Amada ML-73 EL Series User manual

Z11OM1209102-02
Fiber Laser Marker
ML-73□□EL
OPERATION MANUAL
Original instructions

Thank you for purchasing our Fiber Laser Marker ML-73□□EL.
Please read this manual carefully to ensure correct use of the product. Store the manual in a
convenient place for future reference.
This documentation for the fiber laser marker covers installation, operation, maintenance, and
specifications.
For marking in LMDraw6 using a computer, refer to the manual for LMDraw6.
■Notes
•This documentation is intended for ML-7320EL/7350EL/7323EL/7353EL. Figures and
screenshots are based on ML-7320EL, unless information for other laser markers is significantly
different.
•Unauthorized reproduction of this manual in whole or in part is prohibited.
•The contents of this manual are subject to change without notice.
•Every effort has been made to ensure the accuracy of this manual, but if you notice oversights or
errors, please notify your dealer.
•Be sure to read the user's manuals for any equipment used in conjunction with the system (e.g.,
documentation for computer systems).
•This system incorporates a QR code engine developed by Denso Wave Inc.
•Graphics rendering support in LMDraw (for importing DXF data) is provided by CADBuilderOCX,
developed by Knack SoftWare Inc.
■Trademarks
•Microsoft, Windows, and OpenType are trademarks or registered trademarks of Microsoft
Corporation in the United States and other countries.
•AutoCAD is a trademark or registered trademark of Autodesk Incorporated in the United States
and other countries.
•TrueType is a trademark or registered trademark of Apple Incorporated in the United States and
other countries.
•Intel and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries
in the United States and other countries.
•Other company and product names in this manual are trademarks or registered trademarks of
their respective owners.
■Symbols Used in This Manual
•Menus, icons, buttons, windows, tabs, and keys are indicated in brackets ([ ]).
Example: Click the [OK] button.
•Cross-references are enclosed in quotations.
Example: See 3.2.1 "Marking Condition Settings" (p. 5).
Indicates instructions that must be followed to prevent hardware or software damage or
operating errors.
Indicates that incorrect operation may pose a risk of injury or damage.
Indicates additional information on a particular topic.

Chapter Overview
Chapter 1 Safety Precautions
Precautions for safe use of the marker
Chapter 2 Overview of the ML-73□□EL
Summary of fiber laser marker features
Chapter 3 Part Names and Functions
Marker part names and functions
Chapter 4 System Configuration
System configuration, constituent parts, and included accessories
Chapter 5 Unpacking
Size and mass of the marker packaging, as well as lists of package contents
Chapter 6 Installation
Marker installation requirements and instructions
Chapter 7 Starting/Stopping the Equipment
Part names, starting and stopping the equipment, and general safety precautions
Chapter 8 Marker Specifications
Detailed marker specifications
Chapter 9 Serial Interface Specifications
RS-232C communication specifications for the marker
Chapter 10 QR Code and DataMatrix Specifications
QR code and DataMatrix specifications and instructions for preparing data elements
Chapter 11 Interface Specifications
General marker interface specifications
Chapter 12 Maintenance
Marker maintenance information and instructions
Chapter
6
Chapter
1
Chapter
2
Chapter
3
Chapter
4
Chapter
5
Chapter
7
Chapter
8
Chapter
9
Chapter
10
Chapter
11
Chapter
12
A
Appendix

1
ML-73 □□ EL
Contents
■Notes
■Trademarks
■Symbols Used in This Manual
Chapter Overview
Chapter 1 Safety Precautions ............................................................... 5
1.1 Meaning of Symbols.......................................................................6
1.2 Danger, Warning, and Caution Items.............................................7
1.3 Guidelines for Normal Use...........................................................10
1.4 For Disposal.................................................................................12
1.5 Compliance (ML-73□0EL Only)....................................................12
1.6 Warning/Explanation Labels for Safety........................................13
Chapter 2 Overview of the ML-73□□EL ..............................................14
2.1 Features.......................................................................................14
■Fiber Laser Marking .....................................................................................14
■ML-73□□EL...................................................................................................14
Chapter 3 Part Names and Functions................................................16
3.1 Control Unit ..................................................................................16
■Front.............................................................................................................16
■Back .............................................................................................................18
3.2 Head Unit .....................................................................................20
■Front and Side..............................................................................................20
■Back .............................................................................................................22
Chapter 4 System Configuration ........................................................ 24
4.1 System Configuration Schematic.................................................24
4.2 Components.................................................................................25
4.3 Accessories..................................................................................25
4.4 Options.........................................................................................26
Chapter 5 Unpacking ........................................................................... 27
5.1 Moving the Container...................................................................27
■Container Size and Mass .............................................................................27
5.2 Checking the Container Contents ................................................28
■Containers....................................................................................................28

2ML-73 □□ EL
Contents
■Options.........................................................................................................28
Chapter 6 Installation .......................................................................... 29
6.1 Installation Requirements.............................................................29
■Control Unit ..................................................................................................29
■ML-73□0EL, Standard Head Unit .................................................................30
■ML-73□0EL, Water and Oil Proof Head Unit (Option)..................................31
■ML-73□3EL, Head Unit.................................................................................32
6.2 Connections .................................................................................34
Chapter 7 Starting/Stopping the Equipment ..................................... 35
7.1 Turning the Hardware On and Off................................................35
■Starting the Marker.......................................................................................35
■Stopping the Marker.....................................................................................39
7.2 Adjusting the Work Distance........................................................40
Chapter 8 Marker Specifications ........................................................ 42
8.1 Basic Specifications .....................................................................42
8.2 Marking Area Specifications.........................................................44
■ML-73□0EL................................................................................................... 44
■ML-73□3EL................................................................................................... 44
8.3 External Specifications.................................................................45
■Control Unit ..................................................................................................45
■ML-73□0EL, Standard Head Unit ................................................................. 46
■ML-73□0EL, Standard Head Unit (With the Fixing Base (Option))...............47
■ML-73□0EL, Water and Oil Proof Head Unit (Option) ..................................48
■ML-73□3EL, Head Unit.................................................................................49
■ML-73□3EL, Head Unit (With the Fixing Base (Option)) ..............................50
Chapter 9 Serial Interface Specifications ..........................................51
9.1 Cable Specifications.....................................................................51
■Pin assignments (unit side) ..........................................................................51
■Connection example: Connected to a computer ..........................................52
9.2 Communication Settings ..............................................................53
9.3 Communication Codes.................................................................54
9.4 Communications Protocol ............................................................55
■Transmission control code ...........................................................................55
■Checksum ....................................................................................................55
■Numerical notation .......................................................................................56
■String notation ..............................................................................................56
9.5 Commands...................................................................................57
■Command Details.........................................................................................58
9.6 Communication Period.................................................................72

3
Contents
ML-73 □□ EL
Chapter 10 QR Code and DataMatrix Specifications..........................73
10.1 QR Code Specifications...............................................................73
10.1.1 QR Code Symbol Specifications.......................................73
■Detailed Specifications.................................................................................74
10.1.2 Preparing Data..................................................................75
■Overview of Sample Data............................................................................. 75
■Examples of Preparing Data Elements ........................................................76
10.2 DataMatrix Specifications.............................................................79
10.2.1 DataMatrix Symbol Specifications.....................................79
■Detailed Specifications.................................................................................79
10.2.2 Preparing Data..................................................................80
■Overview of Sample Data............................................................................. 80
■Examples of Preparing Data Elements ........................................................81
Chapter 11 Interface Specifications.....................................................84
11.1 External Input and Output (EXT. I/O)...........................................85
11.1.1 Input and Output Signals...................................................85
■Input Signals.................................................................................................85
■Output Signals..............................................................................................86
11.1.2 Connection Examples .......................................................87
■When connected to an output PLC with a 24 V DC source..........................87
■When using a contact signal ........................................................................ 88
■When using an open-collector signal ...........................................................89
11.1.3 Time Chart ........................................................................90
■If the power is turned ON and OFF ..............................................................90
■During normal operations (no EEXT. I/O) ....................................................91
■If laser errors occur ......................................................................................92
■If data errors occur .......................................................................................93
■When marking is stopped............................................................................. 93
■If the counter is used (Count reset and count up enabled) ..........................94
■When counter stop is used (increment of 1).................................................95
11.2 Extended External Input and Output (EEXT. I/O) ........................96
11.2.1 Input and Output Signals...................................................96
■Input Signals.................................................................................................96
■Output Signals..............................................................................................97
11.2.2 Connection Examples .......................................................98
■When connected to an output PLC with a 24 V DC source..........................98
■When using a contact signal ........................................................................ 99
■When using an open-collector signal .........................................................100
11.2.3 Time Chart ......................................................................101
■During normal operations...........................................................................101
■During data errors (errors from unregistered layouts)................................102
11.3 Carriage Control Input and Output (AXIS. I/O)...........................103
11.3.1 Input and Output Signals.................................................104
■Input Signals............................................................................................... 104
■Output Signals............................................................................................104

4ML-73 □□ EL
Contents
11.3.2 Connection Examples .....................................................107
11.3.3 Time Chart ......................................................................108
■During 2-axis control (when using EX2).....................................................108
■During 4-axis control (when using EX4).....................................................109
■If a transfer unit error occurs (after ACK timeout)....................................... 110
■When NAK (awaiting transfer unit operation) is used.................................111
11.4 Emergency Stop (E-STOP)/Remote Interlock (REMOTE I/L)....112
11.4.1 Pin Layout .......................................................................113
■Input Signals............................................................................................... 113
■Output Signals............................................................................................113
11.4.2 Connection Examples .....................................................114
■Remote Interlock ........................................................................................114
■Emergency Stop.........................................................................................115
11.4.3 Time Chart ......................................................................117
■Remote Interlock ........................................................................................117
■Emergency Stop.........................................................................................118
Chapter 12 Maintenance...................................................................... 119
12.1 Maintenance Tasks....................................................................119
12.2 Part Replacement Schedule ......................................................120
12.3 Air Filter Inspection and Replacement .......................................122
12.3.1 Control Unit .....................................................................122
12.4 Protective Glass Inspection and Replacement ..........................123
12.4.1 Cleaning the Protective Glass.........................................123
12.4.2 Replacing the Protective Glass.......................................123
12.5 Fiber Laser Module Warranty Period .........................................125
12.6 Backup Lithium Battery Replacement........................................126
12.7 Memory Card Management .......................................................128
■Memory Card Backup.................................................................................128
■Restoring Backup Data ..............................................................................128
Appendix A Troubleshooting...............................................................130
A.1 Error Messages on the Control Unit...........................................130
A.2 Problems in Marking Results .....................................................131
A.3 If No Laser Beam Is Projected ................................................... 132
Index ...............................................................................................................133

5
ML-73 □□ EL
Safety Precautions
Before using the Laser Marker, carefully read these safety precautions to ensure correct use.
•These precautions are intended to ensure safe use of the unit and to prevent damage or personal
injury to the user and other individuals. Be sure to read all precautions; they are critical for ensuring
safe use.
•The warning symbols are defined as follows:
Incorrect operation poses imminent risk of serious injury or fatality.
Incorrect operation may pose risk of serious injury or fatality
Incorrect operation may pose risk of injury or damage.
DANGER
WARNING
CAUTION
Chapter
1

Chapter
1
6ML-73 □□ EL
Chapter 1Safety Precautions
1.1 Meaning of Symbols
These symbols indicate prohibited actions.
The symbols warn against actions that will void the terms of the warranty.
The prohibited action is depicted in a circle or illustrated in a figure or described in a statement nearby.
These symbols indicate actions users must take.
The prohibited action is depicted in a circle or illustrated in a figure or described in a statement nearby.
The symbol indicates caution for electrical shock.
The symbols indicate danger, warning, or caution items.
The prohibited action is depicted in a circle or illustrated in a figure or described in a statement nearby.