 30mV 7 5 us 1 Volt 1V t 20mV 700 ns 1 Volt 1V o mr 1 5 us 1 Volt 1 V 200 uV 25 us DELAY CHARACTERISTICS Delay For NRDGS equal to 0 or 1 to 9999999 sec in 100 ns steps For NRDGS gt 1 Data Format Delay between readings ASCH 277 8 us to 9999999 sec Packed 175 4 us to 9899999 sec Offset actual delay with O delay programmed 100 ns 25 ns Specifications Accuracy 0 00896 Delay Delay offset Repeatability Jitter For NRDGS equal to 0 or 1 Delay Jitter 0 or 100 ns 2 ns 200 ns to 50 ms 10 ns 002
31. ackaging the instrument for shipment If the original container is avail able place the instrument in the container with appropri Section I1 ate packing material and seal with strong tape or metal bands If the original container is not available proceed as follows a Wrap the instrument in heavy paper or plastic before placing in an inner container b Place packing material around all sides of the instru ment and protect panel face with cardboard strips or plastic foam c Place the instrument and inner container in a heavy carton and seal with strong tape or metal bands d Mark shipping container DELICATE INSTRU MENT FRAGILE etc NOTE If the instrument is to be shipped to Hewlett Packard for service or repair attach a tag to the instrument identifving the owner and indi cating the service or repair to be accomplished Include the model number and full serial number of the instrument In any correspond ence identify the instrument by model number and full serial number If you have any ques tions contact your nearest hp Sales and Service Office Model 3437A Section UI SECTION IHI OPERATING INSTRUCTIONS 3 1 INTRODUCTION 3 2 This section contains complete operating instructions both bench and system for the Model 3437A Systems Voltmeter Included is a description of the front and rear panel controls and indicators programming instructions and application examples 3 3 Con
32. amuel Lewis EdifiGo Alfa No 2 Ciudad de Panama Tet 54 2700 Teter 348303 Curundu Canal Zone PERU Compania Electro M dica 3 4 Las Flamencos 145 Sah isidro Casdla i030 Lima Tel 41 4325 Telex Pub Booth 25424 SISIiBRO PAXISTAN Mushko amp Company Ltd Gosman Chambers Abcuiah Haroon Road Karachi Tet 531027 7 Telex 2894 L 0 Mushke amp Company bid 10 Bazar Rd Sector G 5 4 telamabacd Tet 28264 PHILIPPINES The Onane Advanced Syslemns Corporation Rico House Amorsolo cor Herrera Str Legaspi Village Makati DO Box 1510 Metro Manila Tek 85 35 81 85 34 81 85 32 21 Tetex 3274 ONLINE RHODESIA Field Technical Sales 45 Kelvin Road North P O Box 3458 Salisbury Tet 705231 5 lines Telex RH 4122 POLAND Biwo informaci Techmezney Hewlett Packard Ul Stawki 2 8P PLDO 950 Warszawa Tet 39 59 62 38 51 87 Tetex 81 24 53 PORTUGAL Felectra Empresa T cruca de quipamentas El ctricos Sarl Hua Rodrigo da Fonseca 103 PO Box 2531 P Lisbon 1 Tek 19 68 60 72 Telex 12598 Medical Ohly Mundinter triercamtio Mundial de GCom rcio 1 P O Box 2761 Avenida Antonio Augusta de Aguiar 138 P Lisbon Tek f9 53 2t 7 Telex t6691 runter p PUERTO RICO Hewletl Packard inter Americas Puerta fico amp tanch Office Cate 272 203 Utb Counity Cub Caroiina 00530 Tek 809 782 7255 Telex 345 4 QATAR Nasser Trading amp Coniracting P O Box 3 Doha
33. converted displayed and is ready to be output onto the HP IB The DATA READY annunciator remains on until the measurement data has been output onto the HP IB or until a new function is programmed 3 13 ignore Trig The IGNORE TRIG annunciator notifies the operator that a second trigger occured prior to completion of the measurement sequence data transfer initiated by the first trigger and that the second trigger was ignored The IGNORE TRIG annunciator remains on until a new function is programmed 3 14 Invalid Prgm The INVALID PRGM annunciator notifies the operator that an invalid program condition has occurred The annunciator becomes illuminated during the Remote and Local modes of operation for the following reasons LOCAL a DELAY 0 9999999 The first entry into the delay field must be a decimal point Any entry other than a decimal point leading zeros ignored results in an invalid program condition When this occurs the last valid delay entry is stored and the numeric entry mode is terminated The INVALID PGM annunciator remains on until the key causing the invalid entry is released b NRDGS 0 9999 A decimal point entry into the number of readings field resuits in an invalid program cond ition When this occurs the last valid NRDGS entry is stored and the numeric entry mode is terminated The INVALID PGM annunciator remains on until the key causing the invalid entry is released c ENAB RQS 0 7 Any
34. enever a talk address is put on the data lines while ATN is true all other talkers are automatically unaddressed 3 31 Information is transmitted on the data lines under sequential control of the three handshake lines No step in the sequence can be initiated until the previous step is com pleted Information transfer can proceed as fast as devices can respond but no faster than allowed by the slowest device presently addressed This permits several devices to receive the same message byte concurrently 3 32 The ATN line is one of the five control lines When ATN is true addresses and commands are transmitted on seven of the data lines using the ASCII code When ATN is Section IH false any code of 8 bits or less understood by both talker and listener s may be used 3 33 The other control lines are IFC REN SRQ and EOL IFC interface clear places the interface system in a known quiescent state the 3437A becomes unaddressed to listen unaddressed to talk and the serial poll mode SPM is cleared REN remote enable is used in conjunction with listen addresses to select either local or remote control of each device Any device having service request capability can set service request SRQ true This indicates to the system controller that a device on the bus requires atten tion EOI end or identify is used by a device to indicate the end of a multiple byte transfer the 34374 sets EOI true concurrent with the last dat
35. entry other than 0 7 results in an invalid program condition When this occurs the last valid ENAB RQS entry is stored and the numeric entry mode is terminated The INVALID PGM annuncia tor remains on until the key causing the invalid entry is released d STORE If the 1988 key is pressed while the keyboard is not in the Numeric Entry mode an invalid program condition occurs The INVALID PGM annun ciator remains on until the key causing the invalid entry is released REMOTE An invalid entry while in the Numeric Entry mode or the use of an invalid program code will result in an invalid 3 1 section HI tad BINARY nec ay N RDGS ENAB ROS PROM 2d PSEC DELAY ei ENAB BOS et TRIGGER FORMAT S A LISTEN TALK REMOTE d Hawer 2950mAT 5ODmAT a A a Sh COPD RUN EE QA o nnes deed atic fte eel ASTE RC XR ns ri v E Wains EE 1 Annunciated instrument status service request SRO wiil 10 Output data format select keys be set if ROS STATUS and ENAB ROS numeric entry dis play correspond 2 Voits display Displays the sign and magnitude of the sam 12 Annunciated HP 1B status pied input voltage 13 3 Numeric entry display Displays DELAY NRDGS and ENAB RQS entries 11 Keyboard return to local Line switch 14 Fan 4 Binary program mode annunciator T9 Delayed trigger output connector
36. er ations 4 3 DESCRIPTION 1 4 The Model 3437A is a Microprocessor controlled 3 digit successive approximation system voltmeter capable of sampling voltages at rates up to 5700 samples per second 1 5 Chassis isolated input terminals a wideband input amplifier auto zero auto polarity sample and hold and 100 overrange on each of the input voltage ranges 1 volt voit and 10 volts provide floating measurement capa bility 20 V over the frequency range of DC through 1 0 MHz 1 6 Hewlett Packard Interface Bus is standard All front panel functions are programmable The output data format is selectable between an ASCII 8 byte and Packed 2 byte format The packed data format allows the controller additional data storage as well as allowing the input voltage to be sampled at rates up to 5700 samples per second 1 7 The 3437 digital delay logic is capable of delaying an external trigger from O to 1 second 100 ns steps and of generating up to 9999 triggers for each trigger received at rates of 1 Hz through 5700 Hz The internally generated triggers provide a burst sampling capability up to 9999 samples at a maximum rate of 5700 sampled per second Figures 1 1 and 1 2 illustrate the delayed measurement and burst sampling capabilites of the 34374 iNPUT VOLTAGE SAMPLE POINT 106 206 TIME us ze 3437 68 4754 TRIGGER Figure 1 1 NRDGS 1 DELAY 200 us 1 8 Figure 1 1
37. es 2 8 Figure 2 2 illustrates the various hp power cord configurations If the appropriate power cord is not included with the instrument notify the nearest hp Sales and Service Office and a replacement cord will be provided 8120 9 8120 1489 UL LISTED FOR USE IN THE UNITED STATES OF AMERICA Figure 2 2 hp Power Cords 2 9 Grounding Requirements 2 10 To protect operating personnel the National Elec trical Manufacturers Association NEMA recommends that the instrument panel and cabinet be gro nded The Modei 3437A is equipped with a three conductor power cable which when plugged into an appropriate receptacle grounds the instrument The offset pin on the power cable is the ground wire 2 11 To preserve the protection feature when operating from a two contact outlet use a three prong to two prong adapter and connect the green pigtail on the adapter to power line ground 2 12 ENVIRONMENTAL REQUIREMENTS 2 13 The 3437A should not be operated where the ambient temperature exceeds O C to 50 C or stored where the ambient temperature exceeds 40 C to 75 C 2 14 Humidity 2 15 The instrument may be operated in environments with relative humidity of up to 9596 However the instru ment must be protected from temperature extremes which cause condensation within the instrument 21 Section 2 16 Altitude 2 17 The instrument may be operated at altitudes up to 4573 meters 15 000
38. es the 3437A as the instrument that set SRG True 1 0 True and 0 amp False Not Used Don t care See Table 3 6 3 47 APPLICATIONS 3 48 Introduction 3 49 The 3437A although designed as a System DVM is capable of performing numerous bench stand alone as well as systems functions The following paragraphs describe some 3437A bench applications 3 50 Bench Measurements 3 51 Variable Sample Rate DVM a The 3437A can be programmed to sample voltages at rates of 100 ms to 1 second Program the 3437A keyboard as follows DELAY vues 100 ms to 9999999 second NRDCO Eos cos Sosa Wap a eh ASE ee 1 RANGE 23a Y Eod EARS As required 1 INT b The 3437A will sample and display the instantan ous value of the input voltage at a rate specified by the programmed delay 3 10 Modei 3437A 3 52 Time Selective DVM 3 53 Oscilloscope Accuracy Enhancement Oscilloscope measurement accuracy can be enhanced to equal the volt age and delay accuracy of the 3437A The technique requires that the oscilloscope main gate output corre sponding to start of sweep externally trigger the 34374 and that the 3437A Delay out modulate the oscilloscope Z axis video input The voltage to be measured is con nected to both the oscilloscope and 3437A inputs Each time the oscilloscope is triggered the oscilloscope main gate output triggers the 3437A and depending upon the
39. feet WARNING To prevent potential electrical or fire hazard do not expose equipment to rain or moisture Model 3437 2 18 INSTRUMENT MOUNTING 2 19 The Model 34374 is shipped with plastic feet and tilt stand in place ready for use as a bench instrument The front of the instrument may be elevated for convenience of operating and viewing by extending the tilt stand The plastic feet are shaped to permit placing the instrument on top of other half module Hewlett Packard instruments 2 20 Rack Mounting 2 21 The Model 3437A is housed in a hp standard e HP IB CONNECTOR J12 CHASSIS OUTGUARD GROUND DIO DiO2 BIOs DIOA EO DAV NRFD NOAC IFC DIO 1 8 Data Input Output Mnemonic referring to the eight Data input Output lines The DIO lines transfer messages in a byte serial bit paraliai manner EOI End or Identify Mnemonic referring to the End or Identify control line EOI is used by a device to indicate the end of a multipie byte transfer DAV Data Valid Mnemonic referring to the Data Valid control line DAV is used to coordinate the handshake sequence The DAV line is controlled by the source talker When DAV is true data on the DIO lines is considered valid NRFD Not Ready For Data Mnemonic referring to the Ready For Data control line NRFD is used to coordinate the handshake sequence The NRFD line is controlled by the acceptor listener When NRFD i
40. ge is made The order of program code and the use of commas is optional 3 5 Section HI ASCH CODE CHARACTER 52 Leem Listen Talk A5 A4 AZ A2 At Listen Talk DECIMAL Address Address ho de by bj b EQUIVALENT SP 0 0 0 0 0 040 100 0 A 0 O0 0 0 1 041 101 1 0 8 0 0 Q 1 0 042 102 97 C 0 6 0 1l 1 043 103 3 D 0 0 t 0 0 044 104 4 E 0 0 10 1 045 5 amp F 0 0 1 1 0 6 i G 0 0 1 1 1 047 7 3 H 0 1 0 0 0 8 Q 1 0 0 1 9 0 1 0 1 0 K 0 1 0 1 1 L 0 1 1 0 0 M 0 1 1 0 1 N 0 1 1 1 0 0 0 1 1 1 1 0 P 1 0 0 0 0 1 0 1 0 0 0 1 2 R 1 0 0 1 0 3 5 1 o 0 1 1 4 T 1 0 1 0 0 5 U 1 0 1 0 1 68 V 1 0 1 1 0 7 W 1 Q 1 1 1 8 x 1 1 0 0 0 9 Y 1 1 0 0 1 2 1 1 0 1 0 1 1 1 0 1 1 lt 1 1 1 0 0 5 1 1 1 0 1 s 2 1 1 1 1 0 lTonty the first five bits of the binary code are listed These bits set by A257 are the same for both the TALK and LISTEN address Model 3437 A Table 3 3 Address Codes The sixth and seventh bits controlter originated determine whether the instrument is being addressed to TALK or LISTEN Function Bit 23437A factory preset address JDerived from the sum of the binary weighted value of the first five address bits 1 To select address 24 decimal equivalent set switch positions A 1 A5 as follows AS A1 11000 16 8 24 16 8 4 2 1 Binary weight 40 TALK ONLY MAMA eo ill i 1 1 UL R5 HPIB ADDRESS SELECT
41. instrument in accordance with IEBE 488 1975 is as follows SHi Source RLI Remote Local AHI Acceptor PPO Parallel Poll T5 Talker DC Device Clear L4 Listener DII Device Trigger SR1 Service Request CO Controller 3 40 Binary Program 3 4 Binary Programming consisting of a learn mode 3437A to controller and a program mode controller to 34374 provides the following programming capabilities 3 42 Learn The learn mode allows the system controller to determine learn the programmed state of the 34374 When interrogated in the learn mode the 3437A responds by handshaking 7 bytes completely describing the pro grammed state of the instrument onto the HP IB The controller aware of the programmed state of the instru Model 3437 A ment identifies the 7 bytes with this programmed state Table 3 6 3 43 Program The program mode allows the system con troller to program the 3437A using an abreviated program code identical 7 bytes received in the learn mode Since an abbreviated program code is used compared to the normal ASCH string of up to 25 bytes to accomplish the same function the 3437A can be reprogrammed in a minimum amount of time 3 44 The following example illustrates Binary Program mode operation EXAMPLE 1 The 34374 is preset as follows DELAY 500 us NRDGS 9999 ENAB ROS 2 RANGE 10 Volt TRIGGER External FORMAT ASCII Table 3 6 Binary Program Code Designators I Trigger
42. inted December 1978 D Hi Gg HEWLETT FE PACKARD CERTIFICATION Hewlett Packard Company certifies that this product met its published specifications at the time of shipment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States Na tional Bureau of Standards to the extent allowed by the Bureau s calibration facility and to the calibration facilities of other International Standards Organization members WARRANTY This Hewlett Packard product is warranted against defects in material and workmanship for a period of one year from date of shipment except that in the case of certain components listed in Section I of this manual the warranty shall be for the specified period During the warranty period Hewlett Packard Company will at its option either repair or replace products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by hp Buyer shall prepay shipping charges to hp and hp shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to hp from another country Hewlett Packard warrants that its software and firmware designated by hp for use with an instrument will execute its programming instructions when properly installed on that instrument Hewlett Packard does not warrant that
43. it Negative MSD Numeric Value of 2 Sampied 3 SD input Voltage LSD 3 26 The HP IB transfers messages data and commands between the components of an instrumentation system on 16 signal lines The interface functions for each system component are performed within the component so that only passive cabling is needed to connect the system The cables connect all instruments controllers and other com ponents of the system in parallel 3 27 Eight of the lines DIO 1 8 are reserved for the transfer of messages in a byte serial bit parallel manner Message transfer is asynchronous coordinated by the three handshake lines DAV NRFD and NDAC The remaining five lines are for control of HP IB activity 3 28 Devices connected to the HP IB may be talkers listeners or controllers The controller dictates the roll of each of the other devices by setting the ATN attention line true and sending talk or listen addresses on the data lines DIO 1 8 3 29 Addresses are set into each device at the time of system configuration The 3437A HP IB address select switch is located on the Logic board While the ATN line is true all devices must listen to the data lines When ATN is false only devices that have been addressed will actively send or receive data All other devices ignore the data lines 3 30 Several listeners can be active simultaneously but only one talker can be active at a time Wh
44. llanou GR Kifissia Athens Greece Tel 8080359 420 Telex 21 5585 Cable HEWPACKSA Athens SOCIALIST COUNTRIES NOT SHOWN PLEASE CONTACT Hewlett Packard Ges mi H Handeiska 52 PG Bon A 1205 Vienna 2 Fel 10222 35 16 2110 27 Sable HEWPAK Vienna Telex 75923 hewpak a OTHER AREAS LISTED CONTACT intercontnentat 3485 Deer Creek Road Pelo Alto Casfornia 94304 fel i415 8568 1561 TWX 910 373 1267 Cable HEWPACK Palo Telex 034 8306 034 8499 Hewlett Packard S A 7 tHe du Bos du Lan PD Box CH 1217 Meyi 2 Geneva Switzerland Tet 022 62 70 OO Tabie HEWPACKSA Geneva Telex 2 24 B6 NOT Service Only 2 18 80
45. number of readings to be taken after the 3437A is triggered EXAMPLE N RDGS 1 Press fe a The Numeric Entry mode is annunciated by the Flashing NRDGS annunciator b The numeric entry display annunciated by NUM READINGS displays the previously stored number of readings 2 Enter a 4 digit integer 0 9999 corresponding to the number of readings to be taken after the 34374 is triggered If a decimal point is enter ed into the number of readings field an invalid program condition results Additional entries into a completed NRDGS field cause previous entries to be shifted left 3 Terminate NRDGS entry Numeric Entry mode by pressing S i Section HI ENAB ROS 3 17 fe The ENAB RQS key enable request pre entry is used when entering the request service mask The request service mask is an octal number 0 7 identifying the conditions for which service request SRQ is initiated Table 3 1 shows the request service mask and corresponding conditions for which the 3437A will initiate a service request EXAMPLE ENAB RQS Press de a The Numeric Entry mode is annunciated by the Flashing ENAB ROS annunciator b The numeric entry display annunciated by ENAB RQS displays the previously stored request service mask 2 Enter the request service mask 0 7 An invalid entry results in an invalid program condition to occur Additional entries override previous entries 3 Terminate ENAB
46. ow noise or noiseless clean ground earth terminal Used for a signal common as well as providing protection against electrical shock in case of a fault A terminal marked with this symbol must be connected to ground in the manner described in the installation operating manual and before operating the equipment Frame or chassis terminal A connection to the frame chassis of the equipment which normally includes all exposed metal struc tures Alternating current power line Direct current power line Alternating or direct current power line amp The WARNING sign denotes a hazard It calls attention to a pro cedure practice condition or the like which if not correctly per formed or adhered to could result in injury or death to personnel The CAUTION sign denotes a hazard It calls attention to an operating procedure practice condition or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product The NOTE sign denotes important information It calls attention to procedure practice condition or the like which is essential to highlight Model 3437A Section 1 SECTION GENERAL INFORMATION 1 1 INTRODUCTION 1 2 This section contains general information concerning the hp Model 3437A System DVM Included is an instru ment description specifications information concerning instrument and accessory information and safety consid
47. p Included are initial inspection procedures power and grounding requirements environmental information bench and rack mounting instructions a description of interface connectors and repackaging instructions 2 3 INITIAL INSPECTION 2 4 This instrument was carefully inspected both mechani cally and electrically before shipment It should be free of mars or scratches and in perfect electrical order upon receipt To confirm this the instrument should be inspect ed for physical damage that might have occurred in transit and the electrical performance should be tested using the performance tests outlined in Section V If there is damage or deficiency refer to the warranty inside the front cover of this manual 2 5 POWER REQUIREMENTS 2 6 This instrument can be operated from ac line voltages of 100 V 120 V 220 V 240 V at corresponding line frequencies of 48 through 440 Hz Verify that the 110 V 220V Line Voltage Selection switch Figure 2 1 located on the rear panel of Model 3437A is set to the ac source voltage to be used before inserting the power cord and turning the instrument on Also insure that the proper fuse is installed 100 V VOLTAGE SELECT 220 V 240 V LINE VOLTAGE VOLTS OPERATING RANGE IVOLTS FUSE mA 100 90 105 500 120 108 126 500 220 198 231 250 240 218 252 250 3437 B 4755 f SELECTED FOR 120V Figure 2 1 Line Voltage Selection 2 7 Power Cords and Receptacl
48. plitude Characteristics Rev A 3 ei 16 ARGENTINA Hewieti Packerd Argentina S A Sea Fe 2035 Laser 6140 Buenos Aires Tei 792 1239 798 6008 Telex 122443 AR OGY Biotron Ly M Avda Paseo Colon 1 9 peo 1390 Buonce Greg Tet 30 4048 185 1 8384 34 9356 0400 455 Telex 33 17595 BIO AR AUSTRALIA AUSTRALIA CAPITAL TERR Hewlett Packard Austaiia Pty itd 121 Wokongong Streel Fyshwick 2609 Tei 804244 Telex 62650 NEW SOUTH WALES Hewhett Packard Australia Pty Lg 31 Bridge Street Pymble 2073 Tet 4496566 Telex 21561 QUEENSLAND Hewlett Packard Ausirala Pty Lid 5th Floor Teachers Union Buli ng 495 499 Boundary Stree Spring HIH 4800 Tei 220 1544 SOUTH AUSTRALIA Hewielt Packarg Australia Ply Lid 153 Greenhil Road Parkside 5063 Tei 2725811 Telex B2536 VICTORIA Hewlett Packard Australia Piy Lid 31 4 Joseph Steel Bisckburn 3130 Tet 80 635 Tex 31024 MELB WESTERN AUSTRALIA Hewiett Packatd Australe Pty Lg t4 t String Highway Nadiands 6009 Tet 3865455 Telex 93859 AUSTRIA Hewielt Packard Ges mbH Wehiistigsse 29 PO Box 7 A 1205 Vienne Tel 35 16 2 0 Telex 6568 Hewietl Packard Ges m b H Wohlistrasse 29 A 1205 Wien Tet 35 16 2 Telex 886 BAHARIN Medical ONY Wael Pharmacy P O Box 548 Bahrein Tei 54886 56123 Telex 8550 WAEL GJ A Hamidiya Trading and Contracting P O Box 20074 Manama Tet
49. rendering first aid and resuscitation is present DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT Because of the danger of introducing additional hazards do not install substitute parts or per form any unauthorized modification to the instrument Return the instrument to a Hewlett Packard Sales and Service Office for service and repair to ensure that safety features are main tained DANGEROUS PROCEDURE WARNINGS Warnings such as the example below precede potentially dangerous procedures throughout this manual Instructions contained in the warnings must be followed _ WARNING Dangerous voltages capable of causing death are present in this instrument Use ex treme caution when handling testing and adjusting is 2 H DW S 6 Ke SAFETY SYMBOLS General Definitions of Safety Symbols Used On Equipment or In Manuals gt if gt 4 WARNING NOTE Instruction manual symbol the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect against damage to the instrument Indicates dangerous voltag terminals fed from the interior by voltage exceeding 1000 volts must be so marked Protective conductor terminal For protection against electrical shock in case of a fault Used with field wiring terminals to in dicate the terminal which must be connected to ground before operating equipment L
50. s service by sending the service request SRQ message Table 3 5 3437A Message Set Summary Sheet Octal Class Code DCL Device Clear Selected Device Clear Group Execute Trigger Go to Local Local lockout My Listen Address My Talk Address Unlisten Untalk Serial Poli Enable Serial Poll Disable Interface Ciear Remote Enable TAH multiline DIO 1 8 messages are sent with ATN true 7 Universal command 2 Addressed command Fam 3 instrument Response The 3437A configures to its initial turn on state Volts display sampled input voltage Numeric entry display SEC DELAY ROS STATUS DATA READY DELAY 0 NRDGS 1 ENAB ROS 0 RANGE 10 volts TRIGGER INT FORMAT ASCH if addressed the 3437A configures to its turn on state Is triggered regardless of trigger mode Returns the 3437A from remote HP IB Controlied to local front panel controtied Disables the Local Key From LLO to GTL to TREN Remains in LLO From LLO to FREN to TREN Exits LLO Becomes addressed to listen Becomes addressed to talk Becomes unaddressed to listen Becomes unaddressed to talk Configures the 3437A into the serial poll mode Exits serial poll mode Unaddress the 34374 as a talker and as a listener and clears serial poli mode Programs the 3437A to remote concurrent with MLA Returns the 3437A to focal section Ili 3 39 The capability of the 34374 as a systems
51. s true the acceptor indicates to the source that he is ready to accept data NDAC Data Not Accepted Mnemonic referring to the Data Accepted control line NDAC is used to coordinate the handshake sequence The NDAC line is controlied by the acceptor listener When NDAC is true the acceptor indicates to the source that the data on the DIO lines has been accepted Dios REN SRQ ATN Mating Connector hp Part No 1251 0293 Amphenot No 57 30240 Mating Cables i0631A 3 ft 10631B 6 ft 106316 1 a 3 d Ut the source that the data on the DIO lines has been accepted IFC Interface Clear Mnemonic referring to the Interface Clear control line IFC is used to place the HP IB system in a known guies cent state The IFC fine is controled by the system controiler SRQ Service Request Mnemonic referring to the Service Request control line SRQ is used by any device having service request capability to indicate to the system controller that the device requires service The controller responds by polling the devices to determine which device requested service ATN Attention Mnemonic referring to the Attention control Hine The state of the ATN line determines whether the HP IB is in the Command mode ATN true or the Data mode ATN false When ATN is true all devices must listen to the data lines and when ATN is false only devices that have been addressed will actively
52. shakes the 7 bytes into the 3437A reconfiguring the instrument to its previous state The 3437A terminates the Binary Program mode after the 3437A handshakes the 7th byte 3 45 Service Request 3 46 The following events describe the process involving service request SRQ serial poll enable SPE and serial poll disable SPD Table 3 7 Binary Program Byte Sequence Example Range 10 Volt Trigger External ENAB ROS 2 Data Format ASCII 1 0 3 uu Mm NRDGS 100 1 Hu ncm NRDGS 25D 9 MSD Loi LSD 9 3SD 9 Delay MSD 0 Not Used May or may not be set Delay 3SD 0 Delay Delay Delay Delay Delay 28D 0 3 9 AS ds m Section ITI a The 3437A operator defines and programs the service request mask ENAB RQS b The 3437A sets SRQ true when ENAB ROS 0 7 and ROS STATUS 0 7 correspond c The controller programmed to respond to a service request sets SPE true and conducts a serial poll When the 3437A is in the serial poll mode and is addressed to talk the 3437A responds by writing a serial poll status byte onto the HP IB Table 3 8 When the serial poll status byte is output onto the HP IB the 3437A clears SRQ d The controller clears SPE by sending SPD Table 3 8 Serial Poll Status Byte DIO Function 8 7 0 5 43 72 1 Description ENAB 85 X X X Binary Code 0 7 ROS STATUS Binary Code 0 7 ROS Bit identifi
53. the operation of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resuiting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED HEWLETT PACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HEWLETT PACKARD SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSE QUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY ASSISTANCE Product maintenance agreements and other customer assistance agreements are available for Hewlett Packard products For any assistance contact your nearest Hewlett Packard Sales and Service Office Addresses are provided at the back of this manual 10 1 79 HEWLETT D Packano SAFETY SUMMARY The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of
54. the instrument Hewlett Packard Company assumes no liability for the customer s failure to comply with these requirements This is a Safety Class 1 instrument GROUND THE INSTRUMENT To minimize shock hazard the instrument chassis and cabinet must be connected to an elec trical ground The instrument is equipped with a three conductor ac power cable The power cable must either be plugged into an approved three contact electrical outlet or used with a three contact to two contact adapter with the grounding wire green firmly connected to an electrical ground safety ground at the power outlet The power jack and mating plug of the power cable meet International Electrotechnical Commission IEC safety standards DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Operating personnel must not remove instrument covers Component replacement and internal adjustments must be made by qualified maintenance personnel Do not replace components with power cable connected Under certain conditions dangerous voltages may exist even with the power cable removed To avoid injuries always disconnect power and discharge circuits before touching them DO NOT SERVICE 08 ADJUST ALONE Do not attempt internal service or adjustment unless another person capable of
55. to obtain a display as illustrated in Figure 3 5 Assure that the 3310A output is of sufficient amplitude to trigger the 3437A Figure 3 5 Delayed Output 3 57 Trigger Generator 3 58 The 3437A can be programmed to function as a trigger generator or as a burst trigger generator up to 9999 triggers per burst 3 59 Trigger Generator Program the 3437A keyboard as follows DELAT EE 0 Wl RE EE 1 TRIGGER See Ke INT a The Delay out waveform is illustrated in Figure 3 6 Figure 3 6 Delay Out Waveform b The 3437A Delay can be programmed from 0 to 9999999 second 100 ns step to provide continuous triggers at rates from 10 Hz to 1 Hz 3 60 Surst Trigger Generator Program the 3437A keyboard as follows BELA end dote hd 500 us SROS acy expe ba 0 TRIGGER SSG os EXT INT a For each trigger received the 3437A will generate a burst of triggers 5000 at a 2000 Hz 1 500 us rate Figure 3 7 Maximum Rate 9 kHz Model 3437A Section II EXTERNAL TRIGGER TRIGGER CONSIDERATIONS MINIMUM PULSE WIDTH 30 ns MAXIMUM REPETITION RATE 5700 pps MINIMUM PULSE AMPLITUDE TTL neg edge DELAY QUT EXTERNAL TRIGGER INPUT Z x 10K 0 bh ael ti ULP e 2 3 Figure 3 7 Burst Mode Delay Out 3 81 System Measurements Low Frequency True RMS Measurements Transient Characterization Systems Applications include Waveform Analysis Harmonic Content Am
56. transfer data REN Remote Enable Mnemonic referring to the Remote Enable control fine REN is used in conjunction with listen addresses DIO 1 8 to select either local or remote control of each device For further information concerning the HP IB refer to Hewlett Packard Interface A Compendium of Technical Articles hp publications No 5952 2472 Figure 2 3 Hewlett Packard interface Bus Connector HS Tae Model 74 module System II enclosure Refer to the hp catalog for rack mounting accessories 2 22 Interface Connectors 2 23 Input The voltage to be measured is applied to either the front or rear panel mounted parallel connected triax connector labeled INPUT 2 24 Ext Trig and Delay Out A standard negative edge TTL input applied to the rear panel mounted BNC connector labeled EXT TRIG causes the instrument to initiate one or more measurements and provide one or more corresponding delayed triggers at the rear panel mounted BNC connector labeled DELAY OUT 2 25 Hewlett Packard interface Bus HP IB Figure 2 3 illustrates the rear panel HP IB connector along with a brief description of each signal line 2 26 Interface Cable Length The maximum accumulative length of an HP IB cable in any system must not exceed more than 2 meters of cable per device up to 15 devices or 20 meters which ever is less 2 27 REPACKAGING FOR SHIPMENT 2 28 The following is a general guide for rep
57. trols and Indicators 3 4 Figure 3 1 identifies the 3437A displays annunciators controls and connectors The identification of each item is keyed to the drawing within the figure 3 5 Front Panel Description 3 6 KEYBOARD The 3437A keyboard functions in two modes a Key per function b Numeric entry 3 7 Key Per Function The Key Per Function mode each key representing instrument functions occurs when the instrument is turned on 3 8 Numeric Entry The Numeric Entry mode annun ciated by blinking DELAY NRDGS or ENAB ROS annun ciators is a subset of the Key Per Function mode and occurs when either the BELAY N ROGS ENAB ROS keys are press ed while the keyboard is in the Key Per Function mode Subsequent entries displayed by the numeric entry dis play correspond to the blue labeled numeric symbols 0 9 and decimal point The Numeric Entry mode is terminated STOR when C is pressed 3 9 VOLTS DISPLAY Displays the sign and magnitude of the sampled input voltage is implied The overload indication is 99 99 Decimal point position corresponds to voltage range selected 3 10 NUMERIC ENTRY DISPLAY The contents of the numeric entry display are annunciated directly below th display 3 11 ROS STATUS The RQS STATUS annunciators annunciate the instrument status 3 12 Data Ready The DATA READY annunciator notifies the operator that the sampled input voltage has been
58. tt th Ave SE Balievue 98004 Tel 206 454 397 1 TWX 910 443 2446 DO Box 4010 Spokane 992072 Te 599 535 0864 WEST VIRGINIA Medicai Anaivticat Only 4504 Mac Corkle Ave S E Charleston 25304 Tet 1304 925 0492 WISCONSIN 150 South Sunny Stone Haag Brookfield 53005 Tat 4414 784 8800 FOR U S AREAS NOT LISTER Contact the repona office naarest vou Atienta George North Hoily wood Caiitornia Rack Hie Marylan Roiling Meadows inms Ther compete addresses are isted above USSR Hewlett Packard Representabve 6 USSA Pokiovsky Boulevard 4 17 ka T2 Moscow 101620 Tel 294 29 24 Telex 7825 hewpak su YUGOSLAVIA iskrz Commerce 6 Zasiopsivo Hewlett Packard Ob icev Venac 26 YU 11006 Beograd Tel 5 Teler 11532 Iskra Commerce n sol Zastopstvo Hewlett Packard Miklas ceva 11 Yu DEG Ljubijana Ter 32 1 874 315 876 Telex 31583 URUGUAY Pablo Ferrando S AC el Avera italia 7 Casida de Correo 370 Moni video Tak 49 3102 Tater 702 Punic 66 Pata Pabla 06 VENEZUELA Hewlett Packard de venezyela CA P O Bax 50933 Catacas 5 Los Ruices Norte 3a Ttansversa ddicio Segre Caracas 107 Tel 239 4133 120 Snes Telex 25146 HEWPACK ZAMBIA Ri T ngry 342 P O Box 2 Lusaka Tei 73793 M EDITERRANE AN ANS MIDDLE 7 COUNTRIES NOT SHOWN PLEASE CONTACT Hewlett Packard S A Mediterranean and Akte East Operations 35 Kolck ctor Street Fiat Kela
59. uba Kumaggya Satama 350 Tet 0485 24 5563 JORDAN Mouasher Cousins Ce P O Box 7 Ammon Tet 24907 39907 Telex SABCO JO 1456 KENYA ADCOM Lid Ic P D Box 30070 Nairobi Tek 331955 Telex 22639 Medical Onty inlernationai Aergcio E P O Box 19012 Nairobi Airport Nairobi Tet 336055 56 Telex 2220 1 2230 Medical Only mernata Aeradio EA Ltd P O Box 95221 Mombasa KOREA Samsung Electronics Co Le 4759 Shingli B Dong Yeong Deg POU Seoul Tek 833 4122 4121 Telex SAMSAN 27364 KUWAIT A Khaldiva Trading A Contracting SD Box 830 Salat Kuweit Tet 42 4910 4 1726 Telex 2481 Areeg ki LUXEMBURG Hewlett Packard Beneiuz GA ON Avenue du Col Verl t Groenktaagiaan B 1170 Srusacie Tei 023 660 5056 Fedex 23 494 MALAYSIA Hewlett Packard Sales Maiaysia Sdn 6 Suite 2 21 2 22 Bangunan Angkasa Raya Jaan Ampang Kunis Lumpur Tei 483686 485653 Protel Engineering P O Box 1817 Lot 259 Splo amp Road Kuching Sarawak Tei 53544 MEXICO Hewtett Packard Mexicana S A de C V Av Perit tica Sur No 8501 Tepapan Xochim co Mexico 23 DF Tet 905 576 4600 Teiex 017 7 4 50 Hewlett Packard Mexicana SA de ty Rio Volga 600 Cal Bel valle Monterrey Ni Tel 78 32 10 MOROCCO Dalbeau Bt rue Karatchi Cashblanca Tei 3041 B2 Teiex 2365 1 22822 Gerep 2 rue d Agadir Boite Posta 156 Casablanca Tet 272093 8 Teiex 23 739
60. x 527 1 mm deep Weight Net 5 6 kg Shipping 7 6 kg Model Number and Name 3437 System Voitmeter RRRA LEER u Model 3437A tional information describing the operating characteristics Table 1 2 are not specifications but are supplemental information for the user 1 14 OPTIONS 1 15 The following options are available for the hp Model 3437A System Voltmeter Option hp Part Number Description 907 5061 0088 Front Handle Kit 908 5061 0072 Cabinet Assembly 909 5061 0075 Cabinet Assembly 1 18 ACCESSORIES 1 17 The following accessories are available and can be ordered from your nearest hp Sales and Service Office 1 DSA Test ROM hp 34115A 2 Performance Test Source Interface hp 34114A 3 Performance Test Trigger Interface hp 34113A Section 1 18 SAFETY CONSIDERATIONS 1 19 1f to preserve the apparatus from damage it is neces sary for the user to refer to the instruction manual the apparatus will be marked with the symbol AN 1 20 INSTRUMENT IDENTIFICATION 1 21 A three section serial number Wee 99 is used to identify the Model 34374 Figure 1 3 illustrates the meaning of the three parts of the number C XXXX A XXXXX E i E o anil raa Four digit prefix Latter identifies the Sek digit c C identifies a senes country where the identifies a par 1 of instruments insl rumenl was marn ucular instru ufacturec rent in a series E 0 A America

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