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The 5V output port on the driver board prohibits connect external device. It is only applicable to the external potentiometer and switch of the board for speed regulation and reversal.
The “M” terminal on the JYQD-V8.8 driver board is the motor speed pulse output signal (push-pull output), and the maximum output current is less than 5mA.
| Model number | JYQD-V8.8 / JYQD-V8.8D |
| Operating temp. | -20—85℃ |
| Operating voltage | 90-265V AC |
| Max current | 1A |
| Cont.working current | 0.5A |
| · PWM speed control | PWM frequency:1-20KHZ; Duty cycle 0-100% |
| Analog voltage speed regulation | 0-5V |
| O.V / L.V protection | YES |
| Speed pulse signal output | YES |
Wiring Diagram:
5V -----Driver board internal output voltage
M ---- Motor speed pulse signal output port, 5V pulse signal.
1. Control port
Z/F---- Rotating direction control ports. Connect “5V” high level or no connect is Forward direction, connect 0 V low level or connect to GND is reverse direction.
VR ----Speed control port. Analog voltage linear speed regulation 0.1v -5V, The input resistance is 20K Ohm ,connect with GND when input PWM speed regulation, PWM frequency:1-20KHZ; Duty cycle 0-100%
GND—Used for Drive board internal control
2. Power port
U/MA ----motor phase A
V/MB ---- motor phase B
W/MC---- motor phase C
AC----L
AC----N
3. Use shielded wires if the drivers board has more than 50 cm distance from the motor, otherwise it may lead to abnormal driving, affecting the normal use.
4.This AC input driver board can be the built-in driver in application
5. Pay attention to the insulation between the driver MOSFET and the heatsink or the installation plate.
Dimensional Drawing:
