Benutzeranleitung / Produktwartung 6610XA des Produzenten Agilent Technologies
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SERVICE GUIDE for A gilent 6610xA Pow er M odules Serial Numbers: A gilent M odel 66101A : US34440101 and up A gilent M odel 66102A : US34210101 and up A gilent M odel 66103A : US34210101 and up A gil.
2 CERTIFICA TION Agilent Technologies certifies that this product met its published specifications at time of shipment from the factory. Agilent Technologies further cer tifies that its calibration me.
3 SAFETY SUMMARY The following general safety pr ecautions must be obs erved during all phas es of operation of this power module. Failure to comply with thes e prec autions or with specific warnings elsewhere in this guide violates safety standards of des ign, manufacture, and intended use of the power module.
4 Printing History The current editio n o f this guide is indicated below. Reprints o f this guide co ntaining m inor co rrections and updates may have the same printing date. New editions are identified by a new pr inting date and, in some cases, by a new part number.
5 Table of Contents Overview.................................................................................................................................................................................. 7 About This Man ual .......................
6 Installin g the Power Board ............................................................................................................................................. 58 Installin g the Bias Board .................................................
Overv iew 7 1 Overview About This Manual This m anual is a complete g uide for serv icing t he Agil ent 6610xA Pow er Modul es. Troubleshootin g inform ation f or the Agi lent 66000A MPS Mainfram e is provided in the m ainfram e service m anual (s ee "Related Docum ents"), wh ich shou ld be used with this m anual.
Overv iew 8 Related Docume nts The following documents are related to this manual: Manual Part Number Description Ag ilent 66000A MPS Mainfr ame Installation Guide 66000-90001 Provides p r o duct specifications, installation, and connection information.
Overv iew 9 Safety Considerations The Agi lent 6610xA Power Modu les are Safety Class 1 instrum ents that connect to a protective earth termin al wh en properly installed i n an Ag ilent 66000A MPS Mainfram e.
Overv iew 10 The follow ing equ ipmen t is required to v erify and troublesh oot the Ag ilent 6610x A Powe r Modules: Table 1-1. Serv ice Test Equipment Equipment Required Critical Specifications Reco.
Verification and Performance T ests 11 2 V erification and Performance T ests This chapte r contains t est procedures to ch eck the operation of the Ag ilent 6610x A Powe r Modules. The required t est equipm ent is specified in Ch apter 1. Sample perform ance test record sheets are included at th e end of the chapter.
12 Verification and Performance T ests Measurement Techniques Setup for Most Tests Most tests are perform ed at the rear terminals as sh own in th e following figure.
Verification and Performance T ests 13 Table 2-1. Pow er Module Voltage and Current Values A gilent Model Full-Scale Voltage M ax. Prog. Voltage Full-Scale Current M ax. Prog. Current M ax. Prog. Overv oltage 66101A 8V 8.190V 16A 16.380A 10V 66102A 20V 20.
14 Verification and Performance T ests CV Source Effect This test measures the change in output voltage that results from a change in ac line voltage from the m inimum to m aximum value within the line voltage specifications. 1. Turn o ff the module and c o nnect the ac p ower line through a variable -voltage tra nsfo rmer.
Verification and Performance T ests 15 unloading transients b y triggering o n the p o sitive and negative slope. Figure 2-2. Transient Response W aveform Constant Current (CC) Tests CC Setup Follow the general setup instructions in the Measurement Techniques paragraph and the specific instructions given in the following pa r agrap hs.
16 Verification and Performance T ests The follow ing steps show how to set up an Agi lent 3458A Sy stem Voltmeter f rom its f ront panel to tak e a statistical av erage of 100 readin gs. represents the un labeled shift key in the FUNCTION/RANGE group.
Verification and Performance T ests 17 Note You m ay w ant to use th e average reading prog ram described previou sly. 7. Adjust the transformer to the HIGH line v oltage (e.g., 132Vac for a 115Vac n ominal in put, or 250Vac for a 230Vac nom inal input), an d record the output curren t reading.
18 Verification and Performance T ests Table 2-2. Perf ormance Test Record for M odel A gilent 66101A (8V, 16A ) Pre Cal_____________Post Cal______________ Mod el A gilent 66101A Tem perature_________.
Verification and Performance T ests 19 Table 2-3. Perf ormance Test Record for M odel A gilent 66102A (20V, 7.5A ) Pre Cal_____________Post Cal______________ Mod el A gilent 66102A Tem perature_______.
20 Verification and Performance T ests Table 2-4. Perf ormance Test Record for M odel A gilent 66103A (35V, 4.5A ) Pre Cal_____________Post Cal______________ Mod el A gilent 66103A T emperatu re______.
Verification and Performance T ests 21 Table 2-5. Perf ormance Test Record for M odel A gilent 66104A (60V, 2.5A ) Pre Cal_____________Post Cal______________ Mod el Agilent 66104A Te mperatu re_______.
22 Verification and Performance T ests Table 2-6. Perf ormance Test Record for M odel A gilent 66105A (120V, 1.25 A ) Pre Cal_____________Post Cal______________ Mod el Agilent 66105A T emperatu re____.
Verification and Performance T ests 23 Table 2-7. Perf ormance Test Record for M odel A gilent 66106A (200V, 0.75A ) Pre Cal_____________Post Cal______________ Mod el Agilent 66106A T emperatu re_____.
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Troubleshooting 25 3 T roubleshooting This chapte r provides troubles hooting and repair inform ation f or the Ag ilent 6610xA Power Modu les. Before attem pting to troubleshoot the modules, ensure that the problem is not with an external circuit or application, the mainframe, the GPIB controller, the applicatio n program, or the input power line.
26 Troubleshooting þ Figu re 3-5 - Troublesh ooting No Ou tput þ Figure 3 -6 - Tro ublesho o ting High Output þ Figure 3-7 - Tr o ubleshooting Will No t Overvoltage þ Figu re 3-8 - Troublesh ootin.
Troubleshooting 27 Figure 3-1. Overall Troubleshooting (Sheet 1 of 3).
28 Troubleshooting Figure 3-1. Overall Troubleshooting (Sheet 2 of 3).
Troubleshooting 29 Figure 3-1. Overall Troubleshooting (Sheet 3 of 3).
30 Troubleshooting Figure 3-2. Troubleshooting M icroprocessor Circuits (Sheet 1 of 2).
Troubleshooting 31 Figure 3-2. Troubleshooting M icroprocessor Circuits (Sheet 2 of 2).
32 Troubleshooting Figure 3-3. Troubleshooting Error M essages.
Troubleshooting 33 Figure 3-4. Troubleshooting Overvoltage at T urn-On (Sheet 1 of 2).
34 Troubleshooting Figure 3-4. Troubleshooting Overvoltage at T urn-On (Sheet 2 of 2).
Troubleshooting 35 Figure 3-5. Troubleshooting No Output (Sheet 1 of 5).
36 Troubleshooting Figure 3-5. Troubleshooting No Output (Sheet 2 of 5).
Troubleshooting 37 Figure 3-5. Troubleshooting No Output (Sheet 3 of 5).
38 Troubleshooting Figure 3-5. Troubleshooting No Output (Sheet 4 of 5).
Troubleshooting 39 Figure 3-5. Troubleshooting No Output (Sheet 5 of 5).
40 Troubleshooting Figure 3-6. Troubleshooting High Output.
Troubleshooting 41 Figure 3-7. Troubleshooting Will Not Ov ervoltage.
42 Troubleshooting Figure 3-8. Troubleshooting CV A ccuracy.
Troubleshooting 43 Figure 3-9. Troubleshooting CC A ccuracy.
44 Troubleshooting Figure 3-10. Troubleshooting Downprogrammer.
Troubleshooting 45 Figure 3-11. Troubleshooting DA C Circuit.
46 Troubleshooting Figure 3-12. Troubleshooting Readback Circuits (Sheet 1 of 2).
Troubleshooting 47 Figure 3-12. Troubleshooting Readback Circuits (Sheet 2 of 2).
48 Troubleshooting Test Points The following test points are referenced in the troubleshooting flowcharts. Refer to the component locations diagram in Chapter 6 for the actual location o f the test po ints on the pc board. Table 3-1. T est Points Test Point Description TP 0 Outpu t circuit com mon (located on inboard s ide of R303) TP 1 +5V (4.
Troubleshooting 49 Table 3-2. S3 T est Settings S3 Setting Test Descript ion 8 7 6 5 4 3 2 1 0 0 0 0 0 0 0 0 Start w ith blank f ront panel 0 0 0 1 0 0 0 0 Front pan el w ith all s egmen ts on 0 0 0 0.
50 Troubleshooting Figure 3-13. S3 Swit ch Setting Wavefo rms.
Troubleshooting 51 EEPROM Troubleshooting and Initialization Troubleshooting The power m odule can detect an EEPROM ch ecksum error. This error is not iden tified by nu mber, but causes th e followin .
52 Troubleshooting 10 ! Program to in itialize EEPROM or move f actory preset data in 66101A , 20 ! 66102A, 66103A , 66104A, 66105A an d 66106A pow er supply modu les.
Troubleshooting 53 510 ! 520 Eprom_dat a_106a: ! ! EEPRO M data for 66106A 530 DATA 16.4035,32.3969,204.75,0,65,0,4403.67,30.0918,0.768,0 540 DATA 67,4,0.9,5.25,240,0,255,100,20,66106 550 DATA 131.18,.248047,35231.2,- 28.4202,0,0,4,66106,20,150 560 DATA 20,150,28321,40,20,10,82,84,0 570 ! 580 INPUT “ Input Power S upply mode l num ber.
54 Troubleshooting 1010 NEXT I 1020 ! 1030 OUTPUT @Ps;"*CLS " ! Clears power su pply reg isters 1040 ! 1050 OUTPUT @Ps;"CAL;S T ATE ON," ! Turn on cal mode, "0" passcode .
Troubleshooting 55 1510 OUTPUT @Ps;"DIAG:EEPR ’ ’ ;Addr(I);’ ’ ,’ ’ ;Len gth(I);’ ’ ,’ ’ ;Init_dat a(I) 1520 NEXT I 1530 GOTO Cal_of f 1540 ! 1550 Fact_preset: ! 1560 CLEA R S.
56 Troubleshooting 2010 STOP 2020 END IF 2030 ! 2040 PRINT "Operation com plete. Program stopped." 2050 STOP 2060 ! 2070 Ps_error: ! Error ha ndling subrouti ne 2080 OUTPUT @Ps;"SYST :ERR?" ! Ch eck for errors 2090 ENTER @Ps;Err 2100 RETURN 2110 ! 2120 END Figure 3-14.
Troubleshooting 57 Removing the Front Panel Assembly 1. Carefully unplug the front panel cable fro m the J3 co nnecto r on the Power board. 2. Spread the botto m of the chassis away from the front panel assem bly and lift the assembly out of the chassis.
58 Troubleshooting Figure 3-15. Front Panel A ssembly Locking Tabs Installing the Power Board 1. Insert the tabs alon g the bottom edg e of the board in the correspon ding slots on the bottom of the chassis an d carefully install the board in the chassis.
Troubleshooting 59 Installing the Front Panel Board and Front Panel Assembly 1. Install the front panel, the front panel bo ard, and the latch assembly in one of the front assem bly halves. 2. Make sure that the front panel board is p o sitioned in the slot closest to the front panel.
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Theory Of Op eration 61 4 Theory of Operation This chapte r provides a brief t heory of operation for th e Agilen t 6610xA Pow er Modules . Figure 4- 1 is a block diagram of the prim ary circuit fu nctions of th e power m odules. The diagram ref erences the schem atic sheets where th e circuits are located.
62 Thoery Of Operat ion Figure 4-1. Block Diagram.
Theory Of Op eration 63 CV Amplifier The CV amplifier controls the output of the power module w hen the module is operating in constant voltage mode. The CV amplifier consists of tw o stages: an error amplifier stage and a voltage monitor stage.
64 Thoery Of Operat ion Pulse-Width Modulator, FETS, and Isolation Transformer The pulse-w idth m odulator controls the FETS. The FETS are arranged in an "H" bridge config uration with the + and - dc rail at the top and bottom of the H.
Theory Of Op eration 65 OV Circuit The OV circuit consists of a com parator that com pares the output voltage of the module w ith an ov ervoltage reference signal and sh uts down the output w hen the ou tput of the supply exceeds the overv oltage reference level.
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Replacement Parts 67 5 Replacement Parts Table 5-1 list s the electrical componen ts of the A gilen t 6610xA Pow er Modules’ mai n, bias, and f ront panel boards. Table 5-2 lists the m echanical com ponents of the m odule. Table 5-3 lists all of the com ponents of the connector assem bly.
68 Replacement Parts Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical Reference Designators M odel Part Number Description 66101A 66101-61022 A SSEMBLY-POWER BOAR D 66102A 66102-61022 .
Replacement Parts 69 Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description C303 66101A 0180-4398 C AP 470uF 63V 66102A 0180-4400 CA P 220uF 63V 66103A 0180-4397 CA P l00uF 63V 66104A 0180-3649 CA P 47uF l00VDC 66105A 0180-3648 CA P l0uF 250V 66106A 0180-3169 CA P 4.
70 Replacement Parts Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description C332, C333 All Models 0160-5422 C AP .
Replacement Parts 71 Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description C433 All Models 0160-4791 C AP l0pF 5% 100V C434, C435 All Models 0160-5422 C AP .
72 Replacement Parts Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description L302, L 303 All Models 5080-2219 CHOKE-OUTPUT L30.
Replacement Parts 73 Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R29 All Models 0698-0082 RES 464 1% .125W R201, R202 All Models 0764-0045 R ES 22K 5% 2W Mo R203 All Models 0698-3430 R ES 21.
74 Replacement Parts Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R305 66101A 0757-0441 R ES 8.25K 1% 66102A 0757-0449 RES 20K 1% .125W 66103A 0757-0123 RES 34.8K 1% 66104A 0698-3572 RES 60.
Replacement Parts 75 Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R316 All Models 0698-8827 R ES lM 1% .125W R317 All Models 0757-0472 R ES 200K 1% R318 All Models 0757-0349 R ES 22.
76 Replacement Parts Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R334 66101A -66103A 0698-7933 RES 3.83K .1% 66104A 0698-8607 RES 4.5K .1% 66105A 0698-7933 RES 3.83K .
Replacement Parts 77 Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R348 66101A , 66102A 0757-0441 RES 8.25K 1% 66103A, 66104A 0757-0444 RES 12.1K 1% 66105A 0698-3136 RES 17.
78 Replacement Parts T able 5-1. A gilent 6610x A Po w er M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R420 66101 A , 66102A 0698 - 6358 RES 100K .1% 66103A 0699 - 2248 RES 47.5K .05% 66104A 0698 - 6358 RES 100K .
Replacement Parts 79 T able 5-1. A gilent 6610x A Po w er M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description U203 A ll Models 1826 - 2075 IC UC3825N U204.
80 Replacement Parts Table 5-1. Agilent 6610xA Power M odules Parts List - Electrical (continued) Reference Designators M odel Part Number Description R501 All Models 1810-0405 NETWORK RES SIP R502 Al.
Replacement Parts 81 Table 5-3. Ou tput Connector A ssembly Parts List Reference Designators Part Number Description 5060-3470 ASSEMBL Y-OUT P UT CONNECT OR B OARD C602, C603 0160-5422 CA P .
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Diagrams 83 6 Diagrams This chapte r contains t est point an d component location diagram s and s chemat ics for troubl eshooting the Ag ilent 6610xA Pow er Modules. SHOCK HAZA RD Hazard o us voltages are present througho ut the Power and Bias boa r d assemblies.
84 Diagrams Schematic Notes Notes that apply to all schematic sheets are as follow s: þ All resistors are in oh ms +/-1%, 1/8 W, unless otherw ise specified.
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L305 L306 L307 L308 R309.
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S3 S2 S1 S0 N10 CR505 R509 R508 1 8 R507 3 6 R507 2 7 U502 15 16 1 9 8 3 6 12 4 14 13 11 10 2 5 7 U503 7 5 2 10 11 13 14 4 12 6 3 8 9 1 16 15 J501 10 1 3 2 9 8 7 6 5 4 C503 R510 C502 R501 8 1 R501 2 7.
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1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 I F 0 - I SENSE + OUT - OUT.
XY XY XY C1 8.1 2.2 C220 0.5 2.1 C331 12.7 3.7 C2 8.1 2.0 C221 1.0 3.2 C332 13.7 3.6 C3 8.1 3.1 C222 0.0 2.9 C333 13.4 4.1 C4 7.3 3.0 C223 1.0 2.1 C334 13.2 3.8 C5 8.5 3.4 C224 0.0 2.4 C335 10.9 3.7 C6 7.9 2.1 C225 2.3 3.7 C336 12.2 3.9 C7 9.1 3.7 C226 3.
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Manual Backdating This app e nd ix describes the changes that must be made to this manual to m ake it co mply w ith module serial numbers lower than those on the title page. Look for the serial number of your m odule on the table and make only those changes listed for that serial num ber.
CHANGE 8: In the part s list on page 65, change L204 thro ugh L 211 from part num ber 5080-2251 to 9170- 0442. CHANGE 9: On page 67, ch ange R204, R 214 to 61.8 ohms , part num ber 0757-0397. On page 65, del ete D216, D217, part nu mber 1901-1214. CHANGE 10: Indicate that softw are revision A.
Index B backdating.................................................................................................................................................................... 89 C compon ent locator ............................................
perform ance tests ......................................................................................................................................................... 11 program ming values - m odules ............................................
cv accuracy ........................................................................................................................................................... 42 DAC ............................................................................
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