I. Product characteristics:
This series of speed controller is a low voltage DC four-quadrant regeneration pulse width controller adopts special single-chip intelligent control system and has rapid response speed, steady operation, reliable work status and multiple protection functions.
◆ SMT technology, small size
◆ Pulse width modulation
Low noise during operation, high efficiency, and low maintenance cost which better enhance the service life of DC motor.
◆ Four-quadrant regenerative operating mode
◆ Regenerative braking function
It doesn’t need external reversing contactor and will not result in electric motor parts or other components overheating or burning down.
◆ Enable/ reversing terminal
To realize certain functions by using simple passive switching value or transistor collector open circuit.
◆Status indicator light
Power supply indicator and over-current alarm indicator can provide the visible status of speed controller.
◆ Output current setting function (amplitude limiting)
◆ Torque compensate function
◆ Double closed-loop PI regulation(current, voltage)
◆ Standard analog quantity signal control
Analog quantity: 0-6V 0-10V or controlled by potentiometer
◆ A broader scope of input voltage:20-55V
II. Performance indexes
1. PWM pulse width modulation
2. Speed ratio: 1:100
3. Control potentiometer: (1K……50K )/2W
4. Input voltage: 20-55V VDC
5. Output current: 0-20A (amplitude limiting)
6. Input impedance: ≥50KΩ
7. Revolving speed (standard precision %): 1 %
8. Starting/braking time: 1-20 S
9. Environment temperature: -10℃~+50℃
10. Environment humidity: ≤80RH(no moisture condensation)(relative humidity)
11. Insulation and voltage resistance: 1100V DC 1 minute
12. Insulation resistance: ＞ 20 MΩ
13. Leakage current: ≤ 0.9 mA
14. Weight 0.25Kg
15. It is applicable for tombarthite, permanent magnet and separately excited motor
III. Boundary dimension: see figure below 112*76*33mm
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