Raycus RFL-C2000 User manual

Small Fiber Laser User Guide
2000W
Wuhan Raycus Fiber Laser Technologies Co., Ltd.

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
TABLE OF CONTENTS
1 Safety Information......................................................................................................................1
1.1 Security Identifiers.................................................................................................................1
1.2 Laser Safety Grade................................................................................................................ 1
1.3 Security Identifiers.................................................................................................................2
1.4 Optical Safety........................................................................................................................ 3
1.5 Electrical Safety.....................................................................................................................3
1.6 Other Safety Rules.................................................................................................................3
2 Product Description....................................................................................................................4
2.1 Features..................................................................................................................................4
2.2 Model description.................................................................................................................. 4
2.3 Package accessories............................................................................................................... 5
2.4 Unpacking and Inspection..................................................................................................... 5
2.5 Operation Environment......................................................................................................... 5
2.6 Attentions...............................................................................................................................7
2.7 Specifications.........................................................................................................................7
3 Installation.................................................................................................................................11
3.1 Dimensions.......................................................................................................................... 11
3.1.1 Overall dimensions of RFL-C2000 small laser............................................................ 11
3.2 Size and installation of output optical cable........................................................................ 12
3.2.1 RFL-C1000 ~ RFL-C2000 Output Optical Cable........................................................ 12
3.3 Cooling system installation and requirements.....................................................................13
3.4 Installation rules...................................................................................................................14
4 Using the Product..................................................................................................................... 16
4.1 Front panel........................................................................................................................... 16
4.2 Rear Panel............................................................................................................................16
4.3 Power Connection................................................................................................................17
4.4 Interface definition...............................................................................................................18
4.4.1 Control interface........................................................................................................... 18
4.4.2 RS-232 serial port.........................................................................................................19
4.4.3 Ethernet TCP / IP interface and connection steps........................................................ 21
4.5 Installation Instruction......................................................................................................... 23
4.6 Start operation sequence...................................................................................................... 24
4.7 Control mode selection........................................................................................................ 25
4.7.1 Control mode wiring diagram.......................................................................................25
4.7.2 Stand-alone mode (internal control mode) (connect 4.6 in sequence)......................... 26

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
4.7.3 External control mode (sequentially connected to 4.6)................................................ 26
4.7.4 AD Mode...................................................................................................................... 27
4.7.5 controlling time-series chart......................................................................................... 28
4.7.6 Red Light Control.........................................................................................................29
4.8 Turning off the laser:........................................................................................................... 29
5 Common Alarms and solutions............................................................................................... 30
5.1 Alarm display.......................................................................................................................30
5.2 Alarm processing................................................................................................................. 30
6 Warranty, Return and Maintenance...................................................................................... 33
6.1 General Warranty.................................................................................................................33
6.2 Limitations of Warranty...................................................................................................... 33
6.3 Service and Repair...............................................................................................................34

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Safety Information
1
1 Safety Information
Thank you for choosing Raycus fiber laser. This User Guide provides
important safety, operation, maintenance and other information. Please read it
carefully before using this product. To ensure safe operation and optimal
performance of the product, please follow all warnings, cautions, operating
procedures and other instructions accordingly.
1.1 Security Identifiers
WARNING: Describes a hazard that leads to a personal
injury or death.
CAUTION: Describes a hazard that leads to a minor
personal injury or product damage.
1.2 Laser Safety Grade
This series of lasers are classified as a high power Class 4 laser instrument
accounting to the European community standards EN 60825-1, clause 9. This
product emits invisible laser radiation at wavelength of 1080 nm, and the light
power is 100-2000W (depending on the model). Under such high power of laser
radiation, it may cause damages to the eyes or skin directly or indirectly. Despite
the radiation being invisible, the beam may cause irreversible damages to the retina
and cornea. Therefore, appropriate and approved laser goggles must be worn all
the times when the fiber laser is operating.
WARNING: Users must use appropriate laser goggles
when operating this device. The laser goggles are selected
according to the range of wavelength emitted from this
product. Users must select the appropriate laser goggles
according to the entire range of laser wavelengths. Please do
not directly look at the fiber delivery cable connector when
laser is powered on.

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Safety Information
2
1.3 Security Identifiers
Raycus CW Fiber Lasers have different locations of safety identifiers
depending on the model, as shown in Figure 1:
Figure 1 Laser Security Identifiers
Laser safety identifiers include: safety warning, laser fiber delivery cable
connector warning, product certification, ID label, etc. The detailed descriptions of
the security identifiers are as follows:
Table 1 Security Identifiers
1: Fiber Delivery
Cable Connector
2: Type 4 Laser
Product
3: Class 2M Laser Product
Label-1mW Red Laser
4: CE Authentication
5: ID Label
6: Laser Radiation
Hazard
7: Electrical
Hazard
1
6
2
4
7
5

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Safety Information
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1.4 Optical Safety
Any dust on the end of the collimator assembly can burn the lens.
CAUTION: DO NOT emit when the protective cap is
not opened, otherwise the lens or crystal will be damaged.
1.5 Electrical Safety
1）Make sure the product is firmly grounded through the PE line of the power
cord.
WARNING: Any interruption from the protective earth
will electrify the enclosure, which may result in personal
injury for operators.
2）Make sure that the correct voltage of the AC power source is used.
CAUTION: Wrong wiring mode or power supply
voltage will cause an irreversible damage to the fiber lase.
There are no components that need to be used by operator in the laser.
Please do not try to open the laser housing, otherwise it may cause electric
shock and the warranty will be invalid accordingly.
1.6 Other Safety Rules
1）Do not directly look the laser fiber delivery cable connector when laser emitting.
Avoid using the laser in a dark environment.
2）Do not use fiber lasers in dark environment.
3）If this device is used in a manner not specified in this document, the protection
provided by the device may be impaired and the warranty will be voided.
4）There are no user serviceable parts, equipment or assemblies inside the product.
All service and maintenance shall be performed by Raycus. In order to prevent
electric shock, please do not break the seal or uncover the shield. Failure to
comply with this instruction will void the warranty.

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
4
2 Product Description
2.1 Features
Raycus fiber laser, compared with traditional laser, has higher electro-optical
conversion efficiency, lower power consumption and more excellent beam quality.
It is compact and ready to use. Because of flexible laser output mode, it can be
easily integrated with the device.
Main Features:
Excellent beam quality
High reliable and sealing
High power stability
Power continuously adjustable and fast switch response
Maintenance-free operation
High Electro-optical Conversion Efficiency
Anti-reflection Capacity
High modulation frequency and editable waveform
Applications:
Welding、5G、Infrastructure
3D printing
Laser research
2.2 Model description
Raycus continuous wave laser includes 100, 200L, 200, 300L, 300, 500, 750,
1000,1500 and other models, which respectively represent 100W, 170W, 200W,
250W, 300W, 500W, 750W, 1000W and 1500W lasers. The definitions of the
model code are shown in the table below:
Table 2 definition of model code
1
RFL-C series continuous wave fiber laser

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
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2
Power indicator, including 100, 200L, 200, 300L, 300, 500, 750, 1000,
1500W respectively representing 100W; 170W; 200W; 250W; 300W;
500W; 750W; 1000W; 1500 power laser
3
Wavelength, ‘B’ represents a wavelength of 1080nm
4
Output cable length, unit meter, including 15 meters and 20 meters, also can
be customized length
5
Cooling method, ‘W’ stands for water cooling, ‘A’ stands for air cooling
Notes: RFL-C100 ~ RFL-C3000 laser without air conditioning
2.3 Package accessories
Please refer to package accessories are in the packing box.
2.4 Unpacking and Inspection
Raycus fiber laser is delivered with the specially designed package to offer
the fiber laser maximal safety. Nevertheless, in order to prevent the occurrence of
unpredictable circumstances during the transportation, please inspect all packaging
once receiving the delivery. If you find any evidence of mishandling or damages,
please keep the damaged material and contact the shipping agent and Raycus
immediately.
Please double check if each listed contents is inside the package; and contact
Raycus as soon as possible if there is any issue.
Take extra care when removing the unit from the package to make the fiber
optic cable stay away from collision and vibration. Please do NOT distort, bend or
pull the output cable when unpacking the device; and avoid any collision to the
fiber delivery cable connector.
CAUTION: The fiber optic cable and fiber delivery cable
connector are precise optic instrument, ANY vibration or
impact to the fiber delivery cable connector, and twist or
excessive bend to the cable will damage the instrument.
2.5 Operation Environment
The operation conditions are listed as the following table:
Table 3: The Operation Environment Conditions for the Laser
Model
2000

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
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Power
Voltage(V)
380±15% V AC
50/60Hz
Power Capacity
（kW）
6.1
Installation
Environment
Flat and no vibration
Ambient
Temperature
(℃)
10～40
Relative
Humidity （％）
＜70
Warning:
1）Make sure the product is properly grounded before use.
2）The fiber delivery cable connector is connected with fiber optic cable.
Please inspect the fiber delivery cable connector carefully to prevent dust or
other contaminations. Use appropriate lens paper to clean it if necessary.
3）Failure to follow the instructions when operating the laser may cause
malfunction and damage.
4）It is not allowed to install the fiber delivery cable connector when the laser
is in operation.
5）Do not look into the fiber delivery cable connector directly. Wear
appropriate protective eye glasses all the time when operating the laser.
Do not expose this product to high humidity (humidity>
95%).
Do not allow this product to operate at a temperature
below the ambient dew point. (As shown in Table 4)
Table 4 Comparison table of constant dew point at ambient temperature and
relative humidity
Constant dew point table at ambient temperature and relative humidity
Ambient
temperature
（℃）
Maximum relative humidity
20%
30%
40%
50%
60%
70%
80%
90%
95%
20
-3.5
2
6
9
12
14.5
16.5
18
19
25
0.5
6
10.5
14
16.5
19
21
23
24

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
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30
4.6
10.5
15
18.5
21.5
24
26
28
29
35
8.5
15
19.5
23
26
28.5
31
33
34
40
13
20
24
27.5
31
33.5
36
38
39
Laser operating temperature range
2.6 Attentions
1) Make sure that the correct voltage (according to Table 3) is used before
connecting AC current. Failure to connect power supply will damage the
device.
2) Failure to operate the laser in accordance with the control or adjustment
methods specified in this manual may cause damage.
3) For the output laser collimated by the collimating lens, it is important to
keep the collimating lens clean, and otherwise it will damage the device.
4) Please cap the fiber delivery cable connector when it is not in use. Do not
touch the output lens at any time. Use appropriate lens paper and alcohol
to clean it if necessary.
5) Failure to follow the instructions may cause laser power loss, and such
loss is not covered by warranty.
2.7 Specifications

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
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Table 5 Product Specifications
Model
C2000
C2000H
Test Conditions
Optical Characteristics
Output Power(W)
2000
Operation Mode
CW/Modulated
Polarization State
Random
Power range(%)
10~100
Central Wavelength
(nm)
1080±5
Nominal Output Power
Output Power
Instability （%）
±1.5
Nominal Output Power;
Duration: ≥5hrs;
Ambient Temp.: 25±1℃
Modulation
Frequency(Hz)
50~20,000
Nominal Output Power
Red Laser output
Power(mW)
0.5~1
Optical Output Characteristics of IQB head
Beam Parameter
Product (BPP,
mm•mrad)
BPP <1.5 (mm×mrad)
Nominal Output Power，4σStandard

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
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Half Angle Divergence
（rad）
/
≤0.06
Nominal Output Power，4δStandard
Beam quality (M²)
5~6
/
Core Fiber(μm)
50（100、200 are optional）
Delivery Cable (m)
() ()
20
10
Customizable length
Electrical Characteristics
Power Supply
380 ± 15% V AC、50/60Hz
Max. Power
Consumption(W)
6100
Control Mode
RS-232/AD/Ethernet
Other Characteristics
Dimensions(W×H×D)
(mm)
414×686×158(include handle)
Weight(kg)
<50
Operating Ambient
Temperature (℃)
10~40
Humidity(%)
<70

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Product Description
10
Storage
Temperature(℃)
-10~60
Cooling Method
Water Cooling

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Installation
11
3 Installation
3.1 Dimensions
3.1.1 Overall dimensions of RFL-C2000 small laser
Figure 2 shows the dimensions of the RFL-C2000 laser.
Figure 2 (a) Front view (Unit: mm)
Figure 2 (b) Rear view (unit: mm)

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Installation
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Figure 2 (c) Top view (Unit: mm)
3.2 Size and installation of output optical cable
Raycus continuous wave fiber laser uses different laser output cables
according to different laser models.
3.2.1 RFL-C1000 ~ RFL-C2000 Output Optical Cable
The output cables of Raycus RFL-C1000 ~ RFL-C2000 small lasers are
self-made IQB output cables. The specific appearance dimensions are shown in
Figure 4 below:
Figure 4 Dimensional drawing of IQB output optical cable

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Installation
13
For IQB output optical cables, the two copper contacts
(InterLock pins) on the fiber delivery cable connector must be
shorted before the laser works, otherwise the laser will not
work properly. Usually the copper contacts are automatically
shorted after the output fiber cable is installed in the processing
equipment.
Before installing the output cable in the processing head, the
lens of the output cable must be inspected. If the lens is dirty, it
must be cleaned.
It is forbidden to disassemble the output lens by anyone other
than Raycus, otherwise the warranty will be invalid.
3.3 Cooling system installation and requirements
Table 6 Cooling System Requirements
Model
2000
Cooling Capability (W)
>6000
Minimum Flow (L/min)
20
Maximum Pressure (Bar)
7
External diameter of pipe
(mm)
13
Cooling system water
temperature (℃)
22±1℃
1) Temperature setting of cooling water:
Chiller 22±0.5℃(it does not have to be changed in summer)
2) Requirements on Cooling Water:
Purified water should be used.
In order to prevent the growth of mold that may lead to blockage,
adding alcohol solution to about 10% of the total volume is
recommended.

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Installation
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If ambient temperature is between -10℃and 0℃, we recommend to
use 30% alcohol(volume ratio), and replace it every 2 months.
If ambient temperature is below -10℃, the chiller with both heating
and cooling functions must be used, and keep it in full-time operation.
3) Other cooling system requirements:
Check the entire water system and joints for leaks when starting the
cooling system the first time. The external water pipe must be installed
and connected according to the water inlet (IN) and water outlet (OUT)
indicated according to the laser, and otherwise the laser may not work
properly.
If the laser is not used for a long time, the cooling system and the
cooling water inside the laser should be drained, otherwise it will
cause irrecoverable damage to the laser.
Set the water temperature of the cooling system correctly
according to the ambient temperature. If the water
temperature is set too high, the laser will not work properly.
If the water temperature is set too low, condensation will
occur inside the laser or the laser output cable, which will
cause irrecoverable damage to the laser.
Before staring the laser, the cooling system must work
properly and the water temperature reaches a suitable
temperature.
3.4 Installation rules
1) Place the product in an appropriate position, immobilize it if necessary.
2) Check if the power supply has the correct voltage (laser model and
power voltage refers to product parameters in Table 5 ), and ensure the
earth line is firmly connected..
3) Connect the power cable and control cable to the product when power
supply is OFF.

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Installation
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4) Connect the cooling system to the laser and output fiber cables according
to the water inlet and outlet signs.
5) Please check the laser fiber delivery cable connector and do the
necessary cleaning before installing it in the device. If you find that there
is dust or foreign objects that cannot be cleaned, please contact Raycus
in time, and do not continue installation and operation for the time being.
6) Prevent the delivery cable from treading, pinching or excessive bending
yellow / metal armor protective sleeve during installation.
7) Please handle the laser output cable carefully, and do not receive
vibration during the installation and disassemble.
8) Make sure the environment is clean, or the fiber delivery cable connector
may be contaminated. It is prohibited to use fan during installation,
which will cause dust in the air.
9) The minimum bending diameter of the transmission cable of the laser
shall not be less than 20cm in the non-working state (such as transport
and storage). The minimum bending diameter should not be less than
30cm when the laser is working.
CAUTION: All the cables can only be connected when
power supply is off. Hot plug may damage the device.
Ensure that the laser output optical cable must be placed in a
natural state as far as possible, and it is forbidden to twist the
output optical cable
If the winding diameter of the output optical cable is too
small, the laser will be damaged
Before the laser output cable is assembled, the lens and the
cutting head cavity must be clean and free of pollution.
Keep the protective cap properly, prevent it from
contamination; or the aperture will be contaminated when
capped.

Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide of 2000W fiber laser
Raycus User Guide | Using the Product
16
4 Using the Product
The Raycus continuous wave laser (with network port) has
stopped using the super terminal. After the laser is powered on, there
is no display on the super terminal. Please log in to the official website
of Raycus to download the new version of the upper computer
software and upper computer software instruction manual.
Web：http://www.raycuslaser.com/index.php/index-show-tid-53.html
4.1 Front panel
Figure 5 shows the front panel style of RFL-C1000 ~ RFL-C2000 welding
laser (taking RFL-C1000 as an example, the front panel styles of other products are
the same):
Figure 5 RFL-C1000 laser front panel
4.2 Rear Panel
Figure 6 shows the rear panel style of the RFL-C2000 welding laser.
Figure 6 RFL-C2000 laser real panel
1. Alarm：Laser fault indicator lamp

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User Guide of 2000W fiber laser
Raycus User Guide | Using the Product
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2. Laser：Laser output indicator lamp
3. Power ：The laser power indicator lamp is on, indicating that the laser is
powered on.
4. Water pipe joint: Pagoda joint, insert the quick-plug water pipe with an outer
diameter of 16 into the pagoda head and fasten it with a clamp to connect the
laser to the circulating cooling water.
5. Interface：Laser external control interface, see [4.4 Interface and Definition]
6. RS232：232 serial interface used for communication between laser and host
computer.
7. ETHERNET：Ethernet interface for communication between laser and upper
computer.
8. Power: Rocker switch for turning on the laser main power.
9. AC INPUT：Power line input
4.3 Power Connection
Before connecting the AC power supply, please check
whether the laser model and the AC power supply provided
are consistent with those listed in Table 3 or table 5.