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MD556ES

Date: 2021-05-08
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MD556ES


MD556ES is a stepper motor driver with constant angular moment and high subdivision, which adopts servo pure sinusoidal precise current control technology. The technology can significantly improve the noise and smooth operation of the motor. The maximum driving current is 5.6A, and the maximum positioning accuracy is 128 Shao fen, which can reach 25600 steps.

application area

Suitable for all kinds of automation equipment and instruments of motion control, such as electronic processing and testing, semiconductor packaging, laser cutting and welding, laser phototypesetting, packaging machinery, engraving machine, marking machine, cutting machine, clothing plotter, CNC machine tool, automatic assembly equipment, etc. It is the first choice in the field where users expect low noise, high speed performance and cost-effective competition.

Driver Function Description

1) Micro-step subdivision number setting:

Four dial switches SW5 SW8 are used to set the micro-step subdivision number of the driver. There are 15 most-step subdivisions. When the user sets the most step subdivision, the driver should stop running first. For setting the number of micro-steps, please specify the layout of the driver.

2) Output current setting:

The output current is set by SW1-SW3 three child code switches, and there are 8 output currents. For the specific setting of the output current, please refer to the driver layout instructions.

3) Automatic half-stream function:

Users can use SW4 to set up automatic half-built functions to drive riots. OFF denotes that the static current is set to half of the dynamic current, and ON denotes that the dynamic current is the same as the dynamic current. Sw4 should be set as OFF in general use, so that the heating of motor and wing actuator can be reduced and the reliability can be improved. After the stop of the pulse train, the current will automatically be reduced to about half (60% of the actual value), and the fever will theoretically be reduced by 36%.

4) Signal interface:

PUL + and PUL- are the positive and negative end of the control pulse signal, DIR + and DIR - are the positive and negative end of the direction signal, ENA + and ENA-are the positive and negative end of the enabling signal.

5) Motor interface:

The positive and negative ends of A + and A - connected stepping motor A winding: the positive and negative ends of B + and B - connected stepping motor B phase firing group. When the A. B two-phase isolation group is switched, the direction of the motor can be reversed.

6) Power interface:

DC power supply is adopted. The working voltage range is recommended to be 20-50VDC, and the power supply is more than 200W.

7) Indicator lights:

There are two red and dry indicator lights in the driver. The edge lamp is the telephone indicator lamp. When driving Beiyi to power, the green lamp is always red to indicate the fault. When overvoltage and overrequest occur, the fault lamp is always on. After the barrier is cleared, the red light goes out. When the driver fails, only re-energizing and re-enabling can remove the failure.

8) Installation instructions:

The size of the driver is 118x75.5x35m, and the distance between mounting holes is 112 mm. It can be installed either horizontally or vertically. Vertical installation is adopted in the construction. When installed, the leather is installed on the closing cabinet to facilitate heat dissipation.


Parameter setting

The MD556ES driver uses a human code aid switch to set paper accuracy, dynamic current and half-current.         

Detailed description is as follows:


MD556ES


Working current setting:


Output peak current

Output mean current

SW1

SW2

SW3

1.4A

1.0A

off

off

off

2.1A

1.5A

on

off

off

2.7A

1.9A

off

on

off

3.2A

2.3A

on

on

off

3.8A

2.7A

off

off

on

4.3A

3.1A

on

off

on

4.9A

3.5A

off

on

on

5.6A

4.0A

on

on

on


Micro-setting:

Steps / turn

SW5

SW6

SW7

SW8

400

off

on

on

on

800

on

off

on

on

1600

off

off

on

on

3200

on

on

off

on

6400

off

on

off

on

12800

on

off

off

on

25600

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

25000

off

off

off

off


Installation dimensions:

  

MD556ES




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