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Gentec S-LINK, User Manual

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S-

LINK User’s Manual                                             Revision 2.8

 

  17

 

 

1.5.14  Detecting missing laser pulses. 

The  S-link  will  detect  the  missing  laser  pulses  using  the  External  Trigger  and  the  Histogram 
Display. 

Step1:  Connect  the  External  trigger  of  your  Laser  to  the  External  trigger  of  the  S-link  using  the 
BNC connector. 

Step2: Select the External trigger from the Status Window. 

 

Step3: Select the Histogram Display in the Display Menu. 

 

Summary of Contents for S-LINK

Page 1: ......

Page 2: ... Inc office to obtain a return authorization number The material should be returned to Gentec Electro Optics Inc 445 St Jean Baptiste Suite 160 Québec QC Canada G2E 5N7 Tel 418 651 8003 Fax 418 651 1174 e mail service gentec eo com Website www gentec eo com CLAIMS To obtain warranty service contact your nearest Gentec EO agent or send the product with a description of the problem and prepaid trans...

Page 3: ...radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communication However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on we suggest taking one ...

Page 4: ... 9 Restarting the Lineplot statistics and Histogram 14 1 5 10 Making an acquisition 15 1 5 11 Pausing the Statistics and line plot 15 1 5 12 Making a Zero offset 15 1 5 13 Ratio mode 16 1 5 14 Detecting missing laser pulses 17 1 5 15 Recommended PC 19 INSTALLATION AND COMMUNICATION 21 1 6 INSTALLATION 21 1 6 1 To Install USB drivers for Windows 21 1 7 SETTING UP COMMUNICATION TO THE S LINK 22 1 7 ...

Page 5: ...uter 35 3 4 2 Setting the IP address in the S Link 39 3 4 3 Setting the Ethernet undefault values in the S Link 42 4 TROUBLESHOOTING 45 DECLARATION OF CONFORMITY 46 5 APPENDIX A 47 5 1 ATTENUATOR DIFFUSER CALIBRATION PROCEDURE 47 6 APPENDIX B 49 6 1 RECYCLING AND SEPARATION PROCEDURE 49 6 2 SEPARATION 49 6 3 DISMANTLING PROCEDURE 49 7 APPENDIX C 50 7 1 FIX COM PORT PROCEDURE 50 8 APPENDIX D 53 8 1...

Page 6: ...is a microprocessor based power and energy meter that uses the latest technology to provide a multitude of options in a user friendly environment It is a complete power and energy meter that can provide a statistical analysis of your measurements There is no need to enter the head specifications when connecting the new Gentec EO power or energy detector heads for head version 5 and above The S Lin...

Page 7: ...ed open the file on your PC and follow the instructions to uncompress and install it You may also consult the download instructions document that is also in the download section of our website 1 2 Specifications The following specifications are based on a one year calibration cycle an operating temperature of 18 to 28ºC 64 to 82ºF and a relative humidity not to exceed 80 Table 1 1 List of Specific...

Page 8: ...0000 Hz 3 1 Hz5 Default Trigger Level 2 Software Trigger Level 0 1 to 99 9 0 1 resolution Real Time Data Transfer 10 kHz Channel in Normal mode no missing point with USB 2 0 or Ethernet and recommended PC Statistics Current value Max Min Average Std Dev RMS stability PTP stability Pulse Repetition Rate Avg Power Data Storage Limited to PC hard drive free space General Specifications S Link Digital...

Page 9: ... VDC 1 66 A S LINK 2 2 Channels 1 3 Connector Descriptions Fig 1 2 S Link Ethernet Connectors 1 ETHERNET INTERFACE CONNECTOR optional on S Link This interface allows remote control and data transfers between the S Link and a computer via an Ethernet network a wireless router or a direct connection 2 External trigger The Input connector is a Female BNC The External trigger is TTL compatible The mon...

Page 10: ... series heads you need to use the USB power or a 5 volts 500mA AC to DC power adapter to power the HP head CAUTION Permanent damage may occur to the optical meter if an external power supply other than the GENTEC EO 200960 SPU15A 104 is used Please call GENTEC EO or your local distributor if extra power supplies are needed for a particular setup 5 PROBE INPUT JACK The S Link uses a DB 15 female co...

Page 11: ... PC and start the software 1 4 Quick power and energy measurement procedure This section applies to all S Link versions It will show you the fastest way of making a laser power and energy measurement with the S Link and a Gentec EO power or energy detector The monitor automatically recognizes all the Gentec EO High power heads of versions 4 and energy heads of versions 6 All custom technical data ...

Page 12: ... wait until the reading has stabilized right click and select Zero Offset You are now ready to make an accurate measurement Notes Refer to specific power detector documentation for complete installation and operating instructions The power detectors are thermal sensors sensitive to temperature variations For high precision measurements we recommend Allowing the power detector temperature to stabil...

Page 13: ...8 8 1 5 USER INTERFACE 1 5 1 Start the PC S Link software on the PC Click Start Programs GENTEC EO PC S Link 1 5 2 Make a connection with the S link Select communication open and select the com port see section 1 7 Communication image ...

Page 14: ...ated at 3Hz But all data in the statistics are updated at up to 10 kHz in real time Single shot measurement is always good When you change the scale you might have a false measurement but the next measurement is accurate There is no need for Zero offset in energy mode because the S link compensates for an analog drift The information bar at the bottom shows the scale and wavelength The middle box ...

Page 15: ... stopped while you are in the Status Window To save your settings select File save status To load your setting select File load status You must not load a wattmeter status when using an energy detector or a joulemeter status when using a power detector PC Slink will remember your last Status setting files under File Status image 1 5 5 Selecting the Channel to display Right click on the display win...

Page 16: ...Adjusting the Windows Display Select Display Split with a right click on the window or from the menu bar To save your layout select Layout save layout To load your saved layout select Layout load layout or the filename that appears at the bottom ...

Page 17: ... Axis minimum and maximum settings are only available in the Load File option You can use the mouse wheel to zoom in or out Left click on the graphic line to change the line position Double click in the graphic window to pause and get the numerical values in the graphic The Time setting is in the Graphic display time menu for the X axis ...

Page 18: ...mode to enter the axis values You can also use the mouse wheel to zoom in or out You can zoom the X axis using the mouse wheel while holding the Shift key Left click on the graphic to change the line Y position If you are zooming the X axis you can Left click on the graphic and move the center X position Double click in the graphic window to get the numerical values in the graphic To zoom the Y ax...

Page 19: ...g the Lineplot statistics and Histogram Each window is independent You can clear each window or use the Clear All menu You can use a Right click in the Window to select Clear or CLEAR ALL When you select Clear the Graphic histogram and statistic restart ...

Page 20: ...eselect Acquisition Channel The scale s quick arrows on the real time display are unavailable during an acquisition If you do not select a directory all save files will be in C Program Files Gentec EO S Link 1 5 11 Pausing the Statistics and line plot Click on the Statistics window or line plot 1 5 12 Making a Zero offset For Power heads only right click in any window and select Zero Offset the of...

Page 21: ... energy mode the ratio is made with the last received measure to the S link Ratio mode doesn t work if you have a power head and an energy head Example Laser value channel 1 Laser value channel 2 Results CH1 CH2 10 J 5J 2 No pulse 2J 5 8J No pulse 4 12J 4J 3 ...

Page 22: ...the missing laser pulses using the External Trigger and the Histogram Display Step1 Connect the External trigger of your Laser to the External trigger of the S link using the BNC connector Step2 Select the External trigger from the Status Window Step3 Select the Histogram Display in the Display Menu ...

Page 23: ...anual Revision 2 8 18 Step4 Start your laser and place you Cursor on the left x axis the upper corner of the histogram will show the number of pulse that are missed You can reset the histogram using the clear command ...

Page 24: ...ams at the same time If you want a very accurate frequency measurement and average power in energy mode do not run the 3D graphic display The supported operating systems are Windows XP and Vista In statistics mode the frequency measurement resets itself after the pulse number reaches the number of pulses set in the Status menu If you want the reset to occur less frequently set a very large number ...

Page 25: ...S LINK User s Manual Revision 2 8 20 Go to USB port properties Select Port parameters and select Advanced ...

Page 26: ...o Install USB drivers for Windows Plug the S Link into a USB port on the PC If the PC supports USB 1 1 Windows detects the new device and prompts you for the software drivers A window that says Found New Hardware USB Device opens and after several seconds to a minute the Found New Hardware Wizard appears Insert the USB driver s CD ROM if you have not already done so Cancel the wizard and execute t...

Page 27: ...and click on Properties Select the Port Settings Tab and click Advanced Under BM Options reduce the setting from 16 down to 1 and click OK Click OK on the Properties Sheet and close the Device Manager 1 7 3 Connecting the PC S Link to the S Link 1 7 3 1 Download the PC S Link file and execute it Download PC S Link from the internet www gentec eo com in the Download section Execute the downloaded f...

Page 28: ...onnect to the S Link You may use any serial communications software that you are familiar with Our instructions are for HyperTerminal because it is widely available on PCs with Windows Click Start Programs Accessories Communications HyperTerminal To save communication settings enter a name for the connection In the drop down menu Connect using select the COM port that the USB driver was installed ...

Page 29: ...g the communication parameters save them by clicking yes The next time you execute the string of commands shown in section 3 2 2 above the name of your session will appear after HyperTerminal Clicking on the session name opens the connection using the saved settings To avoid re entering the string of commands put a shortcut to this file on your desktop Find the file name right click on it and sele...

Page 30: ... Default value is 1 Example Enter AT10 to disable the anticipation for Channel 1 Example Enter AT21 to enable the anticipation for Channel 2 RST To reset the device The monitor will read the head s EEprom again PW1 PW2 To set the Wavelength for Channel 1 or 2 Wavelength correction command 5 characters Example To select the wavelength 1064 nm enter PW101064 Example To select the wavelength 10600 nm...

Page 31: ...perly if you set the Slink to ASCII mode SU1 SU2 To make a physical scale up for channel 1 or 2 You must stop the continuous acquisition CS1 CS2 before sending this command SD1 SD2 To make a physical scale down for channel 1 or 2 You must stop the continuous acquisition CS1 CS2 before sending this command ET1x ET2x To Set the External Trigger for Channel 1 or 2 x 0 disable x 1 enable Default value...

Page 32: ...e a connection NMQ Deactivate the NMV mode Default mode NA1 NA2 Return the detector name for channel 1 or 2 SN1 SN2 Return the detector serial number for channel 1 or 2 CV1 CV2 Return the last Slink measurement for channel 1 or 2 This mode is only available in ASCII mode For joulemeter mode it will be the last laser pulse value for wattmeter mode it will be the last measurement taken Example to ge...

Page 33: ...le table bellow to determine the scale Example After a RG1 you will receive 000000013 00001001A 100000000 What it means 000000013 is the minimum scale 13 hex 19 3m 00001001A is the maximum scale 1A hex 26 10 Watt or Joule 100000000 End of transmission SO1 SO2 Set Zero Offset of Channel 1 or 2 This command subtracts the current value from all future measurements the moment the command is issued to ...

Page 34: ...crowatts or microjoules 10u 14 10 microwatts or microjoules 30u 15 30 microwatts or microjoules 100u 16 100 microwatts or microjoules 300u 17 300 microwatts or microjoules 1m 18 1 milliwatt or millijoule 3m 19 3 milliwatts or millijoules 10m 20 10 milliwatts or millijoules 30m 21 30 milliwatts or millijoules 100m 22 100 milliwatts or millijoules 300m 23 300 milliwatts or millijoules 1 24 1 Watt or...

Page 35: ...001 0013 Current Scale in hex value 19 3 mJ 00002002B 00002 002B Trig Level in hex value 20 48 43 20 48 2 1 000030000 00003 0000 Reserved 000040000 00004 0000 Attenuator setting 0000 no attenuator 0001 with attenuator No Attenuator 000050001 00005 00001 External trigger setting 0000 off 0001 on On 000060000 00006 0000 Anticipation 0000 off 0001 on Off 000070000 00007 0000 Energy mode for power hea...

Page 36: ...ions of the device s firmware are created it is in your best interest to update your S Link The latest device firmware can be downloaded from the Gentec EO website The update must be done using the USB port An update through the Ethernet port will cause the S Link to be unusable and will need to be reprogrammed by the manufacturer Access our website at www gentec eo com Go to the Downloads section...

Page 37: ...not connect a USB connector because the S Link will switch to USB communication 3 1 Install these files from the CD CprDotNetDL4 1 0 2_Web exe dotnetfx exe if you already have dotnetfx installed with a superior version skip this step 3 2 Create a Com Port Run CPR Manager Go to the Device Menu and click Search Go to the Com Port Menu and select Add and Remove ...

Page 38: ...S LINK User s Manual Revision 2 8 33 Select a new Com Port and click ok ...

Page 39: ...Click on the new Com Port Step2 Double Click the IP Address Select the Add Rx Port to set the firewall s exclusion list if needed Step3 Click on the blue disk icon to Save the settings This will add a new Com Port to your computer You can now run the PC interface S link to connect to your S Link ...

Page 40: ...eT Twisted Pair UTP cable Ethernet Cable Generally the cable color is orange or red You will have to set your network settings 3 4 1 Configure TCP IP protocol on your computer Open the Windows control panel Start Settings Control Panel and double click on the Network icon If you already have TCP IP installed just double click on it To install TCP IP push the Add button select protocol Microsoft an...

Page 41: ...S LINK User s Manual Revision 2 8 36 Go to Properties ...

Page 42: ...S LINK User s Manual Revision 2 8 37 Go to TCP IP Properties ...

Page 43: ...S LINK User s Manual Revision 2 8 38 Select Use the Following IP Address Enter the following Numbers IP 192 168 0 1 Mask 255 255 255 0 ...

Page 44: ... a Network unless you known that the IP address is available Ask your network manager to reserve you a fixed IP address if you do not want to reassign the IP to the Com Port each time the S link asks for an IP in the dynamic IP settings Install the DI_4 2 0 0_Web file from the CD Load the Device Installer from Lantronix Select The Xport direct firmware and click on the available IP Select the Web ...

Page 45: ...then Click on Apply Setting The S link will reboot itself Since the IP has changed the Web configuration will lose its connection Close the Device installer if the Web configuration doesn t stop trying to make a connection To test your configuration you can open a web browser at 192 168 0 2 You should see the login window Go to section 6 2 to create a COM PORT If you wish to change the IP again or...

Page 46: ...S LINK User s Manual Revision 2 8 41 ...

Page 47: ...PC S link uses the high performance Ethernet circuit and communicates at 921600 bps If you change this value set it back again Load the Device Installer from Lantronix Select The Xport direct firmware IP Select the Web Configuration tab Click GO Click OK for the Username and password leave them blank ...

Page 48: ...S LINK User s Manual Revision 2 8 43 Select Server option set the CPU performance to high and click OK ...

Page 49: ...S LINK User s Manual Revision 2 8 44 Select Serial Settings set the baudrate to 921600 click OK then Apply Settings ...

Page 50: ...ion This happens when you set the time stamp of the graphic to a high value on certain PCs Cannot Connect to the Ethernet Port 1_ Reboot the computer when you change the IP address if you have a direct connection 2 One possible cause is the Firewall on this machine is blocking this port Press the Add Rx Port button to add this port to the Firewall If the button caption reads Remove Rx Port then th...

Page 51: ...lass A EN 61000 4 2 2009 Electromagnetic compatibility EMC Part 4 2 Testing and measurement techniques Electrostatic discharge Class B EN61000 4 3 2006 A2 2010 Electromagnetic compatibility EMC Part 4 3 Testing and measurement techniques Radiated Radio Frequency electromagnetic field immunity test Class A EN61000 4 4 2004 A1 2012 Electromagnetic compatibility EMC Part 4 4 Testing and measurement t...

Page 52: ...S Link In the Control menu there should be no check mark in the Attenuator setting It must be off to access the wavelength correction Settings Corrections menu You need this to input the wavelength that you are calibrating at see monitor manual The Attenuator setting should be checked off if you are redoing a calibration at the same wavelength as stated on the joulemeter calibration certificate Pr...

Page 53: ...ged during the procedure to invalidate the calibration A change larger than the uncertainty of your measurements means that something has changed in the laser or in the environment Add this to your uncertainty when you use the attenuator or try to stabilize the laser and the environment Go back to Step 3 The correction multiplier for the S Link and an Oscilloscope is calculated attenuator with Rea...

Page 54: ... Monitor contains 1 Monitor 1 USB cable 1 Instruction manual 1 Calibration certificate 1 Software cdrom The Ethernet option contains 1 power supply ordered separately not manufactured by Gentec eo 2 Ethernet Cables 6 2 Separation Paper Manual and certificate Aluminum Monitor enclosure Printed circuit board inside the monitor 6 3 Dismantling procedure To open the monitor Remove all the screws on bo...

Page 55: ... http www gentec eo com en downloads htm 2 Download the latest version of FT_PROG from the Utilites section of the FTDI website http www ftdichip com Resources Utilities htm 3 Unzip all files from the zip folder that you have downloaded 4 FT_PROG requires Microsoft NET Framework 2 0 installed on your system to run This can be obtained from the Microsoft website http www microsoft com downloads det...

Page 56: ...S LINK User s Manual Revision 2 8 51 Step 2 Unselect the Serial USB UART in the USB_String_Descriptor Step 3 Select Program in Devices ...

Page 57: ...S LINK User s Manual Revision 2 8 52 Step 4 Select the Device in the Device list Click on Program and close the FT_PROG software Unplug and replug the USB device ...

Page 58: ...ution of the Joulemeter Mode is 12 bit The resolution in ASCII mode is 15 bits The value in binary mode is coded in two bytes JOULEMETER MODE Byte 1 C O 2 X X X X X Byte 2 C O X X X X X X 2 The MSB of the 12 bit codification for the Joulemeter Mode X Bits of the Codification WATTMETER MODE Byte 1 C O 2 Y X X X X Byte 2 C O X X X X X X 2 The sign Y The MSB for the Wattmeter Mode X Bits of the Codif...

Page 59: ... in Watts apply this formula Measurement in Watt Current Scale Value in Decimal 2048 Example 1 For 151 mW on the 300 mW scale on Channel 1 The S LINK will send you 5006 HEX VALUE where 50 01010000 The first bit 0 is for Channel 1 The second bit 1 is the order of the MSB The third bit is the sign 10000 is the MSB of the codification 06 00000110 The first bit 0 is for Channel 1 The second bit 0 is f...

Page 60: ...S LINK User s Manual Revision 2 8 55 ...

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