WEIHONG LS6000M Скачать руководство пользователя страница 4

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上海维宏电子科技股份有限公司

SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO., LTD

116

1 Quick Start

1.1 Overview

This section introduces the hardware and software of the

NcStudio V15 laser cutting

control system



Hardware

PM95A motion control card

Lambda controller



Non-bus control systems: Lambda 5E controller



Bus control systems: Lambda NE controller

EX33A extension terminal board (for follow control)

EX31A extension terminal board (for extension of terminal board ports)

SE001 follow-up amplifier

DB9M/F communication cables * 2

RF cable * 1

M16 three-core aviation plug towline cable * 1

WHB05L wireless handwheel / WHB05N wireless handwheel

For hardware connection diagram, see Hardware Connection Diagram.



Software

For introduction of the software interface of the

NcStudio V15 laser cutting

control system

, see introduction of the software interface.

1.2 Hardware Connection Diagram

The connection method varies based on the control system type.

Non-bus control systems

The connection diagram is shown below:

Содержание LS6000M

Страница 1: ...tomatic Installation 5 2 5 2 Manual Installation 6 3 System Debugging 7 3 1 Overview 7 3 2 Configure Settings in NcConfig 7 3 2 1 Data Backup 8 3 2 2 Data Restoration 8 3 2 3 Device and Port Mapping C...

Страница 2: ...etting 53 4 3 6 Real time State Check 54 4 3 7 Manual Speed 54 4 4 Common Problems 54 4 4 1 Serious Electric Interference 55 4 4 2 Capacitance is Not Zero when Touching the Material 55 4 4 3 Cutter Co...

Страница 3: ...B 1000 1500W Laser 67 5 2 8 GW SMATLas 3S Laser 68 5 3 Wiring Diagram of the Drive 69 5 3 1 Drive Port Definition 69 5 3 2 Wiring Diagram of the Drive in Position Control Mode 71 5 3 3 Wiring Diagram...

Страница 4: ...terminal board for extension of terminal board ports o SE001 follow up amplifier o DB9M F communication cables 2 o RF cable 1 o M16 three core aviation plug towline cable 1 o WHB05L wireless handwhee...

Страница 5: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 2 116 Bus control systems The connection diagram is shown below...

Страница 6: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 3 116 1 3 Shortcut Keys The shortcut keys are as follows...

Страница 7: ...ensure that CPU 1G RAM 1G Hard drive 20G Video card Display 14VGA Motherboard extension slot PCI E slot 1 The PM95A motion control card needs to be installed on the computer Follow the steps below to...

Страница 8: ...ether to keep certain parameter settings and click Next 5 Finish the installation The installation program will prompt you to Install the Drive To uninstall the software follow the steps below 1 Delet...

Страница 9: ...or click the Scan for hardware changes icon under the menu bar In the right list under Other devices click the network and computer encryption and decryption controller option o Non first manual driv...

Страница 10: ...in NcConfig The offline configuration tool NcConfig can be used to backup restore data configure devices and map protect the ports to improve project development efficiency Follow the steps below the...

Страница 11: ...data restoration function to recover the system Before restoring the data ensure that the data was backed up as described in Data Backup Follow the steps below to restore data in NcConfig 1 In the men...

Страница 12: ...sical address of a logical address double click the corresponding physical address box and select the target controller and port o To show hide the logical addresses right click on the Enter Output li...

Страница 13: ...e polarity of normally closed switches to NC Set the polarity of normally open switches to NO Follow the steps below to modify the I O port polarity 1 Click Monitor in the bottom function bar 2 Click...

Страница 14: ...the drive pulse signal type parameter to pulse direction Ensure that the servo drive does not have an external emergency stop signal input port If it does check the signal logic Ensure that the termin...

Страница 15: ...pulses output by one motor turn o Description Number of pulses output by one motor turn o Unit o Range o value If pulse equivalent 0 001 there is no speed reducer screw pitch 10 mm Pr011 2500 if scre...

Страница 16: ...e counter o Description Pulse detection is used in WEIHONG control systems to check to see if correct pulses are sent and determine if there is electric interference o Unit o Range o Value In hexadeci...

Страница 17: ...for brake o Value 0300 Pn50E Function selection o Description Applicable when the servo motor has a brake o Unit o Range None of the four digits can be set to 3 in case that CN1 29 and CN1 30 are used...

Страница 18: ...format selection switch o Description Position control command format selection switch o Unit o Range If digit 0 is set to 5 the command format is pulse direction negative logic o Value 0005 Pn50A In...

Страница 19: ...ber o Unit o Range 24 230 o Value When pulse equivalent 0 001 there is no reducer and screw pitch 10 mm Pn212 2500 when screw pitch 5 mm Pn212 1250 3 4 1 1 4 Panasonic MINAS A4 The parameters and desc...

Страница 20: ...rameters and descriptions are shown below Pr5 28 LED initial state o Description Pulse detection is used in WEIHONG control systems to check to see if correct pulses are sent and determine if there is...

Страница 21: ...mm Pr0 09 10000 and Pr0 10 screw pitch pulse equivalent 5 0 001 5000 Pr0 09 Pr0 10 10000 5000 2 1 Pr0 11 Number of pulse output by one motor turn o Description Number of pulse output by one motor turn...

Страница 22: ...nge 0 Rotates CW anti clockwise when observing from the load side 1 Rotates CCW clockwise when observing from the load side o Value 0 or 1 CONT1 signal distribution o Description CONT1 signal distribu...

Страница 23: ...07 Encoder resolution pulse equivalent mechanical reduction ratio screw pitch o Value When encoder resolution 65536 pulse equivalent 0 001 screw pitch 5 mm and mechanical reduction ratio 1 PA1_06 PA1_...

Страница 24: ...n servo motor start RUN o Value 0 77 PA1_08 Number of pulse output by one motor turn o Description Number of pulse output by one motor turn o Unit o Range 16 214 o Typical value When pulse equivalent...

Страница 25: ...M Encoder pulse number 4 pulse equivalent mechanical reduction ratio screw pitch o Value When the encoder pulse number 2500 pulse equivalent 0 001 screw pitch 5 mm and mechanical reduction ratio 1 N1...

Страница 26: ...NC contact b X1X0 07 Set pin No 28 and No 27 to ALRM and ALRM respectively o Range o Value 007 P2 51 Servo enablement SON setting o Description Servo enablement SON setting o Unit o Format o Range 0 S...

Страница 27: ...4 0 001 5 2 1 Therefore N1 2 and M 1 P1 46 Detector pulse output number setting o Description Setting of the revolving single direction pulse number o Unit o Format o Range 20 320000 o Value When puls...

Страница 28: ...nge o Value 108 P2 22 Digital output pin DO5 function setting o Description DO5 pins are pin No 28 and No 27 which are used for servo alarm signals o Unit o Format X2X1X0 X2 0 Set DO5 output to the NC...

Страница 29: ...44 P1 45 Encoder resolution pulse equivalent mechanical reduction ratio screw pitch o Value When the encoder pulse number 2500 pulse equivalent 0 001 screw pitch 5 mm and mechanical reduction ratio 1...

Страница 30: ...t pulses are sent and determine if there is electric interference o Unit o Format o Range o Value 02 P1 00 External pulse train input format o Description Setting of external pulse train input format...

Страница 31: ...screw pitch 5 mm P1 46 5000 P2 10 Digital input pin DI1 function setting o Description Digital input pin DI1 function setting o Unit o Format X2X1X0 X1X0 01 Set digital input DI1 to SON matching pin...

Страница 32: ...To make the motor output rated rotational speed under 10V voltage in velocity loop control mode parameters need to be set differently from that in position loop control mode topic_ls6000 set_driver_pa...

Страница 33: ...the target parameter to set it Basic parameters that need setting in NcStudio are shown below Refer to the user manual of the drive brand to set other parameters Yaskawa drives Pn00B function selecti...

Страница 34: ...ch 1 4 to ON ON OF and OFF respectively to enable bus functions 2 Rotate the rotation switch to select a number as the station address Note Select station addresses for the axes in sequence for exampl...

Страница 35: ...er 4 Double click and set the following parameters o Drive station address X Y1 Y2 The values need to be the same as those set by the drive rotation switch 0 is ineffective o Encoder Digits X Y1 Y2 Th...

Страница 36: ...encoder resolution pulse equivalent screw pitch mechanical reduction ratio Rotary axis o Stepping motor Pulse equivalent 360 360 stepping angle subdivision mechanical reduction ratio o Servo motor Ele...

Страница 37: ...axis direction 1 Determine the X axis positive direction based on the right hand rule 2 In the software click the X X button in the machine control area to control the X axis to travel a certain dista...

Страница 38: ...pensation Click Set in the function bar select System Parameters to enter System Parameters page find and set the following parameters under catalog 1 2 0 Error Compensation Backlash X Backlash Y Back...

Страница 39: ...r 4 Close the software and double click NcTune in the installation directory C Program Files Weihong NcStudio Bin 5 Optional In the menu bar go to to switch to English 6 To enter Screw Error Compensat...

Страница 40: ...n Laser drill on the material surface again 3 Check to see if the second point entirely overlaps the first point If not check to see if mechanical gap is too large and if pulses are lost If mechanical...

Страница 41: ...thickness If not set the parameters again 3 12 Do a Burn Test At the first commissioning for the machine tool a burn test is required to make sure the motion stability of each axis Before doing a burn...

Страница 42: ...e connected at the same time 2 Acquire the camera IP address port subnet mask and default gateway o Hikvision Use the SADPTool exe software o Dahua Technology Check the camera manufacturer s manual 3...

Страница 43: ...the camera monitoring area Double click in the camera monitor area to switch between different numbers of cameras If the camera is replaced in the future click Logout in the right click menu in the ca...

Страница 44: ...External Device 3 0 Monitoring category set Enable Camera to Yes 6 In the camera monitor area click login in the right click menu Enter information in the blank fields 7 Select the camera type camera...

Страница 45: ...ance between the cutter and material with In the function bar click Set Follow 1 Tab Area 2 Coordinate Area 3 Manual Control Area 4 Follow Control Buttons 5 Follow Control Area Follow Parameter Settin...

Страница 46: ...Release the axis direction button to stop axis movement To make multiple axes move or stop moving at the same time press and hold release the corresponding axis direction buttons at the same time Step...

Страница 47: ...lick the System tab to access this area The following parameters are displayed Real time monitor parameters cannot be modified on this page o Enable After the Follow button is highlighted the status o...

Страница 48: ...chart upper right corner to switch between the following charts Calibration Data Mapping between the cutter material capacitance and position during auto calibration of the cutter is displayed here X...

Страница 49: ...value in the chart upper right corner The larger the value the larger the interference and the more unstable the capacitance measurement The ideal value should not be larger than 30 Following Error D...

Страница 50: ...tity and permission Operator parameters are displayed by default Select one from the following methods to modify a parameter value Double click the target parameter row Press the and keys to select th...

Страница 51: ...e to a position more than 30 mm from the material surface and keep it stable Ensure that the capacitance is such situation is stable If the capacitance is not stable there is serious electric interfer...

Страница 52: ...not smooth or there are burrs Another time of calibration is required Note During calibration you can click the Estop button as needed to prevent the cutter from continuing lowering when there is capa...

Страница 53: ...Range 1000 mm 99999 mm o Value 0 Lower Limit of Soft Limit o Description Indicates the lower threshold of the soft limits o Range 99999 mm 0 mm o Value 1000 Screw Pitch o Description Indicates the Z a...

Страница 54: ...following parameters Positioning Gain o Description Used to control the sensitivity of positioning movement during follow o Range 1 20 o Value 8 Follow up Gain o Description Used to control the follo...

Страница 55: ...cutter will be lifted automatically o Range Yes enable No disable o Value Yes Speed Gain o Description Available in velocity control mode Its value equals to the motor rated power divided by 10V It ma...

Страница 56: ...es the calibration speed o Range 0 mm min 10000000 mm min o Value 80 Capacitance fluctuation detection o Description Calibration will be stopped if the capacitance fluctuation every 1 mm is less than...

Страница 57: ...ue 1800 Manual Feedrate Z o Description The default Z axis speed in manual mode o Range 0 1 mm min 1800 mm min o Value 1200 4 4 Common Problems This section introduces troubleshooting methods for the...

Страница 58: ...lose contact with the machine If not before installing the amplifier use a piece of abrasive paper to remove the oxidized layer from the contact surface Use a multimeter to check the RF cable If the R...

Страница 59: ...on Use a qualified ceramic ring 4 4 6 Cutter Has Severe Jitters When Cutting Thin Plates and Causing Workpiece Outline Deformation Reason When cutting thin plates the plates may have obvious vibration...

Страница 60: ...a certain period of time the follow error is larger than the out of edge tolerance setting Solution Follow the steps below to help troubleshoot If this alarm was reported when the material surface is...

Страница 61: ...ivity is zero the cutter is damaged 3 Use a multimeter to measure the conductivity of the copper core between the cutter nozzle and RF cable If the conductivity is zero the RF cable is damaged 4 Check...

Страница 62: ...ard This section introduces the port definitions of the Lambda controllers and extension terminal board 5 1 1 Lambda Controller Different Lambda controllers need to be used based on the system type No...

Страница 63: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 60 116 Lambda NE The port definitions are shown below...

Страница 64: ...NOLOGY CO LTD 61 116 5 1 2 Extension Terminal Board The port definitions of EX33A and EX31A extension terminal boards are the same in bus or non bus control systems EX33A extension terminal board The...

Страница 65: ...GHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 62 116 Output working voltage 24V Port COM 0V output Rated current 200 mA Darlington transistor EX31A extension terminal board The port definitions are shown...

Страница 66: ...ignal MOD MOD If the laser supports RS232 communication you can use a DB9 cable to connect the laser RS232 port to the EX33A RS232 to achieve communication between the laser and the software RS232 is...

Страница 67: ...1000 1500W laser GW SMATLas 3S laser Note All MOD pins of EX33A extension terminal boards shown in the following diagrams are MOD 24V 5 2 1 IPG YLR Series Laser The wiring diagram is shown below 5 2...

Страница 68: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 65 116 5 2 3 Raycus Fiber Laser The wiring diagram is shown below 5 2 4 JK GSI 500W FL Laser The wiring diagram is shown below...

Страница 69: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 66 116 5 2 5 MAX Fiber Laser The wiring diagram is shown below...

Страница 70: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 67 116 5 2 6 SPI 500W R4 Laser The wiring diagram is shown below 5 2 7 HFB 1000 1500W Laser The wiring diagram is shown below...

Страница 71: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 68 116 5 2 8 GW SMATLas 3S Laser The wiring diagram is shown below...

Страница 72: ...based on the control mode Check the drive port definition before referring to the following wiring diagrams Wiring Diagram of the Drive in Position Control Mode Wiring Diagram of the Drive in Velocit...

Страница 73: ...ncy divider equal to RS422 C C Feedback signal of encoder phase C Input Differential signal transmission mode It is used to receive the differential output of encoder phase C signal from drive frequen...

Страница 74: ...o clamp detection signal Output In speed zero clamp detection status the output transistor is turned on V REF Analog speed command Output 24V GND DC 24V power Output It is connected to drive 5 3 2 Wir...

Страница 75: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 72 116 With brake lines 50P HD plug...

Страница 76: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 73 116 Without brake lines 50P HD plug...

Страница 77: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 74 116 5 3 2 2 Wiring Diagram of YASKAWA 7 Servo Drive The wiring diagram is as follows Common...

Страница 78: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 75 116 One to two...

Страница 79: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 76 116 5 3 2 3 Wiring Diagram of Panasonic Servo Drive Wiring diagram is as follows Common...

Страница 80: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 77 116 5 3 2 4 Wiring Diagram of Fuji Servo Drive Wiring diagram is as follows Common...

Страница 81: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 78 116 Fuji alpha5 plus axis X Y1 Y2...

Страница 82: ...G ELECTRONIC TECHNOLOGY CO LTD 79 116 5 3 2 5 Wiring Diagram of Delta Servo Drive Delta ASDA A ASDA B ASDA B one to two and ASDA B2 servo drives use the same type of cables Wiring diagrams are as foll...

Страница 83: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 80 116 Delta ASDA B...

Страница 84: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 81 116 Delta ASDA B one to two...

Страница 85: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 82 116 Delta ASDA B2 5 3 2 6 Wiring Diagram of Mitsubishi Servo Drive Wiring diagrams are as follows MR JE without brake cable...

Страница 86: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 83 116 MR JE with brake cable...

Страница 87: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 84 116...

Страница 88: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 85 116 MR E 5 3 2 7 Wiring Diagram of Sitong Servo Drive The wiring diagram is as follows...

Страница 89: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 86 116 5 3 2 8 Wiring Diagram of Hitachi Servo Drive The wiring diagram is as follows...

Страница 90: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 87 116 5 3 2 9 Wiring Diagram of Teco Servo Drive Wiring diagrams are as follows TSDA...

Страница 91: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 88 116 ESDA...

Страница 92: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 89 116 5 3 2 10 Wiring Diagram of Sanyo Servo Drive Wiring diagrams are as follows PY series...

Страница 93: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 90 116 R series...

Страница 94: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 91 116 5 3 2 11 Wiring Diagram of Kaitong KT270 Series Servo Drive The wiring diagram is as follows...

Страница 95: ...WEIHONG ELECTRONIC TECHNOLOGY CO LTD 92 116 5 3 3 Wiring Diagram of the Drive in Velocity Control Mode 5 3 3 1 Wiring Diagram of WISE Servo Drive Wiring diagrams are as follows With brake lines 44P i...

Страница 96: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 93 116 With brake lines 50P HD plug...

Страница 97: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 94 116 Without brake lines 44P interface...

Страница 98: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 95 116 5 3 3 2 Wiring Diagram of YASKAWA 5 7 Servo Drive The wiring diagram is as follows...

Страница 99: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 96 116 5 3 3 3 Wiring Diagram of Fuji Servo Drive Wiring diagrams are as follows Common...

Страница 100: ...ription Set it to 2500 if the pulse equivalent is 0 001 screw pitch is 10 mm and there is no speed reducer Set it to 1250 if the screw pitch is 5 mm o PA3 31 Name Speed command graduation Value 10 Des...

Страница 101: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 98 116 5 3 3 4 Wiring Diagram of HCFA Servo Drive Wiring diagram is as follows...

Страница 102: ...t gain switching Set it to 1 and let the system run for a period of time If the Z axis has no overshoot or abnormal sounds it is recommended to set this parameter to 10 P00 03 o Name Rigidity level o...

Страница 103: ...500 500 P05 14 o Name AI setting 100 rotational speed o Value 3000 o Range 0 rpm 9000 rpm P04 01 o Name DI1 port function selection o Value 1 o Description Servo enablement P04 11 o Name DI1 port logi...

Страница 104: ...LTD 101 116 5 3 3 5 Wiring Diagram of Panasonic Servo Drive Wiring diagram is as follows 5 3 3 6 Wiring Diagram of Delta Servo Drive Delta ASDA A and ASDA B2 servo drives use the same type of cables W...

Страница 105: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 102 116 Delta ASDA B2...

Страница 106: ...format setting o Range ZYX o Value 102 o Description X 2 Set the format of external pulse input to pulse direction Z 1 negative logic P1_01 o Name Control mode setting o Range ZYX1X0 o Value 2 o Desc...

Страница 107: ...ng o Range 20 40000 o Value o Description If the pulse equivalent 0 001 there is no speed reducer and screw pitch 10 mm set it to 10000 If the screw pitch 5 mm set it to 5000 P1_40 o Name Simulation s...

Страница 108: ...ut P2_17 o Name Digital input pin DI8 function setting o Range X2X1X0 o Value 0 o Description Do not use external emergency stop input P2_18 o Name Digital input pin D01 function setting o Range X2X1X...

Страница 109: ...l mode o Value 0 H0203 o Name Output pulse phase o Value 1 H0206 o Name Fault stop and zero speed stop o Value 0 H0401 o Name Brake o Value 9 H0407 o Name Effective output of active high o Value 1 H06...

Страница 110: ...ELECTRONIC TECHNOLOGY CO LTD 107 116 o Value 1 H0901 o Name Rigidity level o Value 18 H0502 o Name Pulse number per turn o Value 10000 5 3 3 8 Wiring Diagram of Mitsubishi Servo Drive The wiring diag...

Страница 111: ...owing are applicable to WEIHONG NcStudio V15 laser cutting control system WHB05L V4 Applicable to integrated plate and tube cutting systems WHB05L V5 Applicable to integrated plate and tube cutting sy...

Страница 112: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 109 116 The button definitions are shown below...

Страница 113: ...TECHNOLOGY CO LTD 110 116 6 2 WHB05L V5 WHB05L V5 is an upgrade of WHB05L V4 which replaces the button text with images to demonstrate the functions more vividly The WHB05L V5 rotary axis is axis B I...

Страница 114: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 111 116 The button definitions are shown below...

Страница 115: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 112 116...

Страница 116: ...ECTRONIC TECHNOLOGY CO LTD 113 116 6 3 WHB05N V1 WHB05N V1 is a dedicated handwheel for Phoenix tube cutting systems The WHB05N V1 rotary axis is axis B Its structure is shown below The button definit...

Страница 117: ...SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO LTD 114 116...

Страница 118: ...ime Do not install the receiver inside cabinets to avoid affecting signal reception 6 6 FAQs If the following situations occur After pressing a handwheel button the machine gives responses after a per...

Страница 119: ...roduct on a network server or intranet server or you have purchased license for each node and terminal using the Software Product 6 You may NOT sublicense assign or transfer the license agreement 7 Yo...

Страница 120: ...copies of the Software Product or return them to Weihong Company Now we affirm that you have already read through this agreement and understood it thoroughly and agreed to comply with all of the term...

Страница 121: ...Shanghai Weihong Electronic Technology Co Ltd Address No 1590 Huhang Rd Fengxian Shanghai China 201401 Hot line 400 882 9188 Website www weihong com cn en SPECIALIZED CONCENTRATED FOCUSED...

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