Keysight N3300A User Manual
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Keysight N3300A User Manual

Dc electronics loads
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Keysight DC
Electronics Loads
Models N3300A, N3301A, N3302A, N3303A
N3304A, N3305A, N3306A, and N3307A
User's Guide

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  • Page 1 Keysight DC Electronics Loads Models N3300A, N3301A, N3302A, N3303A N3304A, N3305A, N3306A, and N3307A User’s Guide...
  • Page 3 USER’S GUIDE Keysight Technologies DC Electronic Loads Models N3300A, N3301A, N3302A, N3303A N3304A, N3305A, N3306A and N3307A Part No. 5964-8196 Printed in Malaysia Microfiche No. 5964-8197 August, 2014...

  • Page 4: Warranty Information

    Export price). If Keysight Technologies is unable, within a reasonable time to repair or replace any product to condition as warranted, the Customer shall be entitled to a refund of the purchase price upon return of the product to Keysight Technologies.

  • Page 5: Safety Summary

    The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer's failure to comply with these requirements.
  • Page 6 SAFETY SYMBOLS Direct current Alternating current Both direct and alternating current Three-phase alternating current Earth (ground) terminal Protective earth (ground) terminal Frame or chassis terminal Terminal is at earth potential. Used for measurement and control circuits designed to be operated with one terminal at earth potential. Terminal for Neutral conductor on permanently installed equipment Terminal for Line conductor on permanently installed equipment On (supply)

  • Page 7: Declaration Of Conformity

    This document contains proprietary information protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated into another language without the prior consent of Keysight Technologies. The information contained in this document is subject to change without notice.  Copyright 2000, 2002, 2014 Keysight Technologies...

  • Page 8: Table Of Contents

    Table of Contents Warranty Information Safety Summary Declaration of Conformity Acoustic Noise Information Printing History Table of Contents QUICK REFERENCE The Front Panel -At a Glance The Rear Panel At a Glance Instrument Configuration Front Panel Number Entry Front Panel Annunciators Immediate Action Keys Front Panel Menus - At a Glance SCPI Programming Commands - At a Glance...
  • Page 9 Cleaning Installing the Modules Procedure Channel Number Location Bench Operation Rack Mounting Input Connections Power Cord Manually-Tightened Connectors 8mm Screw Terminal Connector (option UJ1) Wire Considerations Control Connector Sense Switch Trigger and Digital Connections Computer Connections GPIB Interface RS-232 Interface Application Connections Local Sense Connections Remote Sense Connections...
  • Page 10 Performance Tests IMON Zero Verification CC Mode Tests CV Mode Tests CR Mode Tests Keysight N3302A Verification Test Record Keysight N3303A Verification Test Record Keysight N3304A Verification Test Record Keysight N3305A Verification Test Record Keysight N3306A Verification Test Record Keysight N3307A Verification Test Record...

  • Page 12: Quick Reference

    ♦ Set the GPIB address. measurements. conditions. ♦ Set the RS-232 interface. ♦ Display SCPI error codes. ♦ Save and recall instrument states. N3300A SYSTEM DC ELECTRONIC LOAD SYSTEM FUNCTION ENTRY CHANNEL VOLTS AMPS Ident...

  • Page 13: The Rear Panel At A Glance

    1 - Quick Reference The Rear Panel At a Glance Refer to chapter 3 for detailed information about the rear panel connections.     14-pin control Input binding post Standard 24-pin 9-pin RS-232 connector GPIB connector interface connector ...

  • Page 14: Front Panel Number Entry

    Quick Reference - 1 Front Panel Number Entry Enter numbers from the front panel as follows: Use the Entry Scroll keys to adjust the input setting in Meter mode. Meter   Input Input If CC is lit, the input current changes. If CV is lit, the input voltage changes.

  • Page 15: Front Panel Annunciators

    1 - Quick Reference Front Panel Annunciators Prot φ1 A list is initiated or running. Indicates that a channel protection feature is active on any channel. Press the Prot Clear key to clear the protection condition. The selected input channel is in the Calibration mode is ON.

  • Page 16: Front Panel Menus - At A Glance

    Quick Reference - 1 Front Panel Menus - At a Glance Sets the GPIB Address Address ADDRESS 5 Selects an interface (GPIB or RS232) INTF GPIB  BAUDRATE 300 Selects baud rate (300, 600, 1200, 2400, 4800, 9600) *  PARITY NONE Selects message parity (NONE, EVEN, ODD, MARK, SPACE) * ...
  • Page 17 1 - Quick Reference Front Panel Menus - continued Sets the input voltage VOLT Voltage Sets the voltage mode (FIXED, LIST) V:MODE  V:RANG Sets the input voltage range  V:SLEW Sets voltage slew rate  Sets voltage slew rate for negative transitions V:SLW:N ...

  • Page 18: Scpi Programming Commands - At A Glance

    Quick Reference - 1 SCPI Programming Commands - At a Glance NOTE Most [optional] commands have been omitted for clarity. Refer to the Programming Guide for a complete description of all programming commands. [SOURce:] CURRent ABORt [:LEVel] <n> CALibrate :TRIG <n> :DATA <n>...
  • Page 19 1 - Quick Reference SCPI Commands - continued [SOURce:]LIST (continued) :VOLTage [:LEVel] <n> {,<n>} STATus :POINts? :CHANnel :RANGe <n> {,<n>} [:EVENt]? :POINts? :CONDition? :SLEW :ENABle <n> [:BOTH] <n> {,<n>} :CSUMmary :POINts? [:EVENt]? :NEGative <n> {,<n>} :ENABle <n> : POSitive <n> {,<n>} :OPERation :TLEVel <n>...

  • Page 20: General Information

    General Information Document Orientation This manual describes the operation of the Keysight Model N3300A, N3301A, N3302A, N3303A N3304A, N3305A, N3306A and N3307A DC Electronic Loads. Unless otherwise noted, all units will be referred to by the description "electronic load" throughout this manual. The following documents and software are shipped with your electronic load: ♦...

  • Page 21: Safety Considerations

    9-pin M to 9-pin M for modem Description The N3300A is a DC Electronic Load Mainframe used for design, manufacturing, and evaluation of dc power supplies, batteries, and power components. Other applications include use as a power circuit breaker or crowbar, high current function or pulse generator, fuel-cell and photovoltaic cell test, and de-energizing superconducting magnets.

  • Page 22: Features And Capabilities

    General Information - 2 The N3301A is a DC Electronic Load Mainframe that is functionally identical to the N3300A, but is a half-rack width with only two slots for load modules. The mainframe can dissipate up to 300 watts per slot, to a total of 600 watts for a fully loaded mainframe.

  • Page 23: Operating Modes

    2 - General Information Operating Modes The three modes of operation are: ♦ Constant current (CC). ♦ Constant voltage (CV). ♦ Constant resistance (CR). When programmed to a mode, a module remains in that mode until the mode is changed or until a fault condition, such as an overpower or overtemperature, occurs.

  • Page 24: Constant Resistance (Cr) Mode

    General Information - 2 Triggered Current Level A current level can be preset (stored in the electronic load) allowing the input to be updated when a trigger is received instead of immediately as described above. If the CC mode is the active mode, the preset current level will become the actual value and the input will be updated when a trigger occurs.

  • Page 25: Constant Voltage (Cv) Mode

    2 - General Information Figure 2-2. Constant Resistance Mode Immediate Resistance Level The resistance level can be set at the front panel or via the GPIB (RES command). If the CR mode is active, the new setting immediately changes the input at a rate determined by the voltage or current slew setting (see description below).
  • Page 26 General Information - 2 (VOLT:RANG command). The electronic load selects the range that corresponds to the range value that you program. If the range value falls in a region where ranges overlap, the electronic load selects the Low range. If the present input setting is outside the Low range, the electronic load will automatically adjust the input setting to the highest value available in the Low range.

  • Page 27: Transient Operation

    2 - General Information Transient Operation Transient operation enables the module to periodically switch between two load levels, as might be required for testing power supplies. A power supply's regulation and transient characteristics can be evaluated by monitoring the supply's output voltage under varying combinations of load levels, frequency, duty cycle, and slew rate. Transient operation can be turned on and off at the front panel or via the GPIB (TRAN ON and TRAN OFF commands).

  • Page 28: List Operation

    General Information - 2 List Operation List mode lets you generate complex sequences of input changes with rapid, precise timing, which may be synchronized with internal or external signals. This is useful when running test sequences with a minimum amount of programming overhead. You can program up to 50 settings (or steps) in the list, the time interval (dwell) that each setting is maintained, the number of times that the list will be executed, and how the settings change in response to triggers.
  • Page 29 2 - General Information If the ac line is selected via the GPIB as the trigger source, triggers will be generated once for each cycle of ac input power. An ac line frequency of 60 Hz produces a trigger period of 16.67 ms; 50 Hz line frequency produces a trigger period of 20 ms.
  • Page 30 General Information - 2 Therefore, both minimum transition time and slew rate must be considered when determining the actual transition time. This is shown in Figure 2-8, which shows the minimum transition time for a given slew rate as a horizontal line, and at about a 13.3% or greater load change, the slew rate increases from the minimum transition time to the Maximum transition time at a 100% load change.

  • Page 31: Input Control

    2 - General Information Input Control Short On/Off A module can simulate a short circuit at its input by turning the load on with full-scale current. The short circuit can be toggled on/off at the front panel using the SHORT command in the Func menu, or via the GPIB (INPUT:SHORT ON|OFF command).
  • Page 32 General Information - 2 Caution To protect the electronic load from possible damage, the input voltage must not exceed the maximum input voltage rating specified in the module-specific pages supplied with each module. Never apply the ac line voltage to a module's input connectors. Overvoltage The overvoltage protection circuit is set at a predetermined voltage level, which cannot be changed.
  • Page 33 2 - General Information remain set until they are reset. If the OT condition still exists when the reset is executed, the module's input will remain off. You must wait until the module cools down before you can reset the OT circuit. The fan(s) will continue to operate to cool the unit as quickly as possible.

  • Page 34: Saving And Recalling Settings

    General Information - 2 Saving and Recalling Settings The electronic load has internal registers in which settings (mode, current, voltage, resistance, slew, transient level, etc.) for each module can be saved. By saving settings and recalling them later you can save programming time.

  • Page 35: Fault

    2 - General Information 20A Input (programmed via GPIB or front panel) ± 1V (2 V peak-peak) 1 kHz external programming signal The external programming signal (+ 1 and - 1 volt) corresponds to + 6 and - 6 amps at the input (1 volt external programming input = 1/10 full scale).

  • Page 36: Dc Measurements

    General Information - 2 As shipped from the factory, front panel measurements for input voltage and current are calculated from a total of 1000 readings taken at a 10 microsecond sampling rate. There are no trigger controls for front panel measurements.

  • Page 38: Installation

    If there is damage, notify the shipping carrier and nearest Keysight Sales and Support Office immediately. The list of Keysight Sales and Support Offices is at the back of this guide. Warranty information is printed in the front of this guide.

  • Page 39: Installing The Modules

    3 - Installation Installing the Modules Procedure 1. With the mainframe off, disconnect the power cord and remove the top cover by loosening the screws with a flat-bladed screwdriver. 2. Remove any packing material from inside the mainframe. 3. Grasp the module using the quarter-turn locking fastener and the input connectors. This reduces the possibility of damage to static sensitive components on the pc board.

  • Page 40: Channel Number

    GPIB board is the highest numbered channel in your system. Figure 3-2 shows the channel assignments for a Keysight N3300A electronic load mainframe containing a N3304A single-width module and a N3305A double-width module. One channel number is automatically assigned to each module according to the order in which it was installed in the mainframe.
  • Page 41 3 - Installation Figure 3-3A. N3300A Outline Diagram Figure 3-3B. N3301A Outline Diagram Figure 3-3C. N3300A Connector Diagram...

  • Page 42: Bench Operation

    Do not block the fan exhaust at the rear of the unit. Rack Mounting The N3300A electronic load can be mounted in a standard 19-inch rack panel or cabinet. Rack mount kits are available as Option 908 and 909 (with handles). Support rails are also required for rack mounting. These are normally supplied with the cabinet and are not included with the rack mount options.

  • Page 43: Input Connections

    1. Connect the power cord to the IEC 320 connector on the rear of the unit. If the wrong power cord was shipped with your unit, contact your nearest Keysight Sales and Support Office (refer to the list at the back of this guide) to obtain the correct cord.

  • Page 44: Manually-Tightened Connectors

    Installation - 3 Manually-Tightened Connectors The standard manually-tightened input connectors are located on the rear panel and are used for connecting unterminated wires directly to the back of the modules. Two screw-down connectors (+ and −) are provided on each module for connecting the input wires to the electronic load (see figure 3-6a).

  • Page 45: Wire Considerations

    3 - Installation conical spacer washer (0380-4835) (3050-1924) insert 4 AWG cover tabs wire max. insulated (5040-1736) spacer wire lug (AMP 52266-3) connector breakaway assembly with bolt (5040-1739) tighten spacer cover screw safety cover secured wires exiting at bottom wires exiting at top Figure 3-6b.
  • Page 46 Installation - 3 Table 3-2. Stranded Copper Wire Ampere Capacity Wire Size Ampacity Notes: 1. Ratings for AWG-sized wires derived from MIL-W- Cross Section 5088B. Ratings for metric-sized wires derived from Area in mm IEC Publication 335-1. 8.33 2. Ampacity of aluminum wire is approximately84% of 0.75 that listed for copper wire.

  • Page 47: Control Connector

    3 - Installation Control Connector A 14-pin connector and a quick-disconnect mating plug (p/n 0360-2870) are provided on each module for connecting remote sense leads, external V/I monitors, an external programming input, and external control lines (see figure 3-7). The mating plug is packaged in an envelope that is included with the module. Consistent with good engineering practice, all leads connected to the control connector should be twisted and shielded to maintain the instrument's specified performance.

  • Page 48: Sense Switch

    Installation - 3 Sense Switch A local/remote sense switch is provided on each module. Unless you are using remote sensing, make sure that the sense switch is set to LCL (depressed). Remote sensing is used in certain applications to achieve better voltage regulation and measurement accuracy (refer to Remote Sense Connections for more information).

  • Page 49: Computer Connections

    The total length of all cables used is no more than 2 meters times the number of devices connected together, up to a maximum of 20 meters. (Refer to Table 2-2 for a list of GPIB cables available from Keysight Technologies.)

  • Page 50: Application Connections

    Local sensing is used in applications where lead lengths are relatively short, or where load regulation is not critical. The sense switch must be set to LCL. Load leads should be bundled or tie-wrapped together to minimize inductance. N3300A Figure 3-10. Local Sensing Remote Sense Connections Figure 3-11 illustrates a typical setup with module number 1 connected for remote sense operation.
  • Page 51 3 - Installation N3300A Figure 3-11. Remote Sensing N3300A Figure 3-12. Parallel Operation...

  • Page 52: Low Voltage Operation

    A higher power load module may now be needed. Also, the boost supply must have adequate ratings to allow the DUT to produce its full rated current. Finally, and noise generated by the boost supply will affect measurements made on the DUT. A boost supply with suitable noise specifications should be selected. N3300A Figure 3-13. Zero Volt Loading...

  • Page 54: Turn-On Checkout

    Turn-On Checkout Introduction Successful tests in this chapter provide a high degree of confidence that the electronic load is operating properly. For verification tests, see Appendix B. NOTE: This chapter provides a preliminary introduction to the electronic load front panel. See Chapter 5 for more detail.

  • Page 55: In Case Of Trouble

    If this occurs, turn the power off and then back on to see if the error persists. If the error message persists, the electronic load requires service. Refer to the list of Keysight Sales and Support Offices at the back of this manual.

  • Page 56: Front Panel Operation

    The electronic load must be set in Local Mode to use the front panel controls. Press the Local key on the front panel to put the unit in Local Mode. Front Panel Description N3300A SYSTEM DC ELECTRONIC LOAD SYSTEM FUNCTION...
  • Page 57 5 – Front Panel Operation  15-character fluorescent display for showing measurements and programmed values. Display  Annunciators light to indicate operating modes and status conditions: Annunciators φ1 A list is in progress The electronic load channel is in constant-voltage mode. The electronic load channel is in constant-current mode.

  • Page 58: System Keys

    Front Panel Operation - 5 System Keys Refer to the examples later in this chapter for more details on the use of these keys. SYSTEM Ident Local Error Address Save Recall Figure 5-2. System Keys This is the blue, unlabeled key, which is also shown as shift in this guide. Pressing this key accesses the alternate or shifted function key (such as ERROR).

  • Page 59: Function Keys

    5 – Front Panel Operation Function keys Refer to the examples later in this chapter for more details on the use of these keys. FUNCTION Sense Step Meter Func Channel Step Current Channel Prot Clear List Protect Tran Trigger Input Voltage Trigger on/off...

  • Page 60: Scrolling Keys

    Front Panel Operation - 5 Scrolling Keys   Scrolling keys let you move through the commands in the presently selected function menu. Press ▼ to bring up the next command in the list. Press ▲ to go back to the previous command in the list.

  • Page 61: Input Control Keys

    5 – Front Panel Operation Input Control Keys Input control keys control the input functions of the electronic load. Shift Channel Press this key to select another channel. Enter the channel number using the Entry Keys. ▼ Channel (This key performs the same function as Current Press this key to access the current menu.

  • Page 62: Transient Control Keys

    Front Panel Operation - 5 Transient Control Keys Transient control keys control the transient functions of the electronic load. Tran Press this key to access the function menu. Display Command Function TRAN <value> Sets the current of input T:DCYC Sets the current mode to FIX or LIST T:FREQ Sets the current slew rate for both positive and negative transitions T:MODE...

  • Page 63: Entry Keys

    5 – Front Panel Operation Entry Keys Input Input Enter Clear Entry Figure 5-4 Entry Keys   These keys perform two functions. In Meter mode, these keys can be used to adjust Input Input the present input current, voltage, or resistance - depending on which function is presently active (indicated by the CC, CR, or CV annunciator).

  • Page 64: Examples Of Front Panel Programming

    Front Panel Operation - 5 Examples of Front Panel Programming You will find these examples on the following pages: 1. Using the front panel display. 2. Programming constant current, voltage, and resistance modes. 3. Programming transient operation. 4. Programming lists. 5.
  • Page 65 5 – Front Panel Operation On the Function keypad, press Input On/Off to turn input on. Dis annunciator off To make minor changes to an existing value: On the Function keypad, press CURR 2.25 Current. On the Entry keypad, press Input or  Input to scroll from 1.25 to 2.25.

  • Page 66: Programming Transient Operation

    Front Panel Operation - 5 3 - Programming Transient Operation Transient operation can be used in the CC, CR or CV mode. It causes the selected channel to switch between two load levels. Set transient operation for Continuous mode In the following example, assume that the CC mode is active, the slew rate is at the default setting (maximum rate), and the applicable transient operation parameters have been set as follows: continuous mode, main current level = 5A, transient current level = 10 A, transient frequency = 1kHz, transient duty cycle = 40.
  • Page 67 5 – Front Panel Operation Set transient operation for Pulse mode In this example, assume that the CC mode is active, the slew rate is at the factory default setting (maximum rate), and the applicable transient operation parameters have been set as follows: pulse mode, main current level = 5 A, transient current level = 10 A, pulse width = 1 millisecond.

  • Page 68: Programming Lists

    Front Panel Operation - 5 Figure 5-7. Toggled Transient Operation Action Display On the Function keypad, press Current. On the Entry keypad, press 5 Enter . CURR 5 On the Function keypad, press Current. On the Function keypad, press  key until C:TLEV transient current is displayed.
  • Page 69 5 – Front Panel Operation Trigger List Count = 1 List Count = 2 Figure 5-8. List Sequence Action Display Access the List menu again and press  until you access the dwell time. This specifies DWEL:0 2 the time for each current point, which is effectively its width. The first dwell point (0) appears in the display.

  • Page 70: Querying And Clearing Output Protection And Errors

    Front Panel Operation - 5 5 - Querying and Clearing Output Protection and Errors When overvoltage, overcurrent, or overtemperature condition occurs, the Prot annunciator on the front panel will be on and the electronic load will disable its input. Error messages can occur at any time during the operation of the unit. When the Err annunciator on the front panel is on, it means that either an error has occurred on the GPIB bus, or a selftest error has occurred.

  • Page 71: Setting The Gpib Address

    5 – Front Panel Operation Action Display Displays the minimum current <chan> <value> A MIN Displays the rms voltage <chan> <value> A RMS Displays the input power <chan> <value> WATTS Displays the maximum power <chan> <value> W MAX Displays the minimum power <chan>...

  • Page 72: Specifications

    Specifications Table A-1 lists the specifications for the different load models. Specifications indicate warranted performance in the 25°C ±5°C region of the operating temperature range. Specifications apply to normal and transient modes unless otherwise noted. Table A-1. Specifications N3302A N3303A N3304A N3305A N3306A...
  • Page 73 A - Specifications Table A-1. Specifications (continued) N3302A N3303A N3304A N3305A N3306A N3307A Constant Current Mode Low Range/High Range 3A / 30A 1A / 10A 6A / 60A 6A / 60A 12A / 120A 3A / 30A Regulation 10mA 10mA 10mA 10mA 10mA...
  • Page 74 Specifications - A Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typical performance determined either by design or type testing. Table A-2. Supplemental Characteristics N3302A N3303A N3304A N3305A N3306A N3307A Programming Resolution Constant Current Mode 0.05mA/0.5mA 0.02mA/0.2mA 0.1mA/1mA...
  • Page 75 Vih-3.15V min (pull-up resistor on input) Inputs Digital/Trigger Vol=0.72V max at Iol=1mA Voh=3.3V min at Ioh=-20uA Outputs Calibration Interval 1 year for modules; N3300A and N3301A Electronic Load mainframes do not require calibration Weight 2.7kg (6lb) 2.7kg (6lb) 2.7kg (6lb) 4.6kg (10lb) 4.6kg (10lb) 2.7kg (6lb)
  • Page 76 Specifications - A Table A-3. N3300A/N3301A Supplemental Characteristics N3300A N3301A Operating Temperature Range 0°C to 55°C Input Ratings Nominal Input 100-120/200-240 Vac 50/60 Hz Operating range 90-132 Vac or 180-264 Vac 90-264 Vac 47-63 Hz 47-63 Hz Input Current 4.2A @ 100-120 Vac ; 2.2 A @ 200-240 Vac 2.3A @ 100-240 Vac...

  • Page 78: Performance Test And Calibration Procedures

    Electronic Load Module passes the verification procedures, the unit is operating within its calibration limits and does not need to be re-calibrated. If the electronic load requires service, refer to the list of Keysight Sales and Support Offices at the back of this manual.

  • Page 79: Performance Tests

    B - Performance Test and Calibration Performance Tests IMON Zero Verification This test verifies that IMON Zero is within calibration. IMON zero must be in calibration to perform the tests in this section. If the IMON value is not within calibration, go to the calibration section of this appendix and calibrate IMON zero, IPROG, current programming and readback and resistance programming and readback.

  • Page 80: Cv Mode Tests

    Performance Test and Calibration - B Checking low current range, low current point. Press [ CURR ] [ 1 ] (for N3303A press [ CURR ] [ 0.1 ] ) [Enter]. Press [ CURR ]. Scroll until display reads C:RANG, press [ 1 ] [ Enter ]. Press shift key then [ Sense ]. Scroll until display reads S:C:RNG press [ 1 ] [ Enter ].
  • Page 81 B - Performance Test and Calibration N3302A N3303A N3304A N3305A N3306A N3307A Power Source Voltage Setting 246V 152V 152V Power Source Current Setting 0.6A Checking high voltage range, low voltage point. Press [ VOLT ] [ 3 ] [ Enter ]. Wait 10 seconds, then record actual input voltage (DVM reading) and front panel readings on test record card under high voltage range, low voltage.

  • Page 82: Cr Mode Tests

    Performance Test and Calibration - B CR Mode Tests These tests verify that the module operates in CR mode and the resistance programming is within specification. The programmed resistance values are checked by recording the voltage across the current monitor resistor and the input voltage (voltage at the modules + and –...
  • Page 83 B - Performance Test and Calibration Set power source voltage and current values as listed in following table. N3302A N3303A N3304A N3305A N3306A N3307A Power Source Voltage Setting Power Source Current Setting Wait 15 seconds. Calculate and record resistance range 2 high resistance point Resistance Range 3 Programming Accuracy Press [ RES ].
  • Page 84 Performance Test and Calibration - B Set power source voltage and current values as listed in following table. N3302A N3303A N3304A N3305A N3306A N3307A Power Source Voltage Setting Power Source Current Setting 3.5A 3.5A 3.5A 3.5A Wait 3 seconds. Calculate and record resistance range 4 high resistance point.

  • Page 85: Keysight N3302A Verification Test Record

    B - Performance Test and Calibration Keysight N3302A Verification Test Record Test Description Minimum Results Maximum Specification Specification Constant Current Mode Tests 30 Ampere Range Programming and Readback Low Current ( 1 A ) 0.989 A _______A 1.011 A Front Panel Display Aout –...

  • Page 86: Keysight N3303A Verification Test Record

    Performance Test and Calibration - B Keysight N3303A Verification Test Record Test Description Minimum Results Maximum Specification Specification Constant Current Mode Tests 10 Ampere Range Programming and Readback Low Current ( 1 A ) 0.9915 A _______A 1.0085 A Front Panel Display Aout –...

  • Page 87: Keysight N3304A Verification Test Record

    B - Performance Test and Calibration Keysight N3304A Verification Test Record Test Description Minimum Results Maximum Specification Specification Constant Current Mode Tests 60 Ampere Range Programming and Readback Low Current ( 1 A ) 0.984 A _______A 1.016 A Front Panel Display Aout –10.5mA...

  • Page 88: Keysight N3305A Verification Test Record

    Performance Test and Calibration - B Keysight N3305A Verification Test Record Test Description Minimum Results Maximum Specification Specification Constant Current Mode Tests 60 Ampere Range Programming and Readback Low Current ( 1A ) 0.984 A _______A 1.016 A Front Panel Display Aout –...

  • Page 89: Keysight N3306A Verification Test Record

    B - Performance Test and Calibration Keysight N3306A Verification Test Record Test Description Minimum Results Maximum Specification Specification Constant Current Mode Tests 120 Ampere Range Programming and Readback Low Current ( 1A ) 0.9615 A _______A 1.0385 A Front Panel Display Aout –...

  • Page 90: Keysight N3307A Verification Test Record

    Performance Test and Calibration - B Keysight N3307A Verification Test Record Test Description Minimum Results Maximum Specification Specification Constant Current Mode Tests 30 Ampere Range Programming and Readback Low Current ( 1 A ) 0.984 A _______A 1.016 A Front Panel Display Aout –...
  • Page 91 B - Performance Test and Calibration N330xA Module (top view) Location of I MON zero pins on single-slot modules IMON_INV GND_AQS Keysight 3458 or A COM IMON_INV 34401 DVM I MON GND_AQS Ribbon Cable INPUT TERMINALS MUST BE OPEN Figure B-1. I MON ZERO CALIBRATION...
  • Page 92 Performance Test and Calibration - B N330xA Module Power Keysight 3458 or Source 34401 DVM Be sure sense switch is in RMT position Figure B-3. VOLTAGE CALIBRATION N330xA Module SHUNT Power Source Keysight 3458 or 34401 DVM Keysight 3458 or...

  • Page 93: Calibration

    B - Performance Test and Calibration Calibration Parameters Calibrated The following parameters may be calibrated: • External Current Monitor (Imon) • External Current Programming (Iprog) • Input Current • Input Voltage • Input Resistance You do not have to do a complete calibration each time. If appropriate, you may calibrate only the current, voltage or resistance and proceed to “Saving Calibration Constants”.

  • Page 94: Imon, Iprog And Current Calibration Program

    Performance Test and Calibration - B IMON, IPROG and CURRENT Calibration Program This program will calibrate Imon, Iprog and Current for load modules N3302A, N3303A, N3304A, N3305A, N3306A and N3307A. last update 1/11/02 Edit the interface address on line 100 if different then 705 ASSIGN @Ld TO 705 OUTPUT @Ld;"*RST"...
  • Page 95 B - Performance Test and Calibration INPUT "Enter value of high range current shunt in ohms",Rshunt DISP "You have entered ";Rshunt;" ohms" INPUT "If correct enter 'Y' or press CONT, if wrong enter 'N' or 'n'",Y$ IF UPC$(Y$)="Y" OR Y$="" THEN 590 IF UPC$(Y$)="N"...
  • Page 96 Performance Test and Calibration - B 1110 1120 OUTPUT @Ld;"CAL:IPR:LEV P4" 1130 1140 PRINT TABXY(20,20),"Calibrating IMON & IPROG P4 - 30 SECOND WAIT" 1150 WAIT 30 1160 CLEAR SCREEN 1170 1180 INPUT "Measure voltage across current shunt and enter in volts",Ip4 1190 1200 INPUT "Measure Imon voltage and enter in volts",Vimonp4...
  • Page 97 B - Performance Test and Calibration 1690 CLEAR SCREEN 1700 1710 OUTPUT @Ld;"INP:STAT ON" 1720 OUTPUT @Ld;"CAL:LEV P1" 1730 1740 PRINT TABXY(10,10),"Calibrating low current range P1 - 30 SECOND WAIT" 1750 WAIT 30 1760 CLEAR SCREEN 1770 1780 INPUT "Measure voltage across current shunt and enter in volts",Ip1 1790 1800 Ip1=Ip1/Rshuntl...

  • Page 98: Voltage Calibration Program

    Performance Test and Calibration - B VOLTAGE Calibration Program This program calibrates the voltage mode for load modules N3302A, N3303A, N3304A, N3305A, N3306A and N3307A. last update 1/11/02 Edit the interface address on line 100 if different then 705 ASSIGN @Ld TO 705 OUTPUT @Ld;"*RST"...
  • Page 99 B - Performance Test and Calibration INPUT "Measure voltage at +/- sense terminals and enter value in volts",Vp1 OUTPUT @Ld;"CAL:DATA";Vp1 OUTPUT @Ld;"CAL:LEV P2" WAIT 1 INPUT "Measure voltage at +/- sense terminals and enter value in volts",Vp2 OUTPUT @Ld;"CAL:DATA";Vp2 OUTPUT @Ld;"CAL:SAVE" OUTPUT @Ld;"CAL:STAT OFF"...

  • Page 100: Resistance Calibration Program

    Performance Test and Calibration - B RESISTANCE Calibration Program This program calibrates the resistance mode for load modules N3302A, N3303A, N3304A, N3305A, N3306A and N3307A. last update 1/11/02 The variables for the module to be calibrated must be inserted in the program where a < variable > is encountered. See Table B-2 for variables for the module you are calibrating.
  • Page 101 B - Performance Test and Calibration PRINT TABXY(10,12);"Set power source to voltage and current settings from Table B-2" PRINT TABXY(10,13);"for resistance range 1 - Point P2" DISP "Press Cont to continue resistance range 1 calibration" PAUSE OUTPUT @Ld;"CAL:LEV P2" CLEAR SCREEN PRINT TABXY(9,15);"CALIBRATING RESISTANCE RANGE 1 - P2 - 30 SECOND WAIT”...
  • Page 102 Performance Test and Calibration - B 1080 Rp2=Vt2/Ip2 1090 OUTPUT @Ld;"CAL:DATA";Rp2 1100 OUTPUT @Ld;"INP:STAT OFF" 1110 1120 ************ CALIBRATING RANGE 3 ****************** 1130 1140 CLEAR SCREEN 1150 INPUT "Enter value of current shunt for range 3 in OHMS",Rshunt3 1160 PRINT TABXY(10,10);"You have entered ";Rshunt3;" ohms" 1170 INPUT "If correct enter 'Y' or press CONT, if wrong enter 'N' or 'n'",Y$ 1180...
  • Page 103 B - Performance Test and Calibration 1620 CLEAR SCREEN 1630 1640 PRINT TABXY(10,12);"Set power source to voltage and current settings from" 1650 PRINT TABXY(10,13);"Table B-1 for resistance range 4 - Point P1" 1660 DISP "Press CONT when ready to calibrate resistance range 4" 1670 PAUSE 1680...

  • Page 104: Index

    Index constant current, 22 constant resistance, 23 constant voltage, 24 control connector, 46 -- -- -- -- --, 69 controller connections, 48 CR, 23 CR mode, 63 current 0 ... 9, 62 range, 22 triggered, 23 current measurement range, 69 current monitor, 33 8mm screw terminal connector, 43 CV, 24...
  • Page 105 Index scrolling, 58 overpower, 31 short on/off, 60 overtemperature, 31 transient control, 61 overvoltage, 31 OVLD, 69 trigger control, 61 voltage, 60 port, 34 GPIB, 70 power cord, 37, 42 address, 70 power measurements, 35 connections, 48 power receptacle, 20 ground, earth, 20 print date, 6 guide, user’s, 19...
  • Page 106 Index trigger connector, 47 slew rate, 28 specifications, 71 trigger mode, 27 status reporting, 32 support rails, 41 system keys, 57 Address, 57 verification Error, 57 equipment, 77 Interface, 57 voltage Local, 57 range, 24 RCL, 57 triggered, 25 Save, 57 VXIplug&play, 19 Shift, 57 warranty, 2...
  • Page 107 Keysight Sales and Support Office For more information about Keysight Technologies test and measurement products, applications, services, and for a current sales office listing, visit our web site: http://www.keysight.com/find/tmdir You can also contact one of the following centers and ask for a test and measurement sales representative.
  • Page 108 This information is subject to change without notice. © Keysight Technologies 2000, 2002, 2014 Edition 3, August 2014 *5964-8196* 5964-8196 www.keysight.com...

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