YASKAWA YWE-EH500-6N0, Instruction Manual

Page 1: ...O HW0480311 2 MOTOWELD EH500 INSTRUCTIONS TYPE YWE EH500 6N0 INPUT VOLTAGE 480V Upon receipt of the product and prior to initial operation read these instructions thoroughly and retain for future refe...

Page 2: ...ty Be sure all covers and shields are replaced before operating this product The drawings and photos in this manual are representative examples and differences may exist between them and the delivered...

Page 3: ...result in a serious accident in some situations At any rate be sure to follow these important items For safe training concerning welding utilize technical institutes held by the welding society or as...

Page 4: ...arily Any person using a pacemaker must not approach the welder or welding site under operation unless permitted by doctor The welder generates a magnetic field around it during current conduction res...

Page 5: ...h box Even if the input power supply is turned OFF the capacitor may still be charged Be sure to confirm that charged voltage is gone before starting operations Do not use any cable of insufficient ca...

Page 6: ...s generated at welding may harm your health When welding within such areas as a tank a boiler or a ship s hold be sure to ventilate sufficiently or use an inhaler etc in order to prevent or offset any...

Page 7: ...immediately after welding close to inflam mables Remove inflammables at the hidden side when welding ceiling floor or wall Failure to observe this caution may result in fire Tighten and insulate the...

Page 8: ...protective glasses to protect your eyes from spat ters or slags Scattered spatters or slags may damage eyes or burn the skin Use such protectors as leather gloves clothes with long sleeves leg covers...

Page 9: ...r face close to the discharging opening when opening the valve of the gas cylinder Be sure to attach the protective cap when the gas cylinder is not used Do not hang the welding torch over the gas cyl...

Page 10: ...poke you in the eyes face or body When hanging the wire feeder remove the anti fall fastening from the spool shaft and tighten Failure to observe this caution may cause the wire to be removed from th...

Page 11: ...ause a deterioration of insulation resulting in accidental fire Be sure to perform maintenance and inspection periodically to prevent deterioration of insulation caused by accumulation of dust and dir...

Page 12: ...der Environment 2 10 2 8 Ambient Environment 2 12 2 9 Precautions on Transporting 2 13 3 Welding Preparation 4 Operations on Panel 4 1 Explanation of Welding Source Panel 4 1 4 2 Settings on Welding S...

Page 13: ...g Switches 7 1 7 2 Location of Printed Boards 7 2 7 2 1 DIP Switch Settings for Pr MB 021 Board 7 4 7 2 2 Jumper pin Settings of the Pr MB 021 Board 7 4 8 Maintenance and Inspection 8 1 Daily Inspecti...

Page 14: ...of Welding Source Errors 12 5 12 5 Clear of Error Record 12 6 12 6 End of Diagnosis Mode 12 6 13 Process Parameters Adjustment of Welding Characteristics 13 1 Adjustable Welding Characteristics 13 1...

Page 15: ...ameter 14 6 14 2 4 Setting the D Parameter for Calibration of External Resistance to Enabled 14 6 15 Calibration Function of Welding Current 15 1 Overview of the Welding Current Calibration Function 1...

Page 16: ...motors can be selected among 0 Print servomotor default setting 1 Minertia servomotor for servo torch 2 4 roller servomotor YWE WF 340MELC Wire Feeding speed 1 5 to 18 m min Wire Feeding Slow down Sp...

Page 17: ...t Waveform Control Can be changed by P parameters in the user file Interface for Robot Con troller Refer to 10 Robot Interface Signals Output Setting Analog Input 0 to 14 V The set voltage current and...

Page 18: ...rce so as not to charge its case or lead to unstable operation 2 Connect a grounding cable of 14 mm2 or thicker to the terminal marked GROUND or EARTH 3 Be sure to ground the base metal ground resista...

Page 19: ...fluctuations in power supply voltage exceed 10 welding source conditions cannot be guaranteed and problems may occur Diameter of the input cable and the fuse capacity must be in compliance with the t...

Page 20: ...cable with the input terminal of the partition board Connected bolt of the input voltage terminal is M8 2 Ground cable 2 Connection on the Welding Side See Fig 2 Connection Diagram of Welding Source a...

Page 21: ...the connector CON 3 2 Connect the motor cable of the wire feeder to the connector CON 4 3 Connect the encoder cable of the wire feeder to the connector CON 5 Be sure to connect the welding voltage de...

Page 22: ...2 5 Connection of Electrical System 2 5 HW0480311 HW0480311 Acrobat Fig 1 Connection Diagram of Welding Source at Rear Face 22 129...

Page 23: ...2 5 Connection of Electrical System 2 6 HW0480311 HW0480311 Fig 2 Connection Diagram of Welding source at Front Face 23 129...

Page 24: ...elding Voltage Detecting Line In the connection of the welding voltage detecting line Be sure to observe the following items If the following items are not observed the amount of the spatter generatio...

Page 25: ...e Detecting Line when Rotation Axis and two welders is Used Don t connect the welding volt age detection line with the route where the welding current flows Please confirm it has run electrically betw...

Page 26: ...ing current flows Fig 4 Connection of Welding Voltage Detecting Line and Welding outputcable when two or more welders are used Be sure to connect the welding voltage detecting line If the welding volt...

Page 27: ...e welding site it must be fixed to post or cylinder stand in an upright position to prevent it from falling Also the gas cylinder must not be heated by a welding arc or the like 2 Type of Gas Cylinder...

Page 28: ...06 moisture content 0 005 or less or the equivalent Avoid using carbon dioxide gas containing moisture more than 0 005 not only for the adverse effect on welding but also because it may cause clogging...

Page 29: ...fan or exhaust duct 3 Shading Measures For shaded glasses of helmets or hand shields use filter numbers 8 to 10 of JIS T8141 for welding of thin plates since it has a weak arc beam and the arc must be...

Page 30: ...sure to stop the welding source with casters at a step and move it slowly to prevent any shock sudden Do not move the welding source with casters up a slope stairs etc Sling applications and crane or...

Page 31: ...a Forklift Observe the following points to use the forklift for transporting 1 Confirm availability of safe operations site and transfer the welding source to the installing site 2 After determining...

Page 32: ...0311 4 Others 1 Do not climb up on the welding source or place anything on it 2 Do not pass a rope directly around the welding source case during transporting Failure to observe this caution may defor...

Page 33: ...0 Print servomotor default setting 1 Minertia servomotor for servo torch 2 4 roller servomotor YWE WF340MELC Incorrect setting of the feeding motor precludes proper welding because the wire cannot be...

Page 34: ...s flow as follows 1 Press the Gas button on the panel of weld ing source The LED indicator lights and the gas flows for 20 seconds The gas automati cally stops after the 20 seconds The gas flow time c...

Page 35: ...ns during welding does not change any operation other than user file selection Be sure to stop welding before starting the panel operations NOTE Power Warning Search V Type Wire m min A PRM Select Com...

Page 36: ...Displays the weld ing voltage value V that is fed back Displays the weld ing current value A that is fed back Displays the feed ing amount m min of the motor that is fed back or the motor current Can...

Page 37: ...and the 7 segment LED indicator f blinks The welding type setting is confirmed with pressing of this button again and the 7 segment LED indicator f stops blinking Right to Left or Up and Down Move But...

Page 38: ...ts Press the button Record for 3 seconds or more to save the changed value Do not turn OFF the welding source while pressing this button The saving of condi tions is completed when the 7 segment LED i...

Page 39: ...5 31 1 2 5 33 MIG Ar 98 O2 2 Stainless steel SUS Pulse 0 9 5 46 1 0 5 42 1 2 5 44 MAG Ar 80 CO2 20 Stainless steel SUS Pulse 0 9 5 28 1 0 5 30 1 2 5 32 MIG Ar 98 O2 2 SUS Pulse 1 2 4 43 Ar Aluminum 5...

Page 40: ...fication ratio The change of the P parameters is allowed only when the user file file No 1 No 2 or No 3 is selected For details on the P parameter refer to 4 3 List of Process Parameters Follow the in...

Page 41: ...aving of conditions is completed 4 2 4 Changing Common C Parameters For the details on the common parameter refer to 4 4 List of Common Parameters The C parameter is the common parameters for the weld...

Page 42: ...ress the button PRM Set again The blinking digits move as shown below with each pressing of the button PRM Set 6 After changing the value press the button k Common PRM Select or leave it without doing...

Page 43: ...cator d ammeter A displays the soft ware switch number blinking and the 7 segment LED indicator e Wire m min WF displays ON or OFF lighting 2 Use the button or to switch d 1 and d 2 3 The blinking dig...

Page 44: ...file number where the data are to be saved 2 Press the button Record for 3 seconds or more and the 7 segment LED indica tors display dashes 3 When the saving is completed the 7 segment LED indicators...

Page 45: ...ue of C parameter C09 C09 0 Print servo Default setting C09 1 Servo torch C09 2 4 roller servo YWE WF340MELC Press the button Record button for 3 seconds or more to save the changed value To validate...

Page 46: ...error level Motor current warning Outputs a warning signal when the motor current exceeds the warning level which has been set by C parameter C25 Wire feeding and welding will be continued although t...

Page 47: ...e Wire m min blinks Change the setting value of parameter C23 to 2004 When the setting value is four digits or more use the button L to move the cursor to the 7 segment LED indicator d ammeter A The i...

Page 48: ...ion R button is pushed continuousness three times while pushing L button After the condition is stored HOLd is displayed If HOLd is displayed lock of panel operation is set In the state of lock of pan...

Page 49: ...e panel operation locked After the condition is memorized and 7 Segment LED lights again lock of panel operation has been released All the button operations of a front panel become possible Wire m min...

Page 50: ...splay No 1 Items Description P00 C Wire slow down speed P01 C Wire speed at start P02 C Starting pulse peak current P03 Reserved for system Do not change P04 C Starting pulse peak time P05 C Average v...

Page 51: ...ort circuit current increasing speed 1 P38 S Short circuit current decreasing speed 2 P39 Reserved for system Do not change P40 Reserved for system Do not change P41 Reserved for system Do not change...

Page 52: ...feeding speed ratio for welding type 2 14 aluminum Changes the amplitude based on C parameter C04 E g When C04 10 and P55 200 C04 200 20 P57 to P59 Reserved for system Do not change P60 C Synergic vol...

Page 53: ...type 2 14 alu minum 100 Current at low pulse deceleration C07 Digital meter displayed speed 1000 ms Time for average moving for dis play of current voltage digital meter C08 External resistance set va...

Page 54: ...m 48 Do not change C27 Reserved for system 600 Do not change C28 Error outside the range of out put current 0 0 If the output current is outside the range the error Err790 Err791 is issued after weldi...

Page 55: ...hange D 1 Display No Contents ON OFF Default Setting 1 Reserved for system Do not change OFF 2 Reserved for system Do not change ON 3 Wire slow down Enabled Disabled ON 4 End event End condition proce...

Page 56: ...etween 50 and 150 5V The percent age that is set at robot synergic voltage is displayed on the welding source in the unit of V For the welding type CO2 short circuit arc welding do not use the touch s...

Page 57: ...4 5 List of D Parameters 4 23 HW0480311 HW0480311 ting with the parameters D2 2 D2 3 and D2 4 set to OFF 57 129...

Page 58: ...hows the length of wire stickout as standard 5 3 Direction of Welding and Torch Angle There are two welding types backhand welding same as manual welding in which the torch is tilted by 0 to 10 in the...

Page 59: ...tension cables are used for both ways the voltage drop becomes twice as much as the value indicated in this graph This graph indicates the relationship between voltage drop and welding current when an...

Page 60: ...conds Check the input voltage Err102 Excessive temperature The temperature in the primary or secondary control circuit exceeds the specified value of the welding source Check the ambient temperature 4...

Page 61: ...amount command value There is a certain difference between the feeding amount command value and the feed back from the encoder Check the following Check that the encoder cable is not damaged Check if...

Page 62: ...Check if the voltage detection wire is connected Check if the voltage detection line or the short circuit cap is connected to the connector CON7 Check that the contact tip does not contact the workpi...

Page 63: ...during the starting point detection optional function since the voltage of approx 300 V is applied to the wire 2 If a conduit cable is extremely bent the welding wire cannot be smoothly fed and thus t...

Page 64: ...an restarts rotating when welding starts and it stops approx 15 minutes after the welding ends One of three fans operates at all times in sync with the power supply switch 6 Stretch a protective curta...

Page 65: ...the switches are prepared for adjuste ment and maintenace performed by manufacturers Table 7 DIP Switch Setting for Pr CR 008 Board DIP Switch DSW Default Setting Remarks 1 8 OFF 1 7 OFF 1 6 OFF 1 5 O...

Page 66: ...ds Fig 14 Top View without the Top Cover from the Welding Source Be sure not to switch the selecting switch which is designated as switch disabled by mistake Failure to observe this caution may result...

Page 67: ...Printed Boards 7 3 HW0480311 HW0480311 Fig 15 Location of Printed Board Pr MB 021 and Pr CR 008 To Replace Printed Board Pr MB 021 and Pr CR 008 Remove two screws at a control panel and open a contro...

Page 68: ...rd are for manintenance Do not change these settings 7 2 2 Jumper pin Settings of the Pr MB 021 Board The settings of the Pr MB 021 board are for maintenance Do not change these settings Table 8 Setti...

Page 69: ...he connection cable such as a cable on the input side or on the base metal side resulting in imperfect insulation 8 Each connecting section is tightened securely Before maintenance or inspection or wi...

Page 70: ...es not deteriorate the contacts in the connecting sections with the external wiring such as input output ter minals or with the internal wiring Retighten the bolts if necessary or use a file to remove...

Page 71: ...nspection and take proper corrective action These components cannot be used continuously for ever Even under normal operation status they are apt to have variation of the characteristics or malfunctio...

Page 72: ...skawa representative Table 10 Fuse To Replace Fuse 5A Remove two screws at a control panel and open a control panel Item Fault Fuse 10A blown purple color Although the start signal is ON or the wire i...

Page 73: ...ion Before maintenance inspection or wiring be sure to turn OFF the switch in the primary side switch gear and put up a warning sign ex DO NOT TURN THE POWER ON Failure to observe this warning may res...

Page 74: ...Check if the voltage detection wire is correctly connected P Parame ters cannot be changed P parameters are effective only when the user file is selected Select the user file File 1 File 2 File 3 when...

Page 75: ...flow Check for gas leakage Also check that the gas regulator has been correctly adjusted and the gas cylinder is not empty Gas shielding in the welding section does not properly work due to wind etc W...

Page 76: ...erformed only with carbon dioxide gas Use gas mixed with carbon dioxide gas and argon gas to improve the arc behavior The connecting section is loose Check each terminal connection and the connec tion...

Page 77: ...status of the base metal is poor Check that dirt or insulating material does not adhere to the base metal or slugs do not remain on it The welding torch operations are not correct The wire stickout o...

Page 78: ...tact Check contacting sec tions Replace the power supply indicator lamp 3 The welding source does not start although the start signal is turned ON The start signal is not sent to the welding source Ch...

Page 79: ...or stopped Failure of the gas solenoid valve Investigate the gas sys tem Fuse 10 A on the board Pr SD 006 blown Upon investigating the error cause replace the fuse 10 A on the printed board Pr SD 006...

Page 80: ...t the arc volt age is sent directly R W Analog voltage input of 0V to 14V 2 C D 0V side Welding cur rent instruc tion Gives the set value of the output current wire feeding amount for the welding sour...

Page 81: ...the arc occurrence is detected within 1 5 seconds the signal is output when the arc occurrence is not detected for 0 6 seconds or more con tinuously 3 After the arc failure is detected the states des...

Page 82: ...user file selection by connecting each signal to common Z Note Connected to the pin terminals OP1 and OP2 of the standard welding instruction cable To externally switch the user file set D parameter D...

Page 83: ...526 Voltmeter terminal Directly outputs the output voltage W R 4 527 5 Reserved 6 1 R indicates the robot side while W indicates the welding source side The external meters connected to the TB2 termin...

Page 84: ...the warning level W OP At normal time Open At warning Closed 2 525 3 539 Reserved for system Contact input 4 538 Reserved OP W Contact input valid at closed 5 537 Reserved OP W Contact input valid at...

Page 85: ...erminal Block Cable No Signal Meaning Function Direc tion 1 Signal Form 1 520 Power supply for starting point detec tion I F Power supply for starting point detecting instruction and sending receiving...

Page 86: ...e side 5 V Monitoring output for out put voltage Monitoring signal for output volt age 5V 50V For arc sensor W R Analog voltage 6 A Monitoring output for out put current Monitoring signal for output c...

Page 87: ...11 1 HW0480311 HW0480311 11 Connection System Diagram 87 129...

Page 88: ...ion is displayed in the 7 segment LED indicators on the welding source front panel once the Diagnosis mode is launched The set status of DIP switch is displayed in the 7 segment LED indicators when th...

Page 89: ...ment LED indicator can be changed with using the buttons or on the MOTOWELD EH500 front panel Fig 16 Diagnosis Mode Operation L R At start up of welding source in the Diagnosis mode d C Err DIP switch...

Page 90: ...welding source Fig 19 DIP Switch of MOTOWELD EH500 For displaying the DIP switch status ON OFF state of each switch is displayed with 0 1 bit data Fig 20 Display of DIP Switch Set Status The figure F...

Page 91: ...displayed as shown below Fig 19 Display of Software Version The figure Fig 19 Display of Software Version shows that the software version of the main CPU is 3 20 000 6 For main circuit board Pr MB 021...

Page 92: ...e number of welding source errors The number of welding source errors is counted from when the welding source is delivered to when the weld ing source is started up in the Diagnosis mode Once an error...

Page 93: ...played to clear the error record To cancel the operation for clearing the error record press L button again 12 6 End of Diagnosis Mode To end the diagnosis mode turn OFF the MOTOWELD EH500 main power...

Page 94: ...on All the values are set to 100 Operating as specified by the characteristics in the database before shipping 13 1 Adjustable Welding Characteristics The welding characteristics that can be adjusted...

Page 95: ...e When arc does not start Increase the value P01 Wire speed from when the wire con tacts the base metal until arc starts For excessive repelling at arc start Decrease the value For arc burning at arc...

Page 96: ...essive repelling Increase the value For excessive arc burning Decrease the value P07 Output time of hot character istics to stabilize the molten pool When taking time to stabilize arc Increase the val...

Page 97: ...he value When wire sticks to the contact tip Decrease the value P15 Average voltage to adjust the burning after welding P16 Arc time to adjust the burning after welding P17 Peak current to adjust the...

Page 98: ...verage burning voltage Average voltage under main conditions Instructed from the robot side Average voltage under main conditions Instructed from the robot side Average current under main conditions I...

Page 99: ...When arc occurs for a long time without sphere drip dropping Decrease P49 increase P50 and P51 When arc is not stable Increase P49 decrease P50 and P51 To make beads flat for stainless steel or the l...

Page 100: ...ulse peak current for droplet transition For excessive spatters Increase the value For excessive burning Decrease the value P09 Base current to keep arc P10 Pulse peak time for droplet transition P31...

Page 101: ...eak current for droplet transition For excessive spatters Increase the value For excessive burning Decrease the value P09 Base current to keep arc P10 Pulse peak time for droplet transition P35 Pulsed...

Page 102: ...trol for arc length at pulse welding For improper arc length follow up Increase the value For arc length oscillation Decrease the value P61 NG NG OK Welding advancing direction Arc length constant con...

Page 103: ...l welding current value is higher than the welding current com mand Decrease the value When real welding current value is lower than the welding current command Increase the value P63 Welding current...

Page 104: ...EH500 can automatically compensate for the voltage drop due to external resistance by measureing the electric resistance of the connected power cable or jig stand to set the resistance value By calib...

Page 105: ...ameter for calibration of the external resistance to enabled Refer to 14 2 4 Setting the D Parameter for Calibration of External Resistance to Enabled 14 2 1 Connecting the Cable for Resistance Measur...

Page 106: ...k and short as possible and securely connect the tip body at the torch end and the jig stand using a bolt or vice Fig 23 Connection of Cable for Resistance Measurement Connect in this order negative s...

Page 107: ...btained by out putting the constant current of approx 300 A and measuring the voltage required at that time Fig 24 Start up of the Resistance Measurement Mode V A Wire m min Type ON OFF Record Gas Com...

Page 108: ...Press the Record button again to stop the current output during conduction however the resistance is not measured When cable for resistance measurement or the power cable etc is not connected the amm...

Page 109: ...splay the parameter that sets calibration for external resistance as follows 1 With the Common PRM Select button pressed press the PRM Select button The setting of D parameter appears 2 Pressing of th...

Page 110: ...on the set parameter are saved If the set parameters are not saved the set data will be deleted with the main power supply OFF Fig 29 Saving the Setting V A Wire m min Type Record 20 Gas Common PRM Se...

Page 111: ...ent commands at 2 points Fig 30 Compensation of Wire Feeding Speed Command by Welding Current Calibration Function When the calibration function of welding current is set to enabled The set values of...

Page 112: ...ct button to start up the welding source in the Welding Current Calibration mode If the 7 segment LED indicators of V and A on the panel blink the mode is being set to the Welding Current Calibration...

Page 113: ...he current calibration 1 and current cali bration 2 Set the welding current command value so that the command value of the current calibra tion 1 is lower than that of the current calibration 2 If the...

Page 114: ...welding current command value so that the command value of the current calibra tion 2 is higher than that of the current calibration 1 If the welding time is less than six seconds the LED indicator l...

Page 115: ...onds or more to save the result 7 Returning to the usual welding mode Perform either of the following procedures to return to the usual welding mode Press PRM Select button or Turn OFF the welding so...

Page 116: ...ce current 2 File No 1 250 Reference current 2 for the user file No 1 Unit A Display No Item Initial Value Content P62 Current output characteristic 1 100 Compensation ratio 1 for wire feed ing speed...

Page 117: ...0 6 seconds Command Voltage V Welding Current A Command Voltage V Welding Voltage 0 00 30 0 00 50 1 35 77 7 20 99 2 70 124 7 50 100 10 80 406 7 80 101 12 15 453 14 00 150 13 50 500 0 00 0 0 00 0 0 00...

Page 118: ...ion Magnification of current conversion 200 For welder 2 S2C360 Arc monitoring function Current offset 0 For welder 2 S2C361 Arc monitoring function Magnification of voltage conversion 200 For welder...

Page 119: ...0 For welder 2 S2C288 Arc monitoring function Current offset 0 For welder 2 S2C289 Arc monitoring function Magnification of voltage conversion 200 For welder 2 S2C290 Arc monitoring function Voltage o...

Page 120: ...adjacent to the connector on the robot controller side of welding command cable 18 1 Gas Check Connect contacts to the pin terminals GAS and COM which emerge from adjacent to the connector of the wel...

Page 121: ...welding command cable The user files can be selected by combinations of contacts ON OFF as follows Selection of User File Contact OP1 Contact OP2 No user files OFF OFF User file No 1 ON OFF User file...

Page 122: ...t Face Item No Parts Code No Parts Name Q ty per Welding Source 505 DTB30505 Eyebolt M8 2 510 2ECEL3510 Front panel 1 511 2ECEL3511 Control panel 1 513 6N2A30513 Cover top 1 514 DTCP50514 Side cover r...

Page 123: ...e No Parts Name Q ty per Welding Source 001 6N0EH5001 Control transformer for motor 1 002 6N3E50002 Transformer 1 1 003 6N3E50003 Transformer 2 1 004 AJ3E50004 DC reactor 1 500 6N3EH5500 Base 1 533 AJ...

Page 124: ...vice Parts Right Face Item No Parts Code No Parts Name Q ty per Welding Source 008 DTE50008 Shunt 600A 60mV 1 536 6N3EH5536 Current limiting reactor 1 541 AJ3E50541 Diode 3 582 91197 Plate 1 739 DTVT5...

Page 125: ...Q ty per Welding Source 012 6N3E50012 Fuse free breaker 1 021 6N3E50021 PC board set DR 006 1 710 910816 Aluminium electro capacitor 4 717 6N3E50717 Diode bridge 3 730 6N3E50730 IGBT 4 740 ADVT50739...

Page 126: ...18 List of YWE EH500 6N0 Service Parts Partition Board Item No Parts Code No Parts Name Q ty per Welding Source 022 6N0EH5022 PC board set PS 008 1 024 AJ0EL3024 PC board set MB 021 1 026 AJ0EL3026 PC...

Page 127: ...Face Item No Parts Code No Parts Name Q ty per Welding Source 102 AJ0E35102 Connector 4 pins 1 114 AJ0E35114 Connector 6 pins 1 512 6N0EH5905 Rear cover plate 1 825 AJ2S35825 Connector 26 pins 1 905...

Page 128: ...E EH500 6N0 Filter Unit Table 20 List of YWE EH500 6N0 Service Parts Filter Unit Item No Parts Code No Parts Name Q ty per Welding Source 516 6N0EH5516 Filter cover set 1 919 6N0EH5919 Cooling fan 3 9...

Page 129: ...YASKAWA ELECTRIC KOREA CORPORATION 1F Samyang Bldg 89 1 Shinchun dong Donk Ku Daegu Korea Phone 82 53 382 7844 Fax 82 53 382 7845 YASKAWA ELECTRIC SINGAPORE PTE LTD 151 Lorong Chuan 04 01 New Tech Par...