THOMSON DFT-6300 User manual

DFT-6300 Battery Load Bank
Users Manual
THOMSONTECHCOLTD
www.thomsontesting.com

DFT-6300 Battery Load Bank Instruction Manual
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Table of Contents
Preface.............................................................................2
Use notice & Reading tips ...........................................................4
Chapter 1 Overview ..................................................................6
1.1 Overview ..............................................................................................................................................................6
1.2 Features.................................................................................................................................................................6
1.3 Working schematic diagram..................................................................................................................................8
1.4 DFT-6300 Tester series Technical indicator..........................................................................................................9
Chapter 2 Shape and structure ......................................................10
2.1 Host shape diagram:.........................................................................................................................................10
2.2 Package List........................................................................................................................................................11
2.3. Main Parts Picture..............................................................................................................................................12
Chapter 3 Connection ...............................................................13
3.1.Preparations ........................................................................................................................................................13
3.2 Host connection ..................................................................................................................................................13
3.2.1 Discharge cable connection......................................................................................................................13
3.2.2 Voltage test line connection .....................................................................................................................14
3.2.3 Others.......................................................................................................................................................14
3.3 Cell-Data-Case connection .................................................................................................................................15
3.4 PC connection.....................................................................................................................................................18
3.5 Running ..............................................................................................................................................................18
Chapter 4 Functions and operating procedures........................................19
4.1. Starting Boot......................................................................................................................................................19
4.2 Discharge test......................................................................................................................................................19
4.2.1 Checked capacity discharge.....................................................................................................................19
4.2.2 Battery discharge process.........................................................................................................................20
4.3 Data management ...............................................................................................................................................21
4.3.1 Data Query...............................................................................................................................................21
4.3.2 Save to the U-disk....................................................................................................................................22
4.3.3 Delete Data ..............................................................................................................................................22
4.4. System settings ..................................................................................................................................................22
4.4.1 Time settings............................................................................................................................................22
4.4.2 Version Information & System Upgrade..................................................................................................23
4.5 System Calibration (Authorization)....................................................................................................................23
Chapter 5 Routine maintenance ......................................................25
5.1. Cleaning maintenance........................................................................................................................................25
5.2. Storage...............................................................................................................................................................25
Chapter 6 Frequently asked Questions and tips.......................................26

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Preface
The DFT-6300 Tester is specially designed for verification discharge testing of battery string, capacity testing ,
daily battery string maintenance, engineering acceptance and other DC power supply load capacity testing .
Using the latest Wi-fi communication technology, the battery discharge process can be monitored in real time
through the PC monitoring software, and the discharge process of each battery can be monitored.
The power consumption part adopts the new PTC ceramic resistor as the discharge load, which completely avoids
the phenomenon of red heat, and is safe and reliable without pollution.
The whole Tester is controlled by a microprocessor with LCD touch-screen display & English menu, which is
novel design of small size, light weight and portable.
After the various discharge parameters are set, the entire constant current discharge process is automatically
completed., and make the entire discharge process safer.
The DFT-6300 Tester is easy to carry, smart professional design to make the discharge test work simple and easy,
greatly reducing the labor intensity of professional maintenance personnel, but also improve the scientific and
smart discharge testing.
On the basis of the original products, the DFT-6300 Tester combines battery testing technology, Wi-fi
communication technology, computer information processing and other technologies to launch a new generation
of single-cell testing & String discharge tester with Wi-fi single-cell testing functions. The use of Wi-fi
transmission cell voltage acquisition system, can be short distance Wi-fi communication transmission data, data
acquisition speed, high precision, strong anti-interference ability, easy to operate, can record the battery discharge
process of each time period of voltage changes, effectively avoid the error caused by the connection and
connection cable damage and other safety hazards, Wi-fi collection of cell voltage between the battery connection
wire generated by the "bridge voltage", to ensure that there may be individual connectors in the discharge process
loose, etc. and there is a large connection resistance, so as to monitor individual voltage abnormalities, Eliminate
hidden dangers in time, prevent major accidents such as fire caused by overheating at the joint, enhance the
stability and reliability of the system, and expand the scope of use of the product.
There are two main ways to monitor the voltage of a traditional single-cell cell: manual measurement and wired
automatic measurement. Due to the inability to achieve continuous and synchronous manual measurement in time,
more human error and low precision, it is impossible to make a more accurate and objective judgment on the
performance of the battery, and the workload is large. Although the wired automatic measurement improves the
speed and accuracy of data acquisition and reduces the workload relative to manual measurement, but there are
more connections and complex operations, taking the testing of a string of 24 single-cell cells as an example, it is
necessary to lead 25 single-cell test cables from the host to connect to the battery string , and its length is less than
1M, more than 10M, which not only increases the purchase cost of the enterprise, but also because the connection

DFT-6300 Battery Load Bank Instruction Manual
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cable is more and longer, it is easy to cause connection errors, and it is impossible to avoid the safety hazards
such as connection cable damage.
The discharge tester used the Wi-fi transmission cell voltage acquisition system which effectively overcomes the
shortcomings of the traditional cell battery voltage monitoring method. Wi-fi transmission cell voltage acquisition
system, each Wi-fi transmission cell voltage acquisition system can simultaneously collect multiple sections of
cell voltage, and Wi-fi send the testing results to the main device, convenient for the construction of the test
environment and measurement control and data distribution.
The discharge tester can monitor the single-cell battery, without the need to connect the single-cell battery and the
host, you can directly detect, easy to use, reduce the purchase cost of users.

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Use notice & Reading tips
Use notice
This manual is intended to guide the user in operating the DFT-6300 Tester.
The operator must have the qualification of electrician or above.
The operator should pay special attention to the safety of personnel and equipment during use.
The DFT-6300 Tester belongs to the precision test equipment, in the process of use should be lightly handled,
do not throw and throw, the result of the light will lead to the deformation of the shell, the heavy will lead to
the failure of internal components, affecting normal use.
Avoid splashing liquids onto the surface of the smart control discharge monitoring DFT-6300 Tester to avoid
permanent damage caused by entering the system, and flammable gases may cause explosions.
For your safety, please read the entire contents of this manual before operating the DFT-6300 Tester. The
surveyor should be familiar with the characteristics of the system under test. It is important to take the correct
testing steps to avoid injury to yourself and others in the work area and to detect damage to your equipment.
Ensure that the operator has a comprehensive understanding of the battery, charging system and relative device
starting before using this tester. Before using this tester, be sure to refer to and follow the relevant safety
precautions and test procedures provided by the THOMSON of the equipment under test.
Safety Information: Security information is used to avoid casualties and damage to equipment.
Reading & understanding and comply with the safety information and instructions in this instruction manual,
including follows:
Dangerous! Indicates a very urgent and dangerous situation that could result in serious casualties if not avoided.
Warning! Indicates a potentially dangerous situation that could result in serious casualties if not avoided.
Note! Indicates a potentially dangerous situation that may result in general personal injury if not avoided.
Significant! Indicates a potentially hazardous situation that could result in damage to the test equipment if not
avoided.
Important safety guidelines
Warning
Explosion hazard! The gas produced by the battery is extremely explosive.
Reading & understanding and follow all guidelines with the tester, battery, and any other equipment near the
battery.
No Smoking & No lighting matches, and placing metal tools near or creating sparks near the battery are
prohibited.
The terminals should be cleaned before using the tester. Take care to protect your eyes, nose and mouth when
cleaning. Soda and water can be used to neutralize acidity to reduce the corrosiveness of the air.
Do not place the tester in rain or snow or in a humid environment.
Do not allow battery gas or sulfuric acid to touch the tester's housing.
Never charging, testing, or loading to a frozen battery. The battery should be thawed and warmed to room
temperature before performing the above operations. Charging or testing a frozen battery can cause the

DFT-6300 Battery Load Bank Instruction Manual
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battery to explode and injure people.
Before performing the test, confirm that all test connectors are connected according to the guidelines.
Make sure that the two battery clips are securely connected to the battery.
Battery explosions can cause casualties.
Warning!
Prevent burns
The current generated by the battery short circuit is enough to melt down various ornaments and make them weld
to metal. So please remove various ornaments while working near the battery.
Any short circuit will result in injuries!!!

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Chapter 1 Overview
1.1 Overview
The DFT-6300 Tester is specially designed for battery string for verification discharge experiments, capacity
testing, daily battery string maintenance, engineering acceptance and other DC power supply load capacity
testing . Using the latest Wi-Fi communication technology, the battery discharge process can be monitored in real
time through the PC monitoring software, and the discharge process of each battery can be monitored.
The power consumption part of the DFT-6300 Tester adopts the new PTC ceramic resistor as the discharge load,
which completely avoids the red hot phenomenon, and is safe and reliable without pollution. The whole Tester is
controlled by a microprocessor, led display, English menu. The design is novel, small in size, light in weight and
easy to move. After the various discharge parameters are set, the entire constant current discharge process is
automatically completed, which make the entire discharge process safer on fully smart.
The portable and smart professional design of the DFT-6300 Tester series makes the discharge test work simple
and easy, greatly reduces the labor intensity of professional maintenance personnel, and also improves the
scientific and smart discharge test.
1.2 Features
The use of PTC ceramic resistors avoids the phenomenon of red heat and makes the whole discharge
process safer.
With Wi-fi communication function: 3-device of Cell-Data-Case and Discharge host and monitoring PC
three through Wi-fi communication for Simplified wiring and flexible convenient.
The Wi-fi Cell-Data-Case can monitor each battery to achieve complete monitoring of the discharge process
of the battery string .
The equipment is easy to install, debug and maintain, and the isolation technology is adopted before and
after each acquisition module, which has a high degree of safety and reliability
Equipped with a PC monitoring system, the entire discharge process can be monitored in real time, and the
total voltage, discharge current and battery voltage of each individual can be analyzed and the corresponding
data report can be generated. Intuitively reflect the curves, graphs, reports, etc. of the battery string
performance, and can be printed and queried.
There is a USB interface, which can store the data of the discharge process into a U-disk and import it into
the PC. PC data management software analyzes the process of battery discharge and generates
corresponding data reports. Make it easier to dump data.
Adopt smart microcontroller ARM control, LCD display in Chinese and English. The menu operation is

DFT-6300 Battery Load Bank Instruction Manual
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simple and straightforward.
Automatic protection function, set the discharge time to, discharge capacity to; The battery string voltage
is lower than the set minimum protection voltage; If there is an abnormality in the load connection, etc., the
discharge is automatically stopped and alarmed, and the shutdown mode is automatically recorded.
Test/discharge termination conditions can be set, including cell battery voltage, battery string termination
voltage, discharge current, and discharge time.
Tester can record the discharge of each battery during the test/discharge process, mainly the total capacity of
the battery string , the total voltage, the total current and the voltage change of the single-cell battery with
the lowest voltage.

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1.3 Working schematic diagram

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1.4 DFT-6300 Tester series Technical indicator
(Please find the corresponding parameters according to the actual device label, this table is a collection of
conventional generic models, please check the label on the device for special customized parameters)
Model
Discharge current
Battery String voltage
Discharge end voltage
Power supply
24V50A
0~50A
DC24V
10~30V adjustable
AC220±15%
48V150A
0~150A
DC48V
10~60V
adjustable
AC220±15%
DC48V
48V200A
0~200A
48V300A
0~300A
110V20A
0~20A
DC110V
98~121V
adjustable
AC220±15%
DC110V
110V60A
0~60A
110V100A
0~100A
220V30A
0~30A
DC220V
176~275V
adjustable
AC220±15%
DC220V
220V50A
0~50A
220V100A
0~100A
220V160A
0~160A
380V20A
0~20A
DC380V
304~456V
adjustable
AC220±15%
DC380V
380V50A
0~50A
380V100A
0~100A
80V~482V20A
0~20A
DC80V~482V
80~482V
adjustable
AC220±15%
DC80~482V
80V~482V50A
0~50A
80V~482V100A
0~100A
Measurement accuracy
Voltage:0.5% Current:1%
Cell-Data-Case operating voltage
10~90VDC
Cell-Data-Case measurement range
0~15VDC
Communication interface
Data storage: USB parallel communication WI-FI
Sampling interval
5s~1min
Heat dissipation method
Forced air cooling
Working environment
Temperature 0℃~50℃ & Humidity 5%~90%
Screen size
TFT-5’ color LCD

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Chapter 2 Shape and structure
2.1 Host shape diagram:
Figure 2-1Host outline drawing (image only for reference)

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2.2 Package List
Item
Parts Name
Quantity
Remark
1
Host
1
2
Discharge cable (1-Red + 1-Black)
2
3
String Voltage line
1
Optional
4
Power Lead
1
AC220V
5
U-disk
1
6
Antenna
1
7
Package Box
1
8
Instruction manual
1
9
Cell-Data-Case
2set
Each case match to Max 12 Cells
10
Cell-Data-Case voltage line
2kit
Each case match to Max 12 Cells
11
Cell-Data-Case ramp (Red)
2 X 12+2
Max 12 Cells P+ + Power
12
Cell-Data-Case ramp (Black)
2 X1+2
Cells P- +Power

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2.3. Main Parts Picture
Box
String Voltage line
discharge cable
Cell-Data-Case voltage line
(12-Red Cell +1-Black Ground)
Cell-Data-Case(2V,6V,12V)
Antenna
Cell-Data-Case ramp (12-Red +1 Black)
Power Lead 220V

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Chapter 3 Connection
3.1.Preparations
Confirm that the voltage level of discharged battery string is consistent with the discharge tester!
Before connecting to the DFT-6300 Tester, first confirm that the discharged battery string has exited the operating
state and has been disconnected from the charging power and load.Avoid accidents during discharge.
There is enough space around the battery string and the DFT-6300 Tester,
There are No flammable and explosive materials around the site
There are No flammable and explosive gases in the air.
Check that the DFT-6300 Tester is in good condition and that the power switch is in an open state.
There must be no inflammable and explosive materials around the work.
The air must not contain flammable and explosive gases to prevent the occurrence of explosions!
3.2 Host connection
3.2.1 Discharge cable connection
First connect the battery string discharge cable: The large black discharge cable clip is connected to the negative
pole of the battery string at one end and the quick plug at the other end to connect the black quick connect
socket of the DFT-6300 Tester. The large test clip of the red discharge cable is connected to the positive pole of
the battery string at one end and the quick plug at the other end is connected to the red quick connect socket of
the DFT-6300 Tester. Pay attention to the reliable connection and do not loosen. After the coupling connector is
connected to the quick connector socket, it needs to be rotated clockwise to prevent it from falling off! Rotate
counterclockwise when the discharge ends when removed.

DFT-6300 Battery Load Bank Instruction Manual
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When connecting the discharge cable and the voltage test cable, pay attention to safety and prevent electric
shock and short circuit!
3.2.2 Voltage test line connection
Due to the large discharge current, in order to accurately measure the voltage of the battery string , a voltage test
line is provided. One end of the voltage test line is connected to the voltage test socket of the DFT-6300 Tester,
the other end of the red test clip is connected to the positive pole of the battery string , and the black test clip is
connected to the negative pole of the battery string . Be careful not to reverse!
3.2.3 Others
Connect the host antenna reliably to the antenna socket of the host of the DFT-6300 Tester.
Optional remarks:
The host power supply is normal AC22V; if DC 200V host power supply from Battery string or AC110V host
power supply is required, it is necessary to order customized before.
If a parallel Tester or peripheral discharge testing function is available, a current sensor (optional) is required.

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3.3 Cell-Data-Case connection
12V Cell-Data-Case wiring mode (with independent power cable) as follows:
The power cord connection method of each case: the power supply negative (P-) is connected to the same position
as the Case line 0. The power supply is positive (P+) in the same position as the Case line 2 or 3. It is
recommended to connect the power cable first and then the voltage monitoring cable.
The first Case: Line 0 is connected to the 1st battery negative (total negative), Line 1 is connected to the 1st
battery positive, and Line 2 is connected to the 2nd battery positive... Line 12 section 12 battery cathode;
The second case: Line 0 is connected to the 13th battery negative (total negative), Line 1 is connected to the 13th
battery positive, and Line 2 is connected to the 14th battery positive... Line 12 section 24 battery positive pole;
The wiring harness of the 2V Cell-Data-Case does not have a separate power cord. The wiring is as follows:
The first Case: Line 0 is connected to the 1st battery negative (total negative), Line 1 is connected to the 1st
battery positive, and Line 2 is connected to the 2nd battery positive... Line 12 section 12 battery cathode;

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The second Case: Line 0 is connected to the 13th battery negative (total negative), Line 1 is connected to the 13th
battery positive, and Line 2 is connected to the 14th battery positive... Line 12 section 24 battery positive pole;
Each Cell-Data-Case can monitor up to 12 batteries, if the number of batteries is less than the number of
Cell-Data-Case, the remaining voltage clamp can be clipped together at the positive pole of the last battery.

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3.4 PC connection
If real-time monitoring via a PC is required, Wi-fi of Tester and PC needs to be connected.
3.5 Running
After checking that all wiring are correct, turn on the power switch, and after the LCD screen should be displayed
normally, you can complete the setting of various test/discharge parameters according to the operating
instructions.

DFT-6300 Battery Load Bank Instruction Manual
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Chapter 4 Functions and operating procedures
4.1. Starting Boot
Press the power switch on the back of the tester to activate the tester and enter the main menu of the DFT-6300
Tester. The main menu is as follows:
4.2 Discharge test
4.2.1 Checked capacity discharge
In the main menu, click "Discharge" to enter the local discharge function selection interface, the interface is as
follows: Press the [Test Type] button, you can see the discharge type menu
In this menu, click on " Discharge". Click the "Confirm" button,
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