Module description
Two independent PWM output, you can set the frequency, duty cycle;
Wide frequency range and high accuracy;
Serial communication
Two independent PWM output, you can set the frequency, duty cycle
XXX (no decimal point): the smallest unit is 1Hz, the value range of 1Hz ~ 999Hz;
XX.X (decimal point in ten): the smallest unit is 0.1Khz; value range 0.1KHz ~ 99.9KHz
X.X.X. (three decimal places): the smallest unit is 1Khz; value range 1KHz ~ 150KHz
Three frequency ranges share a duty cycle, all set parameters, power down save.
Parameter settings
Module has three buttons are: Set, Up, Down;
D1:PWM2 duty cycle; FR2: PWM2 frequency; dU2: duty cycle of PWM2), therewill be a corresponding parameter before switching, by pressing the[Set] key, the four parameter values are switched (FR1: PWM1 frequency;Flashing prompts.
Press the Up, Down buttons to change the current parameter value (long press to fast or fast down).
TwoPWM each preset three kinds of frequency value, in the frequencydisplay interface, by pressing the ćSETć key to switch, the three kindsof frequency duty cycle consistent. (XXX: range 1Hz ~ 999Hz; XX.X: range0.1Khz ~ 99.9Khz; X.X.X .: range 1Khz ~ 150Khz,).
Module parameters:
Operating voltage: 5 - 30V support micro USB 5.0V power supply;
Frequency range: 1Hz ~ 150KHz;
Frequency accuracy: the accuracy in each range is about 2%;
Signal load capacity: the output current can be 8 - 30ma or so;
Output amplitude: default 5V V-pp (can be changed by external power supply);
Ambient temperature: -30 ~ +70 ā.
Applicable scope
Used as a square wave signal generator, generate square wave signal for experimental development and use;
For generating a square wave signal for driving the stepper motor driver;
Generate adjustable pulse for MCU use;
Produce adjustable pulse, control related circuit (PWM dimming speed and other applications).
Highlights1 LCD display frequency and duty cycle, very clear, PWM output can be set separately frequency and duty cycle;2. Wide frequency range, high precision;3. It can use serial communicationDescriptionPWM output, you can set the frequency, duty cycle;Frequency is divided into four ranges, automatic switching:1. XXX (no decimal point): the smallest unit is 1Hz, the value range of 1Hz ~ 999Hz;2. X.XX (decimal point in the hundred) the smallest unit is 0.01Khz, the range of 1.00Khz ~ 9.99Khz;3. XX.X (decimal point in ten): the smallest unit is 0.1Khz; value range of 10.0KHz ~ 99.9KHz4. X.X.X (decimal point in ten and hundred): the smallest unit is 1Khz; value range 1KHz ~ 150KHze.g. frequency display: 100 indicates PWM output 100Hz pulse;1.01 indicates PWM output 1.01K pulse;54.1 indicates that the PWM output has a pulse of 54.1 kHz;1.2.4 indicates that the PWM output is 124 kHz pulse;
Duty cycle range: 0 ~ 100%;All set parameters, power down save.
Parameter settingsThe module has four independent keys, used to set the frequency and duty cycle, support short press (increase or decrease a unit) and long press (fast increase or decrease), very simple, set the parameters automatically save, power failure Lost.Module parameters1. Working voltage: 3.3 ~ 30V;2. Frequency range: 1Hz ~ 150KHz;3. Frequency accuracy: the accuracy in each range is about 2%;4. Signal load capacity: the output current can be about 5 ~ 30ma;5. Output amplitude: PWM amplitude equal to the supply voltage;6. Ambient temperature: -20 ~ +70 ā.Scope of application1. Used as a square wave signal generator, generate square wave signal for experimental development and use;2. Used to generate a square wave signal that controls the motor driver;3. generate adjustable pulse for MCU use;4. Generate adjustable pulse, control related circuit (PWM dimming speed and other applications)
Serial Port ControlCommunication standards: 9600 bps data bits: 8Stop bit: 1Check digit: noneFlow control: none1. set frequency of PWMF101: set frequency to 101HZ (001 to 999)F1.05: set frequency to 1.05KHZ (1.00 to 9.99)F10.5: set frequency to 10.5KHZ (10.0 to 99.9)F1.0.5: set frequency to 105KHZ (1.0.0 to 1.5.0)2. set PWM duty cycleDXXX: set PWM duty cycle to XXX: (001 to 100)Such as D050, set PWM duty cycle is 50%3.read the set parametersSend a "read" string to read the set parameters.Setup successfully return: Down;
Feature:Ā Ā
Output of three-channel PWM at the same time, Adjustable frequency, 3-channel frequency output consistent, duty ratio can be independently adjusted, suitable for most occasionsLcd can display frequency and duty datio,Easy to oprate
3. Wide frequency range, high precision
4. Support Serial operation
Description:
Three-channel PWMĀ is outputted,wide frequency range and the duty ratio can be adjusted independently
Frequency is divided into four areas, automatic switching:Ā
XXX(No decimal point): 1HZ Stepping Unit, Range: 1Hz~999Hz
X.XX(The decimal is in the hundreds place): 0.01KHZ Stepping Unit, Range: 1.00Khz~9.99Khz
X.XX(The decimal is in the tens place): 0.1KHZ Stepping Unit, Range: 10.0Khz~99.9Khz
X.X.X(The decimal is in the ones place): 1KHZ Stepping Unit, Range: 1Khz~150Khz
e.g. ,frequency display:100 represent the pulse of 100Hz
1.01 represent the pulse of 1.01KHz
54.1 represent the pulse of 54.1KHz
1.2.4 represent the pulse of 124Hz
The value range of dutyfactor: 0~100%,100% is represented by A0%
All parameters setted up can be automatically saved in case of power cut.
Setting:
Module has 8 independent keys, used to set the frequency and duty ratio, support short press (increase or decrease a unit) and long press (fast increase or decrease), very simple, set the parameters automatically save, power loss.
3-Way duty ratio button can be pressed at the same time, real-time adjustment, liquid crystal display is the last pressed button duty ratio, real-time is very strong, can be used as a simple several road duty ratio scan.
Parameters:Ā
1.Operating voltage: 3.3~30V
2. Frequency range: 1Hz~150KHz
3. Frequency accuracy: In each range of accuracy is about 2%
4. Signal load capacity: Output current can be around 5~30ma
5. Output amplitude: PWM amplitude and supply voltage equal
6. Ambient temperature: -20~+70ā
Scope of application:
1. Used as square wave signal generator to generate square wave signal for experiment development and use
2. Used to generate a square wave signal to control the motor driver
3. Generating adjustable pulses for MCU use
4. Generate adjustable pulse, control related circuit (PWM dimming speed and other applications)
UART Serial command
Baud rate: 9600 bps Data length: 8
Stop bits: 1
Check digit: none
Flow control: none
set the frequency of the PWM
'F101': Set frequency of 101 HZĀ Ā Ā (001~999)
'F1.05': Set frequency of 1.05 KHZ (1.00~9.99)
'F10.5': Set frequency of 10.5KHZĀ (10.0~99.9)
'F1.0.5':Set frequency of 105KHZĀ (1.0.0~1.5.0)
set the duty ratio of PWM
'DX:YYY': Set PWM duty ratio x: (1~3) PWM serial number, YYY: (000~100) duty ratio
For example d1: 050, set 1th PWM duty ratio to 50%
Read Setup parameters
Send a 'read' string to read the parameters of the setting.
Message format: F156, D1:052, D2:059, D3:058
Set successful return: DOWN
Set failed to return: FALLĀ Ā
Main Features
1. Dual adjusting mode,0.1% duty cycle stepĀ in fine mode.
2. LCD screen clearly displays frequency and duty cycle.
3. Using encoder potentiometer to set the frequency and duty cycle separately.
4. With locking function to prevent wrong operation;
5. Wide frequency range, high precision;
6. Support for serial communication, TTL level.
7. Have ON/OFF button to control output signal output ON/OFF.
8. Integration panel cut-out / hole opening size: 76x40 mm
Technical Parameters
1. Working voltage: 3.3 ~ 30V;
2. Frequency range: Normal AdjustingĀ Mode:1Hz ~ 150KHzĀ Fine Adjusting Mode:1Hz~15KHz
3. Frequency accuracy: the accuracy in each range is about 2%;
4. Signal load capacity: the output current can be about 5 ~ 30ma;
5. Output amplitude: PWM amplitude equals to the supply voltage;
6. Ambient temperature: -20 ~ +70 ā.
Typical Application:
1. Used as a square wave signal generator, generate square wave signal for experimental development and use;
2. Used to generate a square wave signal that controls the motor driver;
3. Output adjustable pulse for MCU use;
4. Output adjustable pulse, control the relevant circuit (PWM dimming speed and other applications).
Adjusting Mode
PWM output, set the frequency and duty cycle independently.
Normal adjusting mode:
Frequency range:1Hz~150KHz Duty cycle:000~100%, duty cycle adjusting step 1%;
Fine adjusting mode:
Frequency range:1Hz~15khz Duty cycle:00.0~100%, duty cycle adjusting step 0.1%;
ON/OFF Button:Ā Signal output on or off, eable output, turn on/off output. NOT for turning off screen or meter.
Frequency output has four ranges, automatic switching:
1. XXX (no decimal point): min. unit is 1Hz, the value range of 1Hz ~ 999Hz;
2. X.XX (decimal point in the hundred) min. unit is 0.01Khz, the range of 1.00Khz ~ 9.99Khz;
3. XX.X (decimal point in ten): min. unit is 0.1Khz; value range of 10.0KHz ~ 99.9KHz
4. X.X.X (decimal point in ten and hundred): min. unit is 1Khz; value range 1KHz ~ 150KHz
Example of frequency display:
100 indicates PWM output 100Hz pulse;
1.01 indicates PWM output 1.01K pulse;
54.1 indicates that the PWM output has a pulse of 54.1 kHz;
1.2.4 indicates that the PWM output is 124 kHz pulse;
Duty cycle range: 0 ~ 100%;
All setting parameters are automatically saved in case of power off.
Rotation Knob Operation
HPWM XY1 PWM signal generator output and duty cycle are adjusted through Rotary Encoder. Its output changes along with the knob rotation speed.Ā
The default setting is duty cycle adjustment, short press the knob, user can adjust frequency output.Ā
Long press for 2 seconds, it can lock the pwm generator meter.
Long press for 5 seconds, user can switch adjusting mode between normal adjusting mode and fine adjusting mode. Very convenient operation, automatic save parameters, no data loss.
Serial Port Communication:
Communication standards: 9600 bpsĀ
Data bits: 8
Stop bit: 1
Check digit: none
Flow control: none
1. Set PWM frequency value
"F101": set the frequency to 101 HZ (001 to 999)
"F1.05": set the frequency to 1.05 KHZ (1.00 ~ 9.99)
"F10.5": set the frequency to 10.5KHZ (10.0 ~ 99.9)
"F1.0.5": set the frequency to 105KHZ (1.0.0 ~ 1.5.0)
Note: In fine adjusting mode, the maximum frequency is 15.0KHz
2. Set PWM duty cycle
Normal adjusting mode:
"DXXX": set the PWM duty cycle to XXX; (001 ~ 100)
Such as D050, set the PWM duty cycle is 50%
Fine adjusting mode:
"DXX.X": set the PWM duty cycle to XX.X; (0.1 ~ 100)
Such as D20.8, set the PWM duty cycle is 20.8%
3.Read the set parameters
Send a "read" string to read the set parameters.
4. Modify Adjusting Mode
āMODE0ā: Normal adjusting mode
āMODE1ā: Fine adjusting mode
Set successfully return: DOWN;
Setup failed to return: FALL.
