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Pendulum SCN-500 User Manual

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EMC Scanner
SCN-500
U S E R M A N U A L
Part No.: 4031 605 50001
Revision: 28
Date: 8 March, 2024
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Summary of Contents for Pendulum SCN-500

  • Page 1 EMC Scanner SCN-500 U S E R M A N U A L Part No.: 4031 605 50001 Revision: 28 Date: 8 March, 2024...

  • Page 2: Table Of Contents

    Positional calibration of the near field probe (HR series) ________________________________________________ 12 Positional calibration of the near field probe (SCN-500 series)___________________________________________ 14 Laser Distance Meter (LDM) of SCN-500 series of EMC Scanners _______________________________________ 15 Entering the amplitude correction factors of the near field probe ________________________________________ 17...
  • Page 3 Reference manual How the Pre-Scan measurement is performed in detail ______________________________________________________ 30 How the Scan measurement is performed in detail __________________________________________________________ 30 How the MultiScan measurement is performed in detail _______________________________________________ 30 How the Immunity-Scan measurement is performed in detail ________________________________________________ 30 The Config tab The Meas.

  • Page 4: Limited Warranty

    Pendulum manuals at no cost, provided that you return the defective Instruments Standards. materials along with a copy of your receipt to Pendulum Instruments or to an authorized dealer during the 1-year period Warranty following your receipt of the software.

  • Page 5: Technical Data

    Technical data EMC Scanner (RS series - Discontinued) RS321 RS642 RS644 Movement in XYZ-axis: 300x200x100 mm 600x400x200 mm 600x400x200 mm Size: 620x400x550 mm 920x600x750 mm 920x600x950 mm Weight: 20 kg 27 kg 35 kg Accuracy: +/- 0.3 mm Min step size: 1 mm Line voltage: 230V/110V, -15%, +10%...

  • Page 6: Emc Scanner (Scn-500 Series)

    EMC Scanner (SCN-500 series) SCN-522 SCN-524 SCN-534 SCN-564 Movement in XYZ-axis (mm): 200x100 200x100x100 300x200x100 600x400x300 Rotation around Z axis (Y/N): 450x370x430 mm 450x370x630 mm 550x470x630 mm 850x670x830 mm Size: (17.7x14.6x16.9”) (17.7x14.6x24.8”) (21.7x18.5x24.8”) (33.5x26.4x32.7”) Weight: 11 kg (24 lbs) 13 kg (29 lbs)

  • Page 7: Safety Instructions

    Operators other applications then the machine has been developed, closes are required to always wear the proper clothing; hair should be the manufacturer Pendulum Instruments Sp. z o.o from any covered to avoid entanglement. Jewelry such as rings and liability.

  • Page 8: Symbols

    – Clearly mark the instrument to prevent its further operation beam hits the eye. – Inform your local Pendulum Service Center. The housing of the optical sensors may only be opened by the For example, the instrument is likely to be unsafe if it is visibly manufacturer.

  • Page 9: Hardware (Hr Series)

    To open the cover, you must pull the cover handle down and closed. then press the cover release button. Test: The Scanner can be operated even if the cover is open. 5. Not in use Hardware (SCN-500 series) Front panel Back panel 1. ZY/ZR selection 1. USB connector When unpressed, the joystick (2) operates the X and Y axes.

  • Page 10: Installation

    Copyright Information in this section is subject to change without notice and does not represent a commitment on the part of Pendulum Instruments AB. The software, which includes information contained in any database, described in this document is furnished under the license agreement or nondisclosure agreement and may be used or copied only in accordance with the terms of that agreement.

  • Page 11: Setting Up Ni Visa And Instruments With Gpib

    Setting up NI Visa and GPIB address of the spectrum instruments with GPIB analyzer Some spectrum analyzer drivers in DSS and all drivers for Click on the Config tab. signal generators and EDDs are using National Instruments In the Spectrum analyzer box, click on the Communication Visa.

  • Page 12: Setting Up Ni Visa And Instruments With Lan

    Setting up NI Visa and If your instrument is not found then go back and select “Manual Entry of LAN Instrument”” and then click Next. instruments with LAN Type in the IP address of your instrument and click “Validate” Some spectrum analyzer drivers in DSS and all drivers for signal generators and EDDs are using National Instruments Visa.

  • Page 13: Calibration

    Calibration Positional calibration of the near field probe (RS series) Place the near field probe in the probe holder. If the probe does not fit you can cut one of the spare probe holders to fit your probe. Adjust the values of Origin Offset X and Y with the distances measured in step 7.
  • Page 14 Step 6 Depending on the type of near field probe being used onr of Step 3 : This is for safety to prevent the probe from running the two beacons needs to be selected. into the Scanner table. Beacon 1 is a vertical coil that works for H-field probes that are sensitive to a vertical field typically horizontal loop probes.
  • Page 15 When the calibration is done you will be given a choice to Advanced settings: move the probe to X0Y0Z0. It is recommended to do so. This Clicking on “Advanced Settings” opens the dialog shown below. is a chance to verify that the probe is correctly calibrated. If the calibration was successful, the tip of the probe should be With these settings you can fine tune the calibration settings position directly above X0Y0.

  • Page 16: Positional Calibration Of The Near Field Probe (Scn-500 Series)

    Positional calibration of the near field probe (SCN-500 series) Make sure the scanner table is empty. Reset the scanner. After reset you will get the choice to adjust the height of the probe. Click Yes. 10. Adjust the values of Origin Offset X and Y with the 11.
  • Page 17 Amplitude/frequency calibration using Strip line calibration option (All scanner models) The strip line calibration option enables you to accurately measure the field strength of the magnetic near field and to compare measurements made with different probes and setups. The probe calibration uses a well-defined strip line board and a spectrum analyzer with built in tracking generator to automatically generate probe correction factors in the Scanner Software, to compensate for imperfections in probes,...

  • Page 19: Laser Distance Meter (Ldm) Of Scn-500 Series Of Emc Scanners

    The LDM is measuring the topography of a DUT using laser triangulation to create a 3D model (STL) that can be used to Turn the laser on by checking LDM ON. measure emission or immunity with the SCN-500 series of EMC Click “Position Scanner manually” to open the positioning Scanners.
  • Page 20 Measuring the topography of a DUT: However, depending on the shape of the DUT and if the laser dot was blocked from the view of the camera, there may be Place the DUT on the scanner table. Keep in mind that there some points where we have no good reading.

  • Page 21: Entering The Amplitude Correction Factors Of The Near Field Probe

    Entering the amplitude Positional calibration of the IR- correction factors of the near probe (DS, and Rx series) field probe Place the IR-probe in the Z-axis carriage. The probe should point straight down towards the Scanner. You can calibrate your probe, Pre-amp and cables automatically Click on the Config tab.
  • Page 22 Setting calibration factors to default values Calculating calibration offset Click on the Config tab. Point the IR-probe towards a surface with a constant In the Scanner box, click on the Edit button to show the next temperature, e.g. the black surface on top of the Scanner dialog box.
  • Page 23 The emission factor normally has a maximum value of 1.00. However, taking into consideration the influence of the surrounding noise, the emission factor of the probe can be set up to 1.20. This is how to change the emission factor of the probe: Unscrew and remove the cover.

  • Page 24: How To

    SCN-500 series Connect the RF cable to the probe and tighten the nut firmly. In the package with the SCN-500 EMC Scanner there is a It is very important that the nut is firmly tighten because of the small plastic bag with three screws and an Allen key. Those rotation forces that will occur during four axis measurements.

  • Page 25: How To Perform Pre-Scan And Emc-Scan Measurements

    How to perform Pre-Scan and EMC-Scan measurements This chapter will guide you through, step by step, how to perform a simple EMC-Scan measurement step by step. Start the software by clicking on the icon on your desktop. After a few seconds, depending on scanner model, this dialog box may show.
  • Page 26 29. Select the desired frequencies from the list of Scanned frequencies and click on the Add => button to move the frequencies into the list of Frequencies to measure. Other ways of entering a frequency into the list of Frequencies to measure, are by double-clicking on the spectra graph or simply by typing the frequency into the Add manually box and clicking on the Add button next to it.

  • Page 27: How To Perform A Multiscan Measurement

    How to perform a MultiScan measurement This chapter will guide you through, step by step, how to perform a simple EMC-Scan measurement step by step. Start the software by clicking on the icon on your desktop. After a few seconds, depending on scanner model, this dialog box may show.
  • Page 28 29. Click on the View Scan tab. 30. Click on the button to load a previously saved MultiScan measurement. 31. There are many ways to visualize the result of a MultiScan measurement by utilizing the features on the View Scan tab. For detailed information, please refer to page 131.

  • Page 29: How To Perform A Heat-Scan Measurement (Ds And Rx Series)

    How to perform a Heat-Scan 10. Click on the Outline button. Define the outline of the test object by entering values into measurement (Only on RS the Area box. You may also click and draw the outline. Drawing the outline is optional, but you will find it useful series) when you want to repeat a measurement.

  • Page 30: How To Perform A Pre-Scan Measurement On Specified Positions (Ds And Rx Series)

    How to perform a Pre-Scan measurement on specified positions This chapter will guide you step by step through a Pre-Scan measurement on specified positions. Start the software by clicking on the icon on your desktop. After a few seconds, depending on scanner model, this dialog box may show.

  • Page 31: How To Perform A Spot Heat Measurement Over A Period Of Time (Ds And Rx Series)

    26. For detailed information on how to operate the View Pre- Scan tab, please refer to table of contents. 27. The result of a Pre-Scan measurement can be documented as a report in HTML format and printed out. Click on the button to create the report and open it in your default HTML browser.
  • Page 32 In Measurement Preferences enter the total measuring time in the Time box. In Measurement Preferences enter the interval desired between the individual measurements in the Interval box. 10. In the Active Layer box, select a colored layer. 11. Start the measurement by clicking on the Start button. 12.

  • Page 33: How To Perform A Spot Emc Measurement Over A Period Of Time

    How to perform a spot EMC How to generate 3D measuring measurement over a period of points time 3D measuring points are based on a 3D surface model in STL file format. This chapter will guide you, step by step, through making a spot The measuring points are generated to form an offset surface to EMC measurement over a period of time.

  • Page 34: How To Make Calculations

    Subtract EMC-Scan or Heat-Scan measurements is a subtraction, measuring point by measuring point, of two previously saved EMC-Scan or Heat-Scan measurements. This calculation is intended to visualize the difference between two EMC-Scan or two Heat-Scan measurements. For example, one measurement performed before and one after an alteration to the test object.
  • Page 35 Reference manual How the Pre-Scan measurement How the MultiScan measurement is performed in detail is performed in detail Basically, a MultiScan measurement is a series of Pre-Scan The Scanner moves to the first measuring position. measurements, one in every measuring position. The spectrum analyzer is reset.
  • Page 36 The Config tab On this tab, you may create your own settings for Scanner, The upper part of the Edit spectrum analyser settings dialog spectrum analyzer, near field probe, IR-probe, limit lines, graphics box contains settings that are valid for both Pre-Scan and Scan and reports.
  • Page 37 calibration of the near field probe”. 3. Probe Choose from a list of available probe settings. 4. Communication settings Click on the Edit button (B) to edit the settings of the selected The communication settings dialog will look different for probe.
  • Page 38 5.1 Heat calibration gain: This is the gain calibration factor of the IR-probe. Please refer to Calibrating the temperature reading of the IR-probe. 5.2 Heat calibration offset: This is the offset calibration factor of the IR-probe. Please refer to Calibrating the temperature reading of the IR-probe. 5.3 Com port: The number of the RS-232 port connected to the Scanner 6.
  • Page 39 Report tab 8.3.5 Max texture size Setting the texture size higher will give better images but also slower update when browsing frequencies on a MultiScan on View Scan tab. The optimal setting is different for different PCs. 8.2.2 Report settings, EMC: Check the options you wish to include in the EMC reports printed from the View Scan and View Pre-Scan tabs.
  • Page 40 The Meas. points – General tab On this tab, you define the measuring points. The measuring points can either make up a grid of points or just be individual points on specified positions. 1. Open Click here to load a previously saved set of measuring points. The files containing measuring points are named *.MP. 2.
  • Page 41 8. Show Scanner path Start X, End X, Start Y and End Y: These values define an area aligned with the currently selected Check this option to show the path along which the Scanner will Plane. The values can be entered either manually into the text move during measurement.
  • Page 42 The Meas. points – 3D tab On this tab, you define the measuring points as an offset to a 3d surface model. 1. Open 6. Position Scanner manually Click here to load a previously saved set of measuring points. The Click on this button to open the form shown below: files containing 3D measuring points are named *.MP3D.
  • Page 43 7. Step size 14. Zoom mode Step size is the distance between measuring points. Click on this button to activate Zoom mode. A small step size will generate a high-resolution measurement and When Zoom mode is activated, the following features are a large step size will generate a low-resolution measurement.
  • Page 44 The Meas. points – 3D tab – STL alignment Using this dialog box you can move and rotate a surface model of a test object so that it aligns with the position and rotation of the test object placed on the Scanner table. The alignment procedure requires three positions on the surface of the STL file and three corresponding positions on the surface of the real life test object.
  • Page 45 The Position Scanner manually form The purpose of this form is to help in finding the correct coordinates for the measuring points. The form is accessible from both measuring points tabs. 1. Coordinates 6. Move Scanner to START These labels show the current Scanner position Click on this button to move the Scanner to the “Start”...
  • Page 46 The Meas. EMC – Measure Emission tab On this tab, you can perform two kinds of EMC measurements, the wide-band Pre-Scan measurement that will give an overview of the emitting frequencies, and the narrow–band EMC-Scan measurement that will reveal the form and position of the emission fields at a certain frequency.
  • Page 47 10. Add => 13. Remove Click here to move one or more frequencies from the list of Click here to remove a frequency that has previously been added Scanned frequencies to the list of Frequencies to measure. manually to the Frequencies to measure box. 11.
  • Page 48 Click here to select an EDD driver. signal generator is not in the list, please contact your local The driver called “Configurable EDD” is an open driver that works Pendulum Instruments representative. like a script. See below for more details. 2. Setting 7.
  • Page 49 Measure Immunity tab – Generator communication settings Click the “Search for instruments” button to open the dialog All communication with signal generators and EDDs is done below. using National Instruments Visa. Therefore, it is required to install the NI Visa driver. It can be downloaded at www.ni.com. Further information about using Visa can be found in appendix 2 1.
  • Page 50 Measure Immunity tab – EDD settings 1. Initialization sequence Because the driver for the instrument (EDD) that we use to detect test object (DUT) failure needs to be very flexible to suit different This list of GPIB commands is sent to the EDD once to set it test objects, we’ve made it as an open driver that you can change up for measuring.
  • Page 51 Measure Immunity tab – EDD settings (Script commands) The initialization sequence and the detection sequence may The WAIT command: contain script commands that are processed in the software Syntax: <WAIT xxx> before being sent to the EDD. Replace xxx with the requested delay time in milliseconds. The example below shows how to use a HP 8595E spectrum Example: <WAIT 500>...
  • Page 52 The Meas. EMC – Extra tab New feature in version 2.9.2 The principal is very simple; we use four lists of commands that are sent to the instrument in plain text. Initialization sequence – These commands are send to the Extra instrument directly after the spectrum analyzer has been initialized.
  • Page 53 The Batch tab On this tab you can make batch measurements. That is, you can make a list of measurements with different settings that can be executed in sequence. The purpose is to be able to make unattended measurements for example overnight. 1.
  • Page 54 The Meas. Heat tab (only DS and Rx series) 1. Stop 5. Heat-Scan Click here to stop a Heat-Scan measurement. Click here to perform a Heat-Scan measurement. Before the measurement is started, you will have to save the result to a *.T01 file using a normal Save As dialog box.
  • Page 55 The Meas Heat/Time tab (DS and Rx series) On this tab you can perform a heat-over-time measurement on a specified position. The measurements are stored on six different layers. You can e.g. load two previously saved measurements into Layer 1 and Layer 2, and then start a measurement onto Layer 3. 4.
  • Page 56 The Meas EMC/Time tab On this tab you can perform an EMC-over-time measurement on a specified position. The measurements are stored on six different layers. You can e.g. load two previously saved measurements into Layer 1 and Layer 2, and then start a measurement onto Layer 3. 4.
  • Page 57 The Calculate tab On the Calculate tab, you can perform four different calculations based on measurements. The calculations are as follows: 1. Concatenate EMC-Scan measurements 4. Subtract Heat/Time measurements is a subtraction of two previously saved Heat/Time measurements. is a vector addition, measuring point by measuring point, of two previously saved EMC-Scan measurements.
  • Page 58 The View Scan tab 11 12 13 14 4. Save 1. Open Click on this button to save the current image to a *.BMP or *.JPG Click on this button to open an EMC-Scan measurement, a Heat- file. Scan measurement, a project or an image. Please refer to page 136 for an explanation of how to load an image.
  • Page 59 When Zoom mode is activated, the following features are bottom value of the color palette, you can focus the entire color available: palette to the amplitude span that you wish to examine. Zoom in or out by turning the mouse wheel. 17.
  • Page 60 The View Scan tab – Loading images with simple alignment Before loading an image, a few things need to be determined. Is the entire image, or just a part of it, to be used? What size does the image need to take when loaded (in millimeters)? How should the image be positioned? The aligned image will automatically be saved with the extension .AJPG (aligned-JPG).
  • Page 61 The View Scan tab – Loading images with 4-point alignment The 4-point alignment will allow you to pick four points with the mouse cursor on the image and four points with the probe on the physical object. These eight points are then used to stretch and distort the image so that it aligns with the physical object. This will, for example, help correcting a photo that was taken at an angle.
  • Page 62 When the probe is at the preferred position, use the Store buttons to store the coordinate in one of the Scanner position boxes on the 4-point alignment form. 5. Restore Image Click here to reload the image from file 6. Transform image Click here to transform the image 7.
  • Page 63 The View Scan tab – Viewing MultiScan measurements 5. Frequency 1. Field plot This is the selected center frequency from which the field plot is The field plot is generated from the highest peak within the generated. Type in a new center frequency and hit <enter> to selected span in each measuring position.
  • Page 64 The View Pre-Scan tab 2. Save Click on this button to save the current image to a *.BMP or *.JPG file. 3. Information mode Click on this button to activate Information mode. When Information mode is activated, the label above the graphics will show the frequency and amplitude corresponding to the position of the pointer.
  • Page 65 The Camera window (HR series with IC option) The Camera window provides a high resolution (2048x1536) view of the test object and the tip of the probe. The purpose is to allow the user to, very accurately, calibrate to position of the probe and to view and document the position of the probe.
  • Page 66 Maintenance (DS and Rx series) 1. Clean regularly all outside surfaces of the scanner using a damp cloth with a gentle cleaning agent. 2. Do a review of all the screws on the scanner and if there are some loose screws, just tighten them. 3.
  • Page 67 3.9. Lubricate the shaft guides through the sealing lips. Use oil. 3.14. Remove the now visible plastic plug. 3.15. Push the Z-axis sledge down. 3.16. Lubricate the now visible nipple using a grease gun. 3.17. Remove the plastic plugs on both sides of the Z-axis sledge.
  • Page 68 Appendix 1 Installing R&S FS300 USB driver Follow the steps below to install the USB driver for R&S FS300.. 1. Download the “FS300: VXIplug&play driver for Spectrum Analyzer FS300” from http://www.rohde-schwarz.com. 2. Run the downloaded installation program. 3. Connect and power on the FS300 spectrum analyzer. 4.
  • Page 69 Appendix 2 How to connect to an instrument via LAN Some spectrum analyzer drivers in DSS and all drivers for signal Double click on “Connection to local network” generators and EDDs are done using National Instruments Visa. Therefore it is required to install the NI Visa driver first. The driver and instructions how to install it can be downloaded at www.
  • Page 70 Activate “Use this IP-address”. This is where you need to 14. Click on “Network Devices”, then “Add network device” and change back when returning to your office and want to then “VISA TCP/IP Recource…” connect to your normal DHCP network. Type in IP-address and netmask.
  • Page 71 17. If your instrument doesn’t popup we have to find it manually. 21. Make sure you have selected a spectrum analyzer driver Select “Manually specify…” and then click next. that has (Visa) in the name and then click “Communication settings” 18.
  • Page 72 Appendix 3 How to configure Tektronix SignalVU and TekVisa so that Detectus Scanner Software can use any Tektronix spectrum analyzer The procedure is different depending on if it is a clean installation g. Check the box to start the VXI-11 server with windows. with no other Visa’s than TekVisa installed on the PC or if National Instruments Visa is also installed.
  • Page 73 CONTACT DETECTUS / PENDULUM INSTRUMENTS SWEDEN Grönlandsvägen 35, 782 31 Malung Phone: +46 280 41122 info@pendulum-instruments.com UNITED STATES phone: +1(866) 644-1230 us-office@pendulum-instruments.com POLAND phone: +48 (58) 681 8901 © Pendulum Instruments 2024 info@pendulum-instruments.com 8 March, 2024. EMC Scanner SCN-500 rev.28...

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