IPG YLS-K Series Operational manual

High Power Fiber Laser
Series YLS-K
Output power 1 to 3kW
Translation of the Original Operating Manual
Installation, Operation and Maintenance
Document Number: G21-550064-000
Date: 25.10.2018

3YLS-K
Table of contents
1 General information ............................................................................ 7
1.1 Manufacturer.......................................................................................7
1.2 EU Declaration of Conformity ......................................................7
1.3 Target groups for this operating manual................................8
1.4 Warranty ...............................................................................................8
1.5 Formal information about the operating manual................9
1.6 Presentation of safety instructions......................................... 10
1.7 Layout conventions ....................................................................... 13
1.8 Directory of abbreviations.......................................................... 14
1.9 Licensing agreements................................................................... 15
2 Safety.......................................................................................................18
2.1 Safety instructions ......................................................................... 18
2.2 Intended use ..................................................................................... 18
2.3 Non-intended use ........................................................................... 19
2.4 Obligations of the system owner ............................................. 19
2.5 Responsibility of the operating personnel .......................... 20
2.6 Personnel qualifications.............................................................. 20
2.7 Safety-conscious working........................................................... 21
2.8 Personal protective gear ............................................................. 21
2.9 Specific dangers............................................................................... 22
2.9.1 Electrical energy........................................................................22
2.9.2 Laser radiation ...........................................................................22
2.9.3 Gas and particle emission......................................................23
2.9.4 Sound level...................................................................................23
2.10 Safety equipment............................................................................ 24
2.10.1 E-Stop button ..............................................................................25
2.10.2 External safety interface ........................................................25
2.10.3 Fiber break monitoring ..........................................................26
2.11 Warning labels................................................................................. 26
2.12 Independent alteration or replacement parts procure-
ment ..................................................................................................... 27
3 Device description..............................................................................28
3.1 Functional principle ...................................................................... 28
3.2 Overview ............................................................................................ 30
3.2.1 Operating elements ..................................................................31

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3.2.2 Interfaces and connections ....................................................32
3.2.3 Fiber connector...........................................................................32
3.2.4 Main components.......................................................................34
3.2.5 Electrical mounting plate........................................................35
4 Delivery and transport ......................................................................36
4.1 Scope of delivery.............................................................................. 36
4.2 Delivery and transport.................................................................. 36
4.2.1 Unloading.......................................................................................37
4.2.2 Unpacking the product.............................................................38
4.2.3 Transport to the installation site.........................................38
4.3 Returning the product................................................................... 42
5 Assembly and installation ................................................................43
5.1 Space requirements and room conditions............................ 44
5.2 Supply connections......................................................................... 44
5.2.1 Supply voltage .............................................................................44
5.2.2 Cooling water supply................................................................45
5.3 Set up the product........................................................................... 45
5.4 Running lines and fibers............................................................... 45
5.5 Connecting the product ................................................................ 46
5.5.1 Connecting the supply voltage .............................................47
5.5.2 Connecting the external interfaces.....................................50
5.5.3 Connecting the fiber connector to the process optics
............................................................................................................51
5.5.4 Connecting the water supply ................................................52
5.6 Installing the software................................................................... 55
6 Acceptance and commissioning......................................................56
6.1 Visual inspection.............................................................................. 56
6.2 Work to be performed before commissioning.................... 56
6.3 Transfer to operation..................................................................... 57
6.4 Recommissioning ............................................................................ 57
7 Operation................................................................................................58
7.1 Operating modes.............................................................................. 58
7.2 Switching on/off .............................................................................. 59
7.3 Switching on the laser power supply...................................... 61
7.4 TEST mode ......................................................................................... 62
7.4.1 Working without the laser program ..................................63
7.4.2 Working with the laser program.........................................64
7.4.3 External control ..........................................................................64
7.4.4 Analog control .............................................................................66

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7.5 ROBOT mode .................................................................................... 67
8 LaserNet software...............................................................................70
8.1 System requirements.................................................................... 70
8.2 Installing the software.................................................................. 70
8.3 Establishing a connection to the laser................................... 74
8.4 Starting LaserNet............................................................................ 76
8.5 LaserNet user interface................................................................ 77
8.6 LaserNet menu description........................................................ 78
8.6.1 File menu ......................................................................................80
8.6.2 Configuration menu .................................................................81
8.6.3 View menu....................................................................................90
8.6.4 Extras menu.................................................................................91
8.6.5 Help menu ....................................................................................93
8.7 LaserNet status indicators.......................................................... 93
8.8 LaserNet tabs.................................................................................... 93
8.8.1 Status tab ......................................................................................93
8.8.2 Alarms tab ....................................................................................95
8.8.3 Warnings tab...............................................................................96
8.8.4 Control tab....................................................................................97
8.8.5 Events tab .....................................................................................99
8.8.6 Logfiles tab................................................................................100
8.8.7 Power supply tab....................................................................101
8.8.8 Chiller tab ..................................................................................102
8.8.9 Dew point tab...........................................................................104
8.8.10 Hardwiring tab ........................................................................105
8.8.11 Modules tab...............................................................................105
8.9 LaserNet program editor ......................................................... 106
8.9.1 LaserNet program editor editing window...................107
8.9.2 Command list for laser programs....................................108
8.9.3 Laser program editor command descriptions...........110
9 Maintenance ...................................................................................... 112
9.1 Maintenance work ...................................................................... 113
9.1.1 Clean fiber connectors .........................................................113
9.1.2 Measuring the laser output power .................................121
9.1.3 Measuring the beam quality..............................................122
9.1.4 Checking the water outlet...................................................123
9.2 Replacement and repair work ............................................... 125
9.2.1 Replacing a laser module....................................................126
9.2.2 Replacing the feeding fiber ................................................126
9.3 Maintenance of the water system (IPG chiller).............. 127
10 Messages and troubleshooting.................................................... 128

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10.1 Information about message displays....................................128
10.2 Status messages, warnings and alarms................................128
10.3 Troubleshooting.............................................................................128
10.4 Manufacturer’s service................................................................129
10.4.1 Behavior in the event of malfunctions ...........................129
10.4.2 Downloading the log files via LaserNet .........................131
10.4.3 Downloading the events file via LaserNet....................135
10.4.4 Downloading the configuration overview via LaserNet
.........................................................................................................136
10.4.5 Updating the firmware and product configuration..138
10.4.6 Resetting critical errors........................................................139
11 Decommissioning and disposal ................................................... 141
11.1 Temporary decommissioning..................................................141
11.2 Permanent decommissioning...................................................142
11.3 Disposal..............................................................................................143
12 Appendix..............................................................................................144
12.1 Status messages, warnings and alarms................................144
12.1.1 Messages of the Status tab...................................................145
12.1.2 Messages of the Alarms tab.................................................148
12.1.3 Messages of the Warnings tab ...........................................157
12.1.4 Messages of the Control tab................................................161
12.2 Technical data.................................................................................162
12.2.1 Scale drawings..........................................................................162
12.2.2 Rating plate of the laser........................................................164
12.2.3 Dew point temperatures......................................................164
12.3 EU Declaration of Conformity ..................................................166

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1 General information
This operating manual enables safe and efficient operation of the prod-
uct “high power fiber laser” (hereafter referred to as the product).
This operating manual is an integral part of the product and contains all
important information about the assembly, start-up, operation and
maintenance of the product.
The operating and maintenance personnel must have carefully read and
understood this operating manual before beginning any work.
The safety instructions in this operating manual must be followed. Fail-
ure to follow the safety instructions can lead to personal injuries, dam-
age to the device or environmental damage.
ðThis operating manual must be kept in the product’s immediate
vicinity and accessible to the operating personnel at all times.
1.1 Manufacturer
Registered office
in Germany
IPG Laser GmbH
Carl-Benz-Straße 28
57299 Burbach
Tele-
phone:
[phone]
Fax: [phone]
Internet: www.ipgphotonics.com
Sales Tele-
phone:
[phone]
Email: [email protected]
Customer service Tele-
phone:
[phone]
Email: [email protected]
1.2 EU Declaration of Conformity
The Declaration of Conformity of the product can be found in the ap-
pendix to this operating manual.
 | General information

 | General information
8YLS-K
1.3 Target groups for this operating manual
The translation of the original operating manual for the product was
created by IPG Laser GmbH for the operating and maintenance person-
nel of the system owner.
The operating personnel must have corresponding vocational training
and be trained in the operation of the product (see Personnel qualifica-
tions [}20]).
The maintenance personnel are responsible for the assembly/installa-
tion, maintenance and repair. The personnel must have been trained in
maintenance of the product by IPG Laser GmbH or another competent
IPG branch office. Successful participation in the training is confirmed
with a certificate (see Personnel qualifications [}20]).
1.4 Warranty
IPG Laser GmbH offers a warranty for all of its products with regard to
material and manufacturing defects for the period specified in the appli-
cable purchase contract or in the specifications. The warranty period
begins on the date of delivery agreed upon in the purchase contract.
In addition, IPG Laser GmbH guarantees that this product satisfies all
applicable specifications in normal operation.
During the warranty period, IPG Laser GmbH may choose to repair or
replace a product that is found to be defective in the opinion of IPG
Laser GmbH with regard to material and manufacturing defects.
Warranty period The warranty period for all products repaired or replaced during the
warranty period is limited to the remaining period of the original war-
ranty period and is only offered for the individual defective product.
IPG Laser GmbH reserves the right to issue a credit for all defective
products that have proven to be faulty during normal operation.
ðContact qualified IPG personnel for all maintenance work. All in-
quiries in connection with repairs or replacements within the
framework of this warranty must be made immediately after the
defect was discovered; such inquiries must be made directly to
IPG Laser GmbH or its local representative.
Driver software Current and future software is subject to the non-exclusive licensing
conditions of IPG Laser GmbH. Using the software automatically consti-
tutes acceptance of the licensing conditions.
Service and re-
pairs
When sending back components / products, observe the following in-
structions:

9YLS-K
• Never send the product back to IPG Laser GmbH without enclos-
ing a valid RMA number (Return Material Authorization). The
RMA number can be obtained from the Service department of IPG
Laser GmbH.
• The costs for repair of the product will be invoiced to the cus-
tomer if the product or repair is not covered under the warranty.
• Articles that are sent back to IPG Laser GmbH upon request must
be shipped in a suitable container / packaging.
Protection class Voiding of the warranty
The specified IP protection classes apply only for the
closed cabinet and with use of the connections and
couplings provided.
ðAlways keep the cabinet closed during opera-
tion.
ðDo not make any mechanical alterations to the
connections.
The IP protection classes specified in the specifications apply to the
electrical and electronic components of the product. Mechanical
changes can lead to a lower protection class, thereby voiding the war-
ranty.
Reservation of
the right to make
amendments
IPG Laser GmbH reserves the right to make changes to the design or
construction of its products at any time without any obligation to imple-
ment or install these changes in units purchased at an earlier point in
time.
1.5 Formal information about the operating
manual
IPG Laser GmbH grants no usage rights, either directly or indirectly, un-
der a patent or other industrial property rights or copyright on the ba-
sis of the use of information provided in this document.
Copyright 2018 IPG Laser GmbH. All rights reserved. It is prohibited to
reproduce this publication, share it with third parties, store it in re-
trieval systems or adapt it in any way whatsoever without the express
written authorization of IPG Laser GmbH.
IPG Laser GmbH believes that the information provided is correct and
reliable. IPG Laser GmbH provides no warranty of any kind, except with
regard to the information in this document, including the assurance of
suitability for general or specific use. Furthermore, IPG Laser GmbH ac-
 | General information

 | General information
10 YLS-K
cepts no responsibility for the use of information in this document, for
patent violations or rights of third parties that result from the use of
this information.
Trademarks Designations that serve as trademarks retain their legal status with or
without labeling as trademarks.
Service In the event of errors that cannot be rectified using this operating man-
ual, please contact the competent IPG service department.
Accompanying
documents
In addition to this operating manual, the complete documentation in-
cludes the following:
• Commissioning report
• Circuit diagram
• Layout of the installation panel
• Accessories list
• Technical data
• Declaration of Conformity
Additional system documents in accordance with contractual agree-
ments.
1.6 Presentation of safety instructions
Warnings • protect against possible injuries and property damage.
• indicate the magnitude of the danger by means of the signal
word.
• indicate the risk of personal injury with the danger symbol.
• describe the type and source of the danger.
• state the risk and possible consequences.
• present measures for avoiding dangers and prohibit specific ac-
tions.
General warning WARNING
Type and source of the danger
Causes and possible consequences if not heeded
ðMeasures to prevent the danger / prohibitions
Result of the measure (optional)