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DF3A Stepper Driver

DF3A stepper driver, the power source of 3-phase reactive step motor, the actual application of thousands sets indicated its characteristic as follows:

ü  HIGH RELIABILITY:

Driver circuit was deeply simplified with digital technology and SCM and whole reasonable tight construction was designed with excellent defense. Fully circuitry safeguards in short circuit, out-current, over-heat, and low-voltage. Favorable protection greatly improved its reliability.  

ü  STEADY SLOW PERFORMANCE:

Soft circular division and vector subdivision with SCM realize 1:1 smooth subdivision and 5, 10, 20 times vector subdivision (DF3B is 4,8,16 times subdivision), it makes the running of the stepmotor more steadily to avoid surging or losing step. The application of the vector subdivision technology leads the higher-precision output of the step drive system mating with the μm grade CNC system.

ü  EXCELLENT QUICK CAPABILITY:

The frequency of the input signal is not lower then 250 KHz (at 20 times subdivision), the frequency of the output current reaches 15KHz. Single high-voltage (300V) constant current wave-clipper makes this driver has excellent quick capability. The max speed of driven motor is not litter then 7.0M/min. 

ü  WIDE USAGE:

3~10A adjustable output current can drive 90BF, 110BF, 130BF stepmotor with 2NM~25NM output torque. By reducing the voltage to 110V, it can drive 55BF, 75BF stepmotor, too.

SPECIFICATION:

Model

DF3A-03

DF3A-04

DF3A-05

DF3A-06

DF3A-08

DF3A-10

 

Suitable motor

55BF-

75BF-

90BF-

110BC380B

130BC380C

130BC380D

 

 

 

 

110BC380C

 

130BC380E

 

Input power

AC110V -15%+10% 50/60HZ 3A(Max)

AC220V -15%+10% 50/60HZ 3A(Max)

 

Output phase currentA

3A

4A

5A

6A

8A

10A

 

Max. speed of motor

Not slower then 1300rpm

 

Running circumstance

045, 1085%RH, no dew, no causticity, flammability, burst, electric gas, liquid or dust.

 

 

Storage circumstance

-2080  1085%RHno dew

Drive mode

Semi bridge, Single high-voltage, constant current wave-clipper

 

Subdivision select

Set 1/5/10/20 times subdivision by 4 bits DIP switch before electricity (DF3B model is 1/4/8/16 times subdivision)

 

Pulse input mode

Single pulse mode: CP (pulse) +DIR (direction); double pulse mode: CW (positive pulse) +CCW (reverse pulse).

 

Pulse frequency

Not bigger then 250KHZ20time subdivision

 

Pulse width

Not litter then 1μs

 

Commutate interval

Not litter then 10μs

 

Enable input

When FREE/FREE in effect, the driver outputs the current to control motor.

 

Input signal level

5V310mA 1K resistance in series at 12V, 2.2K resistance in series at 24V. Input in effect when there has the current in input loop.

 

Initial phase output signal

B phase is the initial output phase at electrifying; only B phase output in effect, PH.OUT output (NPN OC) becomes availability.

Cutover to OUT.COM, suck current is not bigger then 6 mA, load voltage is not higher then 24V.

 

Protection function

Out-current, short circuit, overheat, under-voltage protection

 

Alarm output

ALM output (NPN OC) is inefficacy when FREE/FREE invalidation or out-current/short-circuit/overheat/under-voltage protection.

When FREE/FREE in effect and no alarm, ALM cutover to OUT.COM, suck current is not bigger then 100mA, load voltage is not higher then 24V.

 

State indicate

Green LEDH.POWER (power indicate) A.PHASE/B.PHASE/C.PHASE (phase current indicate)

 

Red LEDALARMalarm indicate, lighting at protection in effect

 

Overall size

284×163×82mmrefer to figure

 

Weight

3.0Kg

 

                     

 

MODEL INSTRUCTION:

      DF3 10

 


 

                         Output Phase Current: 03=3A, 04=4A, 05=5A,

                                           06=6A, 08=8A, 10=10A

                         Subdivision Sort: A-151020 times subdivision

                                        B-14816 times subdivision*

                         3 Phases Response Stepmotor Drive

                                                *  DF3B is only for special order

 


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