500 w 20 a high-power positive &negative PWM dc motor speed:

This governor can control the motor speed from 0% to 0% between the infinite change, can be used for single chip microcomputer and PLC for driven plate to the positive and negative conversion and speed regulation of 0 to 5 v.

Technical indicators:

(1) working voltage: DC12V - DC32V (add work is a dc voltage, and no more than 32 VDC)

(2) control power: 0.01 500 w with sufficient margin (recommended)

(3) the static current: 0.02 A (standby), the maximum current 20 A;

(4) the PWM pulse width modulation range: 5% to 100%.

(5) the board size: 90 mmx90mm

(6) PWM frequency: 13 KHZ;

(7) positive &negative switching accurate, timely and reliable;

High quality 1000 (8) uf electrolytic capacitor and 330 uf electrolytic capacitor.

SHIP LIST: 

1. Circuit board piece;

2. Positive &negative switching and a potentiometer.