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产品名称:

LCDA357H 3 Phase Nema23 closed-loop driver

Product Name: LCDA357H 3 Phase Nema23 closed-loop driver
上市日期:2017-03-20
产品型号:

LCDA357H using the latest dedicated motor control DSP chip and vector closed-loop control technology, completely overcome the open-loop stepper motor stepped the problem, while significantly enhance the motor high-speed performance, reduce motor heating and reduce motor vibration, improve machine processing speed and accuracy, Machine energy consumption. This drive is suitable for installation of the motor size is fully compatible with 57 series stepper motor to facilitate the traditional step-by-step drive program upgrade, the cost of a great drop.

 

 

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Features:
 


1. Voltage input range: 18V ~ 50VDC
2. Maximum peak current: 7A
3. Subdivision range: 200 ~ 51200ppr
4. Signal input: differential / single-ended, pulse / direction
5. Impulse response limit frequency: 200KHZ
6. Power-on parameter auto-tuning function
7. Closed-loop vector control to ensure that the motor high-speed high-torque output, while ensuring that the motor does not lose step
8. With over-voltage, over-current, tracking error tolerance and other protection

 

 

 

Main parameters:

 

 

 1. Electrical Specifications

 

 

Parameter

                                 LCDA357H

Minimum value

Typical value

 Maximum value

unit

Max peak current

-

-

7

A

Input power voltage

20

36

50

Vdc

Logic input current

7

10

16

mA

    Pulse frequency

-

-

200

kHz

 

2.Interface definition

 

 

1) Motor & power input port  

 

 

Symbol

                   Name

Explanation

U-

Motor U phase winding

V

Motor V phase winding

W

Motor W phase winding

Vdc

Input DC power supply positive

+20V~+50V
GND

Input  power ground

0V 

 

 

2) Encoder signal input port:

 

 

Symbol

Name

EB+

 Motor encoder B phase positive input

EB-

Motor encoder B phase negative input

EA+

Motor encoder A positive input

EA

Motor encoder A phase negative input

VCC

Encoder power supply

EGND

Encoder power ground

 

 

3) Control signal port:

 

 

Name

Explanation

PUL

Pulse input signal: pulse effective edge adjustable, the default pulse rising edge is valid; in order to reliably respond to the pulse signal, the pulse width should be greater than 1.2μs. Such as the use of +12 V or +24 V when the need to string 3K resistance

PUL

DIR

Direction input signal: high / low level signal, in order to ensure reliable reversing of the motor, the direction of the signal should be preceded by pulse signal at least 5μs to establish, such as the use of +12 V or +24 V string 3K resistor.

DIR

ENA

Enable control signal: This input signal is used to enable or disable. When ENA +, ENA- have input, the drive will cut off the motor phase to make the motor in a free state. When this function is not required, the terminal can be left floating.
Such as the use of +12 V or +24 V when the need to string 3K resistance

ENA

Pend+

Positioning completion signal positive side

Pend-

Positioning completion signal negative

ALM

Alarm output positive terminal

ALM

Alarm output negative terminal


 

 

 

LCDA357H    3 Phase Nema23 closed-loop driver


 

LCDA357H    3 Phase Nema23 closed-loop driver

LCDA357H    3 Phase Nema23 closed-loop driver

 

LCDA357H    3 Phase Nema23 closed-loop driver

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Suitable for all kinds of small and medium-sized automation equipment and equipment, such as: engraving machine, stripping machine, marking machine, cutting machine, laser machine, medical equipment, CNC machine tools, automatic assembly equipment, electronic processing equipment. In the user expectations of low noise, high speed equipment in the application of special results



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