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Manuale per l’uso Agilent Technologies E3616A

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  • Agilent Technologies E3616A - page 1

    Agilent E361xA 60W B ENCH SER IES DC POWER SUPPLIE S OPERA TING AN D SERVICE MANUAL FOR MODELS: Agilent E3614A Agilent E3615A Agilent E3616A Agilent E3617A Manual Pa rt No. 5959-5310 April 2000 Edition 8  1-1 ...

  • Agilent Technologies E3616A - page 2

    1-2 SA FETY SUMMA R Y The following gener al safety precautions m ust be observ ed during all phases of operat ion, service, and repair of this ins trumen t. Failure to c omply with these precaut ions or with s pecific warnings elsewher e in this manual violates sa fety standards of design , manufactur e, and int ended use of t he instrument . Agil ...

  • Agilent Technologies E3616A - page 3

    1-3 T able of Contents SAFETY SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 INTRODUCTION . . . . . . . . . . . . . . . . . ...

  • Agilent Technologies E3616A - page 4

    1-4 GENERAL INFORMA TION INTROD UCTION This manual describes all models in the Agilent E361xA 60W Bench Power Supply family and unless stated otherwise, t he information in this manual applies t o all models. SAFETY REQUIREMENTS This produ ct is a Safety Class I instrument, w hich means that i t is p rovided with a protect ive eart h ground termina ...

  • Agilent Technologies E3616A - page 5

    1-5 b e g rounded or the power suppl y can be operated float- in g at up to a maximum of 240 V olts o f f g round. T otal out- put voltage to g round must not exceed 240 Vdc. LINE FUSE Line V oltage Fuse Agilent Part No. 100/ 1 15 V ac 2.0 A T 2 1 10-0702 230 V ac 1.0 A T 2 1 10-0457 SPECIFIC A TIONS Detailed specifications for the power suppl y ar ...

  • Agilent Technologies E3616A - page 6

    1-6 T able 1. Specifications and Operati n g Characteristics (Cont’d) *REMOTE PROGRAMMING SPEED Maximum time required for output volta g e to chan g e from initial value to within a tolerance band (0.1%) of the new l y pro g rammed value followin g the onset of a step chan g e in the pro g rammin g input volta g e. Full load No load Up: E3614A: 3 ...

  • Agilent Technologies E3616A - page 7

    1-7 e. Replace th e cover and mark the sup ply clearly wi th a t ag or label ind icating the co rrect line voltage and fuse th at is in use. Figure 2. Line V ol tage Selecto r (set for 1 15 V ac) Power Cord T o protect oper ating personnel, the instrument should be grounded. This instrument is equipped with a three conductor power cord. The third c ...

  • Agilent Technologies E3616A - page 8

    1-8 that the current limit value can be set from zero to maximum rated value. OPERA TING MODES The settin g of the rear panel switch determines the operatin g modes of the power suppl y . The local operatin g mode is set so the power suppl y senses the output volta g e directl y at the output terminals (local sensin g ) for operation usin g the fro ...

  • Agilent Technologies E3616A - page 9

    1-9 REMOTE OPERA TING MODES Remote operatin g modes discussed below are remote volta g e sensin g and remote volta g e pro g rammin g . Y ou can set up the unit for remote operatin g modes b y chan g in g the settin g s of the rear panel switch and connectin g the leads from the rear panel termi- nals to the load or the external volta g e. Solid co ...

  • Agilent Technologies E3616A - page 10

    1-10 pl y above 100% rated output. Limit y our pro g rammin g volta g e to 10 Vdc. Remote Pro g rammin g Connections. Remote pro g rammin g requires chan g in g settin g s of the switch and connectin g external volta g es to + and - terminals of "CV" or "CC" on the rear panel. An y noise picked up on the pro g rammin g leads wil ...

  • Agilent Technologies E3616A - page 11

    1-11 Settin g V olta g e and Current. T urn the slave unit's CURRENT control full y clockwise. Adjust the master unit's controls to set the desired output volta g e and current. The master suppl y operates in a completel y normal fashion and ma y be set up for either con- stant volta g e or constant current operation as required. V erif y ...

  • Agilent Technologies E3616A - page 12

    1-12 AUTO-SERIES OPERA TION Auto-series operation permits equal or proportional volta g e sharin g , and allows control of output volta g e from one master unit. The volta g e of the slaves is determined b y the settin g of the front panel VOL T AGE control on the master and volta g e divider resistor . The master unit must be the most positive sup ...

  • Agilent Technologies E3616A - page 13

    1-13 Remote Sensin g . T o remote sense with auto-series operation, set SENSE switch of the master unit and set SENSE switch of the slave unit to remote. Remote Analo g V olta g e Pro g rammin g . T o remote analo g pro- g ram with auto-series operation, connect pro g ram (external) volt- a g es to the "CV" or "CC"" termina ...

  • Agilent Technologies E3616A - page 14

    1-14 LOAD CONSIDERA TIONS This section provides information on operatin g y our suppl y with various t y pes of loads connected to its output. PULSE LOADING The power suppl y will automaticall y cross over from constant- volta g e to constant current operation in response to an increase (over the preset limit) in the output current. Althou g h the ...

  • Agilent Technologies E3616A - page 15

    A-1 SERVICE INFORMA TION Figure A -1. Block D iagram PRINCIPLES OF OPE R A TION (Block Diagram Overview ) Throughout t his discuss ion, refer to bot h the block d iagram of Figure A-1 and t he schematic diagrams at the rear of the manual. The input ac line voltage is first applied to the prereg- ulator w hich operates in c onjunction w ith the SCR ...

  • Agilent Technologies E3616A - page 16

    A-2 series pass transistors. Whenever the output volta g e is below the slopin g V1 line, the control circuit inhibits four SCRs and the input capacitors char g e to a volta g e determined b y N1. Fi g ure A-2 indicates the windin g s that are connected as a result of the other volta g e decisions. Fi g ure A-2. Output Power Plot The series re g ul ...

  • Agilent Technologies E3616A - page 17

    A-3 a . Perform turn-on checkout procedure g iven in pa g e 1-7. b . Perform the CV and CC Load Re g ulation perfor- mance tests g iven in the followin g para g raphs respectivel y . PERFORMANCE TESTS The followin g para g raphs provide test procedures for verif y- ing the power suppl y 's compliance with the specifications of T able 1. Please ...

  • Agilent Technologies E3616A - page 18

    A-4 CONST ANT VOL T AGE (CV) TESTS CV Setup. For all CV tests set the output current at full rated output to assure CV operation. The onset of constant current can cause a drop in output volta g e, increased ripple, and other performance chan g es not properl y ascribed to the con- stant volta g e operation of the suppl y . Load Regulation (Load Ef ...

  • Agilent Technologies E3616A - page 19

    A-5 Fi g ure A-5. Load T ransient Response Time W aveform P ARD(Ripple and Noise) Definition: P ARD is the Periodic and Random Deviation of the dc output volta g e from its avera g e value, over a specified bandwidth and with all other parameters maintained constant. Constant volta g e P ARD is measured in the root-mean- square(rms) or peak-to-peak ...

  • Agilent Technologies E3616A - page 20

    A-6 a. Connect the test equipment as shown in Fi g ure A-7. b. T urn the suppl y 's power on and turn CURRENT con- trol full y clockwise. c. T urn up output volta g e to the full rated value. Check that the suppl y 's CV indicator remains li g hted. Reduce VOL T AGE control if not li g hted. d. Set the oscilloscope to AC mode and bandwidt ...

  • Agilent Technologies E3616A - page 21

    A-7 e. Record output volta g e across Rs and convert it to current b y dividin g this volta g e b y Rs. f. Adjust autotransformer to the hi g h line volta g e (127 V ac for nominal 1 15 V ac, 1 10 V ac for nominal 100 V ac, and 253 V ac for nominal 230 V ac). g . When the readin g settles, record the volta g e across Rs a g ain and convert it curre ...

  • Agilent Technologies E3616A - page 22

    A-8 Ammeter and CC Set Calibration T o calibrate ammeter and CC set, proceed as follows: a. Connect test setup on Fi g ure A-9. b. T urn VOL T AGE and CURRENT control full y clock- wise. c. T urn on the suppl y and to calibrate ammeter adjust R5 on the displa y board until front panel AMPS dis- pla y reads exactl y DVM value divided b y Rs. d. T o ...

  • Agilent Technologies E3616A - page 23

    A-9 After the trouble has been isolated to one of the feedback loops, troubleshootin g can proceed as described in T a bles A- 4, A-5, or A-6. Series Re g ulatin g Feedback Loop. When troubleshootin g the series re g ulatin g loop, it is useful to open the loop since measurements made an y where within a closed loop ma y appear abnormal. With a loo ...

  • Agilent Technologies E3616A - page 24

    A-10 SYMPTOM CHECKS AND PROBABLE CAUSES Poor Load Re g ulation (Constant V olta g e) a. Refer to "Measurements T echniques" para g raph. b. Check +10 V reference volta g e. c. Ensure that the suppl y is not g oin g into current limit. Poor Load Re g ulation (Constant Current) a. Check +10 V reference volta g e. b. CR1, CR19, CR20, C2, C31 ...

  • Agilent Technologies E3616A - page 25

    A-11 STEP ACTION RESPONSE PROBABLE CAUSE 4 Check volta g e from pin 13 to pin 12 of U9. a. Measured volta g e is positive. b. Measured volta g e is ne g ative. a. Check U9A is defective. b. Check U10 and U9D is defective. Check R85 is open. 5 Check volta g e from pin 6 to pin 5 of U9. a. Measured volta g e is positive. b. Measured volta g e is ne g ...

  • Agilent Technologies E3616A - page 26

    A-12 REPL A CEA B LE P A R TS IN TRO DU CTI ON This section contains informat ion for ordering replacement parts. T able A-10 lists parts by reference designators and pro- vides the following information: a. Reference designat ors. Refer to T able A-8. b. Agilent T echnologies Part Number . c. T otal quantity us ed in that assembly. d. Description. ...

  • Agilent Technologies E3616A - page 27

    Table A-10. Replaceab le P arts List Reference Designator Agilen Part Number Q'ty Description Model Mfr. P/N Mfr. Code E3614A 1 60W BENCH POWER SUPPLY - E3614A MODEL E3615A 1 60W BENCH POWER SUPPLY - E3615A MODEL E3616A 1 60W BENCH POWER SUPPLY - E3616A MODEL E3617A 1 60W BENCH POWER SUPPLY - E3617A MODEL E3614-60005 1 MAIN BODY ASSY 14 28480 ...

  • Agilent Technologies E3616A - page 28

    Table A-10. Replaceab le P arts List (Con t'd) Reference Designator Agilent Part Number Q'ty Description Model Mfr. P/N Mfr. Code C18,21,24,27 0160-7077 4 CAP-FXD .1UF +-10% 630V POLYE-FL 14,15 28480 C19,22 0160-4822 2 CAP-FXD 1000PF +-5% 100V CER COG 14,15 28480 C20,23 0180-3970 2 CAP-FXD 1UF +-20% 50V AL-ELECTLT 14,15 28480 C28 0160-622 ...

  • Agilent Technologies E3616A - page 29

    Table A-10. Replaceab le P arts List (Con t'd) Reference Designator Agilent Part Number Q'ty Description Model Mfr. P/N Mfr. Code R24,26,27,37,38, 64,88,117,120 0757-0442 9 RESISTOR 10K +-1% .125W TF TC=0+-100 ALL 28480 R25,30,33 0698-8824 3 RESISTOR 562K +-1% .125W TF TC=0+-100 ALL 28480 R28,111 0698-3228 2 RESISTOR 49.9K +-1% .125W TF T ...

  • Agilent Technologies E3616A - page 30

    Table A-10. Replaceab le P arts List (Con t'd) Reference Designator Agilent Part Number Q'ty Description Model Mfr. P/N Mfr. Code R62 0698-8826 1 RESISTOR 825K +-1% .125W TF TC=0+-100 17 28480 R63 0698-8827 1 RESISTOR 1M +-1% .125W TF TC=0+-100 ALL 28480 R65 0757-0274 1 RESISTOR 1.21K +-1%.125W TF TC=0+-100 ALL 28480 R67 0757-0438 1 RESIS ...

  • Agilent Technologies E3616A - page 31

    Table A-10. Replaceab le P arts List (Con t'd) Reference Designator Agilent Part Number Q'ty Description Model Mfr. P/N Mfr. Code R115 0757-0463 1 RESISTOR 82.5K +-1% .125W TF TC=0+-100 15 28480 R115 0757-0462 1 RESISTOR 75K +-1% .125W TF TC=0+-100 16 28480 R115 0757-0461 1 RESISTOR 68.1K +-1% .125W TF TC=0+-100 17 28480 R116 0698-4489 1 ...

  • Agilent Technologies E3616A - page 32

    Table A-10. Replaceab le P arts List (Con t'd) Reference Designator Agilent Part Number Q'ty Description Model Mfr. P/N Mfr. Code CR21,22,23,24,25, 26,27,28,29,30 1901-0033 10 DIODE-GEN PRP 180V 200MA DO-35 ALL 1N645 27014 VR1,2,3 1902-0579 3 DIODE-ZNR 5.1V 5% PD=1W IR=10UA ALL 1N4733APL 04713 RT1,2 0837-0261 2 DIODE-VARISTOR ALL V275LA20 ...

  • Agilent Technologies E3616A - page 33

    Table A-11. Component Value Component Model E3614A E3615A E3616A E3617A C2 1000UF 25V +-20% AL-ELECTLT 470UF 50V +-20% AL-ELECTLT 330UF 50V +-20% AL-ELECTLT 220UF 100V +-20% AL-ELECTLT C7,8 39000UF 25V +-20% AL-ELECTLT 12000UF 63V +-20% AL-ELECTLT 5600UF 100V +-20% AL-ELECTLT 2700UF 160V +-20% AL-ELECTLT C11,16,17,25,26 0.01UF 100V +-10% CER X7R 0. ...

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  • Agilent Technologies E3616A - page 38

    Manual Supple ment Suppleme nt Agile nt Part Number : 5 959-53 36, Edition 4 Supple ment Print Date : 14 April, 200 0 This supplement update s the following document: Agilen t E361XA 60W Series Lab Bench DC Power Supplie s Manual Agile nt Part Number : 5959-53 10 What is a manual suppleme nt? A manual suppleme nt keeps your manu al up-to-date. The ...

  • Agilent Technologies E3616A - page 39

    1-10-1 Voltage and Current Programming of the E3614A/15A/16A/ 17A with a Voltage and Current Source Remote analog voltage programming permits control of the regulated output voltage or current by means of a remotely varied voltage or current. The stability of the programming voltages directly affects the stability of the output. The voltage control ...

  • Agilent Technologies E3616A - page 40

    1-10-2 Programming V oltage Common to the Minus Output Figure 2 Set the CV switch down on the rear panel, and all others up. V in = 1/A x V out V out = A x V in Where V out is the power supply output voltage. V in is the programming voltage. A is the gain factor and the values of each model are as below . Alternative Voltage Programming Using Resis ...

  • Agilent Technologies E3616A - page 41

    1-10-3 Programming V oltage Common to the Minus Output Figure 4 The output will always be the same or less than the programming voltage. The M/S2 switch must be in the down position. For best results, place a 0.1 µ F capacitor in parallel with R2. V in = (R1  R2) / R2 x V out V out = R2 /  R1+R2) x V in Where V out is the power supply output ...

  • Agilent Technologies E3616A - page 42

    1-10-4 Constant Current Mode The E3614A/15A/16A/17A may be programmed for constant current with an analog voltage or current. Constant current with analog voltage programming can only be achieved with a voltage source that is common with the positive output terminal. Constant Current with V oltage Programming Figure 5 Set the CC switch down the rea ...

  • Agilent Technologies E3616A - page 43

    1-10-5 Figure 6 Set the CC switch down, and all others up. I in = 1/A x I out I out = A x V in Where I out is the power supply output current in amps. I in is the programming current in µ amps. A is the gain. Programming currents can be increased by adding a resistor across the CC+ and CC-. A 10 volts drop across R1 represents full scale current o ...

  • Agilent Technologies E3616A - page 44

    1-10-6 Voltage and Current Programming of the E3614A/15A/16A/17A with Resistors Remote programming with resistors permits control of the regulated output or current by means of a remotely varied resistor . The sum of the resistance of external programming resistors (R1 + R2) should be more than 40 kohm. T o have mor e pr ecise output voltage , use ...

  • Agilent Technologies E3616A - page 45

    1-10-7 Remote Resistor Programming, Constant Current Figure 8 Set the CC switch down on the rear panel, and all others up. I out = A x [V REF x {R/(R + R2 + 100)}] Where I out is the power supply output current. A is the gain factor and the values of each model are as below . V REF is between 10.1 1 V and 11.40 V . R = (92800 x R1)/(92800 + R1) R1 ...

  • Agilent Technologies E3616A - page 46

    CERTIFICATION Agilent T ec hnologies c ertifies that th is produ ct m et its published spe cifications at tim e of shipm ent f rom t he f actor y . Agilent T echno logies furt her c ert ifies th at its ca libration m easur eme nts are tr aceable to t he Unit ed St a tes Nat ional Ins titut e of Stan- dards and T echnology (fo rm erly National Bure ...

  • Agilent Technologies E3616A - page 47

    DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Manufacturer’s Name: Manufacturer’s Address: Agilent Technologies, Inc. Power Products PGU 140 Green Pond Road Rockaway, New Jersey 07866 U.S.A Declares, that the product: Product Name: a) Single Output dc Power Supply (dual range) b) Single Output dc Power Supply ...

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