Fluke 5220A manual

® 5220A Transcondu ctance Amplifier Instruction Manual PN 491936 June 1979 R ev. 3, 6/97 © 1997 Fluke Corporation. All rights reserved. Printed in USA All product names a re trademarks of their respective comp ani es.[...]

LIMITED WARRANTY AND LIMITATION OF LIABILITY Each F luke produ ct is war ranted t o be free fr om defects in mat erial a nd workm anship u nder normal u se and s ervice. The warranty period is one year and beg ins o n the date of shipm ent. Parts, pro duct rep airs, a nd servi ces are warr anted for 90 day s. This warrant y ext ends on ly to t he o[...]

i Table of Contents Sec tion Tit le Pag e 1 Introduction and Spec ificat ions ........................................................ 1-1 1-1. Introducti on .......................................................................................... 1-1 1-2. Specification s ............................................................................[...]

5220A Instruction M anua l ii 3-8. Preamplif ier ...................................................................................... 3-6 3-9. A6 Driver ......................................................................................... 3-7 3-10. A7 Output .....................................................................................[...]

Contents (c ontinued) iii 4-40. Resistor R13 ..................................................................................... 4-17 4-41. Troubleshooting.................................................................................... 4-18 5 List of Replaceabl e Part s................................................................... 5-1 5-[...]

5220A Instruction M anua l iv[...]

v List of Tables Table Title Page 1-1. Accessories ............................................................................................................ 1- 2 1-2. Specification s ......................................................................................................... 1- 2 2-1. Controls, I ndicators, an d Connecto rs ........[...]

5220A Instruction M anua l vi[...]

vii List of Figures Figure Title Page 5220A Transconductanc e Amplifi er ...................................................................... x 1-1. Outline Drawing s ................................................................................................... 1- 5 2-1. Controls, I ndicators, an d Connecto rs ...............................[...]

5220A Instruction M anua l viii 6-1. Rack Mounting Kit ................................................................................................ 6-2 6-2. Rack Slide Kit ........................................................................................................ 6-4 7-1. Interconnec t Diagram.......................................[...]

Contents (c ontinued) ix[...]

5220A Instruction M anua l x ajs36f.eps 5220A Transconducta nce Amplifi er[...]

1-1 Section 1 Introduction and Specifications 1-1 . Introduct ion The Model 5 220A is a tra nsconduc tance a mpli fier desig ned to op erate as either a stand alone unit o r an extens ion of th e Fluke Mode l 5100 Serie s Calibrato r. Functiona lly, the instrumen t opera tes as a precisi on ac/dc current so urce fo r cal ibrating c urren t shunts a[...]

5 2 20A Instruction M anua l 1-2 selection switches ar e insi de the 522 0A. Refer to Se ction 4 o f this manual fo r informa tion on how to prop erly set the lin e power switches. Accessor ies ava ilable fo r use w ith th e 5220A are listed an d descr ibed in T able 1-1. The rack mou nting kits ar e designed f or use wi th a standa rd 19-in ch equ[...]

Introduction and Specifications Spec i ficat ions 1 1-3 Table 1-2. Specifi cations (con t.) Electromagnetic Compat ibility This instrum ent is des igned t o operate in St andard L aboratory environments where in electrom agnetic environm ent is hi ghly controlled. If used i n areas with RF fields > 0.4 V/m there c ould be errors in meas urement.[...]

5 2 20A Instruction M anua l 1-4 Table 1-2. Specifi cations (con t.) Genera l Load Capability Drives all resistiv e and c apacitive loads consis tent with c urrent and compliance v oltage c apability . For induc tive loads greater th an 1 µ H and les s than max imum ind uctiv e loads, output curren t is limited to 1 6 A rms (22.6 A peak) Maximum I[...]

Introduction and Specifications Spec i ficat ions 1 1-5 ajs01f.wmf Figure1-1. Outline Drawings[...]

5 2 20A Instruction M anua l 1-6[...]

2-1 Section 2 Operating Instructions 2-1 . Introduct ion This section of the manual c ontai ns info rmation c oncern ing the ins tallatio n and oper ation of the Mo del 5220A tra nsconduc tance Amp lifier. It is recom mended tha t the con tents o f this sect ion be re ad and unde rstood b efore a ny attemp t is made to op erate the unit. Sho uld an[...]

5 2 20A Instruction M anua l 2-2 2-4. Fuse Repla cem ent 2-5. AC Line Fuse The ac lin e fuse is accessi ble by way o f a rea r-pane l fuse h older located to the left o f the input power conn ector. If fuse re place ment is re quired, dis connect the 5220A fro m line power and re move t he fuse c ap and fu se (twi st the fuse ca p ccw usin g a scre[...]

Operating Instructions Operatin g Feature s 2 2-3 ajs02f.wmf Figure 2-1. Control s, Indicators, and Connectors[...]

5 2 20A Instruction M anua l 2-4 Table 2-1. Controls, I ndicators, a nd Connectors Ref. No Name Function 1 STATUS Indicat ors Three LEDs that light on an individ ual bas is to indic ate that the 5220A has exc eeded an op erating lim it. When the limit c onditi on is detec ted the 5220A is s witched to t he stan dby mode. W hen the limit con dition [...]

Operating Instructions Operatin g Notes 2 2-5 Table 2-1. Controls, I ndicators, a nd Connectors ( cont.) Ref. No Name Function 8 Power Connec tor Provides the mea ns of conn ecting t he 5220A to ac line power by way of a 3-wire power cord . 9 Fuse Holder Houses the ac line f use and allows easy ac cess for fuse replac ement. 10 Ground Con nector A [...]

5 2 20A Instruction M anua l 2-6 2-13. Input Vol tage Selection, Front/ Rear Selection o f the f ront or rear termi nals for co ntrol v oltage input is manu ally acco mplish ed by pressing th e INPUT push bu tton switc h on the front pa nel. Each depr ession alternat ely selects f ront or rea r as ind icate d by the li t FRON T/REA R LED ind icator[...]

Operating Instructions Operatin g Notes 2 2-7 connected to the outpu t before t he conditi on can be c leared. Over complian ce is detec ted as an outpu t voltage o uts ide the ran ge o f +4 V dc or 3 V rms a c. Output cur rent i n excess of 20 A w ill cause an overc urrent indicat ion. To correc t the condition, t he input contro l voltage must be[...]

5 22 0A Instruction M anua l 2-8 ajs03f.wmf Figure 2-2. Maxim um Load In ductance vs Frequency[...]

Operating Instructions Operatio n 2 2-9 ajs04f.wmf Figure 2-3. Typical Transcondu ctance Error for Inductiv e Loads 2-20. Operat ion The follow ing proce dure is sugg ested for oper ating the 5 220A. Wit h refe rence to the previous paragraphs p roceed as f ollows: 1. Connect the 5220A to the 510 0 Series Calib rator via the Y5000 In terfa ce if re[...]

5 2 20A Instruction M anua l 2-10 7. Determine the active output term inals (fr ont or rea r) by connecting a short jumpe r wire betw een th e front-p anel C URRE NT OU TPUT term inals and then pre ssing th e OPR/S TDBY switch . If th e OVER COMP LIANC E LED lights , the re ar ou tput terminals a re active. O therwise, th e OPR LED will light in di[...]

3-1 Section 3 Theory of Operation 3-1 . Introduct ion This section of the manual c ontai ns an ove rall func tional descript ion fol lowed by a detailed c ircuit ana lysis of the 5220A. Bot h descriptions are suppo rted by bl ock diagra ms. Compon ent lev el desc riptions contain ed in the c ircui t analysis are re ferenc ed to the deta iled s chem[...]

5 2 20A Instruction M anua l 3-2 ajs05f.wmf Figure 3-1. 5 2 20A Fu nctional Bloc k Diagram[...]

Theory of Operation Overall Fun ction al Descrip tion 3 3-3 The transcondu ctance ampli fier is a three -stage, cl osed-lo op amplif ier whos e feedba ck signal is p roport ional to th e 5220A outpu t (load) c urrent. I t consists of the A5 Pream p, the A6 Driver, the A7 Output, and a precisio n four-t ermina l shunt. Input volt age to t he amplifi[...]

5 2 20A Instruction M anua l 3-4 3-5. Digit al Section The logic p ortion of the 5220A con trols the seq uencing o f input re lays ( front /rear) and other con trol sign als tha t turn the trans conducta nce amp lifier o n and off . It also p rovides drive co mmands to light appropria te fron t panel status LEDs. In puts to the log ic are in the fo[...]

Theory of Operation Circ uit An alys is 3 3-5 The A4 Regu lator is designed to conve rt the ac outpu ts fro m the thre e remain ing secondary w indings of T1 into th ree se ts of isol ated and reg ulated voltag es: +5 V dc, +15/-15 V dc, and +5 V dc ISO ( isolated). Each voltage is prod uced using co nventio nal regulating techniq ues. Th at is, i [...]

5 2 20A Instruction M anua l 3-6 3-8. Preamplifier The A5 Preampl ifier, as shown i n Figure 3-4, is a high-gain amplif ier des igned to acc ept a front/re ar pane l input signal and prov ide an ampl ified outp ut to the A6 Drive r stag e of the tran sconduc tance ampl ifier. I t consi sts of a hi gh-gain differen tial amplifi er with feedback resi[...]

Theory of Operation Circ uit An alys is 3 3-7 the rate a t which th e input vo ltage is applie d to the A5 Preamp lifier wh en the 522 0A is switched fro m stan dby to ope rate. Th is is n ecessa ry to preven t a step output wh ich, if applied to an induct ive load, woul d result i n an overvolt age trans ient, forc ing the 5220A back to standb y. [...]

5 2 20A Instruction M anua l 3-8 string is u sed as a voltage sou rce to s et the quiesce nt bias fo r the r emain ing stag es of the complemen tary A7 Drive r and A7 Outpu t. Variable resis tor R13 is used t o set the in itia l bias voltage. ajs10f.wmf Figure 3-5. A6 Driver Funct ional Block Di agram The characte ristics o f the V BE mul tipliers [...]

Theory of Operation Circ uit An alys is 3 3-9 3-10. A7 Output The A7 Output is a d iscre te-co mponent, complem entary -output, hig h-cu rrent amp lifier which serv es as th e final out put stage o f the t ransco nductanc e amplif ier. See Figu re 3 -6. It consist s of a pa ir of d river tr ansis tors, Q101 a nd Q102; two p arallel pair(s) o f outp[...]

5 2 20A Instruction M anua l 3-10 3-11. A8 Analog Control The A8 Analog Contro l Assembly, a s shown in F igure 3 -7, contain s an over compliance detector, an ove rcurrent detector and two TTL -to-FET level sh ifters. The detection circuits are used to switch th e 5220A to standby whe n an over curren t or ove rcomplian ce condition oc curs. The l[...]

Theory of Operation Circ uit An alys is 3 3-11 it were a log ic leve l. That is, voltage s from 0 to an a pproxi mate 2 V thr eshold are considered a low logic le vel. A high logic lev el is a pproxima tely 2 to 4.5 V. The TTL-to-FET level shifters are used to interface turn on /off commands TTL logic levels, T1 and T2, fr om the A10 Logic with the[...]

5 2 20A Instruction M anua l 3-12 ajs13f.wmf Figure 3-8. A10 Logic Simplified Bl ock Diagram Loss or in terrup tion of th e +15/-1 5 V dc suppl y output c auses the Line Mon (moni tor) input from the power supp ly to go low. Normall y, the line mo nitor input i s a clipped ful l- wave rectif ied 60 Hz wave form wh ich is gene rated on the A4 Regu l[...]

Theory of Operation Circ uit An alys is 3 3-13 input is presen t. Under no rmal oper ating c ondition t he rese t command is high at U9-10 and low at U3-10. When the 5 220A is switch ed from r emote to loca l opera tion the lo cal/ remote log ic triggers monosta ble U11-10 in the reset logic c ircuit. The result i s a mo mentary posi tive- going pu[...]

5 2 20A Instruction M anua l 3-14 The shift-r ight mode is selected when flop-f lop U17-1 re sponds to an oper ate co mmand (D-input low) and d rives the regis ter’ s S0 input h igh and t he S1 inpu t low. This results in the high inpu t at U22-2 being s equenti ally propag ated th rough th e regis ter and i ts four outputs (QD, QC, QB and QA) be[...]

Theory of Operation Circ uit An alys is 3 3-15 indicates sta ndby, high ind ica tes ope rate. The not Opera te sign al is rec eiv ed fro m the A11 MIS Bu s Inte rface a nd is effe ctive o nly wh en the 522 0A is in the re mote con trol mode. In the h igh sta te, the signal cl ears fli p-flop U1 0-9 to invok e th e standby mo de. When not Opera te g[...]

5 2 20A Instruction M anua l 3-16 3-19. Failure St atus Logic The failure statu s logic cons ists o f three D-t ype flip-f lop (U16 -1, U16-13, and U17-13) and their as socia ted logic ga tes and d rivers. I ts func tion is to store failu re conditi ons detected by o ther pa rts of the A1 0 Logic and to drive t he fron t panel STATUS ind icators. A[...]

Theory of Operation Circ uit An alys is 3 3-17 enabled so th at a statu s read c an take pla ce when BC0 and BC2 go high. Statu s read causes the w /not R line to go low for th e duration o f the BC 0 and BC 2 inputs . At the e nd of status r ead, the RS fl op-flo p is re set, closi ng the w/no t R gate (U5-8) un til it is reopened by another pro g[...]

5 2 20A Instruction M anua l 3-18[...]

4-1 Section 4 Maintenance 4-1 . Introduct ion W Warning These servicing instructions are for use by qualified personnel only. To avoid electric shock, do not perform any servic ing other than that contained in the operation i nstructions unless you are qualified to do so. This section of the manual c ontai ns main tenance in fo rmation f or the Mod[...]

5 22 0A Instruction M anua l 4-2 4-2. Servic e Inform ation The 5220A is warra nted fo r a per iod of 1-yea r upon delive ry to the o rigina l purchaser . The warranty i s loca ted on the back of the titl e page. Factory au thorized c alibrat ion and s ervice for each Fluk e produc t is av ailab le at vari ous worldwi de loca tions. A com ple te li[...]

Maintenance General Ma inte nan ce 4 4-3 ajs15f.wmf Figure 4-1. Int ernal Component/Asse mbly Locat ions Caution To prevent component damage observe static awareness precautions during instrument disassemb ly/assembly. Refer to the yellow insert sheet following Secti on 1.[...]

5 2 20A Instruction M anua l 4-4 4-7. I nternal Co mponents/Assemblies All interna l switc hes, fus es, and ca librati on adjus tments c an be acc essed by removin g the top cover and the lar ge inner cover from the 5220A. The location o f each of the applicable com ponen ts is shown in Figure 4-1. P roc edures for se tt ing, rep lac ing, and/o r a[...]

Maintenance General Ma inte nan ce 4 4-5 4-11. A6 Driver and A7 Output Assembly Removal The A6 Driv er and A7 O utpu t PCB Assem blie s comp rise a p lug-in assembly refer red to in this procedure a s the A6 Drive r/A7 Output . Use the fol lowing procedu re to re move the A6 Driver /A7 Output: 1. Remove the top cover f rom the 522 0A. 2. Remove th [...]

5 22 0A Instruction M anua l 4-6 4-14. Fuse Replacement 4-15. Ac Line Fuse The ac lin e fuse is accessi ble by way o f a rea r-pane l fuse h older located to the left o f the input power conn ector. If fuse re place ment is re quired, dis connect the 5220A fro m line power and re move t he fuse c ap and fu se (twi st the fuse ca p ccw usin g a scre[...]

Maintenance General Ma inte nan ce 4 4-7 ajs16f.wmf Figure 4-2. Lin e Voltage Selectio n 4-18. Output Terminal Selection, Front/Rear Either the front o r rear o utput termina ls (but not b oth simulta neously ) may be selected to provide the c urrent output conne ctions. The active termi nals are d eter mined by the position of a pair o f screw s t[...]

5 22 0A Instruction M anua l 4-8 Caution To ensure proper instrumen t operation make sure that both screws are installed and that they are both in either the FRONT or REAR locations. 1. Disconnec t the 5220A from line power. 2. Remove both th e top and large inner cover s from th e 5220A. 3. Locate the ou tput ju mper scr ews as shown in Figure 4-1[...]

Maintenance Perform ance Test 4 4-9 4-22. Front Panel Tests Use the fo llowing p rocedure to check the opera tion of the 5220A f ront-pa nel contro ls and LEDs: 1. With th e unit in the stan dby mode, connect jumpe r wires betwe en the en abled (front/r ear) ou tput ter minals . Use a 4-i nch len gth of 16 -gauge i nsulat ed wire. 2. Press the OPR/[...]

5 2 20A Instruction M anua l 4-10 4-24. DC Accuracy and Line Regulation The follow ing proce dure is use d to chec k the dc accurac y of the 5220A outpu t curre nt: 1. Connect the pr ecisio n shunt to the en abled ou tput te rminals on the 522 0A. 2. Connect th e DVM to the sen se ter minals on the pre cision shunt. Obs erve pol arity . 3. Set the [...]

Maintenance Perform ance Test 4 4-11 7. Set the 5220A to the st andby mod e. 8. Disconnect th e load r esistor a nd the dist ortion ana lyzer fro m the 5220A out put terminal s. 4-26. Frequency Response Note When high ac cu rrents at high frequencie s are be ing used, a nd minimization of inductive co upling is requ ired, it is re commended tha t y[...]

5 2 20A Instruction M anua l 4-12 4. Increase th e ac vol tage ca libra tor outp ut in 1.0V r ms incr ements. The 5 220A should switch to the standby mod e at between 20.0 and 24.0 V rms. The OVERCURRENT LED should also l ight. 5. Set the ac vo ltage ca libra tor ou tput to zero volts. 6. Disconnec t the lo ad resist or fro m the 52 20A output te r[...]

Maintenance Calibration Ad justme nts 4 4-13 4-30. Init i al Conditions Before star ting th e foll owing procedu res, cond ition the 5220A as follows : 1. Disconnec t all inpu t and rem ote co nnectio ns to th e 5220A, and c onnect a sho rt jumper w ire betw een the selected ou tput t ermin als. 2. Connect the uni t to line power and set the POWER [...]

5 2 20A Instruction M anua l 4-14 4-33. Output Bias Adjustment This procedur e is used to adjust the bias cu rrent for both the A6 Drive r and the A7 Output. The b ias adjust ment (R13) is loc ated on the A6 Driver PCB Ass embly. 1. Connect th e ac vol tage calib rator to the front-p anel VO LTAGE IN PUT term inals on the 5220A. 2. Connect the lo a[...]

Maintenance Replacemen t of Se lected Com ponents 4 4-15 8. Set the 5220A to the st andby mod e. 9. Disconnec t the shu nt and vo ltmeter from the 5220A ou tput ter minal s. 4-36. Overcurrent Adjustment This procedur e is used to adjust the overcu rrent trip leve l of the 5220A. The ove rcurrent adjustmen t (R21 ) is loca ted on th e A8 A nalog Con[...]

5 2 20A Instruction M anua l 4-16 4-39. Resistors R11 and R12 Resisto rs R11 and R 12 are asso ciate d with th e Input O ffs et Adjus tment pro cedu re and the setting of the ZERO ADJ poten tiomete r R6. Use the fo llowing p rocedure t o selec t the proper repl acements for R11 and R1 2: 1. Disconnec t the 5220A from line power. 2. Remove th e top [...]

Maintenance Replacemen t of Se lected Com ponents 4 4-17 Table 4-4. Rep lacement R esistors for R11 and R1 2 DVM Reading ( ± mV dc ) Selected Valu e for R11/R 12 Fluke P art Number 0.87 to 0. 174 1.00 k Ω 168229 0.175 to 0. 261 2.00 k Ω 235226 0.262 to 0. 348 3.01 k Ω 312645 0.349 to 0. 435 4.02 k Ω 235325 0.436 to 0. 522 4.99 k Ω 168252[...]

5 22 0A Instruction M anua l 4-18 Table 4-5. Rep lacement R esistors for R13 Corrected DVM Indication (m V dc) Selected Valu e for R13 ( Ω ) Fluke Part Number 102.000 to 101 .800 1740 Ω 35775 6 101.800 to 101 .600 1500 Ω 37694 7 101.600 to 101 .400 1282 Ω 33047 2 101.400 to 101 .200 1100 Ω 34716 1 101.200 to 101 .000 900 Ω 460519 101.00[...]

Maintenance Troublesh ooting 4 4-19 ajs17f.wmf Figure 4-3. Test Point Location/Id entification[...]

5 22 0A Instruction M anua l 4-20 ajs18f.wmf Figure 4-4. Flowc hart Summary of Mai nframe and Digital S ection Troubleshooting G uide[...]

Maintenance Troublesh ooting 4 4-21 Table 4-6. Mainfra me and Digital Se ction Trouble shooting Guide Step Instruction Yes No Go to 1 Set the 5220A PO WER switc h to OFF and d isconnec t the unit from line power. 2 2 Remove the top cover and the larg e inner cov er from the 52 20A. 3 3 Visually ins pect the i nternal f uses (F2 thr ough F7) and rep[...]

5 2 20A Instruction M anua l 4-22 Table 4-6. Mainfra me and Digital Se ction Trouble shooting Guide ( cont.) Step Instruction Yes No Go to 15 Check the line v oltage switc h settings on A2 Tra nsformer Assem bly. They s hould be set to comply with the local line voltage. If s ome volta ges are in l imits and s ome are ou t, the problem is on the A4[...]

Maintenance Troublesh ooting 4 4-23 Table 4-6. Mainfra me and Digital Se ction Trouble shooting Guide ( cont.) Step Instruction Yes No Go to 33 The mainframe an d digital s ection are opera tional; the transconduc tance ampl ifier (A5, A 6, A7) is defec tive. C heck out and repair the tr ansc onductance amplifier us ing Ta ble 4-7, Analog Section T[...]

5 22 0A Instruction M anua l 4-24 ajs19f.wmf Figure 4-5. Flowc hart Summary of A nalog Sectio n Troubleshooting G uide[...]

Maintenance Troublesh ooting 4 4-25 Table 4-7. Analog Se ction Trouble shooting Guide Step Instruction Yes No Go to 1 Complete the tr oubles hooting p rocedur e given in Table 4-6 . 2 2 Set the 5220A POWER s witch to OFF. 3 3 Connect a jum per wire be tween the fr ont pane l VOLTAGE INPUT terminals. 4 4 Connect a 0.1 Ω resistor betw een the se le[...]

5 22 0A Instruction M anua l 4-26 Table 4-7. Analog Se ction Trouble shooting Guide (cont.) Step Instruction Yes No Go to 19 Set the 5220A to the operate mode and read the DVM . 20 20 Does the DVM read approxim ately +0.1 V dc ? 26 22 21 Does the DVM read approx imately 0 V? 22 23 22 Check relay K1 and assoc iated drive c ircuits on t he A5 Prea mp[...]

5-1 Section 5 List of Replaceable Parts 5-1 . Introduct ion This section contai ns an i llustrat ed list o f repla ceable parts for 52 20A. Pa rts are l isted by assemb ly; alp habetized by refe rence de signato r. Each asse mbly i s accomp anied by a n illustra tion show ing the location o f each pa rt and its refe rence des ignato r. The parts li[...]

5 2 20A Instruction M anua l 5-2 • Fluke sto ck numbe r • Descript ion (as given und er the De scrip tion hea ding) • Quanti ty • Instru ment Mode l, Serial Nu mber, and F irmware Numbe rs 5-3 . Manual St at us Information The Manual Sta tus In formatio n table that p recedes the pa rts list define s the as sembly revision levels t hat are [...]

List of Replaceable Parts Service Ce nters 5 5-3 A11 MIS Bus Interface PCB Assemb ly 491266 C A13 Output Termi nation PCB Assemb ly 491274 B[...]

5 22 0A Instruction M anua l 5-4 Table 5-1. 5220A Final A ssembly Reference Designator Description Fluke P art No. Total Quantity A1 h Motherboard PC B Assem bly 49120 9 1 A2 Power Transformer As sembly 491282 1 A3 h Capacitor Bus PC B Assem bly 476994 1 A4 h Regulator PCB As sembly 489690 1 A5 h Preamplifier PC B Assembly 947205 1 A6 h Driver PCB [...]

List of Replaceable Parts Service Ce nters 5 5-5 Table 5-1. 5220A Final A ssembly ( cont.) Reference Designator Description Fluke P art No. Total Quantity H11 Was her, Lock, Int ernal, Ste el, #4 110403 2 H12 N ut, Machine, H ex, Stee l, 4-40 110635 2 H13 S crew, Mac hine, PH, P, Steel, 6-32 x 0.500 152173 13 H14 N ut, Machine, H ex, BR, 1/4- 28 11[...]

5 22 0A Instruction M anua l 5-6 Table 5-1. 5220A Final A ssembly ( cont.) Reference Designator Description Fluke P art No. Total Quantity MP18 Output Bus, Plus- Aft 486542 1 MP19 Output Bus, Spacer 486559 1 MP20 Assembly, Red 10-32 Bi nding Post Brac ket 794404 2 MP21 Assembly, Black 10-32 Binding Post Brack et 794412 2 MP22 Shunt Bus, Minus 49052[...]

List of Replaceable Parts Service Ce nters 5 5-7 Table 5-1. 5220A Final A ssembly ( cont.) Reference Designator Description Fluke P art No. Total Quantity MP50 Foot, Bail Stand 292870 4 MP51 Spacer, Capacitor 489484 2 MP52 Filter, Retainer 576967 1 MP54 Nameplate, 0.350 x 1.3 , Serial Num ber 472795 1 MP55 Cover, Shunt 489948 1 R2, R5 Resistor, CC,[...]

5 2 20A Instruction M anua l 5-8 ajs20f.wmf Figure 5-1. 5220A Fi nal Assembl y[...]

List of Replaceable Parts Service Ce nters 5 5-9 ajs21f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

5 22 0A Instruction M anua l 5-10 ajs22f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

List of Replaceable Parts Service Ce nters 5 5-11 ajs23f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

5 2 20A Instruction M anua l 5-12 ajs24f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

List of Replaceable Parts Service Ce nters 5 5-13 ajs25f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

5 2 20A Instruction M anua l 5-14 ajs26f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

List of Replaceable Parts Service Ce nters 5 5-15 ajs27f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

5 2 20A Instruction M anua l 5-16 ajs28f.wmf Figure 5-1. 5220A Fi nal Assembl y (cont.)[...]

List of Replaceable Parts Service Ce nters 5 5-17 Table 5-2. A1 Moth erboard PCB Assembl y Reference Designator Description Fluke Part No. Total Quantity J10, J20, J 30, J40, J50, J 70, J90 Connector, PCB Ed ge, Rec., 0.150 CTR, 40 Positi on 42255 0 7 J1 Header, 1 Row, 0.156 C TR, 10 Pin 446724 1 J10, J85 Connector, PCB Ed ge, Rec., 0.150 CTR, 2 4 [...]

5 2 20A Instruction M anua l 5-18 Table 5-3. A2 P ower Transformer Ass embly Reference Designator Description Fluke Part No. Total Quantity F4 – F7 Fuse, 0.25 x 1.25 , 0.5 A, 250 V, S low 109322 4 H1 Screw, Machine, PH , P, Steel, 8-32 x 0.25 0 228890 8 H2 Screw, Machine, PH , P, Steel, 6-32 x 0.25 0 152140 8 MP1 Transformer Plat e, Inboar d 4894[...]

List of Replaceable Parts Service Ce nters 5 5-19 Table 5-4. A3 C apacitor B us PCB Assembl y Reference Designator Description Fluke Part No. Total Quantity C1 – C8 Capacitor, AL, 50 ,000 µ F, +100-10 %, 15 V, H i Term 432525 8 CR1, CR3 Diode, SI, 50 PIV, 20.0 A 483206 2 CR2, CR4 Diode, SI, 50 PIV, 20.0 A 483214 2 F2, F3 Fuse, 0.25 x 1.25 , 30 A[...]

5 22 0A Instruction M anua l 5-20 ajs38f.wmf Figure 5-4. A3 Cap acitor Bus PCB Assembly[...]

List of Replaceable Parts Service Ce nters 5 5-21 Table 5-5. A4 R egulator PCB Assembly Reference Designator Description Fluke Part No. Total Quantity C9, C10, C16, C 17 Capac itor, AL, 47 00 µ F, +75- 20 %, 16 V 37937 0 4 C11, C14, C 15, C18 Capacitor, TA , 22 µ F, ± 20 %, 25 V 357780 4 C12, C13 Capac itor, AL, 22 00 µ F, +75- 20 %, 25 V 39272[...]

5 22 0A Instruction M anua l 5-22 ajs39f.wmf Figure 5-5. A4 Regulator PCB Ass embly[...]

List of Replaceable Parts Service Ce nters 5 5-23 Table 5-6. A5 Pr eamplifier PCB Assembly Reference Designator Description Fluke Part No. Total Quantity C1, C2 Capac itor, CER, 100 pF, ± 2 %, 1 00 V, COG 512848 2 C3, C5, C6 Capacitor, CER, 0.22 µ F, ± 20 %, 5 0 V, Z5U 30984 9 7 C4 Capacitor, V ariable,1 – 4 2 pF, 75 0 V, Glass 758029 1 C7 Cap[...]

5 2 20A Instruction M anua l 5-24 Table 5-6. A5 Pr eamplifier PCB Assembly (cont .) Reference Designator Description Fluke Part No. Total Quantity R19 Resistor, M F, 422 Ω , ± 1 %, 0.125 W, 10 0 PPM 288506 1 R21, R23 Resis tor, CF, 1 k, ± 5 %,, 0. 25 W 343426 2 R22 Resistor, CF, 1.2 k , ± 5 %, 0 .25 W 441378 1 R24 Resistor, CF, 33k , ± 5 %, 0[...]

List of Replaceable Parts Service Ce nters 5 5-25 ajs40f.wmf Figure 5-6. A5 Preamplif ier PCB Assembly[...]

5 2 20A Instruction M anua l 5-26 Table 5-7. A6 Dri ver PCB A ssembly Reference Designator Description Fluke Part No. Total Quantity C1 Capacitor, Poly ester, 0. 027 µ F, ± 10 %, 25 0 V 267120 1 C2 Capacitor, TA, 6. 8 µ F, ± 20 %, 3 5 V 363713 1 C3, C4 Capac itor, CER, 180 pF, ± 10 % 1 000 V, S3N 105890 2 C5 Capacitor, CER, 5000 pF, ± 2 0 %, [...]

List of Replaceable Parts Service Ce nters 5 5-27 Table 5-7. A6 Driver PCB Asse mbly (cont.) Reference Designator Description Fluke Part No. Total Quantity R28, R29 Res istor, CF, 6.8 k, ± 5 %, 0. 25 W 368761 2 R30, R31 Res istor, CC, 10 Ω , ± 10 %, 0.5 W 108092 2 TP1 – TP4 Term inal, Un-ins ulated, Fe ed-through , Hole, Turre t 179283 4 VR1,[...]

5 2 20A Instruction M anua l 5-28 Table 5-8. A7 Out put PCB Assembly Reference Designator Description Fluke Part No. Total Quantity H1 Screw, Machine, PH , P, Steel, 4-40 x 0.37 5 152124 2 H2 Washer, Lock, Int ernal, Ste el, #4 110403 2 H3 Nut, Hex, S. Steel, 4 -40 147611 2 H4 Screw, Machine, PH , P, Steel, 6-32 x 0.25 0 152140 2 H5 Screw, Machine,[...]

List of Replaceable Parts Service Ce nters 5 5-29 ajs42f.wmf Figure 5-8. A7 Output PCB Assembly[...]

5 2 20A Instruction M anua l 5-30 ajs43f.wmf Figure 5-8. A7 Output PCB Assembly (c ont.)[...]

List of Replaceable Parts Service Ce nters 5 5-31 Table 5-9. A8 Analog Co ntrol PCB Assembly Reference Designator Description Fluke Part No. Total Quantity C1 Capacitor, CER, 0.10 µ F, ± 20 %, 5 0 V, X7R 853650 1 C2 Capacitor, Polyester, 0. 22 µ F, ± 10 % , 100 V 436113 1 C3 Capacitor, TA, 0.68 µ F, ± 10 %, 35 V 182790 1 CR1 – CR10 h Diode,[...]

5 22 0A Instruction M anua l 5-32 ajs44f.wmf Figure 5-9. A8 Analog Contro l PCB Assembly[...]

List of Replaceable Parts Service Ce nters 5 5-33 Table 5-10. A 9 Front Panel PCB A ssembly Reference Designator Description Fluke Part No. Total Quantity C1 Capac itor, CER, 0.22 µ F, ± 20 %, 50 V, Z5U 309849 1 DS1 – DS9 L ED, Red, PCB mount, Lum inous Intens ity = 0.5 M CD 369777 9 MP1 Cover, Pushbutton, Switc h 401299 3 MP2 Switch Part, SPST[...]

5 2 20A Instruction M anua l 5-34 Table 5-11. A 10 Logic PCB Assembl y Reference Design ator Description Fluke Part No. Total Quantity C1, C3, C4 Capacitor, Mica, 100 pF, ± 5 %, 500 V 148494 3 C2 Capacitor, TA , 4.7 µ F, ± 20 %, 25 V 161943 1 C5 Capacitor, TA , 2.2 µ F, ± 20 %, 20 V 161927 1 C6 – C8 Capacitor, TA, 1 µ F, ± 10 % , 35 V 1619[...]

List of Replaceable Parts Service Ce nters 5 5-35 ajs30f.wmf Figure 5-11. A10 Logi c PCB Assembly[...]

5 2 20A Instruction M anua l 5-36 Table 5-12. A 11 MIS Bus I nterface PCB Assembly Reference Designator Description Fluke Part No. Total Quantity C1 Capac itor, TA, 4. 7 µ F, ± 20 %, 2 5 V 16194 3 1 C2 Capac itor, TA, 22 µ F, ± 20 %, 1 5 V 423012 1 C3, C4 Capacitor, CER , 0.22 µ F, ± 20 %, 50 V, Z5U 309849 2 CR1 h Diode, SI, BV = 75.0 V, IO =[...]

List of Replaceable Parts Service Ce nters 5 5-37 ajs31f.wmf Figure 5-12. A11 M IS Bus PCB Assembly[...]

5 2 20A Instruction M anua l 5-38 Note The A12 shunt assembly is a sugg ested non-r epairab le assem bly. Table 5-13. A 12 Shunt Assem bly Reference Designator Description Fluke Part No. Total Quantity H1 Screw , Machine, SEMS, PH, P, Ste el, 6-32 x 0. 500 177030 4 H2 Sc rew, Machine, RH , SL, Steel , 6-32 x 2.75 0 115022 4 H3 Nut, M ini, Hex, SS, [...]

List of Replaceable Parts Service Ce nters 5 5-39 ajs32f.wmf Figure 5-13. A12 Shunt A ssembly[...]

5 2 20A Instruction M anua l 5-40 Table 5-14. A 13 Output Termin ation PCB Assembly Reference Designator Description Fluke Part No. Total Quantity C1 Capacitor, CER, 0.02 5 µ F, 20 %, 100 V , Z5W 168435 1 C2 Capacitor, CER, 0.1 µ F, +80-20 %, 25 V, Z5U 369199 1 R1 Resistor, MF, 40.2, ± 1 %, 0.125 W, 100 PPM 245373 1 R2 Resistor, CF, 10 Ω , ± [...]

List of Replaceable Parts Service Ce nters 5 5-41 Table 5-15. A 14 Extender PCB Assembl y Reference Designator Description Fluke Part No. Total Quantity H1 Screw, Machine, SEMS, PH, P, Steel, 6-32, 0.250 178533 4 H2 Rivet, S-Tub, Oval, Stee l, 0.118 x 0 .218 103606 2 J1 Connector, PCB Ed ge, REC, 0.150 CTR, 4 0 Position 422550 1 J2 Connector, ACC, [...]

5 2 20A Instruction M anua l 5-42[...]

6-1 Section 6 Option and Accessory Information 6-1 . Introduct ion This section of the manual d ocu ments the options and acce ssories av ailab le for u se with the 5220A. Curren tly, the re are no op tions, a nd the ac cessories are limit ed to a choic e of two rack-moun ting k its and a precisio n curren t shunt for calib ratio n purpose s. Each [...]

5 2 20A Instruction M anua l 6-2 ajs45f.wmf Figure 6-1. Rack M ounting Kit[...]

Option and Accessory Inf ormation Acce ssorie s 6 6-3 6-4. Rack Slide Kit (M00-280-610) The 5220A can be ra ck mounted in a 24-i nch deep equip ment rack us ing the Rack Sl ide Kit, model M00-2 80-6 10. Use the follow ing procedure to insta ll the ki t: 1. Remove th e horizo nta l side tr im dec al fro m both sides o f the in stru ment. 2. Refer to[...]

5 2 20A Instruction M anua l 6-4 ajs46f.wmf Figure 6-2. Rack Slide Kit[...]

7-1 Chapter 7 Schematic Diagrams[...]

5220A Instruction M anua l 7-2 5220A-1001 (Sheet 1 of 2) ajs47f.wmf Figure 7-1. Int erconnect Diagram[...]

Schematic Diagrams 7 7-3 ajs48f.wm Figure 7-1. Int erconnect Diagram (co nt.)[...]

5220A Instruction M anua l 7-4 ajs49f.wmf Figure 7-2. Chassis Wiring[...]

Schematic Diagrams 7 7-5 ajs50f.wmf Figure 7-2. Chassis Wiring (cont .)[...]

5220A Instruction M anua l 7-6 ajs51f.wmf Figure 7-3. Power Supp ly[...]

Schematic Diagrams 7 7-7 ajs52f.wmf Figure 7-3. Power Supply (cont.)[...]

5220A Instruction M anua l 7-8 ajs53f.wmf Figure 7-4. A5 Preamplif ier PCB Assembly[...]

Schematic Diagrams 7 7-9 ajs54f.wmf Figure 7-4. A5 Preamplifier PCB Asse mbly (cont.)[...]

5220A Instruction M anua l 7-10 ajs55f.wmf Figure 7-5. A6 Driver and A7 O utput PCB Assembli es[...]

Schematic Diagrams 7 7-11 ajs56f.wmf Figure 7-5. A6 Driver and A7 Output PCB Assemb lies (cont.)[...]

5220A Instruction M anua l 7-12 ajs57f.wmf Figure 7-6. A8 Analog Contro l PCB Assembly[...]

Schematic Diagrams 7 7-13 ajs58f.wmf Figure 7-6. A8 Analog Contro l PCB Assembly ( cont.)[...]

5220A Instruction M anua l 7-14 ajs59f.wmf Figure 7-7. A9 Fro nt Panel PCB Assembly[...]

Schematic Diagrams 7 7-15 ajs60f.wmf Figure 7-7. A9 Fro nt Panel PCB Assembly ( cont.)[...]

5220A Instruction M anua l 7-16 ajs61f.wmf Figure 7-8. A10 Logic PCB Assembly[...]

Schematic Diagrams 7 7-17 ajs62f.wmf Figure 7-8. A10 Logic PCB Assembly (c ont.)[...]

5220A Instruction M anua l 7-18 ajs63f.wmf Figure 7-9. A11 MIS Bu s Interface PCB Ass embly[...]

Schematic Diagrams 7 7-19 ajs64f.wmf Figure 7-9. A11 MIS Bu s Interface PCB Assembly (cont.)[...]

5220A Instruction M anua l 7-20[...]