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ماژول PWM ژنراتور تک کاناله روپنلی XY-PWM1

( 3011008030 )
مشاهده کالاهای شاخه ماژول های درایور موتور

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PWM pulse frequency duty cycle adjustable module square wave rectangular wave signal generator XY-PWM1  
 



Module highlights:

1. Dual mode, duty cycle stepping 0.1% in fine mode ;

2. LCD liquid crystal display frequency and duty cycle, very clear, using code potentiometer adjustment, very convenient; PWM output can be set separately frequency and duty cycle;

3. With locking function to prevent misoperation;

4. Wide frequency range and high precision;

5. Serial communication

 

First, the module description

PWM output, you can set the frequency and duty cycle separately;

Normal mode:

Frequency range 1HZ~150KHZ  duty cycle 000~100% , duty cycle step 1%

Fine mode:

Frequency range 1HZ~15KHZ  duty cycle 00.0~100% , duty cycle step 0.1%

The frequency is divided into four ranges and is automatically switched :

1.XXX ( no decimal point ) : The minimum unit is 1Hz , and the value range is 1Hz~999Hz ;

2.X.XX (the decimal point is in the hundredth place) The minimum unit is 0.01Khz , and the value range is 1.00Khz~9.99Khz ;

3.XX.X ( decimal point is ten ) : The minimum unit is 0.1Khz ; the value range is 10.0KHz~99.9KHz

4.XXX ( decimal point in ten and hundred ) : the minimum unit is 1Khz ; the value range is 1KHz~150KHz

Eg  frequency display: 100  means PWM output 100Hz pulse;

                        1.01 indicates that the PWM outputs a pulse of 1.01K ;

                        54.1  represents the PWM output 54.1KHz pulses;

                        1.2.4 indicates that the PWM output is a pulse of 124KHz ;

The duty ratio ranges from 0 to 100% ;

All setting parameters are saved after power down.

Second, the parameter settings

This product adjusts the frequency and duty ratio by rotating the potentiometer. It can realize rapid adjustment according to the rotation speed. The default adjustment of duty ratio, short press of the adjustment frequency, long press for 2 seconds to lock, long press for 5 seconds to switch mode (normal mode / Fine mode) , the operation is simple, the parameters are automatically saved after setting, and the power is not lost.

Third, the module parameters:

1. Working voltage: 3.3~30V ;

2. Frequency range: normal mode 1Hz~150KHz ; fine mode 1HZ~15KHZ ;

3. Frequency accuracy: the accuracy in each range is about 2% ;

4. Signal load capacity: the output current can be around 5~30ma ;

5. Output amplitude: The PWM amplitude is equal to the supply voltage;

6. Ambient temperature: -20~+70 °C.

7. Weight: 42g

 

 

Fourth, the scope of application:

1. Used as a square wave signal generator to generate a square wave signal for experimental development;

2. Used to generate a square wave signal that controls the motor driver;

3. Generate adjustable pulses for use by the MCU ;

4. Generate adjustable pulses and control related circuits ( applications such as PWM dimming speed regulation).


Five, serial port control (microcontroller TTL level communication)

Communication standard : 9600 bps

Data bits  : 8
stop bits  : 1
check digit  : none
flow control  : none

 

    1. Set the frequency of the PWM

“F101”: Set the frequency to 101 HZ (001~999)

“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 mode , the maximum frequency is 15.0Khz

    2. Set the duty cycle of the PWM

Normal mode :

“DXXX”: Set the duty cycle of PWM to XXX ; (001~100)

    For example, D050 , set the PWM duty cycle to be 50%.

Fine mode :

"DXX.X": Set the PWM duty cycle to XX.X (00.1~100)

            For example, D20.8, set the PWM duty cycle to  20.8%.

     3. Read the setup parameters

Send a " read " string and read the set parameters.

     4. Switch mode

MODE0 :  Normal mode

MODE1:  Fine mode

 

Set the success to return: DOWN ;

Setting failed to return: FALL .

نظرات (1)

  • عباس کیامهر • posted
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