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Amada MM-L300A Original Instructions Manual

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Original instructions
LASER WELD MONITOR
MM-L300A
OPERATION MANUAL
AA04OM1193911-18

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Summary of Contents for Amada MM-L300A

  • Page 1 Original instructions LASER WELD MONITOR MM-L300A OPERATION MANUAL AA04OM1193911-18...
  • Page 2 MM-L300A Thank you for your purchase of our MM-L300A Laser Weld Monitor. Please read this manual carefully to ensure correct use. Keep the manual handy after reading for future reference. Contents Special Notes ......................... 1-1 (1) Safety Precautions ......................1-1 (2) Handling Precautions .......................
  • Page 3 (4) Replacing the Fuse ...................... 12-12 (5) About the SU-N300A/SG-N300A ................. 12-13 13. Specifications ......................13-1 14. Outline Drawing ......................14-4 (1) MM-L300A ........................14-4 (2) SU-N300A ........................14-5 (3) Coaxially Mounting Adapter Incorporated with the SU-N300A (Option) ......14-6 (4) SG-N300A ........................14-7 (5) Mounting Plate for SG-N300A (Option) ................
  • Page 4 MM-L300A 1. Special Notes (1) Safety Precautions Before using the instrument, please read through the Safety Precautions carefully to ensure proper use. The precautions listed here are designed to ensure safe use and proactively prevent  risks and damage to the user and other people. All precautions are critical for safety.
  • Page 5 MM-L300A DANGER DO NOT touch anything inside the instrument. High voltage is present internally. Do not touch anything inside the instrument with the power on. NEVER ATTEMPT to disassemble, repair or modify the instrument. Failure to observe this will result in an electric shock or fire.
  • Page 6 MM-L300A CAUTION DO NOT splash water. Electrical parts may cause an electric shock or short circuit if they become wet. USE proper tools (e.g., wire stripper, pressure wire connectors) for termination of connection cables. Failure to do so may damage the internal wires, leading to possibility of fire and electric shock.
  • Page 7  use. Using it in a tilted position may result in malfunction. For the MM-L300A, install in a location with an ambient temperature range of  0 to 40C, ambient humidity of 85% RH or less and free from abrupt temperature changes.
  • Page 8 (4) Sticking Warning/Danger Labels Warning/danger labels are struck on the product. Read the precautions provided on each label for correct use.  MM-L300A Do not open the cover except when replacing the battery. 1. Special Notes...
  • Page 9 MM-L300A  SU-N300A/SG-N300A Tearing off the seal will void the warranty. 1. Special Notes...
  • Page 10  A power supply in the range of 90 V AC to 250 V AC can be used. NOTE: The MM-L300A is equipment to monitor the near-infrared light from the processing point but not equipment to directly judge whether the laser welding status is good or bad.
  • Page 11 For the latest parts information, contact a nearest sales office. Product name Model MM-L300A application software AS1193660 Operation manual AS1194324(OM1192626,OM1193911) LAN cable category 7, 5 m...
  • Page 12 Select it use the reflected light as a trigger to start measurement. Depends on the length to select. *10 A personal computer is required to set conditions of the MM-L300A. It can be prepared by customers. For the PC specifications, refer to 6. (1) (1) Installation.
  • Page 13 (1) Display panel: Shows the status of the MM-L300A. (2) Status indicating LED: Indicates the current status of the MM-L300A. POWER: Lit in green when the power supply is turned on. TRIGGER: Lit in orange from the measurement start to the end. There are two ways to start measurement, the internal trigger by monitor signal level and the external trigger of external input.
  • Page 14 MM-L300A (2) Rear (1) Power switch: Turns the power ON/OFF. (2) AC INPUT: Used to connect the attached power cord to supply power. (3) LAN: Used to connect to the personal computer with the attached LAN cable. (4) ANALOG OUT: Outputs the SU-N300A/SG-N300A detection with the analog signal.
  • Page 15 5. Connecting Equipment (1) Configuration during Use The use configurations of the MM-L300A is shown below. The MM-L300A monitors the near-infrared light generated from the processing point by mounting the SU-N300A coaxially with the output unit or the SU-N300A/SG-N300A externally.
  • Page 16 Judges the upper/lower limit for obtaining waveforms, records measured data, etc. (2) SU-N300A/SG-N300A: Detects the near-infrared light from the processing point. (3) Personal computer (option): Sets conditions of the MM-L300A, displays waveforms, transfers and saves the waveform data, etc. (4) Laser device (separately available): Oscillates the laser light.
  • Page 17 2) Connect the opposite side of the sensor unit connecting cable used in Step 1 to the rear of the MM-L300A. ② ① 3) Connect the grounding of the power cord for the MM-L300A to the grounding terminal (class D grounding). 5. Connecting Equipment...
  • Page 18 Be sure to mount the noise filter as specified. 1) Mount the noise filter at the MM-L300A side of the AC cord with one turn. Then, fix the noise filter and the AC cord with the attached cable tie.
  • Page 19 MM-L300A (4) Mounting the Filter for SU-N300A This section describes how to mount the optional filter for SU-N300A to the SU-N300A. CAUTION  Dust may enter the SU-N300A if the protective glass holder and the filter for SU-N300A are not properly tighten.
  • Page 20 MM-L300A (5) Coaxially Mounting Adapter This section describes the optional coaxially mounting adapter which allows to use the SU-N300A coaxially. CAUTION  Some output units with CCD camera do not support coaxial measurements. For details, contact us.  For the combination outline drawing of each output unit and the coaxially mounting adapter, contact us.
  • Page 21 MM-L300A (1) Output unit which the laser light is turned The coaxially mounting adapter is fixed at nearly right above the laser irradiation position. Example) Before being mounted Camera unit Example) After being mounted (The section above dimension A is rotatable by 360 degree as long as it interferes with something.)
  • Page 22 MM-L300A (2) Output unit which the laser light is not turned The coaxially mounting adapter is fixed at the position where the laser light is turned by the output. Example) Before being mounted Camera unit Example) After being mounted (The section above dimension A is rotatable by 360 degree as long as it interferes with something.)
  • Page 23 MM-L300A (6) Externally Mounting the SU-N300A and Measures against the Reflected Light This section describes how to mount the SU-N300A externally and measures against the reflected light. CAUTION  Especially for processing and welding at high output for a long time, the SU-N300A may be overheated by reflected light or diffusion reflected light.
  • Page 24 “Measurement range of the light-receiving unit” in 14. (4) SG-N300A. At this time, be careful of the arrangement of the sensor fiber. Also, as a tendency, the measurement intensity of the MM-L300A increases with the following conditions. - The measurement intensity increases as the light-receiving unit comes closer to the processing point.
  • Page 25 MM-L300A Insert the dedicated cable into the SG-N300A connector, and turn the ring for fixing the plug to tighten. ② ① 5. Connecting Equipment 5-11...
  • Page 26 MM-L300A (8) Using by the Mounting Plate for SG-N300A This section describes how to mount the SG-N300A with the mounting plate for SG-N300A (option). CAUTION  Do not bend the sensor fiber, impart a strong impact or make the end face dirty.
  • Page 27 MM-L300A (2) Removing the cover of the mounting plate for SG-N300A Remove two spring catches at the longitudinal side surface of the mounting plate for SG-N300A in the state that the cover is supported by both hands. The fixing of the cover is released by removing spring catches. Take care not to drop the cover.
  • Page 28 MM-L300A (9) Measures against the Reflected Light to the SG-N300A Measures against the reflected light to the SG-N300A are explained below. CAUTION Contact us each time:  when performing laser welding with laser conditions or layout files which operations have not been confirmed, ...
  • Page 29 MM-L300A Consider laser welding layout conditions so as not to generate situations below. For details, contact us. - Continuous irradiation around the position where the laser at light-receiving unit receives a regular reflection - Laser irradiation with conditions that workpiece is not melted due to the set up failure...
  • Page 30 Transmits the reflected light to the external trigger unit. 3) External trigger unit (option): Outputs the external trigger signal which uses the reflected light as a trigger to the MM-L300A. The external trigger unit can be mounted at the bottom surface of the MM-L300A. 5. Connecting Equipment...
  • Page 31 MM-L300A (2) Connecting the external trigger unit to the MM-L300A Reverse the MM-L300A and remove four rubber feet at the bottom surface. The removed rubber feet are no longer used. Store or discard them as needed. Loosen two screws at the rear panel of the external trigger unit to remove the internal metal plate.
  • Page 32 Arrange the upper surface of the external trigger unit so as to overlap at the bottom surface of the MM-L300A. From screw hole of the rubber foot removed in Step 1, fix the MM-L300A and the external trigger unit with the screw attached to the external trigger unit.
  • Page 33 Insert the internal board removed in Step 2 into the original position and fix it with the screw removed earlier. Connect the attached external trigger unit connecting harness to the TRIGGER connector of the MM-L300A and the POWER connector of the external trigger unit. 5. Connecting Equipment...
  • Page 34 MM-L300A (3) Connecting the reflected light transmission fiber to the external trigger unit or the external trigger input unit * Both cable gland and holder to remove are equivalent. Remove four M3 screws fixed at the external trigger unit or external trigger input unit and remove the cable gland and holder.
  • Page 35 MM-L300A Align the groove on the output unit side and the key provided on the optical fiber side to mount the optical fiber on the end face checker, and then apply light from the oblique direction. Lighting Check the end face of the optical fiber. If it is not stained or dust is not attached, proceed to Step 9.
  • Page 36 MM-L300A Check the end face with the end face checker again. If there is stain, dust and streak, repeat above steps. Check that there is no stain, dust and streak and mount it on the external trigger unit or external trigger input unit.
  • Page 37 MM-L300A 11) Fix the holder with the M3 screw first removed like the original. Finally, tighten the cable gland. (Recommended torque value: 4.0 N-m) 5. Connecting Equipment 5-23...
  • Page 38 This is available when the GWM is used, and products in a red frame are added by adding the GWM external trigger input cable. This allows to output the external trigger from the laser device to the MM-L300A and start measurement with the MM-L300A in accordance with the laser irradiation.
  • Page 39 MM-L300A Configurations when the FL-PL welder I/O conversion harness is not used Remove the EXT.I/O (1)-LASER cable and the GWM external trigger input cable instead. The removed cable is no longer used. Store or discard it as needed. 5. Connecting Equipment...
  • Page 40 MM-L300A Configurations when the FL-PL welder I/O conversion harness is used Remove the EXT.I/O (1)-LASER cable and the GWM external trigger input cable instead. The removed cable is no longer used. Store or discard it as needed. 5. Connecting Equipment...
  • Page 41 MM-L300A (2) How to set the trigger output from the YAG laser welder (ML-2xxx) It is necessary to change the laser device setting to output the trigger from the laser device on the MEMORY SWITCH screen of the INITIALIZE screen.
  • Page 42 MM-L300A 6. How to Operate the PC Software This chapter explains how to operate the PC software of the MM-L300A. (1) Setup (1) Installation The PC specifications are as follows: 2 core / 1.6 GHz or more Memory 2 GB or more 1 port (100BASE-T/100BASE-TX/10BASE-T compliant) [RJ-45] Windows 7/8.1/10, Professional 32 bit / 64 bit...
  • Page 43 MM-L300A Click the [Next] button. Set the destination folder and click the [Next] button. The default is [C:¥Miyachi¥MM_L300A]. 6. How to Operate the PC Software...
  • Page 44 MM-L300A Click the [Next] button. When the installation is completed, the following screen appears. Click the [Close] button to exit. The following icon is created on desktop and registered in the program menu. 6. How to Operate the PC Software...
  • Page 45 (2) IP address setting Set the IP address of the personal computer. The IP address of the MM-L300A has been set to [192.168.1.10] at the factory. Use [192.168.1.100] or later for the IP address of the personal computer. Setting procedure (for Windows 10) From the control panel, select [Network and Internet].
  • Page 46 MM-L300A Click [Properties]. Select [Internet Protocol Version 4(TCP/IPv4)] and click [Properties]. 6. How to Operate the PC Software...
  • Page 47 MM-L300A Input the IP address. Set the IP address to [192.168.1.100] or later and the Subnet mask to [255.255.255.0] as shown below and click the [OK] button. 6. How to Operate the PC Software...
  • Page 48 MM-L300A (2) Starting the Application (1) Start procedure Click MM-L300A from the program menu of the personal computer or desktop icon to start the Menu Window. (Refer to (3).) To obtain the waveform data with this application, 5 GB or more of the free capacity of the saving drive on the HDD is required.
  • Page 49 Online: Indicates that connection between this application and the MM-L300A is established. Offline: Indicates that this application and the MM-L300A are not connected. The condition number (00 to 63) set on the MM-L300A is Condition Number displayed. The condition number can be set in either [Local mode] or [Remote mode].
  • Page 50 MM-L300A Item Description Software The information on software version is displayed. Version PC: MM-L300A’s software version FPGA: MM-L300A’s FPGA version CPU: MM-L300A’s CPU version SENSOR: SU-N300A/SG-N300A’s CPU version Acquire Wave Moves to the Acquire Wave Data Window. (Refer to (4).) Data Unavailable at the time of off-line.
  • Page 51 The filename of waveform data to be saved is the obtained time at the time. Be sure to transfer the system time of the personal computer to the MM-L300A in advance by the current time setting displayed at the bottom of the Maintenance Window. Also, set the current time in a similar way when replacing the personal computer.
  • Page 52 Clicking the [Start data receive] button saves and displays the waveform data transferred from the MM-L300A. When the waveform data already exist in the internal memory of the MM-L300A, newly obtained waveforms are transferred after the data in the memory is transferred.
  • Page 53 When the number of waveforms exceeds 20000, the oldest waveform data is sequentially erased and overwritten. Click the [Start data receive] button again to transfer data held in the MM-L300A in the personal computer. 6. How to Operate the PC Software...
  • Page 54 The connection state with the MM-L300A is displayed. Status display Online: Indicates that connection between this application and the MM-L300A is established. Offline: Indicates that this application and the MM-L300A are not connected. Condition The measurement condition number of the selected waveform is Number displayed.
  • Page 55 All Data Transfers all data of the measurement condition number (00 to 63) to the MM-L300A. Translate Valid only at the time of on-line and displayed in gray at the time of off-line. When the [Menu] button is clicked without data transferred, the confirmation window appears.
  • Page 56 MM-L300A (6) Condition Configuration Window Select the condition number to edit the measurement condition from the Condition Select Window. When the [Select] button on the Condition Select Window is clicked, the Condition Configuration Window is displayed. Ratio setting (10) (13)
  • Page 57 Condition The condition number (00 to 63) selected on the Condition Select Number Window is displayed. The unit ID number set in the connected MM-L300A is Unit ID displayed. It can be changed on the Maintenance Window. Measurement Sets the time required for obtaining a waveform of the...
  • Page 58 (19) File Save Saves the setting condition into the personal computer. Not transferred to the MM-L300A. The storage is completed, the confirmation window is displayed. When the setting condition is changed and the [Menu] or [Back] button is clicked without saved, the caution window notifying the operator of that the data is not saved appears.
  • Page 59 MM-L300A Threshold Upper limit (Not displayed in the Acquire judgment value Wave Data Window) does not affect threshold. Dot line indicates the lower limit judgment value when threshold is not set. 6. How to Operate the PC Software 6-18...
  • Page 60 MM-L300A (7) Basis Waveform Calculation Window Edit the reference waveform. Click the [Waveform Calculation] button on the Condition Configuration Window to display the Basis Waveform Calculation Window. When the filter mode is set to [Basis waveform condition], the waveform data list used for creating the reference waveform is displayed.
  • Page 61 MM-L300A Item Description Average times Displays the number of moving average. Select wave: Displays the number of moving average when waveform selected in the waveform data list is obtained. When two or more waveforms are selected and they have different number of moving averages, nothing is displayed.
  • Page 62 MM-L300A (1) Waveform graph viewer When the [Graph] button on the Basis Waveform Calculation Window is clicked, the graph of the waveform data selected in the waveform data list is displayed. Up to 100 waveform data can be displayed. The graph is enlarged or reduced by turning a mouse wheel up and down (up: enlarged, down: reduced).
  • Page 63 MM-L300A Upper limit over point Lower limit over point Note) If the condition judged as abnormal has been changed thereafter, judgments are performed by the changed condition. When [NG Point View] is selected with old and new condition numbers mixed, an error occurs. For the changed condition, also change the condition number before saving it.
  • Page 64 MM-L300A (2) CSV file The CSV file is output in the following format. (Example of CSV data) column: Data item column: Waveform data Date 2017/10/13_ Waveform obtained date and time 16:39:39.405.618 Wave num Waveform data number (0 to 255) Result...
  • Page 65 MM-L300A (3) Filter The reference waveform can be narrowed by setting the filtering condition when creating waveforms. 1) When the [Filter] button on the Basis Waveform Calculation Window is clicked, the Filter Window is displayed. Default and contents for parameters to set are as follows.
  • Page 66 MM-L300A Default Contents Measurement Time ALL, 1 us to 999 sec Status ALL, Normal, Abnormal Limit judge ALL, Abnormal, UpperOver, LowerOver, RangeOver (*1) Integral Search condition AND, OR (*2) Integral section1 ALL, Not covered, Abnormal, UpperOver, judge LowerOver (*3) Integral section2...
  • Page 67 MM-L300A (4) Selection of the waveform data The obtained waveform data list is displayed on the Basis Waveform Calculation Window. Select the waveform data to use for creating the reference waveform. To select it, turn on/off the checkbox in [Selected]. To select two or more waveforms, drag with a mouse and right-click.
  • Page 68 MM-L300A (5) Calculation of the selected waveform data Select the waveform data and click the [Calculate] button. The Condition Configuration Window is displayed automatically. The condition of average is selected by default. According to the use, Average, Range or ±3σ can be selected from the combo box.
  • Page 69 MM-L300A - Upper limit judgment value: maximum value of the selected data - Lower limit judgment value: minimum value of the selected data ±3σ Upper limit judgment value (+3σ of the selected waveform) Reference waveform (Data average value) Lower limit judgment value (-3σ...
  • Page 70 MM-L300A (6) Editing the upper/lower limit judgment value [Ratio setting] Set the upper/lower limit judgment value for determining whether the obtained waveform is normal or abnormal. Adjust and edit the upper/lower limit of the reference waveform data created on the Basis Waveform Calculation Window.
  • Page 71 MM-L300A Set the upper/lower limit judgment value, and then set the position from Average, Range, or ±3σ in the unit of %. (1% ≒ graph intensity scale × 1/100)  If the setting range conditions above is not satisfied, a message appears when a condition is changed or added.
  • Page 72 MM-L300A When the Detail Condition Window is opened by clicking the [Set Condition] button, the current setting condition is added. When the Detail Condition Window is opened by clicking the [Detail Display] button, the currently registered condition is displayed. When you right-click on the datagrid, the menu for [Delete row], [Add a row] and [All clear] is displayed and the following operations can be made.
  • Page 73 MM-L300A (7) Editing the upper/lower limit judgment value [Direct setting] Set the upper/lower limit judgment value for determining whether the obtained waveform is normal or abnormal. Adjust and edit the upper/lower limit judgment value of the reference waveform created on the Basis Waveform Calculation Window.
  • Page 74 MM-L300A Click the [Set Condition] button and create the (upper or lower limit) judgment value of the specified section. Repeat operations in Steps 3 to 4 and create an arbitrary (upper or lower limit) judgment value. Create another judgment value (upper or lower limit).
  • Page 75 MM-L300A (8) Integral Configuration Window Click the [Integral] button on the Condition Configuration Window to display the Integral Configuration Window, and set conditions of integral judgment. This function will be effective when the amplitude is large and it is difficult to perform a judgment only with the upper/lower limit judgment value.
  • Page 76 MM-L300A Item Description Lower On the left side, the integrated value of the lower limit judgment value of the mode selected for [Calculate mode] is displayed. When inputting a ratio of the setting value to the integrated value of the lower limit judgment value (0 to 999%), the judgment value is displayed on the right side.
  • Page 77 MM-L300A Calculate mode: Range Since the upper limit judgment value is the maximum value of the selected data and the lower limit judgment value is the minimum value of the selected data, upper limit and lower limit are calculated in the set section respectively.
  • Page 78 MM-L300A Upper limit line Lower limit line 6. How to Operate the PC Software 6-37...
  • Page 79 MM-L300A (9) Parameter Setting Window Click the [Parameter Setting] button on the Condition Configuration Window to display the Parameter Setting Window, and set the following parameters for each Condition Number. Item Description Skip times Ignores comparison of waveforms during times specified here (0 to 255) x judgment cycle interval time .
  • Page 80 MM-L300A Item Description Average times Example) In case of 5 of moving average with p(1)=100, p(2)=200, p(3)=300, p(4)=400, and p(5)=500 (continued from previous page) a(1) a(2) a(3) a(4) a(5) p(1) p(2) p(3) p(4) p(5) Each point value Specifies gain value (0 to 127) of the SU-N300A/SG-N300A.
  • Page 81 MM-L300A Item Description Amplitude (*1) Sets a threshold of the intensity of a part where the measured value exceeds the upper limit line or falls below the lower limit line (upper and lower limit lines respectively). When 10000 is set for the upper limit line amplitude: Amplitude is exceeded.
  • Page 82 MM-L300A Area, Amplitude and Times perform a judgment with the OR condition. Also, when the Skip times is set, they do not perform a judgment during the Skip times. Each judgment is performed when the Skip times is exceeded. 6. How to Operate the PC Software...
  • Page 83 MM-L300A (10) Maintenance Window To set conditions, click the [Maintenance] button on the Menu Window. The following Maintenance Window is displayed. (18) (10) (14) (11) (15) (12) (16) (13) (17) Item Description Language Selects language notation (Japanese, English, or Chinese).
  • Page 84 Trigger Mode: Specifies the internal trigger (Internal) or external trigger (External). Unit ID: Sets the unit ID to measure with the MM-L300A. Storage destination: Specifies the measurement condition and the storage destination of the obtained waveform data. Click the [...] button to display the folder selection dialog and select the...
  • Page 85 Description (16) Error Info The contents of error can be checked when an error occurs in the MM-L300A. (Refer to (4) Error information.) (17) Data backup Performs backup and restoration of data saved in the memory of the MM-L300A. (Refer to (5) Data backup.)
  • Page 86 MM-L300A (1) Password change The password is requested when [Maintenance] on the Menu Window is clicked in Operator mode. The password can be changed on the following window. The password is displayed by [*]. (Default of password: None) Item Description Old password Inputs the previous password.
  • Page 87 When completing the updating of the CPU, the following message appears. When the [OK] button is clicked, the MM-L300A returns to the Menu Window to restart the CPU and enters off-line state. When it enters on-line again, the CPU version on the Menu Window changes to the updated version.
  • Page 88 IP address. CSV file output Specifies the folder to output the CSV file. folder Saves the set contents and applies it. The MM-L300A starts Apply with saved contents at the next start-up. Close Closes the window.
  • Page 89 MM-L300A (4) Error information When an error occurs in the MM-L300A (ERROR lamp lights up), click the [Error Info] button to display the error contents. All errors occurring are displayed as shown below. Depending on the ambient operating temperature, the error code No. 0003 Peltier temperature error may occur immediately after the MM-L300A starts.
  • Page 90 MM-L300A (5) Data backup Data saved in the memory card on the MM-L300A can be saved in any folder on your computer. Click the [Data backup] button on the Maintenance Window. The Data Backup window is displayed. Data backup Click the [Backup] button.
  • Page 91 When restoration is completed, the following message appears. When the [OK] button is clicked, the Menu Window is displayed. The MM-L300A restarts automatically and the restored data is enabled. When the [Cancel] button is selected, turn off and on the power to the MM-L300A to enable the restored data.
  • Page 92 MM-L300A (11) External Device Communication In the external device communication, by connecting the external device (personal computer, PLC) and the personal computer on which this application runs with a LAN cable, the waveform data in the period specified by the external control device can be saved in the specified CSV file and the average integrated value can be obtained.
  • Page 93 MM-L300A Waveform-obtaining image ・Actual signal ・Obtaining by this application All waveforms are transferred. ・Obtaining by the external device communication The section for obtaining waveforms is specified. Waveforms obtained between start and stop can be output in CSV and the average integrated value can be obtained.
  • Page 94 MM-L300A Processing contents: Instructs the stop of waveform-obtaining section. When waveform data is not being received on the Acquire Wave Data Window and the waveform-obtaining section start command is invalid, FAIL is returned. CSV file output Method: POST Request URL: http://***.***.***.***/wave/ (***.***.***.***: IP address selected in the external device communication setting.)
  • Page 95 MM-L300A Waveform-obtaining section start Command: "START" Parameter: None Response: Successful: "SUCCESS" Failed: "FAIL" Processing contents: Instructs the start of waveform-obtaining section. When waveform data is not being received on the Acquire Wave Data Window, FAIL is returned. Waveform-obtaining section stop Command: "STOP"...
  • Page 96 MM-L300A (3) Example of execution procedure Start this application software. Move to the Acquire Wave Data Window to start obtaining waveforms. Issue the “START” command from the external control device. Start laser welding. End laser welding. Issue the “STOP” command from the external control device.
  • Page 97 MM-L300A Click [Advanced settings]. Click [Inbound Rules]. 6. How to Operate the PC Software 6-56...
  • Page 98 MM-L300A Click [New Rule]. Select [Custom] and click the [Next >] button. 6. How to Operate the PC Software 6-57...
  • Page 99 MM-L300A Input "system" in [This program path] and click the [Next >] button. Select TCP in [Protocol type], select Specific Ports in [Local port], input “80”, and then click the [Next >] button. 6. How to Operate the PC Software...
  • Page 100 MM-L300A Select [Any IP address] and [Any IP address], and click the [Next >] button. Select [Allow the connection] and click the [Next >] button. 6. How to Operate the PC Software 6-59...
  • Page 101 MM-L300A 10) Select [Domain], [Private] and [Public], and click the [Next >] button. 11) Enter an arbitrary name and click the [Finish] button. 6. How to Operate the PC Software 6-60...
  • Page 102 MM-L300A  Setting procedure of the socket communication From the Network and Sharing Center, click [Windows Firewall]. Click [Allow a program or feature through Windows Firewall]. 6. How to Operate the PC Software 6-61...
  • Page 103 MM-L300A Click the [Allow another program] button. Click the [Browse] button. Select [MM_L300A.exe] from the installation destination of this application. 6. How to Operate the PC Software 6-62...
  • Page 104 MM-L300A Click the [Add] button. Enables [Home/Work (Private)] and [Public]. 6. How to Operate the PC Software 6-63...
  • Page 105 Contents Range (default)  Condition Select Window Item Contents Range (default) Specifies the ID of the MM-L300A. Unit ID 00001 to 65535 (ID specified on the (can be set at the time of off-line.) Maintenance Window)  Condition Configuration Window...
  • Page 106 MM-L300A  Filter Window Item Contents Range (default) Start date Specifies the start date to filter. 2000.1.1 to 2099.12.31 (current date) Start time Specifies the start time to filter. 00:00:00 to 23:59:59 (00:00:00) End date Specifies the end date to filter.
  • Page 107 Sets the unit ID to measure with the 00001 to 65535 (00001) MM-L300A. Storage Destination Sets the data storage destination. (destination of installation) Specifies the IP address of the MM-L300A. IP Address Connection IP address (192.168.1.10) Pulse Width Sets the pulse width when the pulse output 1 to 100 (1) is selected for Data Output Signal.
  • Page 108 MM-L300A  Password change Window Item Contents Range (default) Old password Specifies the previous password. 1 to 16 half em alphanumeric characters (None) New password Specifies the password to change. 1 to 16 half em alphanumeric characters Re-enter new Specifies the password to change.
  • Page 109 Install the MM-L300A and peripheral equipment. (Refer to 5. Connecting Equipment.) Turn on the power switch provided on the rear of the MM-L300A and confirm that the POWER lamp of the display panel on the front lights up. Turn on the personal computer in which the PC software of the MM-L300A is installed.
  • Page 110  SU-N300A: When the time at least 100 times as long as the laser irradiation time is set, the sampling cycle becomes large and waveforms obtained from the MM-L300A become likely to be varied. (Refer to examples on the next page.)
  • Page 111 MM-L300A (Example) When obtaining 30 shots of 1-ms laser irradiation with 3 ms, 100 ms, and 1 s of the measurement time Comparison of the maximum values of each laser irradiation for 30 shots Measurement time: 3 ms Obtained waveform: 30...
  • Page 112 Same as the SU-N300A, when the time at least 100 times as long as the laser irradiation time is set, the sampling cycle becomes large and waveforms obtained from the MM-L300A become likely to be varied. However, is more affected by spatter than the SU-N300A. (Refer to examples below.)
  • Page 113 MM-L300A Set other items such as comments and parameters accordingly. For how to set, refer to each item in 6. How to Operate the PC Software. After completing setting, click the [File Save] button to save the setting condition in the personal computer.
  • Page 114 MM-L300A Click the [All Data Translate] button to transfer the setting condition to the MM-L300A. After transferring, click the [Menu] button to return to the Menu Window. Click the [Maintenance] button on the Menu Window. 7. Basic Operation...
  • Page 115 MM-L300A 10) Click the [Guide ON] button on the Maintenance Window and check that the guide light (green light) is emitted from the SU-N300A. Adjust the SU-N300A externally or coaxially so that the center of the guide light and the center of the measurement point align.
  • Page 116 MM-L300A  External From the TRIGGER connector on the rear of the MM-L300A, connect the external trigger signal. (Refer to 9. Interface.) It is not necessary to set the Trigger of the System Parameter. Also, when using the external trigger unit, select [External].
  • Page 117 MM-L300A 12) After completing setting, click the [Set System Parameter] button to transfer the set value to the MM-L300A. At this time, keep the initial values; the Digital Gain is 1.0000 and the Offset is 0. (Refer to 12. (5) About the SU-N300A/SG-N300A.)
  • Page 118 MM-L300A (2) Obtaining Waveforms This section describes how to obtain waveforms with the MM-L300A whose conditions are set. CAUTION  Take care of laser when performing operation.  Read cautions for each item in the operation manual carefully to use the instrument properly.
  • Page 119 MM-L300A Click the [Start data receive] button on the Acquire Wave Data Window. When measurement waveforms are saved in the memory of the MM-L300A, they are transferred to the personal computer. (Refer to 6. (4) Acquire Wave Data Window.) Emit a laser with a data receiving state and perform measurement with the MM-L300A.
  • Page 120 MM-L300A (3) Setting Quality Judgments This section describes how to make quality judgments with the MM-L300A. CAUTION  Take care of laser when performing operation.  Read cautions for each item in the operation manual carefully to use the instrument properly.
  • Page 121 MM-L300A Obtain sample waveforms several times with the same processing conditions of a good product as Step 1 and setting conditions of the MM-L300A. The larger the number of sample waveforms is, the more stable data is. (Example) Measuring waveforms with processing conditions of a good product 10...
  • Page 122 Referring to the reference waveform, create the waveform condition so that a tendency checked in Step 1 is judged as abnormal in the reference waveform setting of the MM-L300A. (Refer to 6. (6) to (9).) (Example) When making judgment in the heat dissipation part after laser end (1.1 to 2.0 ms)
  • Page 123 Just like Step 1, perform a good product processing and a defective product processing with the set condition number and check if a judgment is made as desired with the MM-L300A. If a judgment is not made as desired, perform adjustments in Steps 1 to 5 again.
  • Page 124 MM-L300A 8. Measurement Data (1) Storing Data The following data (up to 20,000) is stored into the memory built in the MM-L300A. Data that can be stored Date, Time Condition No. Judgment result Waveform data (divided into 3000 max.) 8. Measurement Data...
  • Page 125 MM-L300A (2) Conditions for Obtaining Waveform Trigger Trigger Trigger Trigger Trigger ・・・・・・ Time t: Waveform length (measurement time of condition setting) T: Trigger cycle of obtaining waveform n: Number of waveforms per second (1) When conditions are not switched between laser weldings...
  • Page 126 MM-L300A (2) When conditions are switched between laser weldings t: Waveform length (measurement time of condition setting) T: Trigger cycle of obtaining waveform n: Number of waveforms per second Quality judgment condition: T-t≧5.5ms ● Relation between number of waveforms per second (trigger cycle of obtaining waveform: Ｔ) and waveform length (measurement time of condition setting: ｔ)
  • Page 127 MM-L300A 9. Interface (1) Inputs/Outputs Using the interface that is provided as standard allows you to select measurement condition of the MM-L300A, check quality judgment results, and collect measurement data, etc. Connected device Connector name in Remarks Personal computer, etc.
  • Page 128 Power supply for external input signals. This pin is exclusively used for the MM-L300A. Do not use it for any other purpose. IN COM IN COM. This pin is exclusively used for the MM-L300A. Do not use it for any other purpose. RESET signal (RESET (in)) If trouble arises, an alarm is activated.
  • Page 129 MM-L300A Condition Number Selection Set "Condition Number" by combining pin No.2 to pin No.7 (condition signals 0, 1, 2, 3, 4, and 5) inputs. Signal Condition5 Condition4 Condition3 Condition2 Condition1 Condition0 ● ● ● ● ● ● ● ● ●...
  • Page 130 Do not connect a cable other than the dedicated cable. (3) TRIGGER By inputting the external trigger signal to the MM-L300A, can be measured in an arbitrary timing. MEASURE is the signal during obtaining data. Refer to (4) Timing Chart.
  • Page 131 * Since this unit uses the TRIGGER connector of the MM-L300A, pin Nos. 5 and 6 of the TRIGGER connector of the MM-L300A are disabled. When using the MEASURE signal, use pin Nos.
  • Page 132 Unused Do not connect anything. 0-10V input (TRRIGER_IN+(in)) When 10 V is input, a measurement of the MM-L300A can be started at an arbitrary timing. Analog GND (TRRIGER_IN-(in)) When inputting voltage to pin No.4, connect to the GND on the measuring side.
  • Page 133 MM-L300A (3) Example Connections of External Input/Output Signals (1) When connected to an external power source Inside of the laser EXT +24V EXT.I/O: 1 TRIGGER: 1 ● Input circuit FODM2705 4.7k EXT.I/O: 2~7,10 4.7k EXT.I/O: 9 FODM2705 4.7k 24VDC 24VDC TRIGGER: 2 4.7k...
  • Page 134 MM-L300A (2) When using a contact signal Inside of the laser EXT +24V EXT.I/O: 1 TRIGGER: 1 ● Input circuit FODM2705 4.7k EXT.I/O: 2~7,10 4.7k EXT.I/O: 9 4.7k FODM2705 TRIGGER: 2 4.7k TRIGGER: 3 ● Out put circuit TLP176G EXT.I/O: 11~14...
  • Page 135 MM-L300A (3) When connected to an internal power source and using an open-collector signal Inside of the laser EXT +24V EXT.I/O: 1 TRIGGER: 1 ● Input circuit FODM2705 4.7k EXT.I/O: 2~7,10 4.7k EXT.I/O: 9 FODM2705 4.7k TRIGGER: 2 4.7k TRIGGER: 3 ●...
  • Page 136 MM-L300A (4) When connected to the external trigger unit (option) Inside of the laser ● Input circuit When connected to a contact signal and an external power source UPC4074G2 - A MEASURE : 4 10VDC *1 *1 Do not input over 10VDC.
  • Page 137 MM-L300A (4) Timing Chart An example of timing chart for the case where the power supply of the MM-L300A is turned on, measurement by laser processing is performed and judgment is made is shown below. In each timing chart, the equipment operation is represented on the axis of ordinates and...
  • Page 138 (2) From the trigger input to the measurement judgment output (common) The following diagram shows the lapse of time in the case where measurement by the MM-L300A is performed 4 times, and the first and second measurements are judged as OK and third and fourth measurements are judged as NG.
  • Page 139 MM-L300A at the same timing as the laser oscillation signal. *4: The minimum time from measurement end to start of the MM-L300A is 1 μs. However, at least 500 μs is required for check a correct measurement judgment output.
  • Page 140 MM-L300A (4) When conditions are manually switched in external trigger mode and local mode The following diagram shows the lapse of time in the case where the external trigger mode is switched from conditions in (3) and the external trigger is input at the same...
  • Page 141 *6: When the interval between Condition 0 and Condition 1 is later than 3 ms, condition number is transmitted to the MM-L300A in the order of 0 → 1 → 3. To turn on and off multiple conditions, change all conditions within 3 ms after the condition switching start.
  • Page 142 MM-L300A (6) When conditions are switched by external I/O in eternal trigger mode and remote mode The following diagram shows the lapse of time in the case where the external trigger mode is switched from conditions in (5) and the external trigger is input at the same timing as laser oscillation.
  • Page 143 JSON objects can be used when connecting to the LAN connector on the rear of the MM-L300A. The communication settings such as IP address of the MM-L300A are set on the attached PC software. Refer to 6. (10) Maintenance Window.
  • Page 144 MM-L300A Name Data type Note status Number Judgment result. Number is returned as follows: 1: Normal 2: Upper limit over * 4: Lower limit over * 6: Upper and lower limits over * 0: Integral judgment error (No upper and lower limits over.
  • Page 145 Number of partial integration (Integral-num), l (3) Returning the total number of waveforms obtained from the start of the MM-L300A Input and send GET:http://___.___._.__/api/1/waves/total.json. (IP address of MM-L300A) This value is not reset by [Counter Reset] on the PC software. Name Data type...
  • Page 146 MM-L300A and change settings. Access the MM-L300A The MM-L300A works as an adapter (server) device on the EtherNet/IP network. The MM-L300A cannot start the request. A scanner (client) device starts the request for the MM-L300A. Regarding request, there are two types of message: ...
  • Page 147 Then, temporarily tighten the screws with the screws removed in Step 1. Turn OFF the MM-L300A. Inserting the ANYBUS connector without turning OFF the MM-L300A may result in malfunction. Remove the cover and the M3 screw attached at the ANYBUS on the rear of the MM-L300A with a screwdriver.
  • Page 148 If the LED does not light up normally, perform Step 5. It may a contact failure of the connector. Cable connection with the MM-L300A Install the EtherNet port to connect to a network by EtherNet/IP (option). Connect the LAN cable (option) to the EtherNet port. For how to use EtherNet/IP, consult us.
  • Page 149 The network setting can also be obtained through the TCP/IP interface object. Preparation of scanner (client) device To make the MM-L300A participate in network, you need to first install the device profile (EDS (Electronic Data Sheet) file) of the MM-L300A to a scanner (client) device.
  • Page 150 (3) Explicit Message Explicit message is request response type communication. The MM-L300A can read (Get) and write (Set) following data. The parameters of each data shown below are assigned to Parameter object. The number shown in the following table is the instance number of Parameter object.
  • Page 151 [2]: High-order 32 bit of NG count [3]: Low-order 32 bit of NG count Unit ID UINT Unit ID IP address setting of the MM-L300A (LAN IP Address USINT array [4] connector) Subnet mask setting of the MM-L300A Subnet Mask...
  • Page 152 MM-L300A Data name Data type Access Data contents Use memory Area UINT Used memory area Current Time USINT array [5] Current time [0]: Year (last two digits) [1]: Month [2]: Day [3]: Hour [4]: Minute [5]: Second Digital Gain UINT...
  • Page 153 Wave Count 88 in total For details of data, refer to “Data of the MM-L300A” in (3) Explicit Message. The MM-L300A supports the implicit message, but read only. There is no writable data. (The instance ID150 of Assembly object is assigned to writing data, but the data size is 0.)
  • Page 154 MM-L300A (5) LED Status Indication Each LED on the ANYBUS connector indicates a network connection status. Item Network status (NS) LED Module status (MS) LED Link / Activity LED (Port 1) Link / Activity LED (Port 2) (1) Network status (NS) LED...
  • Page 155 MM-L300A (6) Specifications The basic specifications of EtherNet/IP server function of the MM-L300A are shown below. For specifications other than EtherNet/IP of the MM-L300A, refer to 13. Specifications. Item Specification Maximum number of 6 (Explicit) + 4 (Implicit) connections Use port...
  • Page 156 MM-L300A 12. Maintenance (1) Troubleshooting When an error occurs in the MM-L300A, the ERROR lamp on the display panel lights up in red. ERROR lamp lit The error contents are displayed on the Error Information Window (displayed by clicking the [Error Info] button on the Maintenance Window).
  • Page 157 MM-L300A? Is the IP address of the Change it on the Maintenance MM-L300A set to Window. (Refer to 6. (10) [192.168.1.10] when connecting it Maintenance Window.) for the first time after purchase? Is the LAN cable connected? Connect the LAN cable.
  • Page 158 Menu Window? not turned on.) Waveforms cannot be Is the monitoring point the Align the monitoring point of the MM-L300A aligned with the MM-L300A with the processing obtained. / The intensity of waveform is low or processing point? point.
  • Page 159 MM-L300A Symptoms that occur after waveforms are obtained Symptom Confirmation item Measures Quality judgment cannot Is the setting of the upper/lower Change the setting. be performed. limit judgment value proper? Is the Threshold setting proper? Check the setting. Is the Skip times setting proper? Check the setting.
  • Page 160 MM-L300A For lineup of the filter for SU-N300A/SG-N300A, refer to 3. (2) (4) Options. When performing measurement with the same setting condition, the measurement intensity changes as shown below. Condition 1 Line color Filter for SU-N300A Brown No filter for SU-N300A ...
  • Page 161 MM-L300A Condition 3 Line color Filter for SG-N300A Light blue No filter for SG-N300A  Grey Filter for SG-N300A 35% 1 piece  Green 5% 1 piece     Time [msec] 12. Maintenance 12-6...
  • Page 162 MM-L300A (2) Cleaning/Replacing the Protective Glass The protective glass is designed to prevent the lens from atmospheric dust, spatter from the workpiece, and so on. If dirty, this may lead to laser power loss. Therefore, regular cleaning and replacement is necessary.
  • Page 163 MM-L300A Turn the protective glass holder at the tip of the SU-N300A/SG-N300A to detach from the SU-N300A/SG-N300. When the filter for SU-N300A is mounted, it is not necessary to remove the filter (as shown in the lower right figure). Remove the protective glass in the protective glass holder.
  • Page 164 MM-L300A Fit the clean (or a new) protective glass into the stepped section of the protective glass holder. The glass orientation is not important. Turn the protective glass holder until the protective glass is fixed. SU-N300A: After confirming that the O-ring for main unit is attached to the SU-N300A, mount the protective glass holder.
  • Page 165 Screw Screw After one minute from turning OFF the power switch and disconnecting a plug from the outlet, remove four screws on the rear of the MM-L300A with a Phillips screwdriver. Screw Screw Screw Screw 12.
  • Page 166 MM-L300A Slide the sheet metal cover from the front side to the rear side and pull it upward to remove it. Front side Front side Battery Pull up Rear side Rear side Replace an old battery with a new one not to touch the power supply part.
  • Page 167 MM-L300A (4) Replacing the Fuse A fuse will be blown out in case of the occurrence of the exceeding the rated voltage (applying overvoltage). If a fuse is blown out, replace it according to the following procedure. (1) Maintenance parts Item Model No.
  • Page 168 MM-L300A (5) About the SU-N300A/SG-N300A The SU-N300A/SG-N300A does not guarantee the absolute value. The output intensity of the SU-N300A/SG-N300A can be used for comparison to the relative value. It assumes that waveform data can be always obtained with the same intensity under the determined conditions (laser output, profile, workpiece, and surface state are the same).
  • Page 169 Class D grounding External network Optionally available (Refer to 11. EtherNet/IP.) Dimensions 230 (W) x 391 (D) x 49 (H) mm Supplied from the MM-L300A main unit Supply power voltage Detection wavelength 900 to 1,700 nm Ambient operating temperature 0 to 40ºC (without condensation)
  • Page 170 II, only use of an outlet Altitude 2000 m max. MM-L300A and SU-N300A are applicable. CE marking *1: Use this product in the environment without conductive dust. If conductive dust enters in the product, this may result in a failure, electric shock, or fire. When using this product in this environment, make contact with us.
  • Page 171 MM-L300A the influence of environmental temperature, it is recommended to set the analog gain to a small value. Correlation graph between analog gain and ambient temperature Analog gain Ambient temperature [C°] 13. Specifications 13-3...
  • Page 172 MM-L300A 14. Outline Drawing The unit is mm. (1) MM-L300A Mass: approx. 3.0 kg When assembling the external trigger unit Mass: approx. 4.4 kg (excluding the reflected light transmission fiber) 14. Outline Drawing 14-4...
  • Page 173 MM-L300A (2) SU-N300A Mass: approx. 0.2 kg (With filter for SU-N300A) * Dimensions of the filter are common to all models. 14. Outline Drawing 14-5...
  • Page 174 MM-L300A (3) Coaxially Mounting Adapter Incorporated with the SU-N300A (Option) Mass: approx. 0.5 kg (excluding the SU-N300A and camera unit, and including mounted accessories) Cable minimum bending radius R70 C-mount ring C-mount ring Output unit *1 The C-mount ring (4 mm in height) is used at either of two places.
  • Page 175 MM-L300A (4) SG-N300A Mass: approx. 1.6 kg * All four cables are the same length. Light-receiving unit part Mass: approx. 130 g The range of square part moves φ58 mm by adjusting the angle of the light-receiving unit. 14. Outline Drawing...
  • Page 176 MM-L300A Sensor part Mass: approx. 1.0 kg (including the external trigger input unit) External trigger unit (option) *1 When the external trigger input unit (option) is not mounted, a lid is added to the part “a” and the dimension changes from 101.5 mm to 56.2 mm.
  • Page 177 MM-L300A Assembling example of GWM scanner head (fθ lens f163 mm) GWM scanner head Fixing plate of the mounting plate for SG-N300A Mounting plate for SG-N300A Measurement range of SG-N300A Measurement range of each fθ lens (design value) fθ lens...
  • Page 178 MM-L300A (5) Mounting Plate for SG-N300A (Option) Mass: approx. 4.0 kg (excluding the SG-N300A) Recommended dimension of the mounting plate for SG-N300A A and B are depth and width of the mounting plate for SG-N300A. For dimensions to fix the galvanometer scanner, refer to the operation manual for each galvanometer scanner.
  • Page 179 MM-L300A (6) SUS Pipe Fixing Unit (Option) Mass: approx. 0.5 kg (excluding the protective pipe and the sensor fiber) 14. Outline Drawing 14-11...