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Related Manuals for Keysight Technologies U8030A Series
Summary of Contents for Keysight Technologies U8030A Series
- Page 1 Keysight U8030A Series Triple Output DC Power Supply Service Guide...
- Page 2 FAR 27.401 or DFAR 227.7103-5 (c), as applicable in any Do not proceed beyond a WARNING technical data. notice until the indicated conditions are fully understood and met. Keysight U8030A Series Service Guide...
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Page 3: Safety Symbols
Direct current (DC) designed to be operated with one terminal at earth potential. Alternating current (AC) Positive binding post Protective earth (ground) terminal Negative binding post Out position of a bi-stable push control Keysight U8030A Series Service Guide... -
Page 4: Safety Considerations
– Do not install substitute parts or perform any unauthorized modification to the device. – Do not operate the device with the cover removed or loosened. – Use only the power adapter provided by the manufacturer to avoid any unexpected hazards. Keysight U8030A Series Service Guide... -
Page 5: Environmental Conditions
Environmental Conditions The U8030A Series is designed for indoor use and in an area with low condensation. The table below shows the general environmental requirements for this instrument. Environmental cond ition Requirement Operating temperature 0 °C to 40 °C Storage temperature –40 °C to 70 °C... -
Page 6: Regulatory Markings
The CSA mark is a registered substance elements are expected to trademark of the Canadian leak or deteriorate during normal use. Standards Association. Forty years is the expected useful life of the product. Keysight U8030A Series Service Guide... -
Page 7: Waste Electrical And Electronic Equipment (Weee) Directive 2002/96/Ec
To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/U8030 (product-specific information and support, software and documentation updates) – www.keysight.com/find/assist (worldwide contact information for repair and service) Keysight U8030A Series Service Guide... - Page 8 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U8030A Series Service Guide...
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Page 9: Table Of Contents
........49 Keysight U8030A Series Service Guide... - Page 10 ....... . 57 Obtaining Repair Service (Worldwide) ......58 Keysight U8030A Series Service Guide...
- Page 11 Orientation of voltage selector for different voltage selection ....... . .53 Keysight U8030A Series Service Guide...
- Page 12 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U8030A Series Service Guide...
- Page 13 ......53 Table 2-3 Replaceable parts for U8031A/U8032A ...56 Keysight U8030A Series Service Guide...
- Page 14 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U8030A Series Service Guide...
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Page 15: Calibration Procedures
Keysight U8030A Series Triple Output DC Power Supply Service Guide Calibration Procedures Keysight Calibration Services Recommended Test Equipment Test Considerations Measurement Techniques Performance Verification Tests Performance Test Record for U8031A Performance Test Record for U8032A Using the Front Panel for Adjustments... -
Page 16: Keysight Calibration Services
During performance verification tests, only the performance data is collected; these tests do not guarantee that the instrument will remain within the specified limits. The tests are only for identifying which functions need adjustment. Keysight U8030A Series Service Guide... -
Page 17: Recommended Test Equipment
Electronic load Keysight 6060B regulations and transient – Open and Short switches response time – Transient On/Off Capable of supplying 90 Vac to Functions as variable voltage AC power source Keysight 6813B 250 Vac transformer Keysight U8030A Series Service Guide... -
Page 18: Table 1-3 Table
Current monitoring ISOTEK Co. Current monitoring resistor resistor (shunt) (R Model A-H – TCR less than 20 ppm/ºC [a] PV: Performance Verification, see page 24 for more information. C: Calibration, see page 43 for more information. Keysight U8030A Series Service Guide... -
Page 19: Test Considerations
– Allow a warm-up period of 1 hour by powering on the power supply. During the warm-up period, set the power supply to its maximum programmable voltage and current. Then, enable the output. – Keep the test setup connection cables as short as possible. Keysight U8030A Series Service Guide... -
Page 20: Measurement Techniques
(+) and negative (–) terminals on the front panel. – DC voltmeter or scope – – Electronic load or resistor Figure 1-1 Test setup (A) – Current DC voltmeter shunt – – Electronic load or resistor Figure 1-2 Test setup (B) Keysight U8030A Series Service Guide... - Page 21 Calibration Procedures – Load resistor – Differential amplifier output termination Input scope or RMS voltmeter Figure 1-3 Test setup (C) Keysight U8030A Series Service Guide...
- Page 22 (R ) between the (–) output terminal and the load as a four-terminal device. Connect the current monitoring leads inside the load-lead connections directly at the monitoring points on the resistor element. Keysight U8030A Series Service Guide...
- Page 23 The substitution of the electronic load requires minor changes to the test procedures in this chapter. Keysight U8030A Series Service Guide...
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Page 24: Performance Verification Tests
Use the performance verification tests to verify the measurement performance of the instrument. The performance verification tests use the instrument’s specifications listed in the U8030A Series User’s Guide (available for download at www.keysight.com/find/U8030). The performance verification tests are recommended as acceptance tests when you first receive the instrument. - Page 25 13 When the power supply is in the meter mode, record the voltage reading shown on the power supply. This value should be within the limit of – V ± 0.09 V for U8031A, and – V ± 0.165 V for U8032A. Keysight U8030A Series Service Guide...
- Page 26 5 step 6 with the reading obtained step 7. The difference should be within the limit of – 5 mV for U8031A, – 8 mV for U8032A, and – ≤ 5 mV for Output 3. Keysight U8030A Series Service Guide...
- Page 27 9 The difference between the multimeter readings in step 7 step 8 should be within the limit of – 5 mV for U8031A, – 8 mV for U8032A, and – ≤ 5 mV for Output 3. Keysight U8030A Series Service Guide...
- Page 28 – Set the attenuation to 1 – Set the low-pass filter to 20 MHz bandwidth limit to filter out input signals that contain higher frequencies – Enable the zero precision voltage generator – Set the input impedance to 50 Ω Keysight U8030A Series Service Guide...
- Page 29 50 Ω termination. Divide the reading of the RMS voltmeter by 10. The result should not exceed the RMS limits of – 1 mV for U8031A and U8032A, and – 2 mV for Output 3. Keysight U8030A Series Service Guide...
- Page 30 7 Adjust the oscilloscope to display transients as shown in Figure 1-6. Note that the pulse width (t – t ) of the transients at 15 mV from the base line is no more than 50 μs for the output. Keysight U8030A Series Service Guide...
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Page 31: Constant Current (Cc) Verification
0 A. 4 Enable the output. 5 Wait for a few seconds for the output of the power supply to settle. Ensure that the power supply is in the CC mode. Keysight U8030A Series Service Guide... - Page 32 13 When the power supply is in the meter mode, record the current reading shown on the power supply. This value should be within the limit of: – I ± 25 mA for U8031A, and – I ± 17.5 mA for U8032A. Keysight U8030A Series Service Guide...
- Page 33 8 Compare the reading obtained in step 6 step 7. The difference should be within the limit of: – 3.2 mA for U8031A, and – 2.6 mA for U8032A. Keysight U8030A Series Service Guide...
- Page 34 9 Compare the reading obtained in step 7 step 8. The difference should be within the limit of: – 3.2 mA for U8031A, and – 2.6 mA for U8032A. Keysight U8030A Series Service Guide...
- Page 35 – Set the attenuation to 1 – Set the low-pass filter to 20 MHz bandwidth limit to filter out input signals that contain higher frequencies – Enable the zero precision voltage generator – Set input impedance to 50 Ω Keysight U8030A Series Service Guide...
- Page 36 – AC coupling 8 Divide the reading of the RMS voltmeter by 10, and then multiply the result by 5 to get the RMS noise measurement. The result should not exceed the RMS limits of 1 mA Keysight U8030A Series Service Guide...
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Page 37: Performance Test Record For U8031A
DVM + 0.085 V DVM – 0.085 V Output 2 DVM + 0.085 V DVM – 0.085 V CV load regulation Maximum change: Output 1 <5 mV Output 2 <5 mV Output 3 ≤5 mV Keysight U8030A Series Service Guide... -
Page 38: Table 1-5 Table
CC programming accuracy @ 0 volts (I Output 1 +0.015 A –0.015 A Output 2 +0.015 A –0.015 A CC readback accuracy @ 0 volts + 0.010 A – 0.010 A Output 1 + 0.010 A – 0.010 A Output 2 Keysight U8030A Series Service Guide... -
Page 39: Table
CC load regulation Maximum change: Output 1 <3.2 mA Output 2 <3.2 mA CC line regulation Maximum change: Output 1 <3.2 mA Output 2 <3.2 mA CC ripple/noise ≤1 mA Output 1 ≤1 mA Output 2 Keysight U8030A Series Service Guide... -
Page 40: Performance Test Record For U8032A
DVM + 0.165 V DVM – 0.165 V Output 2 DVM + 0.165 V DVM – 0.165 V CV load regulation Maximum change: Output 1 <8 mV Output 2 <8 mV Output 3 ≤5 mV Keysight U8030A Series Service Guide... - Page 41 CC programming accuracy @ 0 volts (I Output 1 +0.015 A –0.015 A Output 2 +0.015 A –0.015 A CC readback accuracy @ 0 volts + 0.010 A – 0.010 A Output 1 + 0.010 A – 0.010 A Output 2 Keysight U8030A Series Service Guide...
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Page 42: U8032A Cc Performance Test Record
CC load regulation Maximum change: Output 1 <2.6 mA Output 2 <2.6 mA CC line regulation Maximum change: Output 1 <2.6 mA Output 2 <2.6 mA CC ripple/noise ≤1 mA Output 1 ≤1 mA Output 2 Keysight U8030A Series Service Guide... -
Page 43: Using The Front Panel For Adjustments
– Output 1 is enabled. The OFF annunciator turns off. – Ensure that the output is in the CV mode, otherwise the CC annunciator for Output 1 will blink and the calibration will not proceed. Keysight U8030A Series Service Guide... - Page 44 – Output 1 is enabled. The OFF annunciator turns off. – Ensure that the output is in the CC mode, otherwise the CV annunciator for Output 1 will blink and the calibration will not proceed. Keysight U8030A Series Service Guide...
- Page 45 – Output 2 is enabled. The OFF annunciator turns off. – Ensure that the output is in the CV mode, otherwise the CC annunciator for Output 2 will blink and the calibration will not proceed. Keysight U8030A Series Service Guide...
- Page 46 – Output 2 is enabled. The OFF annunciator turns off. – Ensure that the output is in the CC mode, otherwise the CV annunciator for Output 2 will blink and the calibration will not proceed. Keysight U8030A Series Service Guide...
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Page 47: Restarting The Calibration Procedure
“Performance Verification Tests” on page 24. Restarting the calibration procedure After the calibration procedure is completed, it can be restarted by pressing the [Memory] button. The calibration procedure will restart with the voltage calibration for Output 1. Keysight U8030A Series Service Guide... -
Page 48: Toggling Between Channels And Calibration Modes
Exiting the calibration mode 1 Remove all the shunt resistors and connectors from the instrument. 2 Power off and on again. The instrument will return to normal operation. Keysight U8030A Series Service Guide... -
Page 49: List Of Error Codes
EEPROM read error Failed to calibrate voltage DAC Failed to calibrate voltage ADC Failed to calibrate OVP Failed to calibrate current DAC Failed to calibrate current ADC Failed to calibrate OCP Analog board unknown error Keysight U8030A Series Service Guide... - Page 50 Over temperature Failed EEPROM test Failed voltage +15 V Failed voltage +5 V Failed voltage +2.5 V Failed voltage +1 V Failed ADC test Failed DAC test Failed communication with analog board Unsupported analog board Keysight U8030A Series Service Guide...
- Page 51 Keysight U8030A Series Triple Output DC Power Supply Service Guide Service and Maintenance Troubleshooting Line Voltage Conversion Self-Test Procedure Returning the Instrument for Service Replaceable Parts Types of Service Available Obtaining Repair Service (Worldwide) This chapter will help you troubleshoot a failing instrument. It also describes how...
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Page 52: Service And Maintenance
Unit is inoperative – Verify the power- line voltage setting. – Verify that the power- line fuse is installed. [a] See Table 2-3 on page 56 for more information on the power-line fuse part number and description. Keysight U8030A Series Service Guide... -
Page 53: Line Voltage Conversion
Figure 2-1 Orientation of voltage selector for different voltage selection Table 2-2 Line voltage fuse rating indicator for U8031A/U8032A Fuse ~ Line Rating: 100 V 47-63 Hz 1.0 AT 115 V 600 VA 230 V Keysight U8030A Series Service Guide... -
Page 54: Self-Test Procedure
Verify that the correct power-line voltage setting is selected. Also, ensure that all terminal connections are removed while the power-on self-test is performed. Please refer to “List of Error Codes” on page 49 for the list of error codes. Keysight U8030A Series Service Guide... -
Page 55: Returning The Instrument For Service
Returning the Instrument for Service Before shipping your instrument for repair or replacement, Keysight recommends that you acquire the shipping instructions from the Keysight Technologies Service Center. A clear understanding of the shipping instructions is necessary to secure your product for shipment. -
Page 56: Replaceable Parts
To order replaceable parts from Keysight, do the following: 1 Contact your nearest Keysight Sales Office or Service Center. 2 Identify the parts by the Keysight part number shown in the support parts list. 3 Provide the instrument model number and serial number. Keysight U8030A Series Service Guide... -
Page 57: Types Of Service Available
Service and Maintenance Types of Service Available If your instrument fails during the warranty period, Keysight Technologies will repair or replace it under the terms of your warranty. Extended service contracts Many Keysight products are available with optional service contracts that extend the covered period after the standard warranty expires. -
Page 58: Obtaining Repair Service (Worldwide)
Service and Maintenance Obtaining Repair Service (Worldwide) To obtain service for your instrument (in-warranty or under service contract), contact your nearest Keysight Technologies Service Center. They will arrange to have your unit repaired or replaced, and can provide warranty information where applicable. - Page 59 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2012, 2014, 2017 Edition 3, July 1, 2017 Printed in Malaysia *U8031-90013* U8031-90013 www.keysight.com...