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Nema 34 Digital Analog Hybrid Stepper Motor Driver High Current Open Loop

Changzhou Chuangwei Motor & Electric Apparatus Co., Ltd.
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Changzhou Chuangwei Motor & Electric Apparatus Co., Ltd.
City: Changzhou
Province/State: Jiangsu
Country/Region: China
Tel: 86-519-88381518

Nema 34 Digital Analog Hybrid Stepper Motor Driver High Current Open Loop

Model Number : CWD860
Place of Origin : Jingsu,China
Brand Name : CW
Certification : CE,ISO9001,ROHS,SGS
MOQ : 1piece
Price : Negotiation
Packaging Details : Export carton and pallet
Delivery Time : 7-25days
Payment Terms : TT,L/C,Paypal
Supply Ability : 200,000sets/month
Model NO : CWD860
Task : Adjust
Model NO.: DM545D Structure : Open loop
Condition : New
Size : 150*99*48mm
Trademark : CW
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Self Test Hybrid Stepping Motor Driver Optical isolating signals I/O


Descriptions

The CWD860 is a new generation digital 2-phase stepper motor driver, based on a 32-bit DSP processor, combination of the anti-resonance, low noise, micro-step and low temperature rise technology significantly improve the performance of the stepper motor, has low noise, small vibration, low temperature rise and high-speed torque. The driver use online adaptive PID technology, without manual adjustment can be automatically generated optimal parameters for different motors, and achieve the best performance.

Supply voltage range from 20VAC to 60VAC or from 24VDC to 90VDC, suitable for driving various 2-phase hybrid stepping motors which phase current below 7.2A. The microstep can be set from full step to 51200steps/rev and the output current can be set form 2.4A to 7.2A; with automatic idle-current reduction, self-test, overvoltage, under-voltage and over-current protection.

Features

  • High-performance, low price
  • micro-step
  • Automatic idle-current reduction
  • Optical isolating signals I/O
  • Max response frequency up to 200Kpps
  • Low temperature rise, smooth motion
  • Online adaptive PID technology

Applications

Suitable for a variety of large-scale automation equipments and instruments. For example: labeling machine, cutting machine, packaging machine, plotter, engraving machine, CNC machine tools and so on. It always performs well when applied for equipment which requires for low-vibration, low-noise, high-precision and high-velocity.

Electrical Specifications

Parameter

Min

Typical

Max

Unit

Input Voltage(DC)

24

-

90

VDC

Input Voltage(AC)

20

-

60

VAC

Output current

0

-

7.2

A

Pulse Signal Frequency

0

-

200

KHZ

Logic Signal Current

7

10

16

MA

  1. Current and microstep Setting

Current setting

RMS

Peak

SW1

SW2

SW3

2.00A

2.40A

on

on

on

2.57A

3.08A

off

on

on

3.14A

3.77A

on

off

on

3.71A

4.45A

off

off

on

4.28A

5.14A

on

on

off

4.86A

5.83A

off

on

off

5.43A

6.52A

on

off

off

6.00A

7.20A

off

off

off

Standstill Current Setting

SW4 is used for standstill current setting. OFF meaning that the standstill current is half of the dynamic current; and ON meaning that standstill current is the same as the selected dynamic current. Usually the SW4 is set to OFF, in order to reduce the heat of the motor and driver.


Microstep Setting


Step/Rev

SW5

SW6

SW7

SW8

Default

on

on

on

on

800

off

on

on

on

1600

on

off

on

on

3200

off

off

on

on

6400

on

on

off

on

12800

off

on

off

on

25600

on

off

off

on

51200

off

off

off

on

1000

on

on

on

off

2000

off

on

on

off

4000

on

off

on

off

5000

off

off

on

off

8000

on

on

off

off

10000

off

on

off

off

20000

on

off

off

off

40000

off

off

off

off

40000

off

off

off

off

3. Connectors and Pin Assignment

Control signal Connector

Control Signal connector

Name

Description

PUL+

Pulse signal positive

PUL-

Pulse signal negative

DIR+

Direction signal positive

DIR-

Direction signal negative

ENA+

Enable signal positive, usually left unconnected(enable)

ENA-

Enable signal negative, usually left unconnected(enable)



Power and Motor Connector


AC

Power supply

+24~+90 VDC or 20V-60VAC

AC

A+

Motor phase A

A-

B+

Motor phase B

B-

Control Signal Connector Interface

VCC

R

5V

0

12V

680Ω

24V

1.8KΩ

4. Problems and Solutions

problems

Possible cause

solutions

Motor is not rotating

No power supply

Check the power supply

No control signal

Check the control signal

The driver is disabled

Don’t connected the enable signal or enable the driver

ALM lights

Supply voltage is too high or too low

Check the supply voltage

Motor line short-circuit

Check motor lines eliminate the short-circuit

Motor line wrong connect

Check the motor wiring

Motor or drive failure

Replace the motor or drive

Motor rotates in the wrong direction

Motor phases connected in reverse

Reverse the phases line

Motor line break

Change the phases are connected

Inaccurate Position

The Micro steps set incorrectly.

Set the correct segments

The motor load is too heavy.

Increasing the current

Control signal is interfered

Eliminate interference

Motor Stalled

Power supply voltage too low

Increasing the supply voltage

Accelerating time is too short.

Extend the acceleration time

Current setting is too small

Increasing the current

Motor torque is too small

Replace the motor


5. Mechanical Specifications (unit: mm(inch),1 inch = 25.4mm)




Product Tags:

stepper motor controller

      

bipolar stepper motor driver

      
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