STB63 Digital

Control Board - LCD Display

Three Phase Charge & Discharge Regulator Manual
Battery Charge & Discharge Control

Shenzhen SinePower Tech. Co. Ltd. All rights reserved

Mob：18926078358 Technical support QQ：719659769

Version：V2.0（2018）

Content in this user manual is just for your reference, we will update the user experiences, like to modify the
parameters for better functions. Pls follow our updates on our website, and download the electronic edition freely.
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 Content

 The components of our products:

 * The power transformer adopts industrial grade transformer, epoxy resin potting, high quality
products tempered by high temperature aging;
 * The main control chip adopts NXP 32-bit LPC17 series industrial-grade high-performance processor,
which has superior computing processing capability and reliable anti-interference ability;
 * Passive components are basically our national giant brand Yageo, high temperature resistance, low
drift, device working life can achieve more than 10 years;
 * The key passive components adopt Murata and Infineon brand to ensure that the key parts of the
control panel cannot be easily damaged;
 * Control relay is Omron brand, the number of actions is more than 10 times that of domestic brands;
 * The terminal block is made of Machiya's DINKLE brand and made of internal copper alloy. Unlike
most of the control panel on the market which usually uses iron terminals.
 * Control board with intrinsically safe design, uses self-recovery fuse at the power supply to limit
current output, and to prevent accidental short circuit of external terminal block and damage control
board;
 * Associate with our core control algorithms and SMD placement technology, we assure you with
reliable and stable control panels.
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 Safety regulations and notes before operation:

>> Safety regulations:

 The wrong use may cause permanent damage to the product or serious personal accidents. Therefore, the
operating procedures on must be strictly follow the user manual, National and industry standards and safety
regulations.
 The installation, maintenance or guidance installation, maintenance control devices should be charged by
professional and technical person with relevant experience.
 Under no circumstances can you plug out the wiring or try to touch the contacts in the socket while it is still on
power to prevent electric shock and accidents.
 This machine is designed to be used in a cool and dry environment. It needs to maintain a good ventilation and
heat dissipation environment. Please do not soaking in water or exposing under the sun.
 To work outside the temperature range required by electrical characteristics, clean the control panel regularly.
 Under no circumstances should the control panel be operated beyond the design limit.
 Please strictly follow the instructions for use. For any equipment or personal injury caused by failure to follow
these operating instructions, we do not does not assume any civil and criminal responsibility.
 Trying to repair the damaged control board (regulator) may cause permanent damage to the equipment. If the
unit malfunctions, please contact us, we will provide technical support as soon as possible. Please do not attempt
to repair the unit all by yourselves.
 This manual can only be applied to its supporting equipment. We will be continuously upgrade and improve our
products and to modify the versions of user manual as well. Pls follow our latest updates on website, we won’t
contact your directly for the latest technical data.

>> Note:
1. When ordering, pls indicate the exact model and requirement of your required product in PO. Or we may supply
with default parameters, namely: voltage level at AC380V, rated frequency at 50Hz, current and voltage feedback
signal at DC0-5V and given signal at DC0-5V and potentiometer, non-special design type; Regular products are
available in stock, for special design product, pls contact us to determine the specific delivery period when ordering.
2. At the thyristor trigger interface, please note that K1-K6 and G1-G6 are three-phase full-control trigger control
ports. If there is a wrong connection, the risk of damage to the device will occur; the thyristor on the main circuit
should be settled with proper capacitance absorption and VDR to protect the circuit. RC resistance-capacitance
absorption protection device in wiring diagram is convenient for users. We have related RC absorption board STP10
and STP11. Please contact us if you need to order.
3. Before power-on, pls check if the control board is connected according to its actual requirements, then disconnect
the control line of the thyristor trigger terminal first, do not connect to the load, power-on after correct operation. And
then enter the menu to set and modify the relevant parameters of the control panel according to your own needs.
Connect the thyristor trigger regulator to the load after finishing the parameter settings, and the actual operation can
be performed.
4. Refer to the wiring diagram of the user manual of this control board for proper wiring. To prevent interference,
given the control line and the thyristor trigger line, the main circuit power line is better wired separately. If the wires
are not separated, use a twisted shielded wire for the given control line; strictly follow the corresponding relationship
between the control board and the thyristor connection at the same time.
5. Before powering on, please check the wiring carefully, disconnect the load, and connect to a small power resistive
dummy load test. It is recommended to connect the 1KW bulb for the experimental load. When using the
incandescent lamp as the load for debugging, please press the start button to observe the brightness changes of the
incandescent lamp. If the incandescent lamp can continuously and smoothly change according to different set values,
the control panel wiring is normal; if it is out of control, then is abnormal, please turn off the power and check if there
is a wiring errors to avoid burning the device. After the control board is debugged normally, you can access the real

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load for running.
6. The external control terminal has a corresponding power supply configuration. Do not send active signals to the
port. Otherwise, the product may be irreparable.
7. If the thyristor device needs to be tested for insulation, please remove the control board from the device, otherwise
the control board may be permanently damaged.
8. We do not responsible for the damages of other components outside the thyristor regulator board.
9. Our Service Commitment: Provide one-year free warranty service and lifetime maintenance within the normal
operation of the users. After the expiration of the warranty period, we can continue to provide technical support and
assistance, and during this time, the replacement parts are available at our lowest cost price.

>> Circuit wiring control:

If the electromagnetic interference of the control panel is serious, pls follow the measures as below while controlling
the circuit wiring in order to prevent the equipment from working abnormally due to electromagnetic interference.
1. When the control cable is long, it is recommended to use a shielded cable. The shield of the cable should be
grounded at one end.
2. The analog and digital signal cables should be routed separately;
3. All signal cables should be placed in the steel pipe or cable trough when necessary;
4. The signal cable and the strong electrical equipment should have as much isolation distance as possible;
5. Provide a separate grounding loop for the system;
6. All shielding layers are grounded at the transmitter port;
7. Do not connect wires of different metals to each other;
8. Minimize or eliminate intermediate terminals or connection points;
9. The pipe and cable trough should be grounded reliably and ensure continuous grounding over the entire length.

Before operating this control panel, please read the user manual carefully to avoid incorrect operation
and accidents!
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I. Introduction
STB63 battery charge and discharge control trigger board adopts 32-bit industrial grade high-performance
microprocessor, highly digital military quality design, supports network remote control and on-site control mode. The
fuzzy-PID parameter is open-ended, fault alarm and parameters are displayed on the LCD screen or touch screen
menu Chinese, parameters are automatically saved after setting. With constant voltage and constant current
regulation, the charging operation parameters are set by the LCD screen. The charging phase can be set up in four
stages, each stage are set independently: charging current, charging voltage, current limit, charging time and jump
voltage, support one-stage discharge parameter setting, users can set the charging parameters of pre-charging, fast
charging, slow charging or floating charging according to the current battery charging curve freely. The operation is
reliable, technology is advance, functions are complete, performance is stable, debugging is convenient and easy to
maintain.
This trigger board adopts industrial-grade high-performance microprocessor, which continues to lead the innovation
of core control algorithms and software technology in the industry. The structure of the control software package and
the processing speed of the single-chip microcomputer ensures all the adjustment of the control loops to be finished
during transform (conversion) time of the six thyristor bridges in the main circuit, so that the voltage and current loop
sampling time can be less than 3.33mS (50HZ power supply) or 2.77mS (60HZ power supply) for superior
performance.

This three-phase digital rectification thyristor trigger board has good reliability, strong anti-interference ability,
unique anti-interference measures, and can working normally even in harsh interference environment. The control
board has self-diagnosis and load operation protection functions, with power failure protection ， over pressure
protection, overload protection and phase failure protection, etc. Therefore, regardless of the external or internal
interferences and fault signals, the performance of the control board is safer and more reliable due to the
above-mentioned protection functions. The output is completely isolated which made it has a wide application range.
It has complete fault detection, alarm indication and protection function, all parameters are digital, no temperature
drift changes, which improves the adjustment accuracy and power utilization efficiency.

II. Technical specifications

1. Working power: 380Vac ±15% 50/60HZ
2. The main circuit working voltage: 50 ~ 380Vac ± 15% 50 / 60HZ
3. Voltage adjustment range: 1 ~ 300V
4. Current adjustment range: 1 ~ 300A
5. Phase shift range: 0 ~ 178 °
Adjust the output resolution: 1 / 4000
Stability accuracy: better than ± 1%
6. Trigger current: ≥ 750mA trigger capacity: ≤ 1000A one-way thyristor
7. PID dynamic response time: ≤ 50mS overshoot: ≤ 10%
8. Input signal: DC0-5V, DC0-10V, 0-10mA, 4-20mA, 10K potentiometer adjustment
9. Three-phase trigger imbalance: ≤ 0.3 °
10. Applicable load: battery charge and discharge control
11. Alarm relay contact capacity: 250Vac/10A
12. Dielectric strength: 3500 VRMS
13. Working environment conditions:
Ambient temperature: -20°C~ 60°C
Relative humidity: ≤ 90% RH (no frost)
Indoor installation: no flammable, no explosive, no corrosive gas, no conductive dust, vibration less than 0.5G
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Altitude should be under 3000m, otherwise need to reduce the capacity level.2.14.
Dimensions: 240 * 160 * 50mm
Dimension between install holes: 225 * 145mm
15. Weight: 1KG
16. The product meets the standard:
IEC 60947-4-2: Low-voltage switchgear and controlgear. Part 4-2: Contactors and motor-starters. AC semiconductor
motor controllers and starters.
GB14048.6-1998: Low-voltage switchgear and controlgear Part 4-2: Contactors and motor starters AC
semiconductor motor controllers and starters.
GB3797-89: Electronic Control Equipment Part II - Electronic Control Equipment with Electronic Devices.
IEC61000-4: Electromagnetic compatibility, test and measurement technology.
IEC65: Safety of household and similar general purpose electronic and related equipment powered by grid power.

III. Features
1. Using 32-bit industrial-grade high-speed microprocessor, LCD display or touch screen Chinese menu operation,
fully automatic SMD process manufacturing, stable and reliable performance;
2. With rectification or inverter function, can achieve automatic constant current, constant voltage charge and
discharge function, professionally used in high power battery charging and discharging occasions;
3. The control board can achieve automatic conversion of equalization and floating charge, and the current and
voltage can be adjusted as wish;
4. Complete fault detection and alarm function, real-time detection of load status, load current, control signal,
feedback signal loss and other parameters;
5. Intelligent PID control scheme, parameter openness, can be flexibly set to any physical quantity, adapt to different
nature loads, with good dynamic characteristics;
6. Overload protection: After starting, it will judge whether it is overload. When it continuously overload the settled
the protection time, it stops running and the alarm relay outputs;
7. Soft start: At startup, the output voltage will gradually increase from zero to 100% to eliminate the impact on the
grid and itself during load operation. The soft start time parameter can be set;
8. Soft shutdown: When stopping, the output voltage will gradually decrease from 100% to zero to eliminate the
impact on the grid and itself when the load stops. The soft shutdown time parameter can be set;
9. It has the function of automatic identification phase sequence, no phase sequence requirement for the power
supply of the control board, no debugging, convenient wiring;
10. Current loop (voltage loop) feedback input signal supports various analog input signals such as transformer, Hall
current (voltage) sensor, 0-75mV shunt, 0-5V, and etc.
11. It can be remote controlled by PLC or other equipment, with MODBUS field bus communication function and
RS485 full isolation control (optional);
12. It also has a running time query function to record the running time and the accumulated running time;
13. Adopting intrinsically safe design, the control board has protection design of preventing the thyristor trigger
interface from burnout, and it supports input and output multi-function expansion board;
14. The thyristor drive interface has double-row LED light indication, the green light indicates whether the trigger
board is faulty, and the red light indicates whether the external control line is correct, so that the error position can
be quickly checked.
15. All output ports and digital input ports adopt electrical isolation design, which has better electromagnetic
anti-interference protection effect.

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IV. LED control panel operation instructions

8 9 10 11

LCD 7

SET 1 2 3

ESC 4 ON 5 OFF 6

① SET Setting button, used as parameter confirm button under the setting mode

② ▲ To increase the parameter value when modify.

③ ▼ To decrease the parameter value when modify.

④ ESC Return button

⑤ ON The start button on the panel

⑥ OFF The stop button on the panel

⑦ LCD screen To display the load mode and parameters.

When it lights, means the control board is in constant voltage adjustment mode;

⑧ A Mode indicator (Green) When both A & B are not in lit, then the control board is in open loop voltage

adjustment mode.

⑨ B Mode Indicator (Green) When it lights, means the control board is in constant current adjustment mode.

⑩ C Mode indicator (Red) Running indicator

⑪ D Mode indicator (Red) Alarm indicator

V. Control board terminal definition

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1, 2, 3: Working power input terminal of the control board. Pin 1 with 3 for 380V AC power supply, Pin 2 with 3 for
220V AC power supply, only one of the power supply voltage can be connected, it is recommended to use 380V AC
power supply.
4、5： Connection terminal CT1 of the current transformer is corresponding to U phase current display, with
overcurrent protection and phase failure protection identification function at the same time. Leave it if don’t need to
use.
6、7： Connection terminal CT2 of the current transformer is corresponding to V phase current display, with
overcurrent protection and phase failure protection identification function at the same time. Leave it if don’t need to
use.
8、9： Connection terminal CT3 of the current transformer is corresponding to W phase current display, with
overcurrent protection and open-phase protection identification function at the same time. Leave it if don’t need to
use.
10、11： Signal terminal of constant current feedback input, factory default is DC0-5V, GND (-), IF (+), if you need
other signals, please express in advance.
12、13： Signal terminal of constant voltage feedback input, factory default is DC0-5V, GND (-), VF (+), if you need
other signals, please express in advance.
14、15、16： When used for battery charge, they are not useful, function reserved.
17、18、19： Common COM, start and stop control terminal. When the startup mode is “self-locking”, short circuit 17
and 18 to start working. And when it is disconnected, the operation stops, and the start-stop button on the handheld
device is invalid. When the startup mode is "jog", the connection of 17 and 18 is to start working, and the connection
of 17 and 19 is to stop, and the start/stop button on the hand-held device is valid.
20： LCD display interface, i.e. the handheld device (optional, no a standard equipment of the control board, need to
purchase additionally).
21、22、23： RS485 communication connection interface (optional, no a standard equipment of the control board, need
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to purchase additionally)
24： The input terminal of charge and discharge running switch, the other terminal corresponds to the pin 17 (COM),
disconnect is charge mode, short circuit 17 and 24, is discharge mode.
25： The reset button terminal, the other terminal corresponds to the COM connection of pin 17. When in the fault
condition, short circuit 17 and 25 to reset the system.
26： The thyristor overheat input terminal, and the other terminal corresponds to the 17-pin COM connection. It
adopts the normal open temperature control switch and automatically stops when overheat.
27、28、29： Running relay output, 27 is normal open terminal, 28 is common terminal, and 29 is normal close
terminal.
30、31、32： Fault relay output, 30 is normal open terminal, 31 is common terminal, and 32 is normal close terminal.
33、34、35： Charge & discharge output control, the relay won’t act when in charge mode, and act in discharge mode
36、37、38、39：W-phase thyristor control trigger interface.
40、41、42、43：V-phase thyristor control trigger interface.
44、45、46、47: U-phase thyristor control trigger interface.
48、49、50： Main circuit power supply sync signal input terminal, 48 corresponds to W phase, 49 corresponds to V
phase, and 50 corresponds to U phase. (Synchronous transformer is recommended when in serious interference
occasions)

VI. LED Panel menu display and parameter setting instructions

6.1 In standby mode, the LCD display interface is as below. The first three lines on the display screen is the feedback
display value of the current adjusted signal and the voltage and current. And the bottom line shows the load of the
operation state: (Warm reminder: the voltage and current feedback display value has a certain mini mistake
measurements, this value is for your reference only, please refer to the multimeter.

Charging Voltage: x x x xV
充 电 电 压:x x x x V
Charging Current: x x x xA
充 电 电 流:x x x x A
充 电 时 间:x x x x H Charging time: x x x xH
运 行 模 式: 停 机 Running mode: Shut down

放 电 电 压:x x x x V Discharging Voltage: x x x xV

放 电 电 流:x x x x A Discharging Current: x x x xA
放 电 时 间:x x x x H Discharging time: x x x xH
运 行 模 式: 停 机 Running mode: Shut down
Or

6.2 Button operation and display function

By LCD screen and other 4 function button, set, ▲, ▼ and ESC to achieve human-computer conversation. Easily to
modify the needed parameters, and shows the load running mode in real time as well.
The display parts on the LCD screen shows the present load working mode, users can modify and set the parameters
at the first time using it or in the using process according to their needs. The control board enter the standby mode
if no abnormal after power on and self-detection, waiting for users to enter operation command. If there is an error,
it will shows fault at the running mode. If users need to query the fault, press the ESC to enter the query mode, and
press it again back into the standby mode.

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6.3 In the standby mode and without fault, short press the ESC switch into the AC-side current query. Short press it
again or without any operation in 10 seconds, it will back into standby mode, display as below

U 相 电 流: x x x x A U phase current: x x x x A
V 相 电 流: x x x x A V phase current: x x x x A
W 相 电 流: x x x x A W phase current: x x x x A
运 行 状 态: 停 机 Running mode: Shut down

6.4 Menu setting operation, in standby mode, short press SET, it will remind you to enter the password like ------( The
default password is ▲▲▲▼▼▼), after entering the correct password, press the SET again enters the first user
menu, display interface as below.

1 .充 电 步 骤 一 1. Charge step one

2 .充 电 步 骤 二 2. Charge step two
3 .充 电 步 骤 三 3. Charge step three
4 .充 电 步 骤 四 4. Charge step four

5 .放 电 步 骤 五 5. Discharge step 5
6 .基 本 参 数 设 置 6. Basic parameter setting
7 .保 护 参 数 设 置 7. Protection parameter setting
8 .通 讯 参 数 设 置 8. Communication parameter setting

9.PID 参数设置 9. PID parameter setting

10. Phase position parameter calibration
1 0相 位 参 数 校 准
11. Restore factory parameter
1 1恢 复 出 厂 参 数
12. Product version information
1 2产 品 版 本 信 息

In first grade menu, by press ▲ or ▼ to choose different function parameters. And then press SET again enter the
second grade. In the parameter modification of each level, you can use the ▲ (up) or ▼ (down) key to select, the
reverse line is the present chosen line, short press the SET button, the parameter will flash, and enter the current
parameter value modification mode, we can use the ▲ (up) or ▼ (down) to set different parameters. Press SET to
confirm after setting. Since the LCD screen displays has the limitation of the subtitle width, it displays four
consecutive items each time, if we want to select the following options, we can press ▲ (up) or ▼ (down) to select.
In the setting mode operation, if the button is not pressed again within ten seconds, it will automatically return to the
standby main screen.

6.4.1 Secondary menu under charging step parameter setting options：

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 充 电 阶 段: 预充 Charge period: Pre-charge
充 电 模 式: 恒压 Charge mode: Constant voltage
给 定 电 压: 100V Given voltage: 100V
限 制 电 流: 100A Current limit: 100A

充 电 时 间: 100M Charge time: 100M

跳 转 电 压: 100V Jump voltage: 100V
跳 转 电 流: 100A Jump current: 100A
下 一 步 骤: 1 Next step: 1

6.4.2 Secondary menu under the basic parameter setting：

控 制 方 式: 本地 Control Method: Local

电 压 量 程: 100V Voltage range: 100V
电 流 量 程: 100A Current range: 100A
互 感 器 比: 100A Transformer ratio: 100A

软 起 时 间: 10S Soft start time: 10S

软 停 时 间: 10S Soft stop time: 10S
相 位 限 制: 0度 Phase angle limit: 0 degree
主 从 偏 移: 0度 Host/slave shift: 0 degree

启 动 方 式: 点动 Start method: Jog

反 馈 设 置: 关闭 Feedback setting: Off
手 自 启 动: 手动 Manual auto start: Manal
起 止 相 位: 1 2 0度 Start & stop phase angle: 120 degree

6.4.3 Secondary menu under the protection parameter setting：

1 .过 压 保 护: 关 闭 1. Over voltage protection: Off

2 .过 压 时 间: 1 0 S 2. Over voltage time: 10S
3 .欠 压 保 护:关 闭 3. Under voltage protection: Off
4 .欠 压 时 间: 1 0 S 4. Under voltage time: 10S

I F过 载 保 护:关 闭 IF over load protection: Off

I F过 载 时 间: 1 0 S IF over load time: 10S
C T过 载 保 护:关 闭 CT over load protection: Off
C T过 载 时 间: 1 0 S CT over load time: 10S

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 9 .缺 相 保 护:开 启 9. Phase loss protection: On
1 0三 相 平 衡:关 闭 10. 3 phase unbalance: Off

6.4.4 Secondary menu under the communication parameter setting：

1 .通 讯 地 址: 1 1. Communication add: 1
2 .波 特 率: 9 6 0 0 2. Baud rate: 9600
3 .校 验 位:无 校 验 3. Parity: no check
4 .通 讯 检 测:关 闭 4. Communication test: Off

6.4.5 Under the Factory Reset Settings option:

Prompts to enter the password, (factory password: ▲ ▲ ▲ ▲ ▲ ▲) After the password verification, the factory
recovery operation will be automatically performed, and the control system will be restarted after completion.

6.4.6 Under PID parameter setting：

1 . P I D参 数:中 速 1. PID parameter: Medium speed

2 . P参 数: 8 0 2. P parameter: 80
3 . I参 数: 6 0 3. I parameter: 60
4 . D参 数: 自 动 4. D parameter: Auto

When users uses different loads, different dynamic parameters can be adjusted according to the load characteristics
to achieve the best or stable operation adjustment mode. At this time, users need to enter the PID parameter setting.

Functional Settled
Default Remark
parameter parameter
PID
Refer to Medium PID parameter setting has fast PID adjustment (suitable for resistive
parameter
Remark speed load constant voltage and constant current), medium speed PID
setting
adjustment, slow speed PID adjustment (suitable for Inductive and
P parameter 1～128 -- capacitive load constant voltage and constant current) and

I parameter 1～128 -- user-defined PID adjustment. Under the user-defined mode, users
can adjust the P and I parameters, but cannot adjust in other three
Not
D parameter -- kinds of mode.
adjustable

6.4.7 Under phase parameter calibration setting: (i.e. adjust the hour)

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 Phase angle calibration
相位校准
Output voltage 50%
输 出 电 压5 0 %
Parameter: x x x
参 数 ：x x x
Running mode: Shut down
运 行 状 态: 停 机

When users changes the main circuit voltage, access the transformer to the pre-stage access or connect the
synchronous transformer to the synchronous signal terminal, then users need to enter the phase parameter
calibration at this time.
In the phase calibration mode, it is recommended to access a 1~10KW resistive dummy load to test. The default
output voltage of the system is 50% of the voltage on the main circuit. Press the start key to run the work. At this time,
press ▲ or ▼ to adjust the output voltage into half of the main loop circuit voltage, then the calibration is completed.
It is default calibrated by AC380V voltage when out of factory. If users uses AC380V on the main circuit, then do not
need to be calibrated again.
* The main circuit AC380V output correspond is about DC256V, AC220V correspond is about DC150V.
* Phase calibration value is 0, when AC380V is not connected to the synchronous transformer.
* Phase calibration value is -250 when AC380V, 660V, or 1140V plus synchronous transformer.

6.4.8 Under the running time query option: (In the standby mode, press the ▲ and ▼ keys for three seconds to
enter the running time query interface)
Enter the running time query mode. The present running time is the time recorded about each stop after start or stop
after power failure, the maximum is 9999 hours; the accumulated time is the sum of the total running time of the
equipment, the maximum is 99999 hours, if users wants to clear the accumulated time, just press ▲ (up) and ▼
(down) at the same time for three seconds, the record format is as follows

1 .本 次 运 行 时 间: 1. Present running time:

x x x x时 x x分 xxxxHxxxxM
2 .累 计 运 行 时 间: 2. Total running time:
x x x x时 x x分 xxxxHxxxxM

6.4.9 Under the product version information option:

Under this option, the system displays the model, software version, manufacturer and phone number of the related
product, so that the user can check whether the related software is updated and the technical support phone, it
cannot be changed.

Some tips on menu settings:

1. If users presses the ESC button under each level menu, it will return to the previous menu mode.
2. If there is no operation within ten seconds in the setting mode, it will automatically return to the standby state.
3. The menu setting can only be entered during standby or fault mode, and cannot be entered after starting.
4. After entering the menu, press the start button is invalid. It can only be started after exiting the menu.

6.5. Overview of the user menu：

6.5.1. Charging step parameter (for discharge step parameter please refer to charge parameter setting

Parameter Setting range Default value

Pre-charge, fast charge, slow charge,

1、Charging period Pre-charge
average charge and floating charge

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 Constant voltage, constant current and
2、Charging mode Constant voltage
adjustment

3、Given voltage or current 1~300V or 1~300A 100V

4、 Limited voltage or current 1~300A or 1~300V 100A

5、Charging time 1~9999M or H 100M

6、Jump voltage Close, 1~300V Close

7、Jump current Close, 1~300A Close

8、Next step 1, 2, 3, 4, 5, down 1

Charging period setting

The charging period is set by the user according to the charging characteristics of the battery.
※ Charging mode setting
The charging mode is divided into three modes: constant voltage, constant current and adjustment (i.e. open loop).
※ Given voltage or current setting
In constant voltage is a given voltage, and in constant current is a given current.
※ Limit voltage or current setting
In constant voltage, the current is limited. In constant current, the voltage is limited. When in open loop (adjustment),
there is no current and voltage limit function.
※ Charging time setting
The charging time is the requirement in the current charging step. When the time is up, it will automatically change
into the next step. In floating charging, the unit is hour, and other modes are minute.
※ Jump voltage setting
The jump voltage is the charge voltage under the present charge step, it will automatically change to the next step
when the charging voltage is greater than the jump voltage for one minute.
※ Jump current setting
When the charging current is in the charging, pre-charging, fast charging, slow charging, and equalizing processes,
it will automatically change into the next step when the charging current is less than the jump current for one minute.
※ Next step setting
The next step is the setting step that is automatically switched into after reaching a certain setting requirement under
the current charging step.

6.5.2. Basic parameter options

Parameters Setting range Default

1、Control methods Local, communication Local

2、Voltage range 10~300V 100V

3、Current range 10~300A 100A

4、Transformer ratio 10~300A 100A

5、Soft start time 1~200S 10S

6、Soft stop time 0~200S 10S

7、Phase limitation 0~180 degree 0

8、Master-slave migration -60~60 degree 0

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 9、Start methods Jog, self-locking Jog

10、Feedback setting Close, detection Close

11、Manual and self-start Manual, self-start Manual

12、Start and stop phase 0~180 degree 150

Control mode setting

The control mode has two states: “local” or “communication”. Users can select according to their needs, and the
factory default is “local”. The "local" mode is the external signal control of the potentiometer end; the
"communication" mode is the remote control of the related computer (remote control the power on or off, and analog
quantity), and if there is an external control signal, it will be invalid.
※ Voltage range setting
Set according to the DC voltage rectified by thyristor, the actual load maximum voltage or voltage sensor full scale
corresponds to the voltage feedback terminal VF5V, and the constant voltage value, overvoltage value and
undervoltage value are all set according to this parameter.
※ Current range setting
Set according to the DC current rectified by the thyristor, the actual load maximum current or current sensor full scale
corresponds to the current feedback terminal IF5V, and the constant current value, overload value and overcurrent
value are all set according to the parameter.
※ Transformer ratio setting
Set according to the current transformer ratio sampled by the AC terminal of the previous stage, CT1-3 is connected
to the transformer with a secondary current measurement of 1A, which has the overcurrent protection or the
three-phase current imbalance protection function of the preamplifier. If you don't need it, you can leave it alone.
※ Soft start time setting
The soft start time adjust range is from 1~200 seconds.
※ Soft stop time setting
The soft stop time adjust range is adjustable from 0 to 200 seconds. If the soft stop time is set to “0”, the soft stop
function is off.
※ Phase limit setting
To limit the phase shift angle of the thyristor output. When the angle is 0 degrees, the angle is fully open and unlimited,
and the highest voltage is output; at 60 degrees, it is half of the rectified voltage output.
※ Master-slave offset setting
Under normal circumstances, the parameter is set in the number from -30° to +30°. When there is a transformer
in the main circuit, such as △/Y transformer, the phase difference will be generated between the primary and
secondary of the transformer, then the parameter should be adjusted, △ / Y transformer adjust to +30, Y / △
transformer adjust to -30.
※ Startup mode selection
The startup mode is divided into two states: “jog” or “self-locking”. For details, please refer to part V. “Control board
terminal definition”. Users can choose according to their own needs. The factory default is “jog”.
※ Feedback setting selection
The feedback setting has two states: "off" or "detect".
※ Manual and self-starting settings
※ The initial mode setting after power on, “manual” is the shutdown mode after power-on, and “automatic” is the
automatic operation of the control panel after power-on.
※ Start and stop phase setting
The start and stop phase is the phase shift angle control of the thyristor from 0 to 180 degrees. When start, the output
voltage starts from the settled phase value. When stop, the output voltage value drops to the settled phase value and
close down directly; This parameter is needed when discharge in order to let it in the inverter mode.

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6.5.3. Protection parameter

Parameter Setting range Default

1.Over voltage protection range Close, 1～6000V Close

2.Over voltage protection time 0～200 seconds 10 seconds

3.Under voltage protection range Close, 1～6000V Close

4.Under voltage protection time 0～200 seconds 10 seconds

5.IF over load protection option Close, 1～6000A Close

6.IF over load protection time 0~200 seconds 10 seconds

7.CT over load protection option Close, 1～6000A Close

8.CT over load protection time 0~200 seconds 10 seconds

9.Phase lost protection option Close, open Open

10.Three phase balance protection Close, 10～60% Close

※ Overvoltage protection selection (less than the settled maximum voltage range)
VF voltage signal feedback terminal. It will generates an overvoltage protection fault after the overvoltage time delay
when the output voltage is too high. The overvoltage protection of the factory preset is close.
※ Overvoltage protection time
The delay time for overvoltage protection, can be adjust from 0 to 200 seconds and the factory default is 10 seconds.
※ Undervoltage protection selection (less than the settled maximum voltage range)
VF voltage signal feedback terminal, when the output voltage is too low, an undervoltage protection fault occurs after
the undervoltage time delay. The factory default of the long-time protection is close.
※ Undervoltage protection time
The delay time for undervoltage protection, can be adjust from 0 to 200 seconds, and the factory default is 10
seconds.
※ IF overload protection option
The IF current signal feedback terminal. It will generates an overload protection fault after the overload time delay
when the load current is too large. The factory preset of the overload protection is close.
※ IF overload protection time
The delay time of the IF over load protection, can be adjusted from 0 to 200 seconds and the factory default is 10
seconds.
※ CT overload protection option
The transformer signal input detection protection. It will generates an overcurrent protection fault after the overload
time delay when the load current is too large. The factory preset of the overload protection is close.
※ CT overload protection time
The delay time of the transformer overload protection, can be adjusted from 0 to 200 seconds, and the factory default
is 10 seconds.
※ Phase loss protection option
When a phase current disappears, it enters phase loss protection. The phase loss protection function can be close or
open by choice.
※ Three-phase balance protection setting
This function is used to detect the balance state of the three-phase current during the running, representing the
percentage between the two-phase current difference and the maximum value. The adjustable range is 10%~60%.
When users choose close, the current unbalance protection is canceled.
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6.5.4. Communication parameter (For specific communication protocol please ask for communication protocol
attachment instruction)

Parameter Setting range Default

1.Communication address 1～247 1

2400、4800、9600、14400、19200、38400、57600、
2.Baud rate 9600
115200

3.Parity bit None, odd, even None

4.Communication
Close, open Close
detection
※ Communication address selection
Adopt RS485 communication mode, comply with MODBUS RTU bus protocol, communication address parameters is
1~247.
※ Baud rate selection
Baud rate has 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200.
※ Parity bit selection
The parity bits has three ways, no parity, odd parity, and even parity.
※ Communication detection setting
The communication detection function is to judge whether the communication between the control computer and the
control board is normal. When the function is open, the control board detects if the upper computer has send a
command every 1 minute, and automatically close the output if no command received after timeout, and prompts
“communication error”.

VII. Output feedback control connection instruction

7.1. Constant voltage and constant current feedback terminal refers to the following diagram.

During constant voltage feedback, the feedback voltage signal is DC0-5V (factory default). If the load is added with
transformer isolation control, the load terminal can take the feedback voltage by adding two resistors to divide the
voltage and obtain the signal. Connect the resistors to VF and GND, please refer to the connection diagram below; Or
using the rated output voltage of 0-5V Hall voltage sensor, we also have the constant voltage acquisition module used

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with this trigger board, please consult our sales for details.

In the voltage divider circuit of the diagram below, generally, R2 takes 1K and the power is no less than 2W. The
calculation formula of the resistance value (unit KΩ) and power P (unit W) of the voltage dividing resistor R1:
R1=V0/5-1(KΩ) P＝0.2×R1(W)
V0 in this formula is the rated rectified output voltage, unit is Vdc
E.G. Rated rectified output voltage V0=500V, to calculate the resistance value and power of the divider resistor R1.
R1=500/5-1＝99(KΩ) P＝0.2×99＝19.8(W)
Select divider resistor R1 with 100K resistance value and 20W power.

For constant current feedback, please use Hall current sensor, and connect to IF and GND constant current feedback
interface, the feedback voltage signal is DC0-5V (factory default); if using 0-75mV divider to sampling current signal
and connect to port, please explain in advance. For other transformer signals, please directly connect the transformer
with the secondary 1A at the CT port.

7.2. Option current transformer ：

When the main circuit is380V/660V/1140V, the current transformer of the load can be selected according to the
recommend value in the form below.
Rated current 660V load power 1140V load power Transformer
More than 480A More than 425KW More than 720KW 2000:1
120A< rated current ≤480A 110KW< load power ≤425KW 185KW＜ load power ≤720KW 1000:1
15A< rated current ≤120A 11KW< load power ≤110KW 22KW＜ load power ≤185KW 200:1
15A and lower 11KW and lower 22KW and lower 100:1

7.3. Notes on three-phase synchronous signals:

Since the controller has a phase sequence self-applying function, the connection of the rectifying device to the
incoming power source does not have to distinguish the phase sequence. However, the connection relationship inside
the device must strictly follow the correspondence. It is necessary to ensure that the wiring of the TU terminal
corresponds to the wiring of the SCR1 and SCR4 thyristors; the wiring of the TV terminal corresponds to the wiring of
the SCR3 and SCR6 thyristors; the wiring of the TW terminal corresponds to the wiring of the SCR5 and SCR2
thyristors. When there is a transformer in the main circuit, the primary/secondary of the transformer adopts Δ/Y
connection or Y/Δ connection. It is necessary to pay attention to the correspondence between the secondary winding
of the transformer and each thyristor, corresponding to the TU. , TV, TW signal.

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VIII. The related principles schematic in rectification control

process
8.1. Closed loop constant voltage mode: When the load current is less than the current limit parameter, the
microprocessor will compares the voltage feedback signal with the given signal. When the voltage feedback signal is
less than the given signal, the microprocessor will increase the output till the voltage feedback signal and the given
signal are equal. When the voltage feedback signal is greater than the given signal, the microprocessor will reduce the
output till the voltage feedback signal is equal to the given signal. In this adjustment method, if the input signal stay
unchanged, even if the power supply voltage changes or the load impedance changes, the load voltage remains
unchanged (excluding the sudden change of the grid and load impedance), and it has a current limiting function, and
the current limit has priority. The schematic is as follows:

8.2. Closed-loop constant current mode: When the load voltage is less than the voltage limit parameter, the
microprocessor of the control board compares the current feedback signal with the given signal. When the current
feedback signal is less than the given signal, the microprocessor will increase the output till the current feedback
signal equal to the given signal, when the current feedback signal is greater than the given signal, the microprocessor
will reduce the output till the current feedback signal is equal to the given signal. In this adjustment, if he input signal
stay unchanged, even if the power supply voltage changes or the load impedance changes, the load current remains
unchanged (excluding the sudden change of the grid and load impedance). It is with voltage limiting function, the
voltage limit has priority. The schematic is as follows:

8.3. Adjustment control mode: that is, the open-loop control mode, the microprocessor of the control board linearly
converts the input signal into a thyristor conduction angle trigger output, in this adjustment mode, the output of the
control board changes with the power or power supply voltage. It is with overvoltage and overcurrent protection. The
schematic is as follows:

8.4. Soft start: At start-up, it is starts from the zero voltage, and gradually rises into the settled operating voltage
during the starting time.

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8.5. Soft off: At the stop time, the operating voltage will gradually reduced into the ending voltage of 0V.

IX. Fault display and dealing methods

When the fault occurs during operation, the display screen will display the cause of the fault in real time. The figure
below shows the cause of the fault during the query operation.

Fault mode
故障状态
Phase loss protection
缺相保护

When a fault occurs, the fault relay output a signal, the running relay and the load output are disconnected, and the
text on the lower right of the LCD screen is the fault display. If you need to query the fault, press the ESC key to enter
the fault display mode. At this time the fault is displayed in the middle of the screen. We provide the following
troubleshooting methods for the possible failures:
※ Overvoltage fault: Check the voltage protection level and overvoltage protection selection setting. If the
parameters are normal, then check if the power supply voltage exceeds the set value.
※ Undervoltage fault: Check the voltage protection level and undervoltage protection selection setting. If the
parameters are normal, then check if the power supply voltage is lower than the set value.
※ Phase loss protection: The protection circuit operates when any phase of the main circuit power supply is
disconnected.
Maintenance method: Check if the main circuit input is disconnected or the load is too light. If the load current is too
small, then the transformer needs to be replaced.
※ Overcurrent protection: The protection circuit operates instantaneously when any phase current exceeds 8 times
the rated current.
Maintenance method: Check if there is a short circuit in the main circuit or the overload protection parameter setting
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is too low.
※ Overload protection: Uses overload reverse time protection.
Maintenance method: Reduce the load.
※ Three-phase unbalance protection: When two of the phase current values differ bigger than the set value, the
protection take action after three seconds.
Maintenance method: Check if there is any abnormality in the power supply or in the load.
※ Overheat protection: Protection acts when the thyristor is over temperature.
Maintenance method: Check if the radiator is too small or the load current is too large.
※ Feedback fault: There is no signal input to the VF or IF feedback terminal from voltage sensor or current sensor
during the constant voltage or constant current.
Maintenance method: Check if the voltage sensor or current sensor didn’t output feedback signal, or if it is damaged
or the line is disconnected.

X. Analysis and elimination of common problems

Number Fault Possible Reason Solution

1.Check if the power is on, or the fuse is

1.No connection of AC power
fused
No display on the display 2.Check input voltage of the control
1 2.AC power voltage is too low
screen power
3.Display screen interface is
3.Return to factory for replacement
broken
1.Control wire on the trigger 1.Follow the wiring diagram, check the
port is connected wrong wiring of the control wire

2.The thyristor is damaged 2.Replace the thyristor

No output on from the 3.There is an indicator light (six 3.The related indictor of certain road is
2 red lights) not lit on the trigger not lit, check if the thyristor on this
control board
port road is connected right
4.There is an indicator light (six
green lights) not lit on the 4.Return to factory for replacement
trigger port

1.Open load 1.Check if the load is wired

2.Change for a high power load, please

2.Power of the load is low
The output voltage is take >1000W for experiment
3 3.One of the thyristor is not
unstable 3.Replace the thyristor
conductive
4.Reset the PID parameters according
4.PID parameter is wrong
to the feature of the load
The differ ratio between
1.Constant current or constant
the input signal value and 1.Check if the feedback signal is
4 voltage does not match with
the actual output voltage DC0-5V
feedback signal
is too big.
Output voltage can’t 1. Feedback signal of constant 1.Check if the feedback signal is
5
adjust to the rated value. current or constant voltage DC0-5V

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 does not match.

2.The settled value of limit

2.Reset the value of limit voltage or
voltage or limit current is too
limit current
low
3.The main circuit is not with
3.Re-phase calibration, adjust
380V or synchronous
parameters
transformer

XI. Main circuit and control circuit wiring diagram

The wiring diagram below is a schematic diagram of the main circuit, the trigger terminal of the control board and the
thyristor when the three-phase full-controlled rectifier control board is combined with other components. In the
process of wiring the control panel trigger terminal and the thyristor, it should be noted that the correspondence of
the position between the cathode (K) and the gate (G) as the diagram below, users should avoid the misconnection
and reverse connection, otherwise a short-circuit will occur to burnout the device or damage the control board; The
main circuit must be added with the necessary protection components, such as fast-melting for over-current
protection, piezoresistor for over-voltage protection, and both side of thyristor connected to the RC to absorption
circuit and so on.

Note: 1. Transformers, circuit breakers, contactors, fast-melting and thyristors, etc., needs to be purchased by users.
2. Hall voltage sensor, Hall current sensor, transformer and shunt needs to be purchased by the user.
3. Thyristor RC absorption components are optional accessories.

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