3、 Technical parameter table:

Number Project Parameters Unit Remarks

1. Output frequency range: 0.1~5000 Hz

2. Output frequency resolution 0 1 HZ

3. Phase shift range 0~360 degrees,

4. Phase shift resolution of 1 degree

5. Signal amplitude

5 VDC maximum amplitude 5.0Vpp

6. Measurement frequency range 1Hz~200K HZ

7. Measurement frequency resolution 0.01 Hz Measurement frequency resolution

8. The input voltage range for frequency measurement is ± 0 7~Soil 5 VDC

9. Working voltage

7~12 VDC

10. Working current<50 mA

11. Size 56 * 45 * 20 mm, length X width X height

4、 Interface display and operation instructions:

(1) Button Description:

FUN: Function keys; UP:  Change to the next page interface; DOWN: Not used; LEFT:  Self adding key; ROGHT:  Self reducing key;

4.1. Set output frequency

Interface display font:

First line "1. Frequency

”

Second line "* 1 100 OHz

Button operation:

FUN:  (Select the operation position for setting data) (Long press the FUN key to save the set parameter values)

ADD: Self adding key;

SUB: Self reducing key;

4.2. Control the three-phase output voltage

Interface display font:

The first line reads "2.0 output voltage"

Second line

60n

Button operation:

ADD: Self adding key;

SUB: Self reducing key;

5、 Wiring

P1 wiring definition:

Meaning of serial number symbols

Positive pole of power supply for VDD module (7V ^ 12V)

Negative pole of power supply for 2 GND modules

P2 wiring definition:

Meaning of serial number symbols

1 FX frequency measurement input terminal

Q3 C-phase signal output

3Q2B phase signal output

4 Q1 A-phase signal output

GND power supply negative pole (ground wire)

Attention: The display screen has backlight and a standard LCD1602 interface.