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Introduction

Keysight U8030A Series User’s Guide

About This Manual

The descriptions and instructions in this manual apply to the Keysight U8031A

and U8032A triple output DC power supplies (hereafter referred to as the power

supply).
The model U8032A appears in all illustrations.

Documentation map

The following manuals are available for your power supply. For the latest version,

please visit our website at:

http://www.keysight.com/find/U8031A

Check the manual revision on the first page of each manual.
–

User’s Guide.

This manual.

–

Quick Reference Guide.

Printed copy, included with the shipment.

–

Service Guide.

Free download at the Keysight website.

Safety notes

Safety notes are used throughout this manual (see the

Safety Information

section

for format examples). Familiarize yourself with each of the notes and its meaning

before operating your power supply.
More pertinent safety notes for using this product are located under the

Safety

Considerations

section.

Do not proceed beyond a safety notice until the indicated conditions are fully

understood and met.

Summary of Contents for U8030A Series

Page 1: ...i c i a n sw i t ho v e r 1 5 0y e a r so f s p e c i a l i z a t i o n 9 0d a yw a r r a n t y 5d a yr i g h t o f r e t u r no na l l e q u i p me n t 1 3y e a r w a r r a n t i e sf o r n e wa n d p r e mi u m r e f u r b i s h e de q u i p me n t E v e r yu n i t t e s t e dt oO E Ms p e c i f i c a t i o n s S a t i s f a c t i o ng u a r a n t e e d Y o uh a v ep l a n s w ew i l l h e l py ...

Page 2: ...Keysight U8030A Series Triple Output DC Power Supply User s Guide ...

Page 3: ...ghts customarily provided to the public to use modify reproduce release perform display or disclose commercial computer software or commercial computer software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are explicitly required from all providers of commercial computer software pursuant...

Page 4: ...risk of danger refer to this manual for specific Warning or Caution information In position of a bi stable push control Direct current DC Terminal is at earth potential Used for measurement and control circuits 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 ...

Page 5: ... manufacturer the device protection may be impaired Always use dry cloth to clean the device Do not use ethyl alcohol or any other volatile liquid to clean the device Do not permit any blockage of the ventilation holes of the device WARNING Do not use the device if it appears damaged or defective Do not operate the device around flammable gases or fumes vapor or wet environments Observe all markin...

Page 6: ...rage condition 40 C to 70 C Humidity 15 RH relative humidity to 85 RH at 40 C non condensing Altitude Up to 2000 m Installation category II Pollution degree 2 NOTE The U8030A Series Triple Output DC Power Supply complies with the following safety and EMC requirements IEC61326 1 2005 EN61326 1 2006 CISPR 11 2003 EN55011 2007 Canada ICES NMB 001 Issue 4 June 2006 Australia New Zealand AS NZS CISPR11...

Page 7: ...the Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste The CSA mark is a registered trademark of the Canadian Standards Association This symbol indicates the time pe...

Page 8: ...a Monitoring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Center or visit http about keysight com en companyinfo environment takeback shtml for more information Sales and Technical Support To contact Keysight for sales and technical support refer to the ...

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Page 10: ...duction About This Manual 18 Documentation map 18 Safety notes 18 Preparing Your Power Supply 19 Checking the shipment 19 Connecting power to the instrument 20 Checking the instrument output 21 Rack mounting the instrument 24 Enabling or disabling the backlight 25 Your Power Supply in Brief 26 Dimensions 26 Overview 27 Display screen 30 Output connections 32 Operating Your Power Supply 33 Cooling ...

Page 11: ...Output Operations 49 Enable the memory output single operation 49 Enable the memory output loop operation 50 Program the memory output time interval 51 Programming the Overvoltage Protection 52 Set the OVP trip level and enable the OVP 52 Disable the OVP 53 Clear the overvoltage condition 53 Programming the Overcurrent Protection 55 Set the OCP trip level and enable the OCP 55 Disable the OCP 56 C...

Page 12: ...Keysight U8030A Series User s Guide 11 Series connection 60 Parallel connection 61 3 Characteristics and Specifications ...

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Page 14: ... dimensions 24 Figure 1 3 U8030A Series dimensions 26 Figure 1 4 The front panel at a glance 27 Figure 1 5 The rear panel at a glance 29 Figure 1 6 The LCD display at a glance 30 Figure 2 1 Recommended protection circuit for battery charging 54 Figure 2 2 Connecting units in series 61 Figure 2 3 Connecting units in parallel 62 ...

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Page 16: ...of rated fuse for line voltages 21 Table 1 2 Front panel legends and descriptions 27 Table 1 3 Rear panel legends and descriptions 29 Table 1 4 LCD display legends and descriptions 30 Table 1 5 List of system error codes 34 Table 1 6 List of power channel error codes 34 ...

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Page 18: ...n About This Manual 18 Preparing Your Power Supply 19 Your Power Supply in Brief 26 Operating Your Power Supply 33 List of Error Codes 34 This chapter teaches you how to set up your power supply for the first time An introduction to all the features of the power supply is also given ...

Page 19: ...ht com find U8031A Check the manual revision on the first page of each manual User s Guide This manual Quick Reference Guide Printed copy included with the shipment Service Guide Free download at the Keysight website Safety notes Safety notes are used throughout this manual see the Safety Information section for format examples Familiarize yourself with each of the notes and its meaning before ope...

Page 20: ...ur ordered options are included in the shipment according to the standard shipped items list shown below 3 For any question or problems refer to the Keysight contact numbers on the back of this manual Standard shipped items Verify that you have received the following items in the shipment of your power supply If anything is found missing or damaged please contact your nearest Keysight Sales Office...

Page 21: ... Series Service Guide for instructions on returning the instrument to Keysight Technologies for service 1 Verify that there is AC power to the power supply First verify that the power cord is firmly plugged into the power receptacle on the rear panel of the power supply You should also make sure that the power source you plugged the power supply into is energized Then verify that the power supply ...

Page 22: ... can monitor actual values of output voltage and current meter mode or voltage and current limit values limit mode Voltage output check The following steps verify basic voltage functions with no load 1 Turn on the power supply The power supply starts up for the first time in the power on reset state all the outputs are disabled the OFF annunciator is turned on 2 Enable the outputs Press the All On...

Page 23: ... turn off the power supply Current output check The following steps verify basic current functions with a short across the power supply output 1 Turn off the power supply 2 Connect a short across the and output terminals of Output 1 with an insulated test lead Use a wire size sufficient to handle the maximum current refer to the American Wire Gauge standard 3 Turn on the power supply Ensure that a...

Page 24: ...ltage Current button Ensure that the A annunciator is blinking before proceeding with the next step Turn the knob clockwise or counterclockwise when the display is in the meter mode the LIMIT annunciator is off Check that the ammeter responds to the knob control and the voltmeter indicates nearly zero the voltmeter will show the voltage drop caused by the test lead 7 Ensure that the current can be...

Page 25: ... You can mount the power supply in a standard 19 inch rack cabinet Instructions and mounting hardware are included with the rack mounting kit To rack mount a single instrument order adapter kit 5063 9245 Figure 1 1 Rack mount adapter kit Figure 1 2 U8030A Series rack mount dimensions ...

Page 26: ...nable or disable the LCD backlight through the front panel Press the Back Light button to disable the LCD backlight If viewing the display becomes difficult in low light conditions press the Back Light button again to enable the LCD backlight NOTE The LCD backlight is enabled by default upon power on ...

Page 27: ...1 Introduction 26 Keysight U8030A Series User s Guide Your Power Supply in Brief Dimensions Figure 1 3 U8030A Series dimensions 179 0 mm 212 3 mm 379 0 mm ...

Page 28: ...able 1 2 Front panel legends and descriptions Legend Description 1 LCD display Displays the instrument settings and readings 2 Memory Stores the current operating state or recalls a previously stored operating state from the available memory locations M1 M2 or M3 3 Memory Output Recalls all stored operating in sequence once single or in a loop 4 Δt Adjusts the memory output time interval ...

Page 29: ...isables the front panel operation 13 5 V On Off Enables or disables the power supply output from the 5 V binding posts 14 All On Off Enables or disables the power supply output from all the binding posts Output 1 Output 2 and 5 V 15 Knob Increases and decreases the value of the blinking digit on the LCD display 16 1 Selects the knob control function for Output 1 adjustment 17 2 Selects the knob co...

Page 30: ... fuse To maintain protection replace this fuse only with a fuse of the specified type and rating 2 AC inlet Connects the AC power line Plug the power cord firmly in here 3 Line voltage and fuse rating selector Set the line voltage and line fuse rating to the proper values that are appropriate for your location 4 Ventilation fan Ventilation fan to exhaust heat and air from the instrument 5 Physical...

Page 31: ...s in the calibration mode these states can be used to store the calibration constants 2 M2 3 M3 4 Δt When the Δt annunciator is steady the single memory output operation is active When the Δt annunciator is blinking the loop memory output operation is active 5 LOCK Front panel operation is disabled 6 LIMIT The voltage and current limit values are shown in the display 7 OFF All the power supply out...

Page 32: ...eared 15 OCP2 When the OCP2 annunciator is steady the overcurrent protection function for Output 2 is enabled When the OCP2 annunciator is blinking an overcurrent condition has occurred The power supply output is disabled until the trip is cleared 16 5VOL An overload condition has occurred in the 5 V output channel The power supply output is disabled until the trip is cleared 17 TRACK The track op...

Page 33: ...m short circuit current without overheating excessive voltage drops will not be a problem The voltage drops across the load wires should be limited to less than 2 V Refer to the American Wire Gauge AWG standard to calculate the voltage drop for some commonly used AWG wire copper WARNING Before attempting to connect wires to the front output terminals make sure to disable the power supply output fi...

Page 34: ...5 C A fan cools the power supply by drawing air through the sides and exhausting it out the back Using a Keysight rack mount will not impede the flow of air Bench operation Your power supply must be installed in a location that allows sufficient space at the sides and rear of the power supply for adequate air circulation Cleaning No cleaning is required for this product If you wish to remove dust ...

Page 35: ...e test 002 Failed RAM test 003 Flash read write error Table 1 6 List of power channel error codes Error code Description 104 EEPROM write error 105 Analog board firmware update error 106 Analog board firmware checksum error 107 EEPROM read error 108 Failed to calibrate voltage DAC 109 Failed to calibrate voltage ADC 110 Failed to calibrate OVP 111 Failed to calibrate current DAC 112 Failed to cali...

Page 36: ...test 131 Failed voltage 15 V 132 Failed voltage 5 V 133 Failed voltage 2 5 VREF 134 Failed voltage 1 VREF 135 Failed ADC test 136 Failed DAC test 140 Failed communication with analog board 141 Unsupported analog board Table 1 6 List of power channel error codes continued Error code Description ...

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Page 38: ...k Mode Operation 44 Output On Off Operation 45 Memory Operations 47 Memory Output Operations 49 Programming the Overvoltage Protection 52 Programming the Overcurrent Protection 55 Keylock Operation 58 System Related Operations 59 Extending the Voltage and Current Range 60 This chapter shows you the operations and features for the U8030A Series triple output DC power supplies ...

Page 39: ...shows OFF for both outputs line 1 and 2 2 Select an output channel Press 1 to select Output 1 or Press 2 to select Output 2 The corresponding annunciator OUT1 or OUT2 turns on 3 Set the display to the limit mode Press the Display Limit button to set the display to the limit mode The LIMIT annunciator turns on The display will show the voltage and current limit values for the selected output The di...

Page 40: ...or is blinking turn the knob to adjust for the desired current limit value 6 Return to the meter mode Press the Display Limit button to return to the meter mode The LIMIT annunciator turns off 7 Enable the output Press the Output 1 On Off or Output 2 On Off button to enable the output The OFF annunciator turns off and the CV annunciator turns on for the corresponding output The display is now in t...

Page 41: ... then perform a self test self test is not indicated at the display The display turns on all annunciators briefly The outputs are disabled by default the OFF annunciator turns on The display shows OFF for both outputs line 1 and 2 3 Select an output channel Press 1 to select Output 1 or Press 2 to select Output 2 The corresponding annunciator OUT1 or OUT2 turns on 4 Set the display to the limit mo...

Page 42: ...ess the Display Limit button to return to the meter mode The LIMIT annunciator turns off 8 Enable the output Press the Output 1 On Off or Output 2 On Off button to enable the output The OFF annunciator turns off and the CC annunciator turns on for the corresponding output The display is now in the meter mode NOTE When you press the Display Limit button the voltage and current limit values will be ...

Page 43: ...efault The OFF annunciator turns on The display shows OFF for both outputs line 1 and 2 2 Enable the 5 V output Press the 5 V On Off button to enable the 5 V output The OFF annunciator turns off and the 5 V annunciator turns on 3 Disable the 5 V output Press the 5 V On Off button again to disable the 5 V output The 5 V annunciator turns off Overload condition When an overload condition is detected...

Page 44: ...en an internal circuit fault is detected the 5 V output will be disabled automatically The 5 V annunciator blinks The circuit fault condition might be cleared by cycling the unit power If the fault condition persists stop using the unit and send it to an authorized service center for repair ...

Page 45: ...The corresponding annunciator OUT1 or OUT2 turns on 2 Set the desired voltage setting for the selected output channel Repeat step 3 to step 7 from the Constant Voltage Operation on page 38 3 Enable the track mode Press and hold the Track button The display shows HOLd until the track mode is enabled The TRACK annunciator turns on The voltage setting of the non selected output is set to the same vol...

Page 46: ... disabled by default 1 Enable all outputs at the same time Press the All On Off button to enable all the outputs in a single button press The OFF annunciator turns off The display shows voltage and current values for Output 1 on line 1 and Output 2 on line 2 The 5 V annunciator turns on 2 Disable all outputs at the same time If any of the outputs are enabled pressing the All On Off button will dis...

Page 47: ...ff button again to disable Output 1 2 Enable or disable Output 2 Press the Output 2 On Off button to enable Output 2 The display shows voltage and current values for Output 2 on line 2 The display Output 1 on line 1 remains unchanged Press the Output 2 On Off button again to disable Output 2 3 Enable or disable the 5 V output Press the 5 V On Off button to enable the 5 V output The 5 V annunciator...

Page 48: ... and recall an operating state Storing an operating state 1 Store the power supply current operating state Press the Memory button The M1 annunciator will blink 2 Turn the knob to choose the memory location for storing the operation state The M1 M2 and M3 annunciators will blink in a round robin manner 3 Press the Memory button again to save the current operating state in the chosen memory locatio...

Page 49: ...emory location 2 Turn the knob to show the settings saved in M1 M2 and M3 memory locations The M1 M2 and M3 annunciators will turn on in a round robin manner The display shows the settings stored in the M1 M2 and M3 memory location in a round robin manner 3 Press the Memory button again to recall the stored operating state in the chosen memory location The display will show dOnE The M1 M2 and M3 a...

Page 50: ...e Memory Output button The display shows HOLd until the memory output operation is enabled The Δt annunciator turns on and all the M1 M2 and M3 annunciators turn on The operating state from M1 memory location is recalled immediately The M1 annunciator blinks The M2 and M3 annunciators are steadily on After waiting for Δt1 the operating state from M2 memory location is recalled The M2 annunciator b...

Page 51: ...are steadily on After waiting for Δt1 the operating state from M2 memory location is recalled The M2 annunciator blinks The M1 and M3 annunciators are steadily on After waiting for Δt2 the operating state from M3 memory location is recalled The M3 annunciator blinks The M1 and M2 annunciators are steadily on After waiting for Δt3 the operating state from M1 memory location is recalled The process ...

Page 52: ...on until the corresponding M2 or M3 annunciator turns on The display shows the time interval in seconds with the integral part on line 1 and the fractional part on line 2 Press the Δt button to change the cursor position Turn the knob to adjust the value The time interval can be set with a resolution up to 10 ms You can set the time interval within the range of 0 s to 9999 99 s Press and hold the ...

Page 53: ...ge condition Set the OVP trip level and enable the OVP 1 Select an output channel Press 1 to select Output 1 or Press 2 to select Output 2 The corresponding annunciator OUT1 or OUT2 turns on 2 Set the OVP trip level Press the Over Voltage button The LIMIT annunciator turns off The corresponding OVP annunciator OVP1 or OVP2 will blink continuously The display will show the OVP value for the selecte...

Page 54: ...1 or OUT2 turns on 2 Disable the OVP Press the Over Voltage button again to disable the OVP The corresponding OVP annunciator OVP1 or OVP2 turns off Clear the overvoltage condition The OVP trip can only occur if the corresponding output is enabled When the OVP trip occurs the corresponding output is disabled automatically If the OVP trip occurs on Output 1 the display shows triP on line 1 and the ...

Page 55: ...OTE If the OVP trip persists decrease the voltage limit settings to clear the tripping NOTE The power supply s OVP circuit contains a crowbar SCR which effectively shorts the output of the power supply whenever the overvoltage condition occurs If an external voltage source such as a battery is connected across the output and the overvoltage condition inadvertently occurs the SCR will continuously ...

Page 56: ...nt condition Set the OCP trip level and enable the OCP 1 Select an output channel Press 1 to select Output 1 or Press 2 to select Output 2 The corresponding annunciator OUT1 or OUT2 turns on 2 Set the OCP trip level Press the Over Current button The LIMIT annunciator turns off The corresponding OCP annunciator OCP1 or OCP2 will blink continuously The display will show the OCP value for the selecte...

Page 57: ...CP annunciator OCP1 or OCP2 turns on Disable the OCP 1 Select an output channel with OCP enabled Press 1 to select Output 1 or Press 2 to select Output 2 The corresponding annunciator OUT1 or OUT2 turns on 2 Disable the OCP Press the Over Current button again to disable the OCP The corresponding OCP annunciator OCP1 or OCP2 turns off NOTE To cancel this operation allow the unit to idle for five se...

Page 58: ...isplay shows triP on line 1 and the OCP1 annunciator blinks If the OCP trip occurs on Output 2 the display shows triP on line 2 and the OCP2 annunciator blinks 1 Select the output channel with the OCP trip Press 1 to select Output 1 or Press 2 to select Output 2 The corresponding annunciator OUT1 or OUT2 turns on 2 Clear the OCP trip Press the Over Current button again to clear the OCP trip NOTE I...

Page 59: ...led by default upon power up 1 Enable the keylock Press the Lock Unlock button The LOCK annunciator turns on When the keylock function is enabled the knob and all the buttons are disabled except the Lock Unlock button 2 Disable the keylock Press and hold the Lock Unlock button for more than one second While the Lock Unlock button is being held down the display will show HOLd until the keylock is d...

Page 60: ...test occurs automatically when the power supply unit is turned on This test ensures the unit is operational The power on self test checks for flash data memory and checks the voltage and current outputs when the unit is turned off Display the firmware and board versions To display the firmware and board versions press and hold the Over Voltage and Display Limit buttons simultaneously when powering...

Page 61: ...h power supplies or with a separate load for each power supply The power supply has a diode with reverse polarity connected across the output terminals to avoid any damages when operated in series with other power supplies It will be protected if the load is short circuited or when one of the power supply is turned on separately in a series connected power supplies When serial connection is used t...

Page 62: ... output settings from each power supply can be made separately The control of output voltage for one of the power supply should be set to the desired output value while the other power supply should be set to a slightly higher output voltage The power supply with higher output voltage setting will deliver its constant current output and drop its output voltage This will happen until the output vol...

Page 63: ...2 Operation and Features 62 Keysight U8030A Series User s Guide Figure 2 3 Connecting units in parallel ...

Page 64: ...wer Supply User s Guide 63 3 Characteristics and Specifications For the characteristics and specifications of the U8030A Series Triple Output DC Power Supply refer to the datasheet at http literature cdn keysight com litweb pdf 5990 9321EN pdf ...

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Page 66: ...n is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2011 2017 Edition 6 August 25 2017 Printed in Malaysia U8031 90004 U8031 90004 www keysight com ...

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