Agilent-technologies E3614A Manual do Utilizador Página 1

Agilent E361xA 60W BENCH SERIES DC POWER SUPPLIESOPERATING AND SERVICE MANUAL FOR MODELS:Agilent E3614AAgilent E3615AAgilent E3616AAgilent E3617AManua

1-10ply above 100% rated output. Limit your programming voltage to 10 Vdc.Remote Programming Connections. Remote programmingrequires changing settings

1-11Setting Voltage and Current. Turn the slave unit's CURRENTcontrol fully clockwise. Adjust the master unit's controls to set thedesired o

1-12AUTO-SERIES OPERATIONAuto-series operation permits equal or proportional voltagesharing, and allows control of output voltage from one masterunit.

1-13Remote Sensing. To remote sense with auto-series operation,set SENSE switch of the master unit and set SENSE switch of theslave unit to remote.Rem

1-14LOAD CONSIDERATIONSThis section provides information on operating your supply withvarious types of loads connected to its output.PULSE LOADINGThe

A-1SERVICE INFORMATIONFigure A-1. Block DiagramPRINCIPLES OF OPERATION(Block Diagram Overview)Throughout this discussion, refer to both the block dia

A-2series pass transistors. Whenever the output voltage is belowthe sloping V1 line, the control circuit inhibits four SCRs andthe input capacitors ch

A-3a.Perform turn-on checkout procedure given in page 1-7.b.Perform the CV and CC Load Regulation perfor-mance tests given in the following paragraphs

A-4CONSTANT VOLTAGE (CV) TESTSCV Setup. For all CV tests set the output current at full ratedoutput to assure CV operation. The onset of constant curr

A-5Figure A-5. Load Transient Response Time WaveformPARD(Ripple and Noise)Definition: PARD is the Periodic and Random Deviation ofthe dc output voltag

1-2SAFETY SUMMARYThe following general safety precautions must be observed during all phases of operation, service, and repair of this instrument. Fai

A-6a. Connect the test equipment as shown in Figure A-7.b. Turn the supply's power on and turn CURRENT con-trol fully clockwise.c. Turn up output

A-7e. Record output voltage across Rs and convert it to current by dividing this voltage by Rs.f. Adjust autotransformer to the high line voltage (127

A-8Ammeter and CC Set CalibrationTo calibrate ammeter and CC set, proceed as follows:a. Connect test setup on Figure A-9.b. Turn VOLTAGE and CURRENT c

A-9After the trouble has been isolated to one of the feedbackloops, troubleshooting can proceed as described in Tables A-4, A-5, or A-6.Series Regulat

A-10SYMPTOM CHECKS AND PROBABLE CAUSESPoor Load Regulation(Constant Voltage)a. Refer to "Measurements Techniques" paragraph.b. Check +10 V

A-11STEP ACTION RESPONSE PROBABLE CAUSE4 Check voltage from pin 13 to pin 12 of U9.a. Measured voltage is positive.b. Measured voltage is negative.a.

A-12REPLACEABLE PARTSINTRODUCTIONThis section contains information for ordering replacementparts. Table A-10 lists parts by reference designator

Table A-10. Replaceable Parts ListReference Designator Agilen Part NumberQ'ty Description Model Mfr. P/N Mfr.CodeE3614A 1 60W BENCH POWER SUPP

Table A-10. Replaceable Parts List (Cont'd)Reference Designator Agilent PartNumberQ'ty Description Model Mfr. P/N Mfr.CodeC18,21,24,27 0

Table A-10. Replaceable Parts List (Cont'd)Reference Designator Agilent PartNumberQ'ty Description Model Mfr. P/N Mfr.CodeR24,26,27,37,3

1-3Table of ContentsSAFETY SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table A-10. Replaceable Parts List (Cont'd)Reference Designator Agilent PartNumberQ'ty Description Model Mfr. P/N Mfr.CodeR62 0698-8826

Table A-10. Replaceable Parts List (Cont'd)Reference Designator Agilent PartNumberQ'ty Description Model Mfr. P/N Mfr.CodeR115 0757-0463

Table A-10. Replaceable Parts List (Cont'd)Reference Designator Agilent PartNumberQ'ty Description Model Mfr. P/N Mfr.CodeCR21,22,23,24,

Table A-11. Component ValueComponent ModelE3614A E3615A E3616A E3617AC2 1000UF 25V +-20% AL-ELECTLT 470UF 50V +-20% AL-ELECTLT 330UF 50V +-20% AL-ELE

Manual SupplementSupplement Agilent Part Number : 5959-5336, Edition 4Supplement Print Date : 14 April, 2000This supplement updates the following docu

1-10-1Voltage and Current Programming of the E3614A/15A/16A/17A with a Voltage and Current SourceRemote analog voltage programming permits control of

1-4GENERAL INFORMATIONINTRODUCTIONThis manual describes all models in the Agilent E361xA 60WBench Power Supply family and unless stated otherwise, the

1-10-2Programming Voltage Common to the Minus OutputFigure 2Set the CV switch down on the rear panel, and all others up.Vin = 1/A x VoutVout = A x Vin

1-10-3Programming Voltage Common to the Minus OutputFigure 4The output will always be the same or less than the programming voltage.The M/S2 switch mu

1-10-4Constant Current ModeThe E3614A/15A/16A/17A may be programmed for constant current with an analog voltage or current. Constant current with anal

1-10-5Figure 6Set the CC switch down, and all others up.Iin = 1/A x IoutIout = A x VinWhere Iout is the power supply output current in amps.Iin is the

1-10-6Voltage and Current Programming of the E3614A/15A/16A/17A with ResistorsRemote programming with resistors permits control of the regulated outpu

1-10-7Remote Resistor Programming, Constant CurrentFigure 8Set the CC switch down on the rear panel, and all others up.Iout = A x [VREF x {R/(R + R2 +

CERTIFICATIONAgilent Technologies certifies that this product met its published specifications at time of shipment from the factory. AgilentTechnologi

DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Manufacturer’s Name: Manufacturer’s Address: Agilent Technologies

1-5be grounded or the power supply can be operated float-ing at up to a maximum of 240 Volts off ground. Total out-put voltage to ground must not exce

1-6Table 1. Specifications and Operating Characteristics (Cont’d)*REMOTE PROGRAMMING SPEEDMaximum time required for output voltage to change from init

1-7e. Replace the cover and mark the supply clearly with a tag or label indicating the correct line voltage and fuse that is in use. Figure 2. Line Vo

1-8that the current limit value can be set from zero to maximum rated value.OPERATING MODESThe setting of the rear panel switch determines the operati

1-9REMOTE OPERATING MODES Remote operating modes discussed below are remote voltagesensing and remote voltage programming. You can set up the unitfor