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Brushless DC Motors
Brushless DC motors
Brushless DC Motors (pdf)

Merkle-Korff’s high efficient brushless DC motors are ideal for commercial food equipment, pump/valve, business equipment/automation, conveyor, pellet stove and medical automation applications. Merkle-Korff’s brushless DC motors feature brushless technology, ultra-quiet operation, long life, low RPM/high torque, integrated control, soft start/reversibility and high temperature/high contamination applications.

Features

  • Internal controller
    • Two quadrant programmable control: current limiting, acceleration, speed regulation, velocity profiles and more
    • Built-in quadrature encoder
    • Over-current protection
    • Stall condition protection
    • 0 – 5 or 0 – 10 VDC speed reference voltage
    • Dynamic braking and holding capability
    • Input voltage polarity protection
    • Electronic commutation
  • Motor
    • Long life
    • Ball bearing construction
    • 8 pole rotor
    • 3 phase stage – wye connection
    • High energy/skewed magnets for reduced cogging
    • Integral hall sensors for rotor position

Optional Features

  • Hall only output: externally controlled
  • Incremental optical encoder

Applications

  • Commercial food equipment
  • Pumps
  • Business equipment/automation
  • Pellet stove
  • Medical/laboratory
  • Satellite positioning systems
  • Custom solutions

Specifications

  • Input voltage: 12 to 32 Vdc
  • Insulation class: F (155° C)
  • Bi-directional
  • Speed regulation: open or closed loop, programmable
  • Velocity profile: programmable
  • Acceleration: programmable
  • Temperature protection: 90° C/110° C
  • Current limit: programmable
  • Tachometer O/P: 2 Ch – 6PPR

Timing diagram sensor- winding

Hall-effect sensors
CCW phases
CW phases

 

HA

HB

HC

A

B

C

A

B

C

1

1

0

1

+

-

0

-

+

0

2

1

0

0

0

-

+

0

+

-

3

1

1

0

-

0

+

+

0

-

4

0

1

0

-

+

0

+

-

0

5

0

1

1

0

+

-

0

-

+

6

0

0

1

+

0

-

-

0

+

External (hall only): lead wire color code

Board position

Designation

Lead color

1

motor A

blue

2

motor B

white

3

motor C

brown

4

hall A

green

5

hall B

orange

6

hall C

yellow

7

5UDC

red

8

GND

black

Internal controller: lead wire color code

Board position

Designation

Lead color

1

digital I/O "A"

gray

2

digital I/O "B"

white/red

3

direction

white/black

4

signal ground

green

5

enable input

orange

6

5VDC (output)

yellow

7

input power (12-32VDC)

red

8

power ground

black

9

analog Input 2

violet

10

analog input 1 (Speed)

blue

11

tach output "B"

brown

12

tach output "A"

white

Diagram



Model
"A" dimension
Maximum output power (W)

5706

1.860"

12

5719

2.375"

25

5738

3.125"

45

 

 

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