2-AXIS DEFLECTION UNITS Translation of the original manual

MINISCAN II
MINISCAN II-07, MINISCAN II-10, MINISCAN II-14, MINISCAN II-20
This manual has been created by RAYLASE for its customers and employees.
RAYLASE reserves the right to modify the product described in this manual and the information it contains
without prior notification. All rights reserved. Duplication of this manual, including extracts – particularly
by photocopying, scanning or photographing – and any other form of reproduction is only permitted with
the prior written approval of RAYLASE.

Information correct at: 2018/01

 CONTENTS

CONTENTS
1 ABOUT THIS MANUAL__________________________________ 5
1.1 Basic information ................................................................................................................. 5
1.2 Display conventions ............................................................................................................. 5
1.3 Other applicable documents ................................................................................................ 5
1.4 Manufacturer ........................................................................................................................ 6
1.5 Customer service ................................................................................................................. 6
1.6 Warranty .............................................................................................................................. 6

2 GENERAL SAFETY INFORMATION ______________________ 7

2.1 Designated use .................................................................................................................... 7
2.2 Foreseeable misuse ............................................................................................................ 7
2.3 Classification of laser systems............................................................................................. 8
2.4 Laser area ............................................................................................................................ 9
2.5 Hazards due to laser radiation ........................................................................................... 10
2.6 Required training and instruction of operating personnel .................................................. 11
2.7 Required protection measures .......................................................................................... 11
2.8 Behaviour in case of destroyed ZnSe lenses .................................................................... 11

3 PRODUCT DESCRIPTION ______________________________ 12

3.1 Items included, accessories and spare parts .................................................................... 12
3.2 General description ............................................................................................................ 12
3.3 Product versions ................................................................................................................ 15
3.4 Example uses .................................................................................................................... 15
3.5 Signage .............................................................................................................................. 16
3.6 Technical data ................................................................................................................... 17
3.7 Lifespan ............................................................................................................................. 21

4 INSTALLATION _______________________________________ 22
4.1 Safety during installation.................................................................................................... 22
4.2 Installation location ............................................................................................................ 23
4.3 Preparing for installation .................................................................................................... 23
4.4 Installing the lens ............................................................................................................... 23
4.5 Installing the deflection unit ............................................................................................... 23
4.6 Completing installation ....................................................................................................... 23

5 START-UP ____________________________________________ 24
5.1 Safety during start-up and operation ................................................................................. 24
5.2 Checking the installation .................................................................................................... 25
5.3 Start-up .............................................................................................................................. 25

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 CONTENTS

6 MAINTENANCE _______________________________________ 26
6.1 Cleaning ............................................................................................................................. 26
6.2 Servicing ............................................................................................................................ 27

7 UNINSTALLING _______________________________________ 28
7.1 Safety when uninstalling .................................................................................................... 28
7.2 Uninstalling the deflection unit ........................................................................................... 28

8 STORAGE ____________________________________________ 29

9 TRANSPORTATION ___________________________________ 30

10 DISPOSAL ____________________________________________ 31

11 TROUBLESHOOTING __________________________________ 32

INDEX ____________________________________________________ 33

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 1 ABOUT THIS MANUAL

1 ABOUT THIS MANUAL

1.1 Basic information
This manual provides general information about handling MINISCAN II series deflection units. In
subsequent chapters, the general designations “deflection unit” or “product” are used to refer to the
MINISCAN II. The product version is indicated by the type code on the rating plate (see page16,
Signage).
This manual contains important information about professional and safe handling of the deflection
unit. As a result, you should familiarise yourself with the content of this manual before starting to use
the deflection unit. In case of any queries, please contact RAYLASE Customer Service for information
(see page 6, Customer service).
The manual must be accessible to anyone involved in developing, installing, uninstalling or using a
laser system with a RAYLASE deflection unit. If the deflection unit is sold on, this manual or an
authorised copy must be passed on with it.

1.2 Display conventions

The signal word WARNING indicates hazards that can lead to injuries or damage unless
precautionary measures are taken.

The signal word NOTE indicates general precautionary measures to be observed when handling the
product to prevent damage to the product itself.

 Bullet points in a list are shown with a square at the beginning of the line.
Instructions are introduced with an objective and are shown with numbered actions. If necessary, an
intermediate result and a final result are specified.
1. First instruction
2. Second instruction
 An intermediate result is represented by an arrow symbol.
3. Further instruction
 An end result is represented by a tick.

1.3 Other applicable documents

 Declaration of incorporation
 Production log
 Manuals for optional accessories

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 1 ABOUT THIS MANUAL

1.4 Manufacturer
RAYLASE GmbH
Argelsrieder Feld 2+4
82234 Wessling
Germany
T: +49.8153.88 98-0 | F: +49.8153.88 98-10
www.raylase.de | info@raylase.de
Referred to in this text as RAYLASE.

1.5 Customer service

The USB stick supplied contains the manual and answers numerous questions about RAYLASE
products. If any questions are not answered, RAYLASE Customer Service will be pleased to assist:
Monday to Friday between 08:00 and 17:00
Germany (Wessling)
T: +49.8153.88 98-0 | F: +49.8153.88 98-10
support@raylase.de

China (Shenzhen)
T: +86.755.2824-8533 | F: +86,755.8222-8193
info@raylase.cn

1.6 Warranty
The customer's rights in the event of any material or legal defects in the product are set out in
RAYLASE’s general terms and conditions of business. These can be viewed at:
https://www.raylase.de/en/terms-and-conditions.html
RAYLASE GmbH has no obligation to repair any defects occurring under the following circumstances:
 If the product has been operated outside the specifications.
 If unauthorised repairs have been carried out on the product.
 If unauthorised modifications have been made to the product.
 If the product has been connected to non-compatible devices.
 If the product has been damaged by unacceptably high laser power or by focusing the laser on
optical surfaces.
 If the product has been damaged by unqualified cleaning of the optics.
 If the warranty has elapsed.
There is no implicit guarantee or warranty regarding suitability for particular purposes. RAYLASE is not
responsible for damage resulting from the application. Individual assemblies or other assemblies
manufactured by RAYLASE may be subject to different warranty terms. Further information can be
found in the corresponding manuals.

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 2 GENERAL SAFETY INFORMATION

2 GENERAL SAFETY INFORMATION

2.1 Designated use
The deflection unit is intended to deflect laser radiation within an appropriate operating range for the
purposes of material processing.
The deflection unit is designed as a sub-assembly for laser systems and is classed as an incomplete
machine as defined in the Machine Directive. Each product version may only be operated with the
wavelength specified in the type code and with the specified beam diameter (see page 16, Signage).
Depending on the version, the MINISCAN II is designed for lasers with wavelengths of 193 nm to
11,000 nm, and an input aperture of 7, 9, 14 or 20 mm.

2.2 Foreseeable misuse

Foreseeable misuse includes the following:
 Use of the deflection unit outside the specifications set out in this manual (see page 17, Technical
data).
 Failure to comply with generally recognised technical regulations, as well as electrical engineering,
optical mechanical and laser technology directives, laws and standards.
 Lack of or unsuitable fume extraction during material processing.
 Lack of or unqualified process monitoring during material processing.
 Use of the deflection unit with unsuitable laser protection measures.
 Working on the deflection unit without or with unsuitable protective equipment.
 Processing of flammable materials.
 Installation, operation, maintenance and repair by unqualified personnel.

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 2 GENERAL SAFETY INFORMATION

2.3 Classification of laser systems

The deflection unit can be installed on a range of different laser systems. Every laser system is assigned
to a laser class, which must be specified at the output location of the laser radiation (e.g. using a laser
warning sign).
The following laser classes are defined in DIN EN 60825-1 and described in DGUV Regulation 11:
Class Description
1 The accessible laser radiation is not dangerous under reasonably foreseeable conditions.
1M The accessible laser radiation is in the wavelength range 302.5 nm to 4,000 nm. The accessible laser
radiation is not dangerous to the eyes, provided the beam cross-section is not reduced by optical
instruments (e.g. magnifiers, lenses, telescopes).
2 The accessible laser radiation is in the visible spectral range (400 nm to 700 nm). Short exposure times
(up to 0.25 s) are not dangerous to the eyes. Additional beam components outside the wavelength
range 400 nm to 700 nm meet the conditions for Class 1.
2M The accessible laser radiation is in the visible spectral range 400 nm to 700 nm. Short exposure times
(up to 0.25 s) are not dangerous to the eyes, provided the beam cross-section is not reduced by optical
instruments (e.g. magnifiers, lenses, telescopes). Additional beam components outside the wavelength
range 400 nm to 700 nm meet the conditions for Class 1M.
3R The accessible laser radiation is in the wavelength range 302.5 nm to 106 nm and is dangerous to the
eyes. The power or energy is a maximum of five times the permitted Class 2 radiation limit in the
wavelength range 400 nm to 700 nm and five times the Class 1 limit for other wavelengths.
3B The accessible laser radiation is dangerous to the eyes and frequently also to the skin.
4 The accessible laser radiation is very dangerous to the eyes and dangerous to the skin. Diffusely
scattered radiation can also be dangerous. The laser radiation can cause a risk of fire and explosion.

Note that the deflection unit changes the beam output location of the laser system. The new beam
output must be indicated by a laser warning sign on the deflection unit, stating the corresponding
classification.
The use of a deflection unit can change the laser system’s laser class. This can necessitate additional
protective measures.

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 2 GENERAL SAFETY INFORMATION

2.4 Laser area

For the purposes of accident prevention, the laser area refers to the area in which the maximum
permitted radiation value can be exceeded. Laser systems must be assigned and marked according to
their laser class and use. X2 -0 10.1

With a corresponding beam intensity, the laser area is defined by the total radiation angle of the
deflection unit and by the reflection of all objects that can be irradiated by it. It is important to note
that, in addition to reflective surfaces, matt and dark surfaces can also reflect laser radiation and that a
laser beam reflected several times can still be dangerous. In addition, the deflection unit can be
destroyed by back reflection. X2- 010. 2

The laser area must have permanently and legibly attached markings in accordance with
DIN EN 60825-1. Laser systems must be fitted with the protective mechanisms required for safe
operation according to their class and use. X2 -010 .3

No combustible or explosive objects and liquids may be located in the laser area, as the energy of the
laser beam could ignite them. X2 -01 0.4

1 Laser 5 Deflected laser beam

2 Protective housing 6 Reflected laser beam
3 Beam stop or attenuator (shutter) 7 Laser area
4 Deflection unit 8 Processing area (example)

Fig. 1: Laser area

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 2 GENERAL SAFETY INFORMATION

2.5 Hazards due to laser radiation

WARNING
This chapter describes hazards that can result due to interaction with the higher-level laser system.
The operator of the higher-level laser system is responsible for safe operation and for securing the
surrounding area to prevent hazards that can be caused by laser radiation. They must ensure
compliance with all applicable conditions, regulations, laws, standards and directives. X 2-02 0

2.5.1 General safety measures

The following general safety measures are to be observed:
 To ensure that the laser beam is immediately switched off in the event of a fault, the laser process
must always be monitored. Alternatively, the entire beam path can be in a radiation-proof housing. X2- 030 .1

 The laser system must be designed in such a way that the laser beam can only be emitted at the
beam output on the deflection unit. X 2-0 30. 2

 Appropriate protection mechanisms must be in place to prevent unauthorised activation or use of

the laser system. X 2- 030. 3

 The maximum permitted input beam diameter may not be exceeded. X2-03 0.4

 If the materials to be processed can result in toxic vapours, safe extraction of these must be
ensured. Oxidising material processing and processing with material removal that is precipitated
onto the optics must be handled properly. X 2-0 30. 5

2.5.2 Measures to prevent uncontrolled escape of laser radiation.

If the mirrors in the deflection unit are destroyed, the laser beam no longer exits the deflection unit at
the intended beam output but remains inside the deflection unit. This leads to heating and, in some
cases, destruction of the housing and can lead to uncontrolled escape of the laser beam. X2 -040

To prevent destruction of the mirrors, the following points must be observed:

 At the laser beam input, it is essential that the laser beam strikes the centre of the mirrors. If the
laser beam strikes a mirror towards the edge, the mirror can be overheated and destroyed. X2 -04 0.1

 To prevent a loss of control, the plug connections to the deflection unit may only be disconnected
when the laser system and the power supply are switched off. X2 -04 0.2

 The deflection unit should always be operated with a lens or protective window. X2- 040. 3

 The maximum permitted laser power may not be exceeded. X2- 040 .4

 The deflection unit must be installed in such a way that the mirrors cannot come into contact with
liquids. Liquids change the reflective properties of the mirrors, which can lead to them being
destroyed by the laser beam. X2- 040. 5

 Before processing highly reflective materials, RAYLASE must be contacted as reflections can lead to
the destruction of the deflection unit. X2- 040 .6

 In general, correct and careful handling of the optical components must be ensured, particularly
during maintenance and cleaning work. Contaminated or scratched optics can absorb
unacceptable amounts of laser power and thus be destroyed. X2- 040 .7

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 2 GENERAL SAFETY INFORMATION

2.6 Required training and instruction of operating personnel

The deflection unit is designed exclusively for use in an industrial environment. X2- 050. 1

Start-up, operation, installation, maintenance and repairs may only be carried out by trained personnel
who have been instructed by the laser protection officer and are sufficiently qualified to perform the
relevant work.X2-050 .2

2.7 Required protection measures

If present in the laser area, protective equipment such as laser protection goggles or special protective
clothing may be required. The required protective equipment is stipulated by the laser protection
officer based on the individual hazards caused by the laser equipment. The laser area must be marked
so that the required protective equipment is clearly indicated to all personnel who intend to enter the
laser area.

2.8 Behaviour in case of destroyed ZnSe lenses

Only for deflection
units with WARNING
ZnSe F-Theta lens
Zinc selenide properties hazardous to health
 Destruction of zinc selenide lenses can result in dust containing hydrogen selenide and selenium
dioxide. This dust can be carcinogenic and is very toxic when inhaled. 0 2-0 10

To improve the optical properties of the material, zinc selenide is frequently given an anti-reflective
coating that may contain thorium fluoride. Thorium is a radioactive element. The quantity of thorium
contained in the coating and the relative size of the decomposed area of the lens surface mean that,
even in the worst cases, the resulting radioactive exposure levels are normally well below the limits set
out in the Radiological Protection Ordinance.
If lenses are damaged:
1. Switch off the laser system immediately.
2. Leave the room for at least 30 minutes.
3. Never remove the lens or the protective window from the deflection unit. Toxic dust or fragments
may have been produced in the deflection unit.
4. If the deflection unit should be opened and fragments fall out, the fragments must only be
collected up using appropriate protective clothing and breathing apparatus and disposed of as
hazardous material in line with the applicable conditions, regulations and legislation.
5. Label the defective deflection unit with a clear warning notice and send the deflection unit to
RAYLASE in air-tight protective packaging.
6. The personnel charged with uninstalling the deflection unit must wear appropriate protective
clothing and breathing apparatus.
7. The room in which the zinc selenide lens was destroyed must be adequately cleaned,
decontaminated and ventilated.
8. Wear gloves and mouth protection when carrying out the subsequent tasks.
9. Carefully collect all fragments and pack them in an air-tight sealable container.
10. Clean all contaminated system components and surfaces with a damp cloth and pack the cleaning
cloths in an air-tight sealable container.
11. Send the containers to the supplier of the optics. They are responsible for proper disposal of the
material.

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 3 PRODUCT DESCRIPTION

3 PRODUCT DESCRIPTION
3.1 Items included, accessories and spare parts
The items included are typically:
 Deflection unit
 USB stick containing manual, declaration of incorporation and design data
 Production log
The deflection unit can be expanded with the following optional components:
 F-Theta lens
 Control card
 Adapter card / interface electronics between control card and deflection unit
 Software package

3.2 General description

3.2.1 Deflection unit
The deflection unit can be used to deflect a laser beam in the X and Y direction. This results in a two-
dimensional area in which the laser can be directed to any position. This area is referred to as the
processing area. Deflection is performed by two mirrors, each of which is moved by a galvanometer
scanner.
The beam output can be fitted with an optional focusing lens (see page 14, F-Theta lens).

NOTE
 On the input side, the laser beam must be input precisely into the optical axis (see page 22,
Installation). C1-0 70. 1

 Only suitable lasers may be input (see page 16, Signage). C 1-07 0.2

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 3 PRODUCT DESCRIPTION

1 Beam input 4 Beam output

2 Galvanometer scanner with mirror 5 Processing area
3 Galvanometer scanner with mirror

Fig. 2: Functional principle

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 3 PRODUCT DESCRIPTION

3.2.2 F-Theta lens

Optional The optional F-Theta lens is specially designed for use with 2-axis deflection units. It focuses the laser
beam at maximum quality on any position in the processing area. At the same time, it partially optically
compensates for the barrel-shaped distortion that is unavoidably produced by 2-axis deflection units.
The remaining distortion (see figure) must be compensated by the deflection unit.

Distortion caused by XY Distortion caused by F-Theta Distortion caused by XY

deflection lens deflection with F-Theta lens

3.2.3 Connections
The MINISCAN II has the following connections:
 to a laser system (mechanical and optical)
 to a focusing unit (e.g. F-Theta lens)
The power supply and control use the analogue or digital interface depending on the product version
(see page 19 ff.).

NOTE
 Controlled deflection is only possible if the specified power supply is connected. In addition
proper control using the specified control commands must be guaranteed at all times. C1-06 0

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 3 PRODUCT DESCRIPTION

3.3 Product versions

Every deflection unit in the MINISCAN II series is configured for the parameters defined when ordering
and can only be used within these parameters. The parameters are specified in the type code on the
rating plate. Further information on the specifications on the rating plate can be found on the Internet
at:
https://www.raylase.de/_Resources/Persistent/fbae382eda8e3adf8f0dbb63b764a51e624e926c/Produc
t_Naming_V05_P.pdf

3.4 Example uses

The following graphic shows two typical laser systems realised using RAYLASE modules (red outline)
and customer-specific modules (dotted lines).

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 3 PRODUCT DESCRIPTION

3.5 Signage
The signs listed below must be attached to the deflection unit. These signs must not be removed. Any
signs that become illegible must be replaced.
The rating plate and the type code printed on it allow key properties of
the product to be determined (see page 15, Product versions). The
rating plate contains at least the following information:
 Company name and address
 Product designation
 Series
 Wavelength for which the product is designed
 Serial number
 Year of production (month)
The series and serial number are also used to identify the product.
The protective seal warns against unauthorised opening of the product.
If the seal is broken, all warranty entitlements against RAYLASE are
rendered void.

Describes the most important safety measures to be followed before

maintenance work is carried out.

A laser warning sign must be attached at the beam output, providing

information about the type of radiation, the specific hazards and the
protection class. The laser warning sign must be attached in line with
DIN EN 60825-1, see page 8, Classification of laser systems, by the
manufacturer of the laser system.

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 3 PRODUCT DESCRIPTION

3.6 Technical data

3.6.1 General specifications
Typical deflection ±0.393 rad
Resolution 12 μrad
Repeatability (RMS) 2 μrad
Max. Gain drift 1 15 ppm/K
Max. Offset drift 1 10 μrad/K
Long-term drift 8 h1, 2 <150 μrad
IP-Code 54
Emission sound pressure level <70 dB(A)
1) Drift per axis.
2) After 30 min warm-up, at constant ambient temperature and process stress.
Remark: All angles optical.

3.6.2 Power supply

Voltage ±15 to ±18 V
Current 2 A, RMS, max. 10 A
Ripple/ Noise Max. 200 mVpp, @ 20 MHz bandwidth

3.6.3 Control signals

Analogue ±5 V, ±10 V
Digital XY2-100 protocol

3.6.4 Ambient conditions

Ambient temperature at operation +15 to +35 °C
Storage temperature -10 to +60 °C
Humidity ≤ 80 % non-condensing

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 3 PRODUCT DESCRIPTION

3.6.5 Aperture-specific parameters

3.6.5.1 Mechanical specifications

Type MINISCAN II-07 MINISCAN II-10 MINISCAN II-14 MINISCAN II-20
Input aperture (mm) 7 9 14 20
Beam displacement (mm) 9.0 12.4 17.0 26.0
Weight without objective approx. 0.8 approx. 0.8 approx. 1.6 approx. 2.2
(kg)
Dimension (L x W x H) (mm) 100 × 77 × 79.5 100 × 77 × 79.5 134 × 98 × 93.5 145 × 116 ×
103.5

3.6.5.2 Dynamic behaviour

Type MINISCAN II-07 MINISCAN II-10 MINISCAN II-14 MINISCAN II-20
Writing speed (cps)1, 2 900 500 400 300
Positioning speed (m/s) 1
10 7 6 5
Acceleration time (ms) 3 0.19 0.23 0.50 0.70
1) With F-Theta Lens f = 163 mm / field size 120 mm x 120 mm.
2) Single-stroke font with 1 mm height.
3) Calculation of tracking error approx. 0.57 × acceleration time.

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3.6.6 Interfaces

3.6.6.1 Analogue interface

Only for deflection The connector pin assignment for the analogue interface is set out below. The deflection unit is
units with analogue supplied with electrical power by the 25-pin D-SUB connector and can be controlled using analogue
interface
signals.

Fig. 3: D-SUB-25-M

PIN Signal PIN Signal

1 +X COMMAND 14 -X COMMAND
2 SIGNAL GND 15 X POSITION
3 SIGNAL GND 16 Y POSITION
4 SIGNAL GND 17 -Y COMMAND
5 +Y COMMAND 18 nc
6 nc 19 nc
7 nc 20 nc
8 nc 21 nc
9 +VSS 22 +VSS
10 +VSS 23 GND Input
11 GND Input 24 GND Input
12 -VSS 25 -VSS
13 -VSS --- ---
nc = not connected (not used)

The values for the supply are described on page 17, Power supply.

WARNING
Control error due to interference signals C1 -03 0

 Input the signals as shown below.

 Use only screened cables.

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 3 PRODUCT DESCRIPTION

Signal source Deflection Signal source Deflection

unit unit

Fig. 4: Standard input Fig. 5: Differential input

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3.6.6.2 Digital interface

Only for deflection The connector pin assignment for the digital interface is set out below. The deflection unit is supplied
units with digital with electrical power by the 25-pin D-SUB connector and can be controlled using XY2-100 protocol
interface
signals.

Fig. 6: D-SUB-25-F

PIN assignment
PIN Signal PIN Signal
1 I -SENDCLOCK 14 I +SENDCLOCK
2 I -SYNC 15 I +SYNC
3 I -X CHANNEL 16 I +X CHANNEL
4 I -Y CHANNEL 17 I +Y COMMAND
5 nc 18 nc
6 O -HEAD-STATUS 19 O +HEAD-STATUS
7 nc 20 nc
8 nc 21 nc
9 +VSS 22 +VSS
10 +VSS 23 GND Input
11 GND Input 24 GND Input
12 -VSS 25 -VSS
13 -VSS --- ---
I = Diff. input, nc = Not connected (not used), O = Diff. output

The values for the supply are described on page 17, Power supply.

Specifications
Input signals diff. Output signals diff.
Voltage 0 to 5 V Level low max. 0.6 V at 40 mA
Threshold ±200 mV Level high min. 2 V at 40 mA
Hysteresis typ. 45 mV EMC protection ±10 kV
Impedance 120 Ω
EMC protection ±15 kV

3.7 Lifespan
The lifespan of the product is 10 years.

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 4 INSTALLATION

4 INSTALLATION
Installation may only be carried out by trained personnel. These trained personnel must be familiar
with the general safety regulations that are applicable for installation and operation of opto-
mechatronic systems, machines and plants.

4.1 Safety during installation

WARNING
Hazard due to electrical energy C 3-0 10. 1

The deflection unit is designed for intended operation on a safety extra-low voltage (< 60 V DC). The
operator is responsible for safe provision of the power supply (voltage limitation, shutdown on
overcurrent, line protection).
 Make sure that the power supply does not exceed the specified low voltage.
 During all work on the electrical power supply and the electrical systems, observe the relevant
electrical safety regulations.

WARNING
Risk of injury due to laser radiation C2 -01 0

The laser beam (including a reflected beam) can cause severe injuries to the eyes and skin.
 The laser system may only be installed and started up by trained personnel.
 After all work, ensure that the laser system is switched off and secured against being switched
on again.

WARNING
Risk of injury due to falling deflection unit C2 -030

A falling deflection unit can cause injuries.

 The deflection unit should be installed by two people wearing suitable safety shoes.

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 4 INSTALLATION

4.2 Installation location

The deflection unit may only be operated in closed rooms. It must be protected against contact with
liquids.
The deflection unit is not suitable for use in potentially explosive atmospheres.
If the materials to be processed can result in toxic vapours, safe extraction of these must be ensured.
Other operating and ambient conditions must be observed (see page 17, Ambient conditions).

4.3 Preparing for installation

1. Make sure that the laser system is prepared in such a way that the laser beam is emitted centrally
and at a right angle from the installation surface for the deflection unit.
2. Prepare two aligning pins and four screws. The specifications for these can be found on the USB
stick supplied as part of the design data.
3. Carefully remove the deflection unit and any other accessories, for example the lens, from the
packaging.
4. Make sure that the specifications of the deflection unit and the lens correspond to the application
requirements (see page 17, Technical data and page 16, Signage).
In case of any variations, contact RAYLASE.

4.4 Installing the lens

1. Carefully remove the protective cover on the deflection unit beam output and the protective cover
on the lens.
2. Check the deflection unit and the lens for impurities and damage.
 Impurities must be removed before start-up (see page 26, Cleaning).
 Damaged components may not be used.
3. If a lens ring is included in the configuration, screw the lens ring into the deflection unit beam
output.
4. Carefully screw the lens into the deflection unit beam output.

4.5 Installing the deflection unit

1. Fit the prepared aligning pins into the corresponding holes in the installation surface.
2. Carefully remove the protective cover on the deflection unit beam input.
3. Position the deflection unit on the installation surface using the pins.
4. Secure the deflection unit with the prepared screws.
 The deflection unit is aligned with the laser system beam output using the pin holes.

4.6 Completing installation

1. Make sure that the control signals and the power supply correspond to the relevant specifications.
2. Check whether the connections for the control signals and the power supply are correctly wired
(see page 19, Interfaces).
3. Connect the plug connections when not connected to the voltage.
4. Make sure that the working area is clear and there are no reflective materials in it.

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 5 START-UP

5 START-UP
Start-up and operation may only be carried out by trained personnel with regular laser safety training.
When preparing for operation, it must be ensured that the mirrors in the deflection unit are always
correctly actuated and that the laser beam is switched off when the mirrors are stationary.

5.1 Safety during start-up and operation

WARNING
Risk of injury due to improper handling
Improper handling can overload and destroy the deflection mirrors during operation. Destroyed
mirrors can deflect the laser beam onto the protective housing, heating it severely or destroying it.
This can result in a risk of burns or uncontrolled escape of laser radiation from the protective housing.
 Ensure optically correct input of the laser beam into the deflection unit and check this before
start-up. C2-050 .1

 Observe the specified start-up sequence. C2 -05 0.2

 Make sure that the deflection unit is always operated with a lens. The lens must be suitable for
the relevant application and wavelength and must be undamaged. C2-0 50. 3a

 Only operate the deflection unit up to the maximum permitted laser power. Refer to the
specifications in the technical data for details. C2 -05 0.4

 Make sure that no water is splashed onto the deflection unit. C2 -05 0.5

 Check whether the laser wavelength corresponds to the specified wavelength of the deflection
unit.C2 -05 0.6

 Do not process any materials which can reflect the laser beam back to the deflection unit. C2- 050. 7

WARNING
Risk of burns and fire due to heating C 2-0 40

If the diameter of the laser input beam exceeds the permitted value, the mechanical system is severely
heated. This results in a risk of burns when touching the hot components. If any highly flammable
materials are in the vicinity, it can result in fire.
 Observe the specified maximum input beam diameter.
 Before starting up the deflection unit, make sure that the input beam diameter is not exceeded.

WARNING
Risk of injury due to laser radiation C2 -01 0

The laser beam (including a reflected beam) can cause severe injuries to the eyes and skin.
 The laser system may only be installed and started up by trained personnel.
 After all work, ensure that the laser system is switched off and secured against being switched
on again.

NOTE
Ejection of mirror fragments C1 -03 0

If the mirrors are destroyed by overloading, fragments can be ejected from the laser beam output.
 Always operate the deflection unit with a lens, as this will keep in the fragments in the event of a
failure.

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 5 START-UP

5.2 Checking the installation

Before start-up and operation of the deflection unit, check the following points:
1. Check whether the mechanical installation has been carried out completely and correctly (see
page 22, Installation).
2. Check whether the electrical connection has been carried out completely and correctly (see
page 22, Installation).
3. Check that the deflection unit has suitable mirrors. To do this, refer to the deflection unit rating
plate and compare the details with the application (see page16, Signage).
4. Check that the lens has been mounted into the deflection unit beam output.
5. Check that the accessible optical components are free of dust and clean. If not, they must be
cleaned (see page 26, Cleaning).

5.3 Start-up
Observe the following start-up sequence:
1. Switch on the RAYLASE control card.
2. Start the control software.
3. Switch on the power supply to the deflection unit.
4. Switch on the laser.
When shutting down the laser system, the components must be switched off in precisely the reverse
of this sequence.

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 6 MAINTENANCE

6 MAINTENANCE
Maintenance may only be carried out by trained personnel. These trained personnel must be familiar
with the general safety rules for electrical engineering, optics, mechanics and laser technology.

6.1 Cleaning
WARNING
Risk of injury due to incorrect cleaning
Incorrect cleaning can cause damage to optical elements (e.g. due to scratching). Damaged optics
can then be destroyed during operation, deflecting the laser beam onto the protective housing. This
can result in a risk of burns or uncontrolled escape of laser radiation from the destroyed protective
housing.
 Only clean optical components if you have sufficient knowledge and experience of handling
optics for laser components and laser systems. G2 -01 0.1

 Precisely follow the instructions for cleaning the optics set out in this chapter.
G2-01 0.2

6.1.1 Cleaning the housing

1. When cleaning the housing, do not touch the optical surfaces. Cleaning these is a separate task.
2. Before cleaning, ensure that the laser system is switched off and secured against being
accidentally switched on again.
3. Clean the deflection unit housing with a soft lint-free duster.
4. If there is more severe dirt, moisten the cloth with a non-aggressive cleaning solution (e.g. soap
solution).

6.1.2 Cleaning the lens

The lens is very sensitive and may only be cleaned by experienced professionals.
1. Before cleaning, ensure that the laser system is switched off and secured against being
accidentally switched on again.
2. Only hold the optical assembly with powder-free latex gloves and only by the edge, as fingerprints
contain aggressive substances that can damage the optical surfaces.
3. Carefully remove the lens and place it in a safe location protected from dust.
4. Blow off any loose particles from the surface with clean and oil-free compressed air. Note that the
compressed air in workshops may contain oil particles and in this case is unsuitable for cleaning
optics.
5. Moisten a suitable lens cleaning cloth with high-purity isopropanol or acetone.
6. Place one end of the moistened cloth on the optics and pull it slowly across the optics. Do not
exert any pressure and do not rub it over the optics.
7. Remove any remaining solvent residue with a dry lens cleaning cloth.
8. Repeat this procedure until the surface is completely clean. Use a new lens cleaning cloth each
time.

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 6 MAINTENANCE

6.1.3 Cleaning the mirrors

The mirrors are very sensitive and may only be cleaned by experienced professionals. We recommend
sending the deflection unit to RAYLASE for this cleaning.
1. Before cleaning, ensure that the laser system is switched off and secured against being
accidentally switched on again.
2. Only hold the optical assembly with powder-free latex gloves and only by the edge, as fingerprints
contain aggressive substances that can damage the optical surfaces.
3. Blow off any loose particles from the surface with clean and oil-free compressed air. Note that the
compressed air in workshops may contain oil particles and in this case is unsuitable for cleaning
optics.
4. Moisten a suitable lens cleaning cloth with high-purity isopropanol or acetone.
5. Place one end of the moistened cloth on the relevant mirror and pull it slowly across the mirror.
Do not exert any pressure and do not rub it over the mirror.
6. Remove any remaining solvent residue with a dry lens cleaning cloth.
7. Repeat this procedure until the surface is completely clean. Use a new lens cleaning cloth each
time.

6.2 Servicing
No specific service interval is specified.
1. Check regularly whether all stickers and signs are present and legible (see page 16, Signage).
2. Replace any missing or illegible stickers or signs.

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 7 UNINSTALLING

7 UNINSTALLING
7.1 Safety when uninstalling
WARNING
Risk of injury due to falling deflection unit C2 -030

A falling deflection unit can cause injuries.

 The deflection unit should be installed by two people wearing suitable safety shoes.

7.2 Uninstalling the deflection unit

1. Switch off the laser system and secure it against accidentally being switched on again.
2. Detach the plug connections to the deflection unit.
3. Loosen the fastening screws and carefully remove the deflection unit.
4. Pack the deflection unit in a dust-proof container.

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 8 STORAGE

8 STORAGE
The deflection unit must be stored in a dust-free location and under the specified ambient conditions
(see page 17, Ambient conditions).

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 9 TRANSPORTATION

9 TRANSPORTATION
WARNING
Damage due to improper transportation
During transportation or shipping of the deflection unit there is a risk of it being damaged.
 Seal the deflection unit in a dust-proof container before transportation. B1 -0 10.1

 Transport and ship the deflection unit only in the original packaging. B1- 010. 2

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 10 DISPOSAL

10 DISPOSAL
Observe the applicable regulations for disposal of the deflection unit.

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 11 TROUBLESHOOTING

11 TROUBLESHOOTING
WARNING
The laser beam can cause severe injuries to the eyes and skin.
 During troubleshooting, never look directly or indirectly into the laser beam. F2 -010 .1

 Do not deactivate any safety precautions designed to protect against laser radiation. F 2-0 10.2

 Wear laser protection clothing and/or goggles appropriate for the relevant danger rating. F2 -01 0.3

1. Make sure that only the necessary professionals are in the room for troubleshooting and that they
have protective equipment appropriate to the hazards.
2. In case of malfunctions, check whether the problem and a possible remedy appear in the
following checklist.
3. If the fault cannot be resolved, contact RAYLASE Customer Service.

Problem Possible cause Remedy

Processing quality is Electrical energy supply defective
poor Processing parameters incorrect
Deflection unit unsuitable for selected application
Processing quality has Lens dirty See page 26, Cleaning the lens
deteriorated Mirror dirty See page 27, Cleaning the mirrors
Laser power reduced The RAYLASE laser processing software weldMARK ®
can be used to compensate for a deteriorating laser
power. Menu: System > Global Settings
Processing parameters changed
Beam expander changed
Laser spot changed Lens dirty See page 26, Cleaning the lens
Mirror dirty or damaged Send deflection unit to RAYLASE for repair
Laser system badly adjusted
No laser beam although Beam path blocked Remove protective cover from beam input and/or output
the laser process has Laser control defective
been started
Laser system defective
Deflection unit only Data line defective
deflects the laser beam
in one direction or not at
all
X and Y axis reversed Wiring incorrect

© 2017 RAYLASE GmbH MINISCAN II MN102-en / v1.0.3 32

Index
Laser radiation 10
A Laser system
classification 8
Accessories 12
Laser warning sign 16
Ambient conditions 17
Lens 26
Lens 23
C
Checking the installation 25 M
Classification (laser systems) 8
Maintenance 26
Cleaning 26
Cleaning 26
Connections 14
Servicing 27
Customer service 6
Manufacturer 6
D
O
Designated use 7
Operating personnel
Dimensions 17
training and instruction 11
Display conventions 5
Other applicable documents 5
Disposal 31
Documents, other applicable 5
P
F Product description 12
Product versions 15
Foreseeable misuse 7
Protection measures, required 11
Functional description
Protective equipment, required 11
Deflection unit 12
Protective seal 16
H
R
Hazards 10
Rating plate 16
I
S
Installation 22, 23
Safety
Completion 23
Installation 22
Preparation 23
Uninstalling 28
Safety 22
Sequence 25
Instruction, required
Servicing 27
instruction 11
Signage 16
Interface
Spare parts 12
analogue 19
Start-up 24
digital 21
Storage 29
Interfaces 19
Items included 12
T
L Technical data 17
Training, required 11
Laser area 9

© RAYLASE GmbH MINISCAN II MN102 / v1.0.3 33

Transportation 30 Safety 28
Troubleshooting 32
W
U Warranty 6
Uninstalling 28 Weight 17

© RAYLASE GmbH MINISCAN II MN102 / v1.0.3 34

2-AXIS DEFLECTION UNITS

Head office: China subsidiary: USA subsidiary:

RAYLASE GmbH RAYLASE Laser Technology (Shenzhen), Ltd. RAYLASE Laser Technology Inc.
Wessling, Germany Shenzhen, China Newburyport, MA, USA
+49,8153.8898-0 +86,755.2824-8533 +1.978.255-672
info@raylase.de info@raylase.cn info@raylase.com