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Wuhan Raycus Fiber Laser Technologies Co., Ltd.

User Guide of RFL-C20000TZ

9.4. Scrap requirements

The fiber laser equipment can be scrapped and recycled if it has reached its useful life or has serious

faults and has no value for modification or repair,or meets other scrapping conditions stipulated in the
safety technical specifications.

Raycus reserve the right to make changes in design or constructions of any of our

products at any time without incurring any obligation to make changes or install the same
on units previously purchased.

All the items within warranty and service above provided by Raycus are for uses’

reference; formal contents about warranty and service are subject to the contract.

Information contained in this document is subject to change without notice.

Summary of Contents for RFL-C20000TZ

Page 1: ...RFL C20000TZ Continuous Wave Fiber Laser User Guide Wuhan Raycus Fiber Laser Technologies Co Ltd ...

Page 2: ...f output cable and using description 11 3 3 1Types of protective end caps and factory status 11 3 3 2Pre installation cleaning instructions for output cables 12 3 4 Cooling Requirements 15 4 Using the Product 18 4 1 Front Panel 18 4 2 Rear Panel 19 4 3 Power connection 21 4 4 Control interface definition 23 4 4 1Safety XP2 Interface 24 4 4 2HARDWIRING XP1 25 4 4 3 RS232 XP3 Interface 28 4 4 4Analo...

Page 3: ...M Mode 42 7 RS232 and INTERNET communication command 43 7 1 Port Configuration 43 7 2 Laser Communication Protocol Network Port Serial Port 44 8 PC software instructions 48 8 1 Maininterface of PC software 48 8 2 Multi laser control area 49 8 2 1Add delete laser 50 8 2 2ModifylaserIP 51 8 3 Main working status display 51 8 3 1Laser s cumulative operating time display area 52 8 3 2Laserworkingstatu...

Page 4: ... 8 11 3Downloaded file address 64 8 12 Module parameters in diagnostic mode 64 8 13 Programming settings programming editing 64 8 13 1View the number of wave bars inside the current laser 65 8 13 2Check waveform content 66 8 13 3Empty all waveforms 66 8 13 4Editwaveform 67 8 13 5Command explanation 69 9 Warranty Repair and Return 71 9 1 General Warranty 71 9 2 Limitations of Warranty 71 9 3 Servic...

Page 5: ...e manual carefully before using this product To ensure safe operation and optimum product operation please observe the following cautions and warnings as well as other information within this manual 1 1 Security Label Figure 1 Schematic diagram of the distribution location of laser safety signs WARNING Describes a hazard that leads to severe injury or death to people CAUTION Describes a hazard tha...

Page 6: ...inese Standard GB 7247 1 2012 Safety of Laser Products Part 1 Equipment Classification Requirements this series of lasers are Class 4 laser instruments The product emits laser radiation at a wavelength of 1080 nm or around 1080 nm and the average laser power radiated from the output head is 20 kW Direct or Indirect exposure to high power laser radiation causes damage to the eye or skin Although th...

Page 7: ...al of output head or the entire laser device CAUTION DO NOT emit when the protective cap is not removed otherwise the lens or crystal will be damaged 1 4 Electrical Safety a Ensure that the PE line is effectively grounded and the installation environment is safe and reliable WARNING The disconnection of the product grounding will electrify the enclosure which may result in personal injury to the o...

Page 8: ...lity Thanks to its flexible laser output it can be easily integrated with system equipment Main Features High beam quality High reliable Free maintenance operation High electro optical conversion efficiency Convenient control interface Fast modulation Applications Industrial cutting and welding Scientific research 2 2 Package Parts Please refer to package accessories are in the packing box 2 3 Unp...

Page 9: ...luding PE Power supply capacity kVA 85 Water cooling flow L min 167 TOP flow 75 BOTTOM flow 92 Installation Environment Flat no vibration nor impact Ambient Temperature 10 40 Relative Humidity 70 a Make sure the product is properly grounded before use b The laser output head is connected with fiber optic cable Please inspect the output head carefully for dust or other contaminations Use appropriat...

Page 10: ...er Tunability 10 100 Emission Wavelength nm 1080 5 Nominal Output Power Output Power Unstability 1 5 Nominal Output Power Duration 5hrs Ambient Temp 25 Modulation Frequency Hz 50 2k Nominal Output Power Red Guide Laser Power mW 0 5 1 Fiber output Types QP Beam Quality BPP mm mrad 4 Nominal Output Power Fiber core diameter μm 100 customizable Delivery Cable Length m 20 customizable Electrical chara...

Page 11: ...0TZ 7 3 Installation 3 1 Dimensions The main body dimensions of RFL C20000TZ continuous fiber laser are shown in Figure 2 Figure 2 a Front and rear view of the laser Figure 2 b Top and left view of the laser Figure 2The dimensions of RFL C20000TZ continuous fiber laser ...

Page 12: ...ssemble the output lens by anyone other than staff in Raycus otherwise the warranty will be invalidated 3 2 Installation rule a Place the laser horizontally in a suitable position and fix it as necessary b Before the laser is powered on Please check if the power supply has the correct voltage 380VAC 10 50 60Hz See Table 2 Product Technical Data Sheet for details whether the grounding line is well ...

Page 13: ...ngs at the top of the product or the four casters at the bottom to lift or move the product Before lifting the laser source make sure that the four lifting rings are installed firmly and reliably When lifting the laser source be sure to use the four lifting rings when pushing the laser source please make sure that the support block at the bottom of the horizontal adjustment caster is off the groun...

Page 14: ...aser Technologies Co Ltd User Guide of RFL C20000TZ 10 Figure 4 Laser top lifting ring and bottom level adjustment caster CAUTION All the cables can only be connected when power supply is off Hot plug may damage the device ...

Page 15: ...own in the figure Type A end cap It is assembled on the output optical cable when it leaves the factory The end cap is equipped with a protective window to ensure the cleanliness of the end cap or crystal during transportation Type B end cap It is attached to the packaging accessories and is generally packed in a lamination box The end cap is not equipped with a protective window which is used to ...

Page 16: ...d cap without protective window Note According to the difference of the protective end cap of the cable in the actual use of the customer some models need to replace the protective end cap Please refer to the Cleaning Instructions for the Output Optical Cable Before Installation to clean the output optical cable and the protective end cap Figure 5 Schematic diagram of the protective end cap of the...

Page 17: ...h Note The following operations need to be carried out in a clean workbench If the operation is not carried out in a clean environment it will cause great risk to the QP output optical cable operators need to wear finger cots to operate Figure 7 The output optical cable placed in the clean bench with the ventilation turned on b Remove the white dust cap and place it face down on new lint free pape...

Page 18: ... cap cleaning is generally performed by our professional staff If the customer needs to operate it by himself we need to go through the relevant training of our staff and obtain the relevant qualifications before the above operations can be carried out If the operation method is improper it will cause irreversible and serious damage to the output optical cable during use After ensuring the cleanli...

Page 19: ...tation of the laser or output cable Note The fiber optic cable must be loaded with Type A end caps each time it is transported That is every time the output optical cable is unloaded from the cutting head and needs to be transported the end cap of type B must be replaced with the end cap of type A and the white dust cover must be covered and finally put into a black box for transport Figure 10 Acc...

Page 20: ... alcohol volume ratio and replace it every 2 months e If ambient temperature is below 10 the chiller with both heating and cooling functions must be used and keep it in full time operation f For the connection of cooling water and normal temperature water circuits please use Raycus supporting water pipes If the water pipes are self distributed please do not increase the length of the water pipes a...

Page 21: ...bending radius in non working conditions such as transportation and storage the minimum bending diameter shall not be less than 15cm When the laser is emitting the minimum bending diameter shall not be less than 20cm l Long term vibration less than 2G impact less than 10G Other requirements a When starting the cooling system for the first time check the entire water system and joint for water leak...

Page 22: ...he main control part of the laser is powered on and the POWER light is on Rotate to the REM position you need to close the 8 and 9 pins of the XP2 interface on the rear panel to realize remote power on and rotate to REM to activate the hard wired control mode of the laser POWER Control power indicator when the white indicator light is on it means the main control system is on LASER The power butto...

Page 23: ...preparation is not completed the indicator light will be on STOP Emergency stop button press to turn off the main power of the laser immediately turn the button clockwise to release the button and press the LASER button again to start the main power of the laser INDICATOR LIGHT After the main power supply of the laser is powered on the green indicator light is on when the laser is Ready when the l...

Page 24: ...Wuhan Raycus Fiber Laser Technologies Co Ltd User Guide of RFL C20000TZ 20 Figure 13 Rear view of product panel ...

Page 25: ...th the lock FIBER WATER IN Output optical cable water inlet interface this interface is connected to the water outlet of the normal temperature water of the water cooler and connected to the φ13 inner diameter water pipe FIBER WATER OUT Output optical cable water outlet this interface is connected to the output optical cable water inlet connected to the φ13 inner diameter water pipe WATER OUT The ...

Page 26: ...n the rear panel Note that the plug has an anti reverse connection function After inserting it use the lock to lock the plug and socket as shown in Figure 15 Figure 15 RFL C20000TZ physical picture of power cord plug and socket The AC input line of RFL C20000TZ laser adopts a seven core cable The definition and parameter requirements of the AC input line interface are shown in Table 5 Plug Plug Lo...

Page 27: ...or 1 2 AC380V L1 L1 16mm2 Brown 3 4 AC380V L2 L2 16mm2 Black 5 6 AC380V L3 L3 16mm2 Gray 7 Protective PE 16mm2 Yellow green Earth 8 The standard length of C20000TZ provided by Raycus is 15 meters 4 4 Control interface definition This type of laser does not provide a control signal line only a control signal connector The appearance of the joint is shown in Figure 16 Figure 16 Control signal line H...

Page 28: ...or grounding 9 IN 10 24V OUT Connect the positive pole of the external power on indicator active signal current 400mA 11 OUT Emergency output 1 on the front panel relay output contact passive contact current 100mA voltage 30V If the current panel stop pressed pin 11 and pin 14 are open or else close 14 OUT 12 OUT Emergency output 2 on the front panel relay output contact passive contact current 10...

Page 29: ...A14 Users need to ensure that A2 is always high during program execution B9 is high and then set A2 low after the program is executed B9 is low The laser output power is set by the program if the program number is not 0000000 the laser output power is set by AD analog if the program number is 0000000 and the A6 is high A3 Enabling Internal patter Input signal High level enables PC software control...

Page 30: ...ther lasers C7 Enable QCW mode Input signal Enable QCW mode For lasers with QCW modes only C8 C16 Not connect B1 The laser is ready Output signal The laser is ready to emit laser light when B1 is high B2 Laser output Output signal The laser is emitting light when B2 is high B3 The laser operates in internal mode Output signal The laser works in the internal control mode when B3 is high In this mod...

Page 31: ...put voltage power supply of all XP1 output signal Only when B15 and B16 access 24 V power output signal is effective B16 External power Negative pole Input signal Indicate the current optical gate channel 0000 all optical gate channels closed 0001 channel1 opened 0010 channel 2 opened 0011 channel 3 opened D1 is the lowest bit D4 is the highest bit For lasers with optical gate channels only these ...

Page 32: ...tput power of the laser by analog in AD mode and can also monitor the output light and power feedback signals of the laser The interface definition is shown in Table 9 below Table 9 XP4 Analog interface definitions Pin No type description 1 IN 0 10 V analog signal laser power control signal in AD mode 0 10 V corresponding to 0 100 output power 2 AGND Analog Signal Ground 3 OUT Power amplifier volt...

Page 33: ...sed before the laser main power supply can be started If the interlock is closed the stop button is also released and there is no error alarm press the start LASER button to start the main power supply and the main power has been started pin of the external interface will have a high level output When the security interlocking circuit is open or the error is detected the main power supply of the o...

Page 34: ...e used in series 4 7 Start operation sequence a Turn on the water cooler check whether the water pipe is leaking turn off the water cooler and connect electrically b Make sure the circuit breaker is in a OFF state and the stop button on the front panel of the laser EMERGENCY STOP pressed all electrical connections must be completed before the laser is powered on c Confirm that the three phase elec...

Page 35: ...ch start the main power supply waiting for the laser to Ready the laser Ready the tricolor green light above the machine representing that the laser can light 5 Control Mode Selection The Raycus high power CW laser has two control modes namely ON mode and REM mode Users can select the mode to be entered through the key on the front panel Table 11ON mode and REM mode functions ON Mode AD Mode Exter...

Page 36: ... computer software 2 Send DLE by communication or click button on the host computer software 3 Send EEC by communication or click button on the host computer software 4 Send ELE by communication or click button on the host computer software 5 XP1 A1 is high level XP1 A6 is low level or suspending 6 XP1 A1 is high level XP1 A3 is high level 7 XP1 A1 is high level XP1 A8 A14 is low level or suspendi...

Page 37: ... software or direct communication After the laser is powered on again the mode before power failure will be memorized 5 2 AD Enable Mode When AD mode is enabled the laser power is determined by the analog voltage of pin 1 and pin 4 of XP4 If the AD mode is not enabled the laser power can be set through the computer software or send the SDC XX command 5 3 Emission External Control Enable When the e...

Page 38: ... the laser runs in the Programming mode Please use the Raycus Host Computer Software to edit the waveform and select the pre run program number When the laser is in the internal control mode Send the EMON command or press the ON button the laser will start to run the program Send the EMOFF command or press the OFF button can terminate the laser emission at any time When the laser is in the externa...

Page 39: ... mode and the red light is controlled by the computer software red light button or through communication by sending ABN or ABF command to control the ON OFF of the red light When A1 of XP1 is set high and A3 is suspended or set low the laser is in external control mode and the red light is controlled by A5 of XP1 The red light module in the laser works by means of communication so there is a time ...

Page 40: ...tch at ON position Operations Steps a Turn the knob switch on the rear panel to ON b Turn the key switch to ON c Open the Raycus Laser Control System d Click the guide laser ON button to view the guide laser e Turn off AD mode and turn off external control mode this mode can be memorized when power off f Click the main power ON g Waiting for Ready h Set laser emission parameters i Click the laser ...

Page 41: ...n the knob switch on the rear panel to ON b Turn the key switch to ON c Open the Raycus Laser Control System d Click the guide laser ON button to view the guide laser e Turn off AD mode and turn on External Control mode this mode can be memorized after power off f Click the main power ON g Waiting for Ready h Set the percentage of laser emission power i Turn on the laser through the high level out...

Page 42: ...controlled by analog signal Operations Steps a Turn the knob switch on the rear panel to ON b Turn the key switch to ON c Open the Raycus Laser Control System d Click the guide laser ON button to view the guide laser e Turn on the AD mode and turn on External Control mode this mode can be memorized after power off f Click the main power ON g Waiting for Ready h The control board card outputs power...

Page 43: ...e key switch to ON c Open the Raycus Laser Control System d Click the guide laser ON button to view the guide laser e Click the main power ON f Waiting for Ready g Set the pre executed waveform number the program number is greater than 0 h Start waveform at the rising edge of MOD signal NOTE The high level time of MOD must be greater than the program running time If MOD gives a falling edge in adv...

Page 44: ... b Turn the key switch to REM c Short circuit pin 8 9 on XP2 d XP1 A1 connects to 24V XP1 A6 connects to 24V e Connect XP1 A5 to 24V and turn on the guide laser after checking the optics connect XP1 A5 to 0V and turn off the guide laser f XP1 C1 is connected to 24V and the main power is turned on operator can also directly press the LASER button or the host computer software clicks the main power ...

Page 45: ...ycus Fiber Laser Technologies Co Ltd User Guide of RFL C20000TZ 41 Figure 23 Timing diagram 6 6 Power Communication Setting in REM Figure 24 Wiring diagram of power internal control and laser emission external ...

Page 46: ...ser after checking the optics connect XP1 A5 to 0V and turn off the guide laser f XP1 C1 is connected to 24V and the main power is turned on users can also directly press the LASER button or the host computer software clicks the main power ON g Waiting for Ready h The Raycus Laser Control System sets the power XP1 A2 is connected to 24V and the control board card outputs MOD signal 6 7 Programming...

Page 47: ...connected to 24V and the main power is turned on users can also directly press the LASER button or the host computer software clicks the main power ON g Waiting for Ready h XP1 A8 14 select the number of the pre executed program set XP1 A2 high to start executing the program Figure 26 Timing diagram 7 RS232 and INTERNET communication command 7 1 Port Configuration RS 232 configuration is as follow...

Page 48: ...the command content itself If the returned content contains a numeric value or contains an error type the returned command content is separated from the numeric value or from the error type The specific agreement content and command examples of this product are shown in Table 12 Table 12 Specific Protocol Contents and Command Examples of Laser Command Description Command example ABF Aiming Beam OF...

Page 49: ...ycle too Low r SPW 100 Duty 100 r SDC Set Diode Current The set value must be less than 100 and above the minimum current setting value which can be set to 0 If the set value is greater than 100 the default is input 100 Send SDC 100 r Return SDC 100 r Other return values ERR Input Err r Laser is workded in AD Mode r RCS Read Current Setpoint Send RCS r Return RCS 56 7 r The current set value is 56...

Page 50: ... ECM r Return ECM r DCM Disable Calibration Mode AD analog response time is less than 100 us in this mode Send DCM r Return DCM r Others Command error Send BGM r Return Command Err r STA Read device status Read the product status A return value of 32 Bit digital information The meaning of each Bit is as follows undefined or reserved Bit negligible Send STA Return STA 4100 returned value 4100 Decim...

Page 51: ...s not ready The laser is ready Bit 10 QCW mode off QCW mode on Bit 11 Module Main Power off Module Main Power on Bit 12 Modulation mode off Modulation mode on Bit 13 normal Leakage sensors 1 leaking Bit 14 normal Leakage sensors 2 leaking Bit 15 No laser Laser is power on Bit 16 Gate mode off Gate mode on Bit 17 AC input normal AC input abnormal Bit 18 external Emission control off external Emissi...

Page 52: ...y alarm Bit 26 normal Water flow meter 1 Flow Alarm Bit 27 Red light internal control Red Light External Control Bit 28 normal Water flow meter 2 Flow Alarm Bit 29 normal Module locked Bit 30 Optical circuit safety interlock normal Optical circuit safety interlock abnormal Bit 31 normal High average power 8 PC software instructions PC software download address http www raycuslaser com list 56 html...

Page 53: ...er Laser Technologies Co Ltd User Guide of RFL C20000TZ 49 Figure 27PC software display main interface 8 2 Multi laser control area Multi laser control area is as Figure 28 Figure 28 Multi laser control area interface ...

Page 54: ...e lower left status display shows that the network connection is ok as Figure 29 Figure 29 communication status interface between PC software and laser 8 2 1 Add delete laser You can add delete laser in the laser list area by right click to add delete In the PC software You need to type the IP address of laser to add a new laser Detailed operation is shown in Figure 30 Figure 30 Procedure for addi...

Page 55: ... 8 2 2 Modify laser IP After the laser connection has established select the IP address of current laser and right click to set it up as Figure 31 Figure 31 Modify the IP address of laser 8 3 Main working status display The laser s main status display is as Figure 32 Table 13 ...

Page 56: ... green laser is ready gray laser is not ready Alarm light indicates alarm status of current laser yellow laser is abnormal gray laser is normal Emission light indicates the working model of the current laser red laser is in working model gray laser is not in output model 8 3 1 Laser s cumulative operating time display area The laser s cumulative operating time display is shown in Figure 33 The cum...

Page 57: ...ically adjusts the laser s output power It makes the output power linear with a longer response time for AD analog in this mode longer than 1mS Gray laser operates in non correction mode and the external 0 10V analog voltage is linear only with the current of the pump auxiliary tube The response time for this mode AD simulation is less than 100uS AD model Green Laser power is determined by the 0 1...

Page 58: ...ode power off memory automatically AD mode Click ON AD analog mode on click OFF AD analog mode off mode power off memory automatically Red guide beam Click ON red guide beam on click OFF red guide beam off Power correction Click ON activate laser power correction mode click OFF shut laser power correction mode mode power off memory automatically Eliminate alarm Eliminate current laser alarm Laser ...

Page 59: ...etting parameters to set a new power rise and fall time When the rise and fall times are set to 0 the power slow rise fall function is automatically switched off When there is no 0 the slow rise or fall function is automatically turned on Figure 37 The power slow rise and fall setting area interface and measured programmings 8 3 6 Laser output parameters read the settings area Laser output paramet...

Page 60: ...n the current laser Figure 39 Laser parameter display area display interface 8 5 Alarm type display area The laser alarm type display area interface is as Figure 40 This interface shows the cause of the alarm for the current laser Figure 40 Laser alarm type display area interface 8 6 PC software operating mode selection The laser operating mode is set by the PC software Its operating interface is ...

Page 61: ...d explanation Mode selection Mode explanation Monitor A concise software interface which can monitor basic status information Control Supports the selection of control modes such as AD mode external control mode and programming mode Diagnostics Displays laser s all status and parameters for diagnosis purposes Debug You can modify laser parameters subject to valid password ...

Page 62: ... interface is as figure 42 User can choose between Chinese simplified and English by click setting language Setting effective after PC software restarted Figure 42 Language selection interface 8 8 Authorization time limited locking 8 8 1 Authorization in user mode The authorization settings in user mode are as Figure 43 Laser can be locked and unlocked by valid authorization code ...

Page 63: ...e effective using time of laser For example the locking time May 21 2020 indicating that the laser is locked until 0 00 on May 21 2020 0 0 2000 means the laser is permanently unlocked b The terminal password is set for the laser locking party The terminal code can only be set once and no modification is allowed after its set The terminal password is 8 byte hete e g 0123456789ABCDEF no other charac...

Page 64: ...ettings operating interface in authorization mode 8 9 About Laser relevant information such as date of manufacture model serial number controlling serial number token version number system information and other information can be queried in the PC software about item Specific interface is as Figure 45 ...

Page 65: ...levant information query interface 8 10 XP1 interface status indication in diagnostic mode The laser interface status indicator interface is as Figure 46 It is convenient to view the interface status information which represents the input and output status of the XP1 interface on the back panel ...

Page 66: ...L C20000TZ 62 Figure 46 The interface status in diagnostic mode 8 11 Log in diagnostic mode Laser s working log interface is as Figure 47 User can query work log by entering the time to query and click on the search button Figure 47 Laser s working log interface ...

Page 67: ...FL C20000TZ 63 8 11 1 Download log Log download interface is as Figure 48 Figure 48 Log download interface 8 11 2 Download record of historical fault Historical fault record download interface is as Figure 49 Figure 49 Historical fault record download interface ...

Page 68: ...e for all downloaded information 8 12 Module parameters in diagnostic mode Laser module parameter query interface is as Figure 51 The interface is for the parameter query in diagnostic mode from which Raycus technicians can analyze the cause of laser anomalies Figure 51 Module parameters query interface in diagnostic mode 8 13 Programming settings programming editing The laser programming settings...

Page 69: ...nt laser Operating interfaces of view the number of wave bar stored inside the current laser is as Figure 53 The software automatically lists the number of wavelength bars that have been saved by click on the Refresher List button Green indicates the bar already has a program and white indicates that the bar is empty Figure 53 operating interfaces of wave bar stored inside the current laser ...

Page 70: ...program automatically lists the original programmings by click the programming number that needs to be checked Figure 54 Programming content interface in the current laser programming mode 8 13 3 Empty all waveforms Empty all programming interfaces stored in the current laser programming mode is as Figure 55 All programmings stored inside the current laser will emptied by click Empty Program List ...

Page 71: ...g mode is as Figure 56 Step 1 left click the pre edited programming number Step 2 select the command under the command type click Add Step 3 enter the parameters and click Save The instruction appears in the left program list immediately Step 4 after editing all commands click Write Laser Step 5 the new programming number will turn green when user re click the refresher list button Write successfu...

Page 72: ...Wuhan Raycus Fiber Laser Technologies Co Ltd User Guide of RFL C20000TZ 68 b add command type c save command ...

Page 73: ...ide of RFL C20000TZ 69 d type the command code into laser e check effectiveness of instruction Figure 56 A diagram of the programming editing operation in programming mode 8 13 5 Command explanation Command meaning in laser working status is as Table 17 ...

Page 74: ...ge power to 2 in power change ratio 1 4 WAIT 1 Wait for sync signal low level Null 2 Wait for sync signal high level Null 3 Wait for sync signal rising Null 4 Wait for sync signal dropping Null 5 Wait 0 65000ms int 5 GOTO 0 99 line 1 Switch at low sync signal Jump to different line when comply 0 99 line 2 Switch at high sync signal Jump to different line when comply 0 99 line 0 1000000 Times of ju...

Page 75: ...caused by those who are not from Raycus The customer has the responsibility to understand and follow this instruction to use the device Any damage caused by fault operating is not warranted Accessories and fiber connectors are excluded from this warranty According to the warranty client should inform us within 31days after the defect is discovered This warranty does not involve any other party inc...

Page 76: ...l specifications Raycus reserve the right to make changes in design or constructions of any of our products at any time without incurring any obligation to make changes or install the same on units previously purchased All the items within warranty and service above provided by Raycus are for uses reference formal contents about warranty and service are subject to the contract Information containe...

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