RAYLASE MINISCAN II User manual

2-Axis Subsystems
for Laser Beam Deflection
MINISCAN II

This manual has been compiled by RAYLASE for its customers and employees.
RAYLASE reserves the right to change the information contained in this manual without prior
notice.
All rights are reserved. Duplication of this manual in whole or in part, particularly by photocop-
ying, scanning or imaging, and reproduction by any means are forbidden without the prior,
written consent of RAYLASE.

Contents
MN071 / v1.0.0 2-Axis Subsystems for Laser Beam Deflection 3
CONTENTS
1BASIC SAFETY INSTRUCTIONS..................................................................................4
1.1 Laser safety.....................................................................................................................4
1.2 Laser shutter....................................................................................................................4
1.3 Signs................................................................................................................................5
1.4 Classification of laser devices.........................................................................................6
1.5 Laser area .......................................................................................................................7
1.6 Special hazards caused by mirrors made of beryllium ...................................................8
1.7 Special hazards caused by lenses made of zinc selenide..............................................8
2BASIC INFORMATION...................................................................................................9
2.1 Introduction......................................................................................................................9
2.2 Intended use....................................................................................................................9
2.3 Delivery scope.................................................................................................................9
2.4 Module overview ...........................................................................................................10
2.5 Warranty........................................................................................................................11
2.6 Manufacturer .................................................................................................................11
2.7 Customer support..........................................................................................................11
2.8 Status LEDs...................................................................................................................12
3TECHNICAL DATA.......................................................................................................13
3.1 Rating plate code ..........................................................................................................13
3.1.1 Detailed Description ......................................................................................................14
3.2 Conformity with directives .............................................................................................14
4FUNCTIONAL DESCRIPTION .....................................................................................15
4.1 Laser beam deflection unit............................................................................................15
4.2 F-Theta lens ..................................................................................................................16
4.3 Analog interface ............................................................................................................17
4.4 Digital interface..............................................................................................................18
4.5 Power supply.................................................................................................................19
5INSTALLATION............................................................................................................20
6MAINTENANCE AND CLEANING...............................................................................21
6.1 Cleaning the housing.....................................................................................................21
6.2 Cleaning the optical system ..........................................................................................21
6.2.1 Instructions for cleaning lenses and protective glasses................................................22
6.2.2 Instructions for cleaning mirrors....................................................................................22
6.2.3 Special notes for mirrors made of beryllium and lenses made of zinc selenide ...........23
7TROUBLESHOOTING..................................................................................................24
8DISPOSAL....................................................................................................................25
9APPENDIX....................................................................................................................27

Chapter 1 Basic safety instructions
4 RAYLASE 2-Axis Subsystems for Laser Beam Deflection MN072 / v1.0.0
1 BASIC SAFETY INSTRUCTIONS
1.1 Laser safety
The user is responsible for safe operation and for safeguarding the surrounding area against
hazards that can be caused by laser radiation. OEM customers must ensure compliance with
all local and national regulations.
1.2 Laser shutter
The deflection unit is designed to deflect an input laser beam and output it again. The deflec-
tion unit cannot block or weaken the laser beam. To prevent unwanted emission of the laser
beam, above a particular danger class the laser device must be fitted with a shutter
(page 6, Classification of laser devices).
The laser device must be of sufficient quality that the laser beam can only be emitted at the
beam output on the deflection unit.

Basic safety instructions Chapter 1
MN071 / v1.0.0 2-Axis Subsystems for Laser Beam Deflection 5
1.3 Signs
The following signs must be attached to the subsystem. These signs may not be removed.
Signs that have become illegible must be replaced.
The rating plate and the identification code printed on it allow
the type of the deflection unit to be determined (page 13,
Rating plate code). The serial number and the part number are
also used to identify the deflection unit.
The CE symbol confirms the deflection unit's compliance with
European directives. It indicates that the deflection unit is ap-
proved for free trade within the EU.
The seal label warns against unauthorized opening of the de-
flection unit. If the seal is broken, all warranty claims against
RAYLASE are void.
A laser warning sign must be attached at the point where
laser radiation is emitted. This provides information about the
type of radiation, specific hazards and the degree of protection.
The laser warning sign is attached by the OEM customer in
accordance with the laser device's classification (page 6,
Classification of laser devices).
In the high-speed versions of the subsystem the mirrors are
made from beryllium.
To indicate this, these subsystems are labeled with the adja-
cent sign.
Also note page 8, Special hazards caused by mirrors made
of beryllium.
Lenses for CO2 laser deflection units with linear translator
modules are made of zinc selenide.
To indicate this, these subsystems are labeled with the adja-
cent sign.
Also note page 8, Special hazards caused by lenses made
of zinc selenide.

Chapter 1 Basic safety instructions
6 RAYLASE 2-Axis Subsystems for Laser Beam Deflection MN072 / v1.0.0
1.4 Classification of laser devices
The deflection unit can be fitted on various laser devices. Every laser device is assigned to a
particular danger class, which must be specified at the point where laser radiation is emitted,
e.g. using a warning sign. The following classifications are defined in DIN EN 60825-1:
Class
Description
1
The accessible laser radiation is not dangerous under reasonable foreseeable conditions.
1M
The accessible laser radiation is in the wavelength range of 302.5 to 4,000 nm. The accessi-
ble laser radiation is not dangerous to the eyes, as long as the cross-section is not reduced
by optical instruments (magnifying glasses, lenses, telescopes).
2
The accessible laser radiation is in the visible spectrum (400 to 700 nm). Short-term expo-
sure (up to 0.25 s) is not dangers to the eyes. Additional radiation components outside the
wavelength range from 400-700 nm meet the requirements for class 1.
2M
The accessible laser radiation is in the visible spectrum from 400 to 700 nm. Short-term ex-
posure (up to 0.25 s) is not dangerous to the eyes, as long as the cross-section is not re-
duced by optical instruments (magnifying glasses, lenses, telescopes). Additional radiation
components outside the wavelength range from 400-700 nm meet the requirements for class
1M.
3R
The accessible laser radiation is in a wavelength range of 302.5 to 10,600 nm and is danger-
ous to the eyes. The power or energy is a maximum of five times the limit for permissible
class 2 radiation in the wavelength range from 400 to 700 nm.
3B
The accessible laser radiation is dangerous to the eyes and frequently to the skin.
4
The accessible laser radiation is extremely dangerous to the eyes and dangerous to the skin.
Even diffuse scattered radiation can be dangerous. The laser radiation can cause fires or a
risk of explosion.
Note: Bear in mind that the deflection unit changes the position at which the beam is emitted
and the new beam output must be marked with a warning sign showing the appropriate classi-
fication.
Note: The deflection unit can change the classification of the laser device, particularly if it is
fitted with a focusing lens. The laser device may require additional protective equipment as a
result.

Basic safety instructions Chapter 1
MN071 / v1.0.0 2-Axis Subsystems for Laser Beam Deflection 7
1.5 Laser area
For the purposes of accident prevention, the laser area is defined as the area in which the
maximum permitted radiation value can be exceeded. This is generally applicable for class
3B, 3R and 4 lasers. For class 1 to 2M laser devices, a laser area can be produced by focus-
ing the laser beam.
A sufficient beam intensity produces a laser area that covers the entire radiation angle of the
deflection unit and includes the reflection from all objects that can be exposed to the radiation
as a result. Note that even apparently diffuse surfaces can reflect laser radiation and a laser
beam that has been reflected several times can still be dangerous.
The laser area must be indicated by corresponding warning signs or lamps and protected by
appropriate shading and interlock switches.
No flammable or explosive objects or liquids should be located in the laser area.
This operating manual interprets a selection of accident prevention regulations from the point
of view of using laser deflection units in industrial plants. However, the applicable local and
national standards, rules and regulations are binding.
laser shutter
RAYLASE
deflection unit
cover
reflected laser beam
deflected laser beam
working surface
Laser area

Chapter 1 Basic safety instructions
8 RAYLASE 2-Axis Subsystems for Laser Beam Deflection MN072 / v1.0.0
1.6 Special hazards caused by mirrors made of beryllium
Beryllium mirrors can be destroyed by improper loading. This can lead to a release of berylli-
um dusts. These dusts can cause cancer, are toxic if swallowed and very toxic by inhalation.
Please observe the specified maximum applicable laser power in the data sheet.
Please note also, that soiled mirrors strengthen the absorption of laser power and thereby
increase the risk of destruction of the mirror.
page 23, Special notes for mirrors made of beryllium and lenses made of zinc selenide
1.7 Special hazards caused by lenses made of zinc selenide
Zinc selenide lenses can be destroyed by improper loading.This can lead to release of dust
with hydrogen selenide and selenium dioxide. These dusts can cause cancer, are toxic if
swallowed and very toxic by inhalation.
Please observe the specified maximum applicable laser power in the data sheet.
Please note also, that soiled lenses strengthen the absorption of laser power and thereby
increase the risk of destruction of the lens.
Therefore it is essential to ensure suitable suction in the production environment. In addition,
the outer protective glass of the F-Theta lens must be checked for dirt regularly and cleaned if
necessary. For non-removable deposits and after wear, which is caused by frequent cleaning,
the protective glass of the F-theta lens should be replaced.
page 23, Special notes for mirrors made of beryllium and lenses made of zinc selenide

Basic information Chapter 2
MN071 / v1.0.0 2-Axis Subsystems for Laser Beam Deflection 9
2 BASIC INFORMATION
2.1 Introduction
Chapters 1 to 8 of this operating manual describe the general handling of deflection units from
the following series: MINISCAN II. See the data sheet in the appendix for the different fea-
tures. For details of the type you are using, refer to the rating plate.
This operating manual contains important information on qualified and safe handling of the
deflection unit. You should therefore familiarize yourself with the content of this manual before
using the deflection unit for the first time. In case of any queries, please contact RAYLASE.
The operating manual must be accessible to anyone who will be involved in developing, in-
stalling or using a laser device featuring the RAYLASE deflection unit. If the deflection unit is
sold on, this operating manual or an authorized copy must be passed on with it.
2.2 Intended use
The deflection unit is developed for two-dimensional deflection and focus laser radiation in a
suitable working range. If the materials to be processed generate toxic fumes, a secure suc-
tion must be ensured.
The deflection unit is designed for use in industrial environment and for use by trained profes-
sionals exclusively. It is made as a subassembly for laser devices. The deflection unit should
be operated only with the specified wavelengths, laser power and beam diameters listed in
the corresponding data sheet.
2.3 Delivery scope
Standard:
Deflection unit
Optional:
F-Theta lens, protection window
Control card
Connecting cable between control card and deflection unit
Software package

Chapter 2 Basic information
10 RAYLASE 2-Axis Subsystems for Laser Beam Deflection MN072 / v1.0.0
2.4 Module overview
The illustration below shows three typical laser devices that are equipped with RAYLASE and
customer-specific (indicated by dotted lines) modules.
RAYLASE SP-ICE control card
or
RAYLASE RLC-PCI control card
PC
Driver for RAYLASE control cards
Software:
RAYLASE weldMARK
or
RAYLASE RLScribe
or
customer-specific software Power supply
RAYLASE
Deflection unit
Laser system
RAYLASE
RLC-USB unit
PC
USB port
Driver for RAYLASE control cards
Software:
RAYLASE weldMARK
or
RAYLASE RLScribe
or
customer-specific software Power supply
RAYLASE
Deflection unit
Laser system
RS232
Driver for RAYLASE control cards
Software:
RAYLASE weldMARK
or
RAYLASE RLScribe
or
customer-specific software
PC
RAYLASE
SP-ICE control card
Power supply
Stand-alone hardware RAYLASE
Deflection unit
Laser system
Fig. 1
Module overview