Agilent Technologies E3614A manuals
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When we buy new device such as Agilent Technologies E3614A we often through away most of the documentation but the warranty.
Very often issues with Agilent Technologies E3614A begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Power Supply Agilent Technologies E3614A is responsible for and what options to choose for expected result.
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Agilent Technologies E3614A Service Manual
47 pages 1.65 Mb
SAFETY SUMMARY 2 !4 GENERAL INFORMATIONSAFETY REQUIREMENTS INSTRUMENT AND MANUAL IDENTIFICATION OPTIONS ACCESSORY DESCRIPTION5 SPECIFICATIONS Table 1. Specifications and Operating Characteristics *AC INPUT DC OUTPUT *OUTPUT TERMINALS LOAD REGULATION LINE REGULATION PARD (Ripple and Noise) OPERATING TEMPERATURE RANGE *TEMPERATURE COEFFICIENT *STABILITY (OUTPUT DRIFT) LOAD TRANSIENT RESPONSE TIME METER ACCURACY:B(0.5% of output + 2 counts)Bat METER (PROGRAMMING) RESOLUTION *OVERLOAD PROTECTION *OVERVOLTAGE PROTECTION *REMOTE ANALOG VOLTAGE PROGRAMMING (25 5oC) REMOTE SENSING Table 1. Specifications and Operating Characteristics (Contd) *REMOTE PROGRAMMING SPEED DC ISOLATION *COOLING: *WEIGH T : 6 INSTALLATIONINITIAL INSPECTIONMechanical Check Electrical Check INSTALLATION DATALocation and Cooling Outline Diagram Rack MountingFigure 1. Outline Diagram INPUT POWER REQUIREMENTSLine Voltage Option ConversionFigure 2. Line Voltage Selector (set for 115 Vac) Power Cord 7 OPERATING INSTRUCTIONSFigure 3. Front-Panel Controls and Indicators TURN-ON CHECKOUT PROCEDUREFigure 4. Switch Settings of Rear-Panel Control for Turn- On Checkout 8 OPERATING MODESLOCAL OPERATING MODEConstant Volta e Operaton Constant Current Operation Overvolta e Protection (OVP) Stron electrostatic dischar e to power suppl can make OVP trip and eventuall crowbar the output, which can effectivel protect output loads from the hazardous ESD current. CONNECTING LOADS OPERATION BEYOND RATED OUTPUT 9 REMOTE OPERATING MODES Remote Voltage Sensingure 5. Remote Volta e Sensin Remote Analog Voltage Programmingpl above 100% rated output. Limit our pro rammin volta e to 10 Vdc. ure 6. Remote Volta e Pro rammin , Constant Volta e ure 7. Remote Volta e Pro rammin , Constant Current 10 MULTIPLE-SUPPLY OPERATIONNORMAL PARALLEL OPERATIONure 8. Normal Parallel Operation of Two Supplies AUTO-PARALLEL OPERATION Proportional currents from auto-paralleled units require equal load-lead volta e drops. Connect each suppl to the load usin separate pairs of wire with len th chosen to provide equal volta e drops from pair to pair. If this is not feasible, connect each suppl to a pair of distribution terminals usin equal- volta e-drop wire pairs, and then connect the distribution terminals to the load with a sin le pair of leads. ure 9. Auto-Parallel Operation of Two Supplies ure 10. Auto-Parallel Operation of Three Supplies 11 NORMAL SERIES OPERATIONure 11. Normal Series Operation of Two Supplies 12 AUTO-SERIES OPERATIONTotal output volta ure 13. Auto-Series Operation of Three Suppliese to round must not exceed 240 Vdc. ure 12. Auto-Series Operation of Two Supplies 13 AUTO-TRACKING OPERATONure 14. Auto-Trackin Operation of Two Supplies ure 15. Auto-Trackin Operation of Three Supplies 14 LOAD CONSIDERATIONSPULSE LOADING REVERSE CURRENT LOADINGure 16. Reverse Current Loadin Solution OUTPUT CAPACITANCE REVERSE VOLTAGE LOADING BATTERY CHARGINGure 17. Recommended Protection Circuit for Batter Char in 15 SERVICE INFORMATIONFigure A-1. Block Diagram PRINCIPLES OF OPERATION(Block Diagram Overview)ure A-2. Output Power Plot 16 MAINTENANCEINTRODUCTIONTest Equipment Required Operation Verification Tests 17 PERFORMANCE TESTSMeasurement TechniquesFigure A-3. Current Monitoring Resistor Connections Table A-1. Test Equipment Required TYPE REQUIRED CHARACTERISTICS USE RECOMMENDED MODEL 18 CONSTANT VOLTAGE (CV) TESTSLoad Regulation (Load Effect)ure A-4. Basic Test Setup Line Regulation (Source Effect) Load Transient Response Timeure A-5. Load Transient Response Time Waveform 19 PARD(Ripple and Noise)PARD(RMS) Measurementure A-6. CV PARD RMS Measurement Test Setup PARD(Peak-to-Peak) Measurementure A-7.B CV PARD Peak-to-Peak Measurement Test Setup CV Drift (Stability) 20 CONSTANT CURRENT (CC) TESTSLoad Re ulation (Load Effect) Line Re ulation (Source Effect) PARD(Ripple and Noise) PARD(RMS) Measurementure A-9. Calibration Test Setup ure A-8. CC PARD RMS Measurement Test Setup CC Drift (Stability) 21 ADJUSTMENT AND CALIBRATION PROCEDUREMaintenance described herein is performed with power supplied to the suppl , and protective covers removed. Such maintenance should be performed onl 22 Ammeter and CC Set CalibrationVoltmeter and OVP Set Calibration TROUBLESHOOTINGThe applicable test points are identified b encircled numbers on the schematic dia rams at the rear of the manual, Fi ure A-10, Fi ure A-11, Fi ure A-12, and Fi ure 13. Overall Troubleshooting Procedure Reference and Bias Circuit Regulating Loop Troubles 23 Overvoltae Protection Circuit TroublesPOSITIVE NORMAL INDICATION NORMAL RIPPLE Table A-2. Reference and Bias Circuit Troubleshootin METER COMMON METER (p-p) PROBABLE CAUSE Table A-3. Overall Troubleshootin 24 SYMPTOM CHECKS AND PROBABLE CAUSESTable A-3. Overall Troubleshootin (Contd) Table A-4. Hi h Output Volta 25 Table A-5. Low Output Volta (Contd) Table A-6. Prere ulator/Control Circuit Troubleshootin STEP MEASURE RESPONSE PROBABLE CAUSE 26 REPLACEABLE PARTSORDERING INFORMATIONTable A-7. Overvoltage Protection Circuit Troubleshooting STEP ACTION RESPONSE PROBABLE CAUSE Table A-8. Reference Designators Table A-9. Code List of Manufacturers CODE MANUFACTURER ADDRE SS 27 Table A-10. Rep laceable Parts ListTable A-11. Component Value 33 Component ModelA-19E3614A E3615A E3616A E3617A 38 Manual Supplement46 I
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