Keysight E3632A User Manual
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Keysight E3632A User Manual

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Keysight E3632A 

DC Power Supply

User's Guide

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Summary of Contents for Keysight E3632A

  • Page 1: Dc Power Supply

    Keysight E3632A  DC Power Supply User’s Guide...

  • Page 4: Safety Notices

    E3632-90001 ity and fitness for a particular purpose. age to the product or loss of impor- Keysight shall not be liable for errors or for Edition tant data. Do not proceed beyond a incidental or consequential damages in...

  • Page 5: Safety Symbols

    DC (Direct current or voltage) be operated with one terminal at earth potential. AC (Alternating current or voltage) Positive binding post Protective conductor terminal Negative binding post Out position of a bi-stable push control Earth (ground) terminal E3632A User’s Guide...

  • Page 6: Safety Considerations

    Keysight Technologies assumes no liability for the customer’s failure to comply with these requirements. • Use the device with the cables provided with the shipment.
  • Page 7 POWER and do not use the device until safe operation is verified by service-trained personnel. If necessary, return the device to Keysight for service and repair to ensure that the safety features are maintained. • Do not operate the device around flammable gases or fumes, vapor, or wet environments.

  • Page 8: Environmental Conditions

    Operating condition • 0 °C to 40 °C (full rated output) Temperature Storage condition • –20 °C to 70 °C Humidity Up to 80% RH Altitude Up to 2000 m Installation category II (for indoor use) Pollution degree E3632A User’s Guide...
  • Page 9 Forty years is the expected useful life of the product. This symbol is a South Korean Class A EMC Declaration. This is a Class A instrument suitable for professional use and in electromagnetic environment outside of the home. E3632A User’s Guide...
  • Page 10 “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 www.keysight.com/environment/product for more information.
  • Page 11 Declaration of Conformity (DoC) The Declaration of Conformity (DoC) for this instrument is available on the Keysight Web site. You can search the DoC by its product model or description at the Web address below. http://www.keysight.com/go/conformity If you are unable to search for the respective DoC, contact your local N O T E Keysight representative.
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  • Page 13: Table Of Contents

    Product at a Glance Front panel Rear panel Display annunciators Operating the Power Supply Cooling Bench operation Cleaning Operation and Features Overview Constant Voltage Operation Front panel operation Remote interface operation Constant Current Operation Front panel operation Remote interface operation E3632A User’s Guide...
  • Page 14 Remote interface operation Disconnecting the output using an external relay Knob locking System-Related Operations Self-test Error conditions Display control Firmware revision query SCPI language version Remote Interface Configuration Remote interface selection GPIB address Baud rate selection (RS-232) E3632A User’s Guide...
  • Page 15 Command format used in this manual Command separators Using the MIN and MAX parameters Querying parameter settings SCPI command terminators IEEE-488.2 common commands SCPI parameter types Simplified Programming Overview Using the APPLy command Using the low-level commands E3632A User’s Guide XIII...
  • Page 16 Using the Message Available Bit (MAV) To interrupt your bus controller using SRQ To determine when a command sequence is completed Using *OPC to signal when data is in the output buffer Status Reporting Commands Halting an Output in Progress E3632A User’s Guide...
  • Page 17 Overview Example Program for C++ (GPIB IEEE 488) Example Program for Excel 5.0 (Windows 3.1 and GPIB) Tutorial Overview of the Power Supply Operation Output Characteristics Unregulated state Unwanted signals Connecting the Load Output isolation Multiple loads E3632A User’s Guide...
  • Page 18 Remote voltage sensing Load consideration Extending the Voltage Range and Current Range Series connections Parallel connections Remote Programming Reliability Characteristics and Specifications Physical Characteristics Environmental Characteristics Electrical Specifications Supplemental Characteristics E3632A User’s Guide...
  • Page 19 156 Figure 6-7 Regulated power supply with remote sensing 159 Figure 6-8 Speed of response — programming up (full load) 164 Figure 6-9 Speed of response — programming down 165 Figure 7-1 E3632A dimensions 168 E3632A User’s Guide XVII...
  • Page 20 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. XVIII E3632A User’s Guide...
  • Page 21 Table 1-4 Rear panel overview 21 Table 1-5 Display annunciators overview 22 Table 3-1 SCPI command summary 71 Table 3-2 Keysight E3632A programming ranges 82 Table 3-3 Power supply state 99 Table 3-4 Bit definitions — Questionable Status register 109 Table 3-5 Bit definitions —...
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  • Page 23 E3632A DC Power Supply User’s Guide Getting Started Introduction 2 Standard Shipped Items 7 Preparing the Power Supply 9 Product at a Glance 18 Operating the Power Supply 24 This chapter guides you to set up your power supply for the first time.

  • Page 24: Getting Started

    Getting Started Introduction Introduction The Keysight E3632A is a high performance 120 W dual range DC power supply with GPIB and RS- 232 interfaces. The combination of bench- top and system features in this power supply provides versatile solutions for your design and test requirements.
  • Page 25 Getting Started 1 Introduction The E3632A DC power supply features a combination of programming capabilities and linear power supply performance that makes it ideal for power systems applications. The power supply is programmable locally from the front panel or remotely over the GPIB and RS- 232 interfaces.
  • Page 26 Do not float the outputs more than ±60 Vdc when metal shorting bars without insulation are used to connect the (+) output to the (+) sense and the (–) output to the (–) sense terminals. E3632A User’s Guide...

  • Page 27: Figure 1-1 Shorting Conductors Without Insulation

    All field wiring insulation must be adequate for the voltage present. E3632A User’s Guide...
  • Page 28 You can guard against unauthorized calibration by using the “Secured” calibration protection function. E3632A User’s Guide...

  • Page 29: Standard Shipped Items

    Standard Shipped Items Verify that you have received the following items in the shipment of your power supply. If anything is missing or damaged, contact your nearest Keysight Sales Office. ✔ Power cord ✔ Certificate of Calibration ✔ E3632A User’s Guide (this manual) ✔...

  • Page 30: Accessories

     Getting Started Standard Shipped Items Accessories The accessories listed below may be ordered from your local Keysight Sales Office either with the power supply or separately. Table 1-2 E3632A accessories Part number Description 10833A GPIB cable, 1 m (3.3 ft.) 10833B GPIB cable, 2 m (6.6 ft.)

  • Page 31: Preparing The Power Supply

    N O T E change the power-line voltage or the power-line fuse. • To replace the 4 AT fuse, order Keysight part number 2110-0996. • To replace the 2.5 AT fuse, order Keysight part number 2110-0999. E3632A User’s Guide...

  • Page 32: Power-On Checkout

    15V, OVP, OCP, and CV annunciators are lit. The blinking digit can be adjusted by turning the knob. Notice that the display is in the meter mode. Meter mode means that the display shows the actual output voltage and current. E3632A User’s Guide...

  • Page 33: Checking The Output

    The OFF annunciator turns off and the 15V, OVP, OCP, and CV annunciators are lit. The blinking digit can be adjusted by turning the knob. Notice that the display is in the meter mode. Meter mode means that the display shows the actual output voltage and current. E3632A User’s Guide...
  • Page 34 Adjust the voltage limit to 1.0 V to assure CC operation. The CC annunciator will turn on. [1] You can use the resolution selection keys to move the flashing digit to the right or left when setting the voltage. E3632A User’s Guide...

  • Page 35: Input Power Requirements

    The power supply is shipped from the factory with a power- line cord that has a plug appropriate for your location. Contact the nearest Keysight Sales and Service Office if the wrong power- line cord is included with your power supply. Your power supply is equipped with a 3- wire grounding type power cord where the third conductor is the ground.
  • Page 36 2 Install the correct line fuse. Remove the power- line voltage selector from the power- line module. Power-line voltage selector 100 Vac or 115 Vac, 4 AT fuse 230 Vac, 2.5 AT fuse E3632A User’s Guide...
  • Page 37 100 Vac, 115 Vac, or 230 Vac 4 Replace the power- line voltage selector and the fuse- holder assembly in the rear panel. Verify that the correct line voltage is selected and the power-line fuse  N O T E is good. E3632A User’s Guide...

  • Page 38: Rack-Mount The Power Supply

    Option 1CM (5063- 9243). Installation instructions and hardware are included with each rack- mounting kit. Any Keysight System II instrument of the same size can be rack- mounted beside the Keysight E3632A power supply. 1 Remove the front and rear bumpers before rack- mounting the power supply.
  • Page 39 (5061- 9694) and rack- mount kit (5063- 9212). 4 To install two instruments in a sliding support shelf, order the support shelf (5063- 9256) and the slide kit (1494- 0015). E3632A User’s Guide...

  • Page 40: Product At A Glance

    Select the 15 V/7 A range and allow the full rated output to 15 V/7 A. 30 V/4 A range selection key Select the 30 V/4 A range and allow the full rated output to 30 V/4 A. E3632A User’s Guide...
  • Page 41 [2] You can enable the calibration mode by holding down this key when you turn on the power supply. [3] You can use it as the Secure or Unsecure key when the power supply is in the calibration mode. E3632A User’s Guide...

  • Page 42: Figure 1-3 Voltage And Current Limit Settings

    All the front panel keys and controls can be disabled with the remote N O T E interface commands. The power supply must be in the Local mode for the front panel keys and controls to function. E3632A User’s Guide...

  • Page 43: Rear Panel

    Getting Started 1 Product at a Glance Rear panel Figure 1-4 Rear panel Table 1-4 Rear panel overview Description Power-line voltage setting Power-line fuse-holder assembly AC inlet Power-line module GPIB (IEEE-488) interface connector RS-232 interface connector E3632A User’s Guide...

  • Page 44: Display Annunciators

    The overcurrent protection function is enabled when the annunciator turns on or the overcurrent protection circuit has caused the power supply to shut down when the annunciator flashes. The power supply is in the calibration mode. Limit The display shows the limit values of the voltage and current. E3632A User’s Guide...
  • Page 45 The power supply is in the constant voltage mode. The power supply is in the constant current mode. Display Limit To review the display annunciators, hold down as you N O T E turn on the power supply. E3632A User’s Guide...

  • Page 46: Operating The Power Supply

    0 C to 40 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.
  • Page 47 E3632A DC Power Supply User’s Guide Operation and Features Overview 26 Constant Voltage Operation 28 Constant Current Operation 30 Storing and Recalling Operating States 33 Programming the Overvoltage Protection 35 Programming the Overcurrent Protection 38 Remote Voltage Sensing 41 Disabling the Output 44...

  • Page 48: Operation And Features

    • The output of the power supply can be enabled or Output On/Off disabled from the front panel using . When the output is off, the OFF annunciator turns on and the output is disabled. E3632A User’s Guide...
  • Page 49 Rmt annunciator will also turn on, and when the power supply is being addressed over GPIB interface, the Adrs annunciator will turn on. Refer to “Display annunciators” on page 22 for more information. E3632A User’s Guide...

  • Page 50: Constant Voltage Operation

    We recommend that you should set the display to the limit mode to see the change of current limit value in the constant voltage mode whenever adjusting the knob. E3632A User’s Guide...
  • Page 51 [1] You can use the resolution selection keys to move the flashing digit to the right or left when setting current. [2] You can use the resolution selection keys to move the flashing digit to the right or left when setting voltage. E3632A User’s Guide...

  • Page 52: Remote Interface Operation

    15 V/7 A range is selected (the 15V annunciator turns on) and the knob is selected for voltage control. To operate the power supply in the 30 V/4 A range, press 30V,4A before proceeding to the next step. The 30V annunciator turns on. E3632A User’s Guide...
  • Page 53 Notice that the Limit annunciator turns off and the display shows the OUTPUT OFF message. [1] You can use the resolution selection keys to move the flashing digit to the right or left when setting the voltage. E3632A User’s Guide...

  • Page 54: Remote Interface Operation

    Remote interface operation Set the voltage. VOLTage {<voltage>|MIN|MAX} Set the current. CURRent {<current>|MIN|MAX} Enable the output. OUTPut ON E3632A User’s Guide...

  • Page 55: Storing And Recalling Operating States

    STORE 1 This message appears on the display for approximately three seconds. 3 Select the storage location. Turn the knob to the right to specify the memory  location 3. STORE 3 E3632A User’s Guide...
  • Page 56 Recall , the power supply returns to normal operating mode and will not recall the instrument state 3 from memory. Recall 3 Restore the operating state. DONE This message appears on the display for approximately 1 second. E3632A User’s Guide...

  • Page 57: Remote Interface Operation

    15 V/7 A range is selected (the 15V annunciator turns on); and the knob is selected for voltage control. Output On/Off 2 Enable the output. The OFF annunciator turns off and the display will go to the meter mode. E3632A User’s Guide...
  • Page 58 The following steps show how to clear the overvoltage conditions and get back to normal mode operation. In the following steps, the display will go back to OVP TRIPPED if you let the display time- out after about several seconds. E3632A User’s Guide...

  • Page 59: Remote Interface Operation

    SCR will continuously sink a large current from the source and possibly damage the power supply. To avoid this a diode must be connected in series with the output as shown in Figure 2-1. E3632A User’s Guide...

  • Page 60: Programming The Overcurrent Protection

    The power supply will go into the power- on/reset state, the output is disabled (the OFF annunciator turns on), the 15 V/7 A range is selected (the 15V annunciator turns on); and the knob is selected for voltage control. E3632A User’s Guide...
  • Page 61 Then very gradually increase the output by turning the knob until the OCP circuit trips. This will cause the power supply’s output current to drop to zero and the OCP annunciator to flash. The OCP TRIPPED message also appears on the display. E3632A User’s Guide...

  • Page 62: Remote Interface Operation

    OCP annunciator will not flash any more. The output will return to meter mode. Remote interface operation Set the OCP level. CURR:PROT {<current>|MIN|MAX} Disable or enable the CURR:PROT:STAT {OFF|ON) OCP circuit. Clear the tripped CURR:PROT:CLE OCP circuit. E3632A User’s Guide...

  • Page 63: Remote Voltage Sensing

    Because the sense leads are part of the power supply’s feedback path, keep the resistance of the sense leads at or below 0.5  per lead to maintain the above specified performance. E3632A User’s Guide...

  • Page 64: Output Rating

    To minimize this possibility, keep the load leads as short as possible and twist them together. As the sense leads are part of the power supply’s programming feedback loop, accidental open- connections of E3632A User’s Guide...

  • Page 65: Remote Voltage Sensing Connections

    • During remote sensing setup, it is strongly recommended to power off (by presssing the power ON/OFF button) the power supply to avoid undesirable damage to the load or the power supply. Figure 2-2 Remote voltage sensing connections E3632A User’s Guide...

  • Page 66: Disabling The Output

    Front panel operation Output On/Off You can disable the output by pressing . This key toggles between output Off and On states. Remote interface operation Disable or enable the output. OUTP {OFF|ON} E3632A User’s Guide...

  • Page 67: Disconnecting The Output Using An External Relay

    Disabling the Output Disconnecting the output using an external relay When the output of the E3632A is turned off, it is implemented by setting the output to 0 V and 0.02 A. This gives a zero output voltage without actually disconnecting the output.

  • Page 68: System-Related Operations

    If the self- test fails, FAIL is displayed and the ERROR annunciator turns on. See the Service Guide (E3632- 90010) for instructions on returning the power supply to Keysight for service. Front panel operation Recall The complete self- test is enabled by pressing...

  • Page 69: Error Conditions

    All errors are cleared when you read all errors. ERROR -113 Remote interface operation Reads an error from the error queue SYST:ERR? Errors have the following format (the error string may contain up to 80 characters). - 113, “Undefined header” E3632A User’s Guide...

  • Page 70: Display Control

    (front panel) operation. Press to return to the local state from the remote interface. Remote interface operation: Disable/enable the display. DISP {OFF|ON} Display the string enclosed in quotes DISP:TEXT <quoted string> Clear the displayed message DISP:TEXT:CLE E3632A User’s Guide...

  • Page 71: Firmware Revision Query

    Operation and Features 2 System-Related Operations The following statement shows how to display a message on the front panel from a Keysight controller. DISP:TEXT ‘HELLO’ Firmware revision query The power supply has three microprocessors for control of various internal systems. You can query the power supply to determine which revision of firmware is installed for each microprocessor.
  • Page 72 Remote interface operation Query the SCPI version SYST:VERS? Returns a string in the form of YYYY.V where the Y represents the year of the version, and the V represents the version number for that year (for example, 1995.0). E3632A User’s Guide...

  • Page 73: Remote Interface Configuration

    • Your GPIB bus controller has its own address. Be sure to avoid using the bus controller’s address for any instrument on the interface bus. Keysight controllers generally use address 21. • If you enable the RS- 232 interface, you must select the baud rate and parity to be used.

  • Page 74: Gpib Address

    • Your GPIB bus controller has its own address. Be sure to avoid the bus controller’s address for any instrument on the interface bus. Keysight controllers generally use address 21. Baud rate selection (RS-232) You can select one of six baud rates for RS- 232 operation.

  • Page 75: Parity Selection (Rs-232)

    3 Turn the knob to change the GPIB address. The displayed address is changed when turning the knob to the right or left. E3632A User’s Guide...

  • Page 76: To Set The Baud Rate And Parity (Rs-232)

    The rate is set to 9600 baud when the power supply is shipped from the factory. Choose from one of the following by turning the knob to the right or left: 300, 600, 1200, 2400, 4800, or 9600 baud. E3632A User’s Guide...
  • Page 77 If the baud rate and the parity are not changed, NO CHANGE will be displayed for one second. To exit the I/O configuration mode without any further changes, press N O T E I/O Config until the NO CHANGE message is displayed. E3632A User’s Guide...

  • Page 78: Gpib Interface Configuration

    Chapter 1, “Getting Started” lists the cables that are available from Keysight Technologies. A GPIB system can be connected together in any configuration (star, linear, or both) as long as the following rules are observed: • The total number of devices including the computer is not more than 15.

  • Page 79: Rs-232 Interface Configuration

    • 300, 600, 1200, 2400, 4800, or 9600 baud (factory- setting) Parity and data bits: • None/8 data bits (factory- setting), even/7 data bits, or odd/7 data bits Number of start bits: • 1 bit (fixed) Number of stop bits: • 2 bits (fixed) E3632A User’s Guide...

  • Page 80: Rs-232 Data Frame Format

    If you are using a DTE- to- DTE cable, make sure the adapter is a “straight- through” type. Typical adapters include gender changers, null- modem adapters, and DB- 9 to DB- 25 adapters. E3632A User’s Guide...

  • Page 81: Figure 2-4 Db-9 Serial Connection

    If your computer or terminal has a 9- pin serial port with a male connector, use the null- modem cable included with the Keysight 34398A Cable Kit. This cable has a 9- pin female connector on each end. The cable pin diagram is shown in...

  • Page 82: Dtr/Dsr Handshake Protocol

    To disable the DTR/DSR handshake, do not connect the DTR line and tie the DSR line to logic TRUE. If you disable the DTR/DSR handshake, also select a slower baud rate to ensure that the data is transmitted correctly. E3632A User’s Guide...
  • Page 83 (this is equivalent to the IEEE- 488 device clear action). For the <Ctrl-C> character to be recognized reliably by the power supply N O T E while it holds DTR FALSE, the bus controller must first set DSR FALSE. E3632A User’s Guide...

  • Page 84: Rs-232 Troubleshooting

    Even if the cable has the proper connectors for your system, the internal wiring may be incorrect. The Keysight 34398A Cable Kit can be used to connect the power supply to most computers or terminals. • Verify that you have connected the interface cable to the correct serial port on your computer (COM1, COM2, etc).

  • Page 85: Calibration

    To unsecure the power supply from the front panel, omit the “H P” and enter the remaining numbers as shown on the following pages. _ _ _ _ _ _ (8 characters) E3632A User’s Guide...

  • Page 86: To Unsecure For Calibration

    To exit the calibration mode, turn the power off and on. Notice that if you enter the wrong security code, INVALID is displayed and the code entering mode is displayed for you to enter the correct code. E3632A User’s Guide...

  • Page 87: To Secure Against Calibration

    2 Enter the security code. 000000 CODE Secure after the CAL To secure the power supply, press MODE message is displayed in the calibration mode, enter the security code using the knob and resolution selection Secure keys, and then press E3632A User’s Guide...

  • Page 88: To Change The Security Code

    Secure then press Changing the code from the front panel also changes the code as seen from the remote interface. E3632A User’s Guide...

  • Page 89: Calibration Count

    • The calibration count increments up to a maximum of 32767 after which it wraps- around to 0. Since the value increments by one for each calibration point, a complete calibration will increase the value by five counts. E3632A User’s Guide...

  • Page 90: Calibration Message

    Remote interface operation Store the cal message. CAL:STR <quoted string> To store the calibration message, send the following command. CAL:STR ‘CAL 12-05-99’ E3632A User’s Guide...
  • Page 91 E3632A DC Power Supply User’s Guide Remote Interface Reference SCPI Command Summary 70 Introduction to the SCPI Language 74 Simplified Programming Overview 80 Using the APPLy Command 83 Output Settings and Operation Commands 85 Triggering Commands 93 System-Related Commands 96...

  • Page 92: Remote Interface Reference

    • Braces ({}) enclose parameters within a command string. • Triangle brackets (<>) indicate that you must substitute a value or a code for the enclosed parameter. • A vertical bar (|) separates one of two or more alternative parameters. E3632A User’s Guide...

  • Page 93: Table 3-1 Scpi Command Summary

    VOLTage[:LEVel][:IMMediate][:AMPLitude]? [MIN|MAX] VOLTage[:LEVel][:IMMediate]:STEP[:INCRement] {<numeric value>|DEFault} VOLTage[:LEVel][:IMMediate]:STEP[:INCRement]? {DEFault} VOLTage[:LEVel]:TRIGgered[:AMPLitude] {<voltage>|MIN|MAX} VOLTage[:LEVel]:TRIGgered[:AMPLitude]? [MIN|MAX] VOLTage:PROTection[:LEVel] {<voltage>|MIN|MAX} VOLTage:PROTection[:LEVel]? {MIN|MAX} VOLTage:PROTection:STATe {0|1|OFF|ON} VOLTage:PROTection:STATe? VOLTage:PROTection:TRIPped? VOLTage:PROTection:CLEar VOLTage:RANGe {P15V|P30V|LOW|HIGH} VOLTage:RANGe? MEASure :CURRent[:DC]? [:VOLTage][:DC]? Triggering Commands INITiate[:IMMediate] TRIGger[:SEQuence] :DELay {<seconds>|MIN|MAX} :DELay? :SOURce {BUS|IMM} :SOURce? *TRG E3632A User’s Guide...
  • Page 94 *SAV {1|2|3} *RCL {1|2|3} Calibration Commands CALibration :COUNt? :CURRent[:DATA] <numeric value> :CURRent:LEVel {MIN|MID|MAX} :CURRent:PROTection :DAC:ERRor :SECure:CODE <new code> :SECure:STATe {OFF|ON},<code> :SECure:STATe? :STRing <quoted string> :STRing? :VOLTage[:DATA] <numeric value> :VOLTage:LEVel {MIN|MID|MAX} :VOLTage:PROTection RS-232 Interface Commands SYSTem :LOCal :REMote :RWLock E3632A User’s Guide...
  • Page 95 *PSC {0|1} *PSC? *SRE <enable value> *SRE? *STB? *WAI IEEE-488 Conformance Information *CLS *ESE <enable value> *ESE? *ESR? *IDN? *OPC *OPC? *PSC {0|1} *PSC? *RST *SAV {1|2|3} *RCL {1|2|3} *SRE <enable value> *SRE? *STB? *TRG *TST? *WAI E3632A User’s Guide...

  • Page 96: Introduction To The Scpi Language

    TRIGgered {<voltage>|MIN|MAX} TRIGgered? {MIN|MAX} SOURce is the root keyword of the command, CURRent and VOLTage are second- level keywords, and TRIGgered is the third- level keyword. A colon (:) separates a command keyword from a lower- level keyword. E3632A User’s Guide...

  • Page 97: Command Format Used In This Manual

    The brackets are not sent with the command string. If you do not specify a value for an optional parameter, the power supply chooses a default value. E3632A User’s Guide...

  • Page 98: Command Separators

    SOUR:VOLT MIN SOUR:CURR MAX Use a colon and a semicolon to link commands from different subsystems. For example, in the following command string, an error is generated if you do not use the colon and semicolon: DISP:TEXT:CLE;:SOUR:CURR MIN E3632A User’s Guide...

  • Page 99: Using The Min And Max Parameters

    To avoid this, do not send a query command without reading the response. When you cannot avoid this situation, send a device clear before sending the second query command. E3632A User’s Guide...

  • Page 100: Scpi Command Terminators

    Numeric parameters Commands that require numeric parameters will accept all commonly used decimal representations of numbers including optional signs, decimal points, and scientific notation. Special values for numeric parameters like MINimum, MAXimum, and DEFault are also accepted. E3632A User’s Guide...
  • Page 101 You can include the quote delimiter as part of the string by typing it twice without any characters in between. The following command uses a string parameter: DISP:TEXT <quoted string> E3632A User’s Guide...

  • Page 102: Simplified Programming Overview

    3 V rated at 1 A: Set the output voltage to 3.0 V. VOLT 3.0 Set the output current to 1.0 A. CURR 1.0 E3632A User’s Guide...

  • Page 103: Reading A Query Response

    Set the triggered voltage level to 3.0 V. VOLT:TRIG 3.0 Set the triggered current level to 1.0 A. CURR:TRIG 1.0 Select the immediate trigger as a source. TRIG:SOUR IMM Cause the trigger system to initiate. INIT E3632A User’s Guide...

  • Page 104: Power Supply Programming Ranges

    Refer to Table 3- 2 to identify the programming values when programming the power supply. Table 3-2 Keysight E3632A programming ranges 0 to 15 V /7 A range 0 to 30 V /4 A range Voltage Programming range 0 V to 15.45 V...

  • Page 105: Using The Apply Command

    For more details of parameters, refer to Table 3- 2 for each model. If you specify only one parameter of the APPLy command, the power supply regards it as the voltage setting value. E3632A User’s Guide...

  • Page 106: Apply

    (the quotation marks are returned as part of the string). “15.00000, 4.00000” In the above string, the first number 15.00000 is the voltage setting value and the second number 4.00000 is the current setting value. E3632A User’s Guide...

  • Page 107: Output Settings And Operation Commands

    CURRent? [MINimum|MAXimum] This query returns the presently programmed current level of the power supply. CURR? MAX and CURR? MIN return the highest and lowest programmable current levels for the selected range. E3632A User’s Guide...
  • Page 108 UP or CURR DOWN command to increase or decrease the output current with the CURR:STEP command. Set the step size to 0.01 A. CURR:STEP 0.01 Increase the output current. CURR UP Set the step size to 0.02 A. CURR:STEP 0.02 Decrease the output current. CURR DOWN E3632A User’s Guide...
  • Page 109 CURR:PROT:CLE command after the condition that caused the OCP trip is removed. CURRent:PROTection? {MINimum|MAXimum} This query returns the overcurrent protection trip level presently programmed. CURR:PROT? MAX and CURR:PROT? MIN return the maximum and minimum programmable overcurrent trip levels. E3632A User’s Guide...
  • Page 110 You can substitute MINimum or MAXimum in place of a specific value for the voltage parameter. MIN selects the lowest voltage values of 0 V. MAX selects the highest voltage values allowed for the selected range. E3632A User’s Guide...
  • Page 111 VOLTage:STEP? [DEFault] This query returns the value of the step size currently specified. The returned parameter is a numeric value. DEFault gives the minimum resolution step size in unit of volts. E3632A User’s Guide...
  • Page 112 SCR. The Questionable Status register “OV” bit is set (refer to “SCPI status system” on page 108). An overvoltage condition can be cleared with the VOLT:PROT:CLE command after the condition that caused the OVP trip is removed. E3632A User’s Guide...
  • Page 113 OVP trip level remains unchanged to the value presently programmed. Before sending this command, lower the output voltage below the OVP trip point, or raise the OVP trip level above the output setting. E3632A User’s Guide...
  • Page 114 P30V (HIGH) or P15V (LOW). MEASure:CURRent? This query returns the current measured across the current sense resistor inside the power supply. MEASure[:VOLTage]? This query returns the voltage measured at the sense terminals of the power supply. E3632A User’s Guide...

  • Page 115: Triggering Commands

    Bus (software) triggering • To select the bus trigger source, send the following command. TRIG:SOUR BUS E3632A User’s Guide...
  • Page 116 • To select the immediate trigger source, send the following command. TRIG:SOUR IMM • When IMMediate is selected as a trigger source, an INITiate command immediately transfers the VOLT:TRIG or CURR:TRIG value to the VOLT or CURR value. Any delay is ignored. E3632A User’s Guide...

  • Page 117: Triggering Commands

    (software) trigger as its source (TRIG:SOUR BUS). The command has the same effect as the Group Execute Trigger (GET) command. For RS- 232 operation, make sure the power supply is in the remote interface mode by sending the SYST:REM command first. E3632A User’s Guide...

  • Page 118: System-Related Commands

    Clear the message displayed on the front panel. OUTPut {OFF|ON} Enable or disable the outputs of the power supply. When the output is disabled, the voltage value is 0 V and the current value is 20 mA. At *RST, the output state is OFF. E3632A User’s Guide...
  • Page 119 N O T E output relay control signals. Internal components on the RS-232 circuitry may be damaged. OUTPut:RELay? This command returns the state of the TTL relay logic signals. See also OUTP:REL command. SYSTem:BEEPer Issue a single beep immediately. E3632A User’s Guide...
  • Page 120 This query returns the power supply to determine the present SCPI version. The returned value is a string in the form of YYYY.V where the Y represents the year of the version, and the V represents a version number for that year (for example, 1995.0). E3632A User’s Guide...

  • Page 121: Table 3-3 Power Supply State

    *RST This command resets the power supply to its power- on state as follows: Table 3-3 Power supply state Command State CURR 0.12 mA (typical value) CURR:STEP CURR:TRIG 7.5 A CURR:PROT CURR:PROT:STAT DISP OUTP OUTP:REL TRIG:DEL TRIG:SOUR E3632A User’s Guide...
  • Page 122 “remembers” the states or values of the following commands: CURR, CURR:STEP, CURR:TRIG, CURR:PROT, CURR:PROT:STAT, DISP, OUTP, OUTP:REL, TRIG:DEL, TRIG:SOUR, VOLT, VOLT:STEP, VOLT:TRIG, VOLT:PROT, VOLT:PROT:STAT, and VOLT:RANG To recall a stored state, you must use the same memory location used previously to store the state. E3632A User’s Guide...
  • Page 123 DISP {OFF|ON} can be stored and recalled in remote interface mode N O T E only. Going to local mode automatically sets the display state to ON. E3632A User’s Guide...

  • Page 124: Calibration Commands

    (CAL:CURR:LEV MID and CAL:CURR:LEV MAX) for the value being entered. Three successive values must be selected and entered. The power supply then computes new calibration constants. These constants are then stored in non- volatile memory. E3632A User’s Guide...
  • Page 125 12 characters over the remote interface but the first character must always be a letter. CALibration:SECure:STATe {OFF|ON},<code> This command unsecures or secures the power supply for calibration. The calibration code may contain up to 12 characters over the remote interface. E3632A User’s Guide...
  • Page 126 ON. It sets the power supply to a calibration point that is entered with the CAL:VOLT command. During calibration, three points must be entered and the low- end point (MIN) must be selected and entered first. E3632A User’s Guide...
  • Page 127 The calibration must be unsecured and the output be opened before calibrating the overvoltage protection circuit. The power supply automatically performs the calibration and stores the new overvoltage constant in non- volatile memory. Notice that voltage calibration precedes before sending this command. E3632A User’s Guide...

  • Page 128: Rs-232 Interface Commands

    Local key. Ctrl-C This command clears the operation in progress over the RS- 232 interface and discards any pending output data. This is equivalent to the IEEE- 488 device clear action over the GPIB interface. E3632A User’s Guide...

  • Page 129: Scpi Status Registers

    To enable bits in an enable register, you must write a decimal value which corresponds to the binary- weighted sum of the bits you wish to enable in the register. E3632A User’s Guide...

  • Page 130: Scpi Status System

    Remote Interface Reference SCPI Status Registers SCPI status system = 16 = 32 = 64 = 128 = 256 = 512 = 1024 = 2048 = 4096 = 8192 = 16384 = 32768 Figure 3-1 SCPI status system E3632A User’s Guide...

  • Page 131: The Questionable Status Register

    The overcurrent protection circuit has tripped. 11–15 Not used Always set to 0. The Questionable Status event register is cleared when: • you execute the *CLS (clear status) command. • you query the event register using STAT:QUES? (status questionable event register) command. E3632A User’s Guide...

  • Page 132: The Standard Event Register

    Or, both the input and output buffers are full. Device Error. A self-test or calibration error occurred (refer to error messages 601 to 755 in “Self-Test Error Messages” on page 135 “Calibration Error Messages” on page 137). E3632A User’s Guide...
  • Page 133 • you turn on the power and have previously configured the power supply using the *PSC 1 command. The enable register will not be cleared at power- on if you have previously configured the power supply using the *PSC 0 command. E3632A User’s Guide...

  • Page 134: The Status Byte Register

    Querying the Standard Event register (*ESR? command) will clear only bit 5 in the Status Byte summary register. For example, 24 (8 + 16) is returned when you have queried the status of the Status Byte register, QUES and MAV conditions have occurred. E3632A User’s Guide...

  • Page 135: Using Service Request (Srq) And Serial Poll

    Serial poll will automatically clear the request service bit in the Status Byte summary register. No other bits are affected. Performing a serial poll will not affect instrument throughput. E3632A User’s Guide...

  • Page 136: Using *Stb? To Read The Status Byte

    You can use the Status Byte “Message Available” bit (bit 4) to determine when data is available to read into your bus controller. The power supply subsequently clears bit 4 only after all messages have been read from the output buffer. E3632A User’s Guide...

  • Page 137: To Interrupt Your Bus Controller Using Srq

    6 Use a serial poll to check when bit 5 (Standard Event) is set in the Status Byte summary register. You could also configure the power supply for an SRQ interrupt by sending *SRE 32 (Status Byte Enable register, bit 5). E3632A User’s Guide...

  • Page 138: Using *Opc To Signal When Data Is In The Output Buffer

    (query data), you can use the “Operation Complete” bit to determine when the message is available. However, if too many messages are generated before the *OPC command executes (sequentially), the output buffer will overload and the power supply will stop processing commands. E3632A User’s Guide...

  • Page 139: Status Reporting Commands

    +0, “No error”. • The error queue is cleared when power has been off or after a *CLS (clear status) command has been executed. The *RST (reset) command does not clear the error queue. E3632A User’s Guide...
  • Page 140 *CLS This command clears all event registers and Status Byte register. *ESE <enable value> This command enables bits in the Standard Event Enable register. The selected bits are then reported to the Status Byte. E3632A User’s Guide...
  • Page 141 *PSC? This command queries the power- on status clear setting. The returned parameter is 0 (*PSC 0) or 1 (*PSC 1). *SRE <enable value> This command enables bits in the Status Byte Enable register. E3632A User’s Guide...
  • Page 142 Request Service bit (bit 6) is not cleared if a serial poll has occurred. *WAI This command instructs the power supply to wait for all pending operations to complete before executing any additional commands over the interface. Used only in the triggered mode. E3632A User’s Guide...

  • Page 143: Halting An Output In Progress

    • The power supply is prepared to accept a new command string. • The following statement shows how to send a device clear over the GPIB interface using Keysight BASIC. CLEAR 705 IEEE- 488 device clear • The following statement shows how to send a device clear over the GPIB interface using the GPIB Command Library for C or QuickBASIC.

  • Page 144: Scpi Conformance Information

    Table 3- 7 lists the SCPI- confirmed commands that are used by the power supply. Table 3-7 SCPI confirmed commands DISPlay [:WINDow][:STATe] {OFF|ON} [:WINDow][:STATe]? [:WINDow]:TEXT[:DATA] <quoted string> [:WINDow]:TEXT[:DATA]? [:WINDow]:TEXT:CLEar INITiate[:IMMediate] MEASure :CURRent[:DC]? [:VOLTage][:DC]? OUTPut [:STATe] {OFF|ON} [:STATE]? E3632A User’s Guide...
  • Page 145 :VOLTage[:LEVel][:IMMediate]:STEP[:INCRement] {<numeric value>|DEFault} :VOLTage[:LEVel][:IMMediate]:STEP[:INCRement]? {DEFault} :VOLTage[:LEVel]:TRIGgered[:AMPLitude] {<voltage>|MIN|MAX} :VOLTage[:LEVel]:TRIGgered[:AMPLitude]?[MIN|MAX] :VOLTage:PROTection[:LEVel] {<voltage>|MIN|MAX} :VOLTage:PROTection[:LEVel]? {MIN|MAX} :VOLTage:PROTection:STATe {0|1|OFF|ON} :VOLTage:PROTection:STATe? :VOLTage:PROTection:TRIPped? :VOLTage:PROTection:CLEar :VOLTage:RANGe {P15V|P30V|LOW|HIGH} :VOLTage:RANGe? STATus :QUEStionable:CONDition? :QUEStionable[:EVENt]? :QUEStionable:ENABle <enable value> :QUEStionable:ENABle? SYSTem :BEEPer[:IMMediate] :ERRor? :VERSion TRIGger [:SEQuence]:DELay {<seconds>|MIN|MAX} [:SEQuence]:DELay? [:SEQuence]:SOURce{BUS|IMM} [:SEQuence]:SOURce? E3632A User’s Guide...

  • Page 146: Device-Specific Commands

    Table 3-8 Non-SCPI commands APPLy {<voltage>|DEF|MIN|MAX>}[,{<current>|DEF|MIN|MAX}] APPLy? CALibration :COUNt? :CURRent[:DATA] <numeric value> :CURRent:LEVel {MIN|MID|MAX} :CURRent:PROTection :DAC:ERRor :SECure:CODE <new code> :SECure:STATe {OFF|ON},<code> :SECure:STATe? :STRing <quoted string> :STRing? :VOLTage[:DATA] <numeric value> :VOLTage:LEVel {MIN|MID|MAX} :VOLTage:PROTection OUTPut :RELay[:STATe] {OFF|ON} :RELay[:STATE]? SYSTem :LOCal :REMote :RWLock E3632A User’s Guide...

  • Page 147: Ieee-488 Conformance Information

    IEEE-488 Conformance Information Dedicated hardware lines Attention Interface Clear Remote Enable Service Request Enable Addressed commands Device Clear End or Identify Group Execute Trigger Go to Local Local Lockout Selected Device Clear Serial Poll Disable Serial Poll Enable E3632A User’s Guide...

  • Page 148: Ieee-488.2 Common Commands

     Remote Interface Reference IEEE-488 Conformance Information IEEE-488.2 common commands *CLS *ESE <enable value> *ESE? *ESR? *IDN? *OPC *OPC? *PSC {0|1} *PSC? *RST *SAV {1|2|3|4|5} *RCL {1|2|3|4|5} *SRE <enable value> *SRE? *STB? *TRG *TST? *WAI E3632A User’s Guide...

  • Page 149: Error Messages

    E3632A DC Power Supply User’s Guide Error Messages Overview 128 Execution Error Messages 130 Self-Test Error Messages 135 Calibration Error Messages 137 This chapter lists the error messages that may appear as you are working with the power supply.

  • Page 150: Overview

    The *RST (reset command) command does not clear the error queue. Front panel operation Error If the ERROR annunciator is on, press repeatedly to read the errors stored in the queue. The error queue is cleared when you read all errors. ERROR -113 E3632A User’s Guide...

  • Page 151: Remote Interface Operation

    Error Messages 4 Overview Remote interface operation Reads one error from the error queue. SYSTem:ERRor? Errors have the following format (the error string may contain up to 80 characters). -113, “Undefined header” E3632A User’s Guide...

  • Page 152: Execution Error Messages

    Fewer parameters were received than expected for the command. You omitted one or more parameters that are required for this command. Example: APPL -112 Program mnemonic too long A command header was received which contained more than the maximum 12 characters allowed. E3632A User’s Guide...
  • Page 153 Example: TRIG:DEL 0.5 SECS -131 Invalid suffix A suffix was incorrectly specified for a numeric parameter. You may have misspelled the suffix. Example: TRIG:DEL 0.5 SECS -134 Suffix too long A suffix for a numeric parameter contained too many characters. E3632A User’s Guide...
  • Page 154 Init ignored An INITiate command was received but could not be executed because a measurement was already in progress. Send a device clear to halt a measurement in progress and place the power supply in the “idle” state. E3632A User’s Guide...
  • Page 155 (which does not generate data) and then attempted an ENTER statement to read data from the remote interface. -430 Query DEADLOCKED A command was received which generates too much data to fit in the output buffer and the input buffer is also full. Command execution continues but all data is lost. E3632A User’s Guide...
  • Page 156 SYSTem:REMote, and SYSTem:RWLock. Input buffer overflow Output buffer overflow Command not allowed in local You should always execute the SYSTem:REMote command before sending other commands over the RS-232 interface. [1] This error message is only applicable for serial MY53xx6xxx. E3632A User’s Guide...

  • Page 157: Self-Test Error Messages

    This test re-sends the last 3 bytes of serial configuration data to all the serial paths (SERDAT, SERBCK, SERCLK). The data is then clocked back into U18 and compared against the original 3 bytes sent. A failure occurs if the data do not match. This tests checks the serial data path through U22. E3632A User’s Guide...
  • Page 158 This test checks the status of voltage and current error amplifiers for the power circuit of output1. If both amplifiers are not operational, the power supply will beep and the error annunciator will be turned [1] This error message is only applicable for serial MY53xx6xxx. E3632A User’s Guide...

  • Page 159: Calibration Error Messages

    The specified readback calibration values (CAL:VOLT or CAL:CURR) are out of range. Note that the new calibration constants are not stored in the non-volatile memory. Bad OVP cal data The overvoltage protection calibration constant is out of range. Note that the new calibration constants are not stored in the non-volatile memory. E3632A User’s Guide...
  • Page 160 Cal checksum failed, store/recall data in location 3 Cal checksum failed, DAC cal constants Cal checksum failed, readback cal constants Cal checksum failed, GPIB address Cal checksum failed, internal data Cal checksum failed, DAC DNL error correction data E3632A User’s Guide...

  • Page 161: Application Programs

    E3632A DC Power Supply User’s Guide Application Programs Overview 140 Example Program for C++ (GPIB IEEE 488) 141 Example Program for Excel 5.0 (Windows 3.1 and GPIB) 144 This chapter contains two application programs that utilize the remote interface.

  • Page 162: Overview

    GPIB PC card. You should have the “visa.dll” in your windows/system directory for the GPIB examples to work. All program examples perform the same task. They step through voltages and make corresponding current readings to characterize a power diode. E3632A User’s Guide...

  • Page 163: Example Program For C++ (Gpib Ieee 488)

    Diode.c /*Diode.C This example program steps the E3632A DC Power Supply through 10 voltages and measures the  current response. It prints the voltage step and the current response as a table. Note that  the GPIB address is the default address from the factory for the E3632A.*/ #include <visa.h>...
  • Page 164 (power_supply, "Volt %f\n",voltage); /*set voltage printf("%.3f",voltage); /* print power supply setting */ delay(500); /* allow output to settle for 500 msec */ viPrintf(power_supply,"Measure:Current?\n"); /*measure output current viScanf (power_supply, "%lf",&current); /* retrieve reading printf(" %.3lf\n",current); /* print reading E3632A User’s Guide...
  • Page 165 /* Pauses for a specified number of milliseconds. */ void delay( clock_t wait ) clock_t goal; clock_t delay; wait = wait/1000; delay = (clock_t)wait * CLOCKS_PER_SEC; goal = delay + clock(); while( goal > clock() ); End of program E3632A User’s Guide...

  • Page 166: Example Program For Excel 5.0 (Windows 3.1 And Gpib)

    Example Program for Excel 5.0 (Windows 3.1 and GPIB) Excel VB Macros may be used to control your Keysight E3632A. With Excel you can take the value of a cell in a spread sheet, send it to the power supply, and then record the response on the worksheet.
  • Page 167 Sub Diode() Range("B5:B15").ClearContents Dim I As Integer OpenPort SendSCPI "*RST" 'Reset E3632A to power on condition SendSCPI "Output ON" 'Turn on the output For I = 5 To 15 ' Convert the worksheet value to a string, add to SCPI command SendSCPI "Volt"...
  • Page 168 ' the directory c:\windows\system. This routine uses the VTL Library to ' send commands to an instrument. A description of these and additional ' VTL commands are contained in the Hewlett Packard Visa Transition ' Library book Keysight PN E2094-90002. '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' Function SendSCPI(SCPICmd As String) As String ' This function will send a SCPI command string to the ' GPIB port.
  • Page 169 If errorStatus < VI_SUCCESS Then ' on error give message Cells(1, 1) = "Unable to Open port" End If End Sub Sub ClosePort() errorStatus = viClose(vi) 'close the session errorStatus = viClose(videfaultRM) End Sub End of program E3632A User’s Guide...
  • Page 170  Application Programs Example Program for Excel 5.0 (Windows 3.1 and GPIB) THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. E3632A User’s Guide...
  • Page 171 Connecting the Load 157 Extending the Voltage Range and Current Range 162 Remote Programming 164 Reliability 166 This chapter describes the basic operation of a linear power supply and gives specific details on the operation and use of the E3632A DC power supply.

  • Page 172: Tutorial

    Figure 6- 1 shows a controlled transformer tap as used in the Keysight E3632A. This is one of several techniques using semiconductors for preregulation to reduce the power dissipated across the series element.

  • Page 173: Figure 6-2 Block Diagram Of The Power Supply Showing The Remote Interface Isolation

    The Keysight E3632A contains a linear regulated power supply. It is controlled by a control circuit that provides voltages to program the outputs. The power supply sends back to the control circuits a voltage representing the output at the terminals.

  • Page 174: Output Characteristics

    Thus, as shown in Figure 6- 3, the voltage would remain perfectly constant in spite of any changes in output current demanded by the load. Figure 6-3 Ideal constant voltage power supply Figure 6-4 Ideal constant current power supply E3632A User’s Guide...

  • Page 175: Figure 6-5 Output Characteristics

    The output of the E3632A power supply can operate in either constant- voltage (CV) mode or constant current (CC) mode. Under certain fault conditions, the power supply can not operate in either CV or CC mode and becomes unregulated.

  • Page 176: Unregulated State

    The first is called normal mode voltage noise and the second common mode current noise. E3632A User’s Guide...
  • Page 177 Normal mode voltage noise is in the form of ripple related to the line frequency plus some random noise. Both of these are of very low value in the Keysight E3632A. Careful lead layout and keeping the power supply circuitry away from power devices and other noise sources will keep these values low.

  • Page 178: Figure 6-6 Simplified Diagram Of The Common Mode And Normal Mode Sources Of Noise

    When very rapid changes in load are expected, a capacitor with a low series resistance, in parallel with the power supply, and close to the load is the best way to minimize these voltage spikes. E3632A User’s Guide...

  • Page 179: Connecting The Load

    If cabling considerations require the use of distribution terminals that are located remotely from the power supply, connect output terminals to the distribution terminals by a pair of twisted or shielded wires. Connect each load to the distribution terminals separately. E3632A User’s Guide...

  • Page 180: Remote Voltage Sensing

    — usually by an amount proportional to the impedance of the load leads compared with the output impedance of the power supply. E3632A User’s Guide...

  • Page 181: Load Consideration

    Connecting the Load With remote voltage sensing, a feature included in the Keysight E3632A power supply, it is possible to connect the input of the voltage feedback amplifier directly to the load terminals so that the regulator performs its function with respect to the load terminals rather than with respect to the power supply output terminals.

  • Page 182: Table 6-2 Slew Rate

    To stay within the specifications for the output, the current limit should be set greater than the peak current expected or the supply may go into CC mode or unregulated mode for brief periods. E3632A User’s Guide...
  • Page 183 The value of the current for the dummy load plus the value of the current the load draws from the supply must be less than the maximum current of the supply. E3632A User’s Guide...

  • Page 184: Extending The Voltage Range And Current Range

    When series connection is used, the output voltage is the sum of the voltages of the individual power supplies. The current is the current of any one power supply. Each of the individual power supplies must be adjusted in order to obtain the total output voltage. E3632A User’s Guide...

  • Page 185: Parallel Connections

    E3632A User’s Guide...

  • Page 186: Remote Programming

    This constant current I charges the output capacitor C and load resistor R parallel. The output therefore rises exponentially with a time constant R towards voltage level I , a value higher than the new output voltage being programmed. E3632A User’s Guide...

  • Page 187: Figure 6-9 Speed Of Response - Programming Down

    The output voltage decays linearly with slope of I with no load and stops falling when it reaches the new output voltage which has been demanded. If full load is connected, the output voltage will fall exponentially faster. E3632A User’s Guide...

  • Page 188: Reliability

    The internal power dissipation further increases as the output voltage is lowered. A fan internal to the Keysight E3632A is essential to keep internal temperatures low. To assist in cooling the Keysight E3632A, the sides and rear of the Keysight E3632A should be kept clear.

  • Page 189: Characteristics And Specifications

    Electrical Specifications 169 Supplemental Characteristics 171 This chapter lists the characteristics and specifications of the E3632A DC power supply. Specifications are warranted in the temperature range of 0 to 40 C with a N O T E resistive load. Supplemental characteristics, which are not warranted but...

  • Page 190: Physical Characteristics

    Characteristics and Specifications Physical Characteristics Physical Characteristics Table 7-1 Physical characteristics Dimensions (W  H  D) 212.6 mm  132.6 mm  348.2 mm Weight 9.5 kg Shipping 12 kg Cooling Fan cooled Figure 7-1 E3632A dimensions E3632A User’s Guide...

  • Page 191: Environmental Characteristics

    1.5 Arms Common mode current 0.01%  2 mV Load regulation Voltage (% of output  offset) 0.01%  250 A Current (Change in output voltage or current for any load change within ratings with remote sensing connected) E3632A User’s Guide...
  • Page 192 • <10 ms when the trip voltage is less than 3 V (Average time for the output to start to drop after OVP or OCP <10 ms condition occurs) [1] Accuracy specifications after a 1-hour warm-up period with no load and calibration at 25 C. E3632A User’s Guide...

  • Page 193: Supplemental Characteristics

    • 115 Vac 10%, 47 Hz to 63 Hz (standard) AC input ratings • 230 Vac 10%. 47 Hz to 63 Hz (option 0E3) (selectable via rear panel selector) • 100 Vac ±10%, 47 Hz to 63 Hz (option 0E9) E3632A User’s Guide...
  • Page 194 [4] During turn-on or turn-off of the AC power, if the output control is set to less than 1 V. If the output control is set to 1 V or higher, there is no overshoot. E3632A User’s Guide...
  • Page 195 (tel) 0800 047 866 (fax) 0800 286 331 Other Asia Pacific Countries: (tel) (65) 6375 8100 (fax) (65) 6755 0042 Or visit the Keysight World Wide Web at: www.keysight.com/find/assist Product specifications and descriptions in this document are subject to change without notice.
  • Page 196 This information is subject to change without notice. © Keysight Technologies 1997 - 2014 Edition 7, November 2014 *E3632-90001* E3632-90001 www.keysight.com...

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