PWM DC Motor Speed Control

Price: 1
Brand Name: KEYA
Model Number: PWM
Country/Region: China
Post Date: Mar 10,2012

Product Description: PWM DC Motor Speed Control



Instructions of 123 MMT-220DP06BL


 Jinan Keya MMT Series servo control system, PWM DC speed-regulating system are the high-precision electronic speed-adjusting devices with the latest international digital control speed regulation technology and special parts. The device adopts international standard technical specifications with the technical indicators which meet international requirements of similar products. The device has a simple structure, small size, light weight, and other advantages, which can be used for SZ series, ZYT series, Z2 Series with DC motor stepless speed regulation ranging from tens of Watts to 5KW. The product has multiple protection, security, stability and reliability. It can be fully compatible with similar international products, and has international quality and home-made prices.



Scope of application


MMT series of DC speed governor are widely used in the machine tools, paper printing, textile printing and dyeing, fiber-optic cable equipment, packaging machinery, electron technical machinery, food processing machinery, rubber machinery, biological equipment, printed circuit board equipment, experimental equipment, welding cutting, light industry machinery, logistics transportation equipment, locomotives and rolling stock, medical equipment, communication equipment, and other industries.


. Characteristics of products

1. PWM pulse width modulation technology, low noise
2. Speed regulation ratio 1:100 (open-loop)
3. The starting torque at low speed is big
4. Double closed loops PI regulation
5. Current settings, current limiting protection, over-current warning, output stop.
6. Setting function of soft starting. (0.3-10 seconds adjustable)
7. Torque compensation adjustment
8. The maximum output limit function
9. Short-circuit protection
10. Self-inspection alarm output function
11. Standard signal interface (After fitting signal isolator, the device can adapt to various D \ A

signal, 0-5 V or 0-10 V or 4-20mA)

12. With fast response and good following
13. Function of enabling block control


. The main technical parameters

1. The input voltage: AC   220V ± 10%
2. The output voltage: DC  0 ~ 220V or other voltage can be set
3. Rated output current: DC 6A
4. Rated excitation voltage / current: DC 220V/3A
5. The output voltage accuracy: ≤1%
6. The environment temperature: -10 º C to +60 º C
7. The environment Humidity: ≤ 80 RH relative humidity. (Non-condensing)


. Product performance

1. The mechanical characteristics of hardness, static error rate of 1%.
2. A wide speed-regulating range (0 - max).
3. A rapid dynamic response process.
4. Automatic and smooth transition process during acceleration or deceleration.
5. Better excavator characteristics, can limit overload current to set value current.
6. High reliability and compact structure, high performance-price ratio


. Instructions on adjustment of potentiometer

1The maximum rotation speed setting adjustment MAX SPD (see figure W1) 
 With this potentiometer , the greatest output voltage of driver can be confirmed (the 

maximum motor rotation speed)


2.The lowest rotation speed setting adjustments: (Supplementary to the given signal) MIN SPD (see figure W2)
Adjust speed of potentiometer to the minimum, then adjust MIN SPD potentiometer, so you can determine the slowest rotation speed of motor. 

Note: External signal is set as 0, if there are still certain requirements of motors speed, it can be realized by adjustment of potentiometer (adjustment range 0 --- 30%) At this time, if given external given signal is increased, the rotation speed of motor will increase on the basis of "MIN SPD" setting value.

3Soft-start time adjustment: ACCEL (see figure W3)
This adjustment of potentiometers ACCEL can make sure motors rising slope from the initial velocity up to the highest velocity (that is rising time, set time adjustable during 0-10 seconds). See figure 1 


4Soft-stop time adjustment (The interior has been fixed): DECEL
Adjustment of potentiometers DECEL can make sure motors decline slope when speed dropped from the highest to the lowest (that is falling time, set time adjustable during 0-10 seconds). See Figure 2


5Current limit adjustment: TORQUE (see figure W4)
Adjustment of the potentiometer can restrict drive plate to a maximum output current.
Based on your selection of the motors rated current, we can use this potentiometer to adjust driver output current to match the motor rated current. 

6 Torque compensation adjustments: IR COMP (see figure W5)
Adjustment of the potentiometer can keep a constant rotation speed when motor works in different load.                        


7 The highest output voltage adjustment: MAX COMP (see figure W6) (factory has adjusted well, and its usually not needed to adjust)
Adjustment of the potentiometer can be make sure drivers highest output voltage, adjustment range: 50% -110%



. Instructions of terminal blocks

1X1: Wiring diagram of Terminal, see Figure 3
: 1  2 ports: OUT + -: armature output (connected to motor armature)
: 3  4 ports: LC + -: excitation output (connected to motor excitation)
     Note: excitation voltage options, see figure 3 left Tagging

: 5  6 ports: AC IN: access AC power source input terminal


2X2 control terminal wiring diagram: seen Figure 4

Supplier Details:

Jinan Keya Electron Science And Technology Co., Ltd.

Sales:Ms. Brenda Liu

Contact Phone:86-531-88973078-8006

Main Products:Motor Controller

Business type:Manufacturer


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