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DL3031
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Rigol DL3031, DL3021A, DL3021, DL3031A User guide

RIGOL
User’s Guide
DL3000 Series Programmable DC
Electronic Load
Aug. 2017
RIGOL TECHNOLOGIES, INC.

Guaranty and Declaration

Copyright
© 2017 RIGOL TECHNOLOGIES, INC. All Rights Reserved.
Trademark Information
RIGOL is a registered trademark of RIGOL TECHNOLOGIES, INC.
Publication Number
UGJ01104-1110
Software Version
00.01.01 Software upgrade might change or add product features. Please acquire the latest version of the manual from RIGOL website or contact RIGOL to upgrade the software.
Notices
RIGOL produ cts are cove red by P.R.C. and f oreign pa tents, issue d and pendin g. RIGOL reserves the right to modify or change parts of or all the specifications
Information in this publica tion re places all previ ously released materials. Information in this publication is subject to change without notice. RIGOL shall not be liable for either incidental or consequential losses in
Any part of th is d ocu ment is f orbi dden to be c opie d, ph oto copie d, o r rea r ran ged
and pricing policies at the company’s sole decision.
connection with the furnishing, use, or performance of this manual, as well as any information contained.
without prior written approval of RIGOL.
Product Certification
RIGOL guarantees that this product conforms to the national and industrial standards in China as well as the ISO9001:2008 standard and the ISO14001:2004 standard. Other international standard conformance certifications are in progress.
Contact Us
If you have any problem or requirement when using our products or this manual, please contact RIGOL. E-mail: service@rigol.com Website: www.rigol.com
DL3000 User’s Guide I
RIGOL

Safety Requirement

General Safety Summary

Please review the following safety precautions carefully before putting the instrument into operation so as to avoid any personal injury or damage to the instrument and any product connected to it. To prevent potential hazards, please follow the instructions specified in this manual to use the instrument properly.
Use Proper Power Cord.
Only the exclusive power cord designed for the instrument and authorized for use within the local country could be used.
Ground the Instrument.
The instrument is grounded th rou gh t he Protective Earth lead of the p ower cord. To avoid electric shock, con nect the earth terminal of the power cord to the Protective Earth terminal before connecting any input or output terminals.
Connect the Probe Correctly.
If a probe is used, the probe ground lead must be connected to earth ground. Do not connect the ground lead to high v olta ge. Imp roper w ay of connection c ould result in dangerous voltages being present on the connectors, controls or other surfaces of the oscilloscope and probes, which will cause potential hazards for operators.
Observe All Terminal Ratings.
To avoid fire or shock hazard, observ e all rat ings and ma rkers on the instrume nt and check your manual for more information about ratings before connecting the instrument.
Use Proper Overvoltage Protection.
Ensure that no over voltage (su ch as that cause d by a bolt of lightning ) can reach the product. Otherwise, the operator might be exposed to the danger of an electric shock.
Do Not Operate Without Covers.
Do not operate the instrument with covers or panels removed.
Do Not Insert Objects Into the Air Outlet.
Do not insert objects into the air outlet, as doing so may cause damage to the instrument.
Use Proper Fuse.
Please use the specified fuses.
II DL3000 User’s Guide
Avoid Circuit or Wire Exposure.
Do not touch exposed junctions and components when the unit is powered on.
Do Not Operate With Suspected Failures.
If you suspect that any damage may occur to the instrument, have it inspected by RIGOL authorized personnel before further operations. Any maintenance, adjustment or replacement especially to circuits or accessories must be p erformed by RIGOL authorized personnel.
Provide Adequate Ventilation.
Inadequate ventilation may cause an increase of temperature in the instrument, which would cause damage to the instrument. So please keep the instrument well ventilated and inspect the air outlet and the fan regularly.
Do Not Operate in Wet Conditions.
To avoid short circuit inside the instrument or electric shock, never operate the instrument in a humid environment.
Do Not Operate in an Explosive Atmosphere.
To avoid personal injuries or damage to the instrument, never operate the instrument in an explosive atmosphere.
Keep Product Surfaces Clean and Dry.
T o a void dust or moisture from af fecting the pe rformance of the inst rument, keep th e surfaces of the instrument clean and dry.
Prevent Ele c tr o static Imp act.
Operate the instrume nt i n an el ectr ostatic dischar ge protectiv e envi ron ment to a void damage induced by static discharges. Always ground both the internal and external conductors of cables to releas e sta t i c be fore making connections.
Use the Battery Properly.
Do not expose the battery (if available) to high temperature or fire. Keep it out of the reach of children. Improper change of a battery (lithium battery) may cause an explosion. Use the RIGOL specified battery only .
Handle with Caution.
Please handle with care during transportation to avoid damage to keys, knobs, interfaces, and other parts on the panels.
DL3000 User’s Guide III
RIGOL
WARNING
CAUTION DANGER
It calls attention to an operation, if not correctly performed, could
CAUTION
It calls attention to an operation, if not correctly performed, could
Hazardous
Voltage
Safety Warning
Protective Earth
Terminal
Chassis Ground
Test Ground

Safety Notices and Symbols

Safety Notic e s in this Manua l:
Indicates a potentially hazardous situation or practice which, if not avoided, will result in serious injury or death.
Indicates a potentially hazardous situation or practice which, if not avoided, could result in damage to the product or loss of important data.
Safety Terms on the Product:
result in injury or hazard immediately.
WARNING It calls attention to an operation, if not correctly performed, could
result in potential injury or hazard. result in damage to the product or other devices connected to the
product.
Safety Symbols on the Product:
IV DL3000 User’s Guide

Care and Cleaning

Care
Do not store or leave the instrument where it may be exposed to direct sunlight for long periods of time.
Cleaning
Clean the instrument regularly according to its operating conditions.
1. Disconnect the instrument from all power sources.
2. Clean the external surfaces of the instrument with a soft cloth dampened with mild detergent or water. When cleaning the LCD , take care to av oid sca rifying it .
CAUTION
To avoid damage to the instrument, do not expose it to caustic liquids.
WARNING
To avoid short-circuit resulting from moist ure or personal injuries, ensure that the instrument is completely dry before connecting it to the power supply.

Environmental Consideratio ns

The following symbol indicates that this product complies with the WEEE Directive 2002/96/EC.
Product End-of-Life Handling
The equipment may contain substances that could be har mful to the en vironm ent o r human health. To avoid the release of such substances into the environment and avoid harm to human health, we recommend you to recycle this product appropriately to ensure that most materials are reused or recycled properly. Please contact your local authorities for disposal or recycling information.
DL3000 User’s Guide V
RIGOL

DL3000 Series Overview

DL3000 is a cost-effective programmable DC electronic load with high performance. With a user-friendly interface and superb performance specifications, DL3000 series provides variou s i nt e rf aces for remote communication to meet your divers i fi ed test requirements. It can be widely used in various industries, such as automotive electronics, aerospace, and fuel cells.
Main Features:
DL3021/DL3021A: single channel, DC 150 V/40 A, total power up to 200 W DL3031/DL3031A: sin gle c hannel, DC 150 V/60 A, total power up to 350 W Dynamic mode: up to 30 kHz Adjustable current rising speed: 0.001 A/μs to 5 A/μs Min. readback resolution: 0.1 mV, 0.1 mA 4.3-inch TFT LCD, capable of displaying multiple parameters and states
simultaneously
Overvoltage/overcurrent/overpower/overtemperature/reverse voltage
protection
4 static mod e s: CC, CV, CR, CP 3 dynamic modes: continuous, pulsed, toggled List func tion supports editing as many as 512 ste ps Battery test function, OCP test, OPP test, factory test function, etc. Short-circuit test function Power-off memory function Built-in RS232/USB/LAN communication interface USB-GPIB interface converter (optional)
VI DL3000 User’s Guide
Tip
RIGOL

Document Overview

Chapter 1 Quick Start
This chapter introduces so me basic information that y ou should know when yo u use the DL3000 series electronic load for the first time. This section contains the following contents: out -of-box inspection method, th e appeara nce and dimensions of the instrument, descriptions of the front /rear panel, how to connect the power supply, how to carry out the turn-on checkout, how to replace the fuse, a brief introduction about the user interface, how to use the built-in help system, and how to set the parameters.
Chapter 2 Front Panel Ope r a tio n s
This chapter gives a detailed description about the functions of all the keys on the front panel of DL3000 series and detailed operation met ho ds.
Chapter 3 Remote Control This chapter introduces how to remotely control the instrument.
Chapter 4 Troubleshooting
This chapter introduces the p ossible failu res and solutions in using the DL3000 series electronic load.
Chapter 5 Specifications
This chapter lists all the performance specifications of the DL3000 series electronic load.
Chapter 6 Appendix
This chapter provides the order information and warranty information about the DL3000 series electronic load.
Index
This chapter provides keyword sea rch informat ion, enabling yo u to quickly locat e the desired information.
For the latest version of this manual, download it from the official website of
(www.rigol.com).
Format Conventions in this Manual
1. Key
(1) The key on the front panel is denoted by the format of "Key Name (Bold) +
T ext Box" in the manual. F or example, ON/OFF denotes the "ON/OFF" key .
(2) Use the screen shot to indicate the key. For example, denotes the
Power key.
DL3000 User’s Guide VII
RIGOL
DL3031/DL3031A
1
DC 150 V
60 A
350 W
2. Menu Softkey
The menu softkey is denoted by the format of “Menu Word (Bold) + Character Shading”. For example, Interface denotes the “Interface” menu softkey under
Utility.
Content Con v entions in th is Ma n ual
The number of channels and the rated values of input parameters for the DL3000 series are listed in the following t able. Unless otherwise specified, this manual takes DL3031A as an example to illustrate the functions and operation methods of the DL3000 se ries.
Model No. of Channels Voltage Current Power
DL3021/DL3021A 1 DC 150 V 40 A 200 W
VIII DL3000 User’s Guide
Contents
Guaranty and Declaration ......................................................................... I
Safety Requirement ................................................................................ II
General Safety Summary ........................................................................... II
Safety Not ices and Symbol s ...................................................................... IV
Care and Cleaning .................................................................................... V
Environmental Considerations .................................................................... V
DL3000 Series Overview .......................................................................... VI
Document Overview ............................................................................... VII
Chapter 1 Quic k S tart ......................................................................... 1-1
General Inspection ................................................................................ 1-2
Appearance and Dime nsions ................................................................... 1-3
Front Panel ........................................................................................... 1-4
Rear Panel ........................................................................................... 1-10
Turn-on Checkout ................................................................................. 1-12
To Connect to Power Supply............................................................ 1-12
To Pow er On the Instrument ........................................................... 1-13
Fuse Replacement ................................................................................ 1-14
User Interface ...................................................................................... 1-15
To Use the Built-in Help System ............................................................. 1-16
Parameter Setting Method ..................................................................... 1-17
Chapter 2 Front Panel Operations ...................................................... 2-1
Local/Remote Operation Mode ................................................................ 2-2
Local Operation Mode ...................................................................... 2-2
Remote Operation Mode .................................................................. 2-2
Static Operation Mode ........................................................................... 2-3
Constant Current (CC) Mode ............................................................ 2-3
Constant Voltage (CV) Mode ............................................................ 2-7
Constant Resistance (CR) Mode ....................................................... 2-11
Constant Power (CP) Mode ............................................................. 2-14
Transient Test Function ......................................................................... 2-17
CC Continuous Mode (Con) ............................................................. 2-17
CC Pulsed Mode (Pul) ..................................................................... 2-24
CC Toggled Mode (Tog) .................................................................. 2-31
List Operation Function (List) ................................................................. 2-37
Application Function ............................................................................. 2-44
OCP Test Function .......................................................................... 2-44
OPP Test Function .......................................................................... 2-52
Battery Test Function ..................................................................... 2-59
Advanced Function ............................................................................... 2-64
Factory Te st F unc tion ..................................................................... 2-64
CC+CV Function ............................................................................ 2-68
DL3000 User’s Guide IX
RIGOL Contents
Waveform Display Function ................................................................... 2-72
Input Control ....................................................................................... 2-76
Turn On/Off the Input .................................................................... 2-76
Von Latch Function ........................................................................ 2-76
Short-circuit Operation ................................................................... 2-77
Trigger Operation .......................................................................... 2-78
Protection Function .............................................................................. 2-80
Sense Working Mode ............................................................................ 2-82
Function of Terminals on the Rear Panel ................................................. 2-84
Store and Recall ................................................................................... 2-85
Cursor .......................................................................................... 2-86
Save ............................................................................................. 2-86
Read ............................................................................................ 2-88
Delete .......................................................................................... 2-89
Copy and Paste ............................................................................. 2-89
System Utility Function ......................................................................... 2-90
System ......................................................................................... 2-91
Communication Interface Setting .................................................... 2-95
System Info ................................................................................ 2-103
Reset.......................................................................................... 2-103
Option Configuration .................................................................... 2-108
Chapter 3 Remote Control ................................................................. 3-1
Remote Control via USB .......................................................................... 3-2
Remote Control via LAN .......................................................................... 3-5
Remote Control via GPIB ......................................................................... 3-8
Remote Control via RS232 .................................................................... 3-11
Chapter 4 Troubleshooting ................................................................ 4-1
Chapter 5 Specifications .................................................................... 5-1
Chapter 6 Appendix ........................................................................... 6-1
Appendix A: Order Information ................................................................ 6-1
Append i x B: Warranty ............................................................................. 6-4
Index ........................................................................................................ 1
X DL3000 User’s Guide
Chapter 1 Quick Start
Contents in this chapter:
General Inspection Appearance and Dime nsions Front Panel Rear Panel Turn-on Checkout Fuse Replacement User Interface To Use the Built-in Help System Parameter Setting Method
DL3000 User’s Guide 1-1
RIGOL Chapter 1 Quick Start

General Inspection

1． Inspect the packaging
If the packa gi ng has be en da m age d, do n ot dis po se t he da m age d pac ka gin g o r cushioning materials until the shipment has been che cked for completeness an d has passed both electrical and mechanical tests.
The consigner or carrier shall be liable for the damage to the instrument resulting from shipment. RIGOL would not be responsible for free maintenance/rework or replacement of the instrument.
2． Inspect the instrument
In case of any mechanical damage, missing parts, or failure in passing the electrical and mechanical tests, contact your RIGOL sales representative.
3． Check the accessories
Please check the accessories according to the packing lists. If the accessories are damaged or incomplet e , pl e a s e contact your RIGOL sales representative.
1-2 DL3000 User’s Guide

Appearance and Dimensions

Figure 1-1 Front View Unit: mm
Figure 1-2 Side View Unit: mm
DL3000 User’s Guide 1-3
RIGOL Chapter 1 Quick Start
Pressing this key can enter the constant voltage (CV) mode. You
7
1 2 3 4 5 6

Front Panel

12 11 10 9 8
Figure 1-3 Front Panel
1. LCD
4.3-inch TFT LCD, used to display the system status, input parameters, menu setting, prompt message, etc.
2. Waveform Display Key
Pressing this key can ent er the w a vef orm displa y int erface . You can obse rve t he change s of parameters from the dynamic wavefo r m.
3. Function Keys
Provide four static operating modes and three dynamic test functions. In addition, there is also a key used for list operation. (1) CC key
Pressing this key can enter the constant current (CC) mode. You can set parameters for the mode, such as current, range, slew rate, and starting voltage.
(2) CV key
can set parameters for the mode, such as voltage and range.
1-4 DL3000 User’s Guide
range.
Pressing this key can enter the continuous (Con) mode. You can
Pressing this key can enter the pulsed (Pul) mode. You can set
Pressing this key can enter the list operation interface. You can
is cycled
In remote operation mode, when you press this key, you can
(3) CR key
Pressing this key can enter the constant resistance (CR) mode. You can set parameters for the mode, such as resistance and
(4) CP key
Pressing this key can enter the constant power (CP) mode. You can set param eters for the mod e , s uch as power and upp e r limit of the voltage.
(5) Co n key
set parameters for the mode, such as range, Level A, Level B, rising slew rate, and falling slew rate.
(6) Pul key
parameters for the mode, such as range, Level A, Level B, rising slew rate, and falling slew rate.
(7) Tog key
Pressing this key can enter the toggled (Tog) mode. You can set parameters for the mode, such as range, Level A, Level B, rising slew rate, and falling slew rate.
(8) List ke y
set parameters such as mode, range, the number of times the list
, and the number of steps.
4. System Function Keys
(1) Local/remote switch key
switch to the local mode.
(2) System utility function key
System
Sets the system language, power-on value, brightness, short-circuit function, digital input/output, beeper (on/off), Sense function, log, Von Latch function, voltage monitoring output terminal, and current monitoring output terminal.
Interface
Configures para met ers f or rem ot e commu n icat io n in te rface s (GPIB/USB/RS232/LAN)
.
DL3000 User’s Guide 1-5
RIGOL Chapter 1 Quick Start
System Info hardware versions, FPGA version, boo t version, sys t e m boot
Provides advanced fun ctions. Currently, the factory test function
Saves, reads, deletes, copies, and pastes the files. The Enters the built-in help system. You can view relevant help
Displays the manufacturer, device model, software and times, calibration date, and product serial number.
Reset
Restores the instrument settings to its factory default settings, For default settings, refer to Table 2-3.
(3) Advanced function key
and CC+CV function are supported.
(4) Storing and recalling operation key
instrument provides an internal non-volatil e memo ry ("Disk C") and supports an external memory ("Disk D"). A maximum of 100 files can be stored in the instrument.
(5) Help key
information for any key or menu key on the front panel.
5. Knob
(1) Switch the parameters or parameter values. (2) Increases (rotate clockwise) or decreases (rotate counterclockwise) the
value at the cursor.
Note: Rotating the knob in different interfaces can produce different operation results. Here introduces its common usage. For other specific usages and operation methods, refer to details in relevant chapters.
6. Input Control Keys
(1) Input on/off key
Enables or disables the sink function of the load.
(2) Transient trigger key
Turns on or off the transient trigger function.
(3) Short-circuit key
Enables or disables the short circuit function of the load.
1-6 DL3000 User’s Guide
 Switch the parameter focus.
7. Control Keys
Control keys include the arrow keys, numeric keys, and confirmation key. Pressing the control keys in different interfaces can produce different operation results.
Note: Here introdu ces t heir com mon usa ge. F o r the ir other specific usages an d operation methods, refer to details in relevant chapters.
(1) Arrow keys (Up/Down/Left/Right arrow key)
M ove t h e cu rsor. Switch th e parameters or parameter values.
When setting parameters, use the Up arrow key to
increase the value at the cursor or use the Down arrow key to decrease the value at the cursor.
(2) Confirmation key
Confirms the parameter setting.
(3) Numeric k eys and backspace k ey
Backspace key
Numeric k eys
The numeric keys contain numbers (0-9) and a decimal point. You can use the numeric keys to enter a value for the parameter.
Backsp ace key
Deletes the unwanted characters or numerical values that have been entered.
8. Application Key
Enables one of the following three application functions: OCP test, OPP test, or Battery test. You can press this key to switch among the three functions.
9. Channel Terminals
Channel terminals include the channel input terminals and Sense terminals, as shown in Figure 1-4.
DL3000 User’s Guide 1-7
RIGOL Chapter 1 Quick Start
Channel Input Terminals
Sense Terminals
Shield
Figure 1-4 Channel Terminals
(1) Channel input terminal: Connects with the device under test (DUT, such as
battery and power su ppl y), w hic h is used for in putting voltage and current.
Note: Connect the positive polarity of the load to the (+) terminal of the
channel output, and the negative polarity of the load to the (-) terminal of
the channel output. (2) Sense terminal: When the DUT outputs large current, the sense terminal
can be used to accurately measure the voltage across the output terminals
of the DUT to compensate for the voltage drop on the load.
Connection methods for the input terminals (see Figure 1-5):
Outer Nut
A
a) Rotate the outer nut of the in put t erminal counte rclo ckwise to remo ve it.
b) Connect the test lead to Position A of the input terminal.
c) Fasten the outer nut of the input terminal clockwise.
d) Secure the shield to the terminal and then tighten the screw.
1-8 DL3000 User’s Guide
Figure 1-5 Connect Input Terminals
CAUTION
To avoid electric s ho c k , ensure that you have installed the shield when the DC voltage output from the DUT is equal to or greater than 70 V.
10. Menu Keys
You can press the specified menu key to execute the corresponding operation displayed at the bottom of the interface on the screen.
11. USB Host
(1) The instrument is regarded as the " master device". Y ou can use the data line
to con nect it to t he USB storage device (e.g. U-d isk) to realize external storage or recalling.
(2) Us e the USB-GPIB interface converter to extend the GPIB interface for the
load, and then use the GPIB cable to connect the load to the PC to realize remote contr ol .
12. Power Key
Turn on or off the instrument.
DL3000 User’s Guide 1-9
RIGOL Chapter 1 Quick Start
4

Rear Panel

1 2 3
11
10
Figure 1-6 Rear Panel
9
5 6
7 8
1. Air Outlet
Decrease the temperature inside the instrument to ensure its performance. When you place the instru ment on the wo rkbench or install it i nto the ra ck, kee p the air outlet from a distance of 10 cm to ensure adequate ventilation.
2. Digital I/O
A digital I/O interface, supporting trigger input and trigger output.
3. LAN Interface
LAN interface is of the Non-Auto-MDIX type. The instrument can be connecte d to the Local Area Network (LAN) via the interface, so that you can realize remote control for the instrument. The instrument is in compliance with the standards specified in LXI Device Sp ecification 2011. It can be used to set up a test syste m with other standard devices to easily realize the system integration.
4. AC Selector
Selects the voltage that matches with the actual AC input power. For details, refer to "Fuse Rating" on the rear panel or Table 1-2.
The electronic load supports two AC voltage ratings: 115 V and 230 V.
Please
select the proper voltage scale based on the AC rating in your country.
1-10 DL3000 User’s Guide
CAUTION
and ensure that no short circuit occurs to the fuse holder.
When the switch lever is located at a different position, it indicates that a different voltage rating is selected. When the switch lever is at the left, it indicates that 230 V is se lected. When the switch lev er is at t he right, it in dicates that 115 V is selected.
5. AC Power Cord Connector
AC power input interface. Plug the specified power cord available in the accessories into the AC power cord connector of the instrument, and then connect the instrument to the AC power.
Before connecting the AC power, please select the proper voltage scale by using the AC selector.
6. Fuse
When leaving the factory, the instrument has installed a fuse that conforms to the local standard. For fuse replacement, refer to "Fuse Replacement".
CAUTION
To avoid electric sho ck or fire disaster , please use th e s pecified fuse
7. Fuse Rating
The required fuse rating is related to t he actual in put voltage, please refer to the "fuse rating" on the rear panel of the load or refer to Table 1-2.
8. RS232 Interface
Serial communication interface. Use the 9-pin RS232 cable to build communication with the PC to realize remote contro l.
9. USB Device
The instrument can be regarded as the "standby device" to connect to the external USB dev ice (e.g. PC) to rea l ize remote control.
10. Voltage Monitorin g Output Terminal
The voltage monitoring output terminal outputs the signal in analog quantity. You can connect a device such as a digital oscilloscope through the terminal to display the voltage output from the output terminal, so as to monitor the changes of input voltage of the load.
11. Current Monitoring Output Terminal
The current monitoring output terminal outputs the signal in analog quantity. You can connect a device such as a digital oscilloscope through the terminal to display the current output from the output terminal, so as to monitor the changes of input current of the load.
DL3000 User’s Guide 1-11
RIGOL Chapter 1 Quick Start
AC Input Power
AC Selector
±(10% of AC input + 115 Vac), 50 Hz to 60 Hz
115
±(10% of AC input + 230 V ac) (max: 250 Vac), 50 H z to 60 H z
230
WARNING

Turn-on Checkout

To Connect to Power Supply

Two kinds of AC power inputs are supported by the DL3000 series. When it is connected to different power sources, the AC selector setting on its rear panel is different, as shown in Table 1-1.
Table 1-1 AC Input Power Specification and AC Selector Setting
Please strictly follow the steps below to connect the DL3000 electronic load to the power supply.
1． Check the input power
Ensure that the AC power to be connected to t he load conforms to the AC input power requirement specified in Table 1-1.
2． Check the AC selector
Ensure that the AC selector setting (115 V or 230 V) on the rear panel of the load matches the actual AC input power (For the match relationship, refer to Table 1-1).
3． Check the fuse
When leaving the factory, the load has installed a fuse that conforms to the destination country standard. Please ref er to the "fuse rating" on the rear panel of the load or refer to Table 1-2 to ensure that the fuse matches the actual AC input power.
4． Connect the AC power
Plug the specified power cord available in the accessories into the AC power supply connector of the instrument, and then connect the instrument to the properly grounded AC power.
To avoid electric shock, ensure that the instrument is correctly grounded.
1-12 DL3000 User’s Guide
CAUTION
Tip
After powerin g off t he elect ronic l oad, plea se wai t for at leas t 1 s bef ore you power

To Power On the Instrument

After the instrument is con nected t o the power sour ce, press the Power key the left bottom of the front panel to power on the instrument. When the instrument is turned on, it will undergo a self-test. If the instrument passes the self-test, the welcome interface is displayed; otherwise, self-test failure informat ion will be displayed. At this time, please contact RIGOL distributors.
Ensure that the AC selecto r setting on the rear panel of the instrument matches the actual AC input voltage , otherwise, the electronic load will be burned out.
CAUTION
Please pay attention to the positive and negative polarities of the electronic load to avoid wrong connection. Otherwise, the load will be burned out.
at
it on again.
DL3000 User’s Guide 1-13
RIGOL Chapter 1 Quick Start
Input Voltage
Fuse Rating
115 Vac
T0.315 A/250 V
230 Vac
T0.20 A/250 V
WARNING
To avoid personal injuries, turn off the instrument and cut off t he power supply before replacing the fuse; to avoid electric shock or fire disaster,

Fuse Replacement

The fuse specification is related to the actual input voltage, as shown in Table 1-2. Table 1-2 Fuse Rating
When leaving the factory, the instrument has installed a fuse that conforms to the local standard. If the fuse is required to be replaced, select a fuse that matches the actual input voltage and perform the following steps.
1. Turn off the instrument, and then disconnect the instrument from the power source. Re move the power cord.
2. Insert a slotted screwdriver into the slot of the fuse holder to pry it out, as shown in Figure 1-7.
Fuse Holder
Fuse
Figure 1-7 Fuse Replacement
3. Take out the fuse and replace it according to the fuse rating (refer to the "Fuse Rating" on the rear panel of the instrument or Table 1-2).
4. Mount the fuse holder (pay attention to its direction when mounting it).
before connecting to the AC power, select the voltage specification that matches the actual input voltage and replace a proper fuse that conforms to the voltage specif ication.
1-14 DL3000 User’s Guide
No.
Name
Description
RIGOL
to select the specified menu item.
5

User Interface

The user interface of the DL3000 series consists of main interface, guide interface, and function interface. In the main interface, you can set and view the information about the channel input; in the guide interface , you can directly set the parameters according to the guide diagram and view the parameter information; in the function interface (including the waveform interface), you can set and view the information about the functions. When the instru ment powers on , it e nters t he main interf ace by default. This section mainly introduces the main interface of the electronic load. The guide interface and function interface will be introduced in "Front Panel Operations".
The main interface is sh own in Figure 1-8. For the des criptions of the main inte rface, refer to Table 1-3.
1
2
3
Table 1-3 Main Interface Description
Figure 1-8 Main Interface
1
Company Logo
: indicates that the overtemperature protection occurs.
: indicates that the USB device is recognized. : indicates that the network is connected. : indicates that GPIB is connected.
2
System Status Icon
: indicates that the beeper is off. : indicates that the beeper is on.
: indicates that the instrument is remotely controlled.
3 Function State 4
Actual Input Value
5 Menu Item
Displays the function state of the load in a real-time manner.
Displays the actual input voltage, sink current, etc. Displays the function menu. Press the specified key below
4
DL3000 User’s Guide 1-15
RIGOL Chapter 1 Quick Start

To Use the Built-in Help System

The built-in help system provides help information for any key on the front panel (except parameter input ar ea) and menu keys, which are convenient for you to get the descriptions of the function keys or menus, as shown in Figure 1-9.
Figure 1-9 Help Information Interf ace
1. Get the built-in help information Press Help, and then "Help" will be displayed at the top of the interface, being highlighted. At this time, press the corresponding function key or menu key to enter the corresponding help information interface.
2. Page up/down opera tion If the help info rmation is displa yed in seve ral pa ges, press Previous to go to the previous page or press Next to go to the next page. You can also use the a rrow keys or the knob to page up/down the help information.
3. Exit the current help information interface When the help information is displayed, press OK to exit the current help information interface and return to the previous interface.
1-16 DL3000 User’s Guide

Parameter Setting Method

Most parameters can be set by operating the keys on the front panel. The common setting methods are listed below. The setting method for certain parameters is different from the methods below, refer to the relevant chapters of this manual for the further explanation.
Method 1: Use the numeric keys
1. In the main interface, press the specified menu key to switch the parameter focus; in the guide int erf ace, use the arrow ke ys t o switch the parameter f ocus.
2. Enter a value by using the numeric key. While entering a name, press delete the unwanted character if necessary.
3. When setting resistance, press the specified menu key and select "Ω" or "kΩ" to be the unit. When setting period/width, press the specified menu key and select "ms" or "s" to be the unit. When setting frequency, press the specified menu key and select "Hz" or "kHz" to be the unit. When setting other parameters, press OK to confirm the input.
Method 2: Use the knob or the arrow keys
1. In the main interface, press the specified menu key to switch the parameter focus.
2. Press the Left/Right arrow key to move the cursor to a desired position.
3. Press the Up/D ow n arrow key or rot ate the knob to modify the value.
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