LASER TREE LT-4LDS-V2 High Power 20W Optical Power Laser Head User Manual

: June 3, 2024
: LASER TREE

Table of Contents

LASER MODULE INTRODUCTION
LASER MODULE CONNECTION DESCRIPTION
Only control board pin definition is not matched.
LASER MODULE REFERENCE SETTINGS
PRECAUTIONS AND MAINTENANCE
Documents / Resources
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

High Power 20W Optical Power Laser Head
User Manual LASER TREE LT 4LDS V2 High Power 20W Optical Power Laser
Head TREE LT-4LDS-V2

LASER MODULE INTRODUCTION

1.1 Parameters

Optical power:	19W – 21W
Input:	24V 2.3-3.2A
Wavelength:	455nm (±10nnn)
Focus length:	40mm
Air assistance:	Built-in
Power adjustable:	TTL/PWM/Analog modulation
PWM modulation:	0/5-12V, 0-5kHz
Fan speed:	10000rpm
Operating temperature:	0-60°C
Interface:	2EDG-3.81
Cable:	3PIN, 80cm
Material:	Aluminum alloy
Module weight:	620g
Function:	Engraving or Cutting

1.2 Outline dimension (Unit: mm) LASER TREE LT 4LDS V2 High Power 20W
Optical Power Laser Head - fig

1.3 Standard configuration LASER TREE LT 4LDS V2 High Power 20W Optical
Power Laser Head - fig 1

Air pump suggestion:
« Air pressure and capacity: 20.027kPa, 27L/min

LASER MODULE CONNECTION DESCRIPTION

2.1 PIN Definition LASER TREE LT 4LDS V2 High Power 20W Optical Power
Laser Head - fig 2

2.2 Driver adapter LASER TREE LT 4LDS V2 High Power 20W Optical Power
Laser Head - fig 3

Output A: 3PIN connector
Output B: 3PIN connector
Input A: 4PIN connector
Input B: 4PIN connector
Input C: 3PIN connector
Input D: 2PIN connector
DC Input: 12V or 24V power adapter
Power Switch: EXT->External power supply INT->Internal power supply
Power indicator: It is red when the power cable is connected correctly. 40° TTL/PWM indicator: It is green when the TTL/PWM cable is connected correctly.

2.3 Connection
Please check whether the laser module is compatible with your engraving machine before connection.
A. Check the voltage parameter of you engraving machine.
Please ensure your engraving machine can provide at least 24V 4A power supply.
B. Check the pin definition of the main board on your engraving machine.
Please ensure your engraving machine main board has “PWM”, “GND” and “DC” ports.
“A’ &’B’are both compatible.
Connect the laser module to the main board of your engraving machine directly. LASER TREE LT 4LDS V2 High Power 20W Optical Power Laser Head - fig
4

Only voltage is not matched.
The voltage parameter of your machine are not matched to the module.

Machine	Laser Module	Solutions
12V	24V	Driver Adapter + 24V Power Supply
24V	24V	Plug and Play

Step1 Connect the cable of your engraving machine to the corresponding input connector on P-DA-01.
Step2 Connect the cable of the laser module to the Output A connector on P-DA-01.
Step3 Connect the 24V power adapter to the DC Input connector on P-DA-01. Push the switch to EXT Step3 y position and the power is provided by external power adapter. LASER TREE LT 4LDS V2 High Power 20W Optical Power Laser Head - fig
5

Only control board pin definition is not matched.

Situation 1: The definition of connector on the engraving machine main board is not pin-to-pin.
Please rearrange the wire sequence of the cable to make each wire is well matched with the pin definition on the main board. LASER TREE LT 4LDS V2 High
Power 20W Optical Power Laser Head - fig 6

Situation 2: Please use P-DA-01 if the main board of your engraving machine is not 3pin, such as 2pin.

Laser Module	Machine	Solutions
3PIN	2PIN	Driver Adapter
Other pins	Driver Adapter

Step1 Connect the cable of the your engraving machine to the corresponding input connector on P-DA-01.
Step2 Connect the cable of the laser module to the Output A connector on P-DA-01.
LASER TREE LT 4LDS V2 High Power 20W Optical Power Laser Head - fig
7

LASER MODULE REFERENCE SETTINGS

3.1 For cutting
The focal length of the LT-4LDS-V2 laser module is 40mm When cutting, you only need to make the focus located a bit lower than the surface of materials.
Reference settings for cutting LASER TREE LT 4LDS V2 High Power 20W
Optical Power Laser Head - fig 8

Focus fixing plate using reference

For example, if you want to cut 10mm bass plywood, the focus fixing plate should be 4mm.

3.2 For engraving
When engraving, please ensure that the focus is located on the engraving material surface.
Reference settings for engraving LASER TREE LT 4LDS V2 High Power 20W
Optical Power Laser Head - fig 9

For example, please use a 8mm focus fixing plate if you want to engrave.

PRECAUTIONS AND MAINTENANCE

4.1 Precautions
Please wear laser goggles to protect your eyes when you use this laser module.
Please ensure that the air pump is turned on before you start cutting. If not, the smoke will contaminate the lens.
This laser module doesn’t support hot plug, hot plug may cause damage to the laser module.

4.2 Maintenance
When the laser module is not used for a long time, please ensure that the lens is not polluted by dust.
When you replace the air nozzle, please ensure that your operation will not pollut the lens. Finger prints or dust on the lens will weaken the output power of the laser module, or even damage the lens.
When you find the cutting ability decreases, the lens might be not clean.
Please use a clean alcohol swab to clean it according to the following figure.

For more information about maintenance, please contact us at lasertree@micost-optotech.com. Enjoy pleasure of DIY

Documents / Resources

| LASER TREE LT-4LDS-V2 High Power 20W Optical Power Laser Head [pdf] User Manual
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