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Remote Control - SCPI

R&S

QAR

User Manual 1178.7200.02 ─ 09

6.2.3

Measurement Control

MEASurement:STARt

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MEASurement:STARt

This command initiates a measurement.

We recommend to define a timeout of at least 10 seconds to allow for the measure-
ment to finish.

Example:

//Initiate measurement

MEAS:STAR

Usage:

Event

6.2.4

Radome Measurements

6.2.4.1

Application Selection

SYSTem:MODE:DEFault

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SYSTem:MODE:GETMode?

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SYSTem:MODE:SC

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SYSTem:MODE:DEFault

This command selects the 12 cluster radome measurement.

Example:

//Select 12 cluster measurement

SYST:MODE:DEF

Usage:

Event

SYSTem:MODE:GETMode?

This command queries the current measurement mode.

Return values:

<Mode>

12 cluster measurement

SIngle cluster measurement

Example:

//Query measurement mode

SYST:MODE:GETM?

Usage:

Query only

Remote Commands

Содержание 1336.5401.02

Страница 1: ...R S QAR Quality Automotive Radome Tester User Manual 1178720002 Version 09 02...

Страница 2: ...e reflector 1336 5476 02 R S QAR K10 Radome measurements 1336 5501 02 R S QAR K20 Grid evaluation 1343 0030 02 R S QAR K50 1 Cluster measurements 1343 0018 02 R S QAR K60 Bumper measurements 1336 5482...

Страница 3: ...stalling the R S QAR 17 4 2 1 Installing the R S QAR on the Floor 18 4 2 2 Installing the R S QAR on the Platform R S QAR Z20 20 4 2 3 Installing the Radome Measurement Elements 22 4 2 4 Installing th...

Страница 4: ...ents 65 5 3 4 Configuration 66 5 3 5 Verification 68 5 4 Radar Positioning Measurements 71 5 4 1 Test Setup 71 5 4 2 Graphical User Interface 72 5 4 3 Measurement 74 5 4 4 Configuration 76 5 4 5 Verif...

Страница 5: ...7 2 3 Examples 106 7 3 Device States 109 7 4 Timing Diagram 110 7 5 Error Handling 110 8 Maintenance 113 8 1 Cleaning Information 113 8 2 Software Update 114 8 3 Storage 117 8 4 Transport 117 8 5 Dis...

Страница 6: ...Contents R S QAR 6 User Manual 1178 7200 02 09...

Страница 7: ...up or operation 1 1 Safety Instructions The R S QAR Quality Automotive Radome Tester is manufactured according to the highest technical standards To use the scanner safely follow the instructions prov...

Страница 8: ...such as ambient temper ature and humidity see the data sheet Installing cables A R S QAR installation consisting of the R S QAR monitor and transmitter module requires cable connections power cables...

Страница 9: ...from the power supply at any time Pull the power plug to disconnect the product The power plug must be easily accessi ble Meaning of safety labels Safety labels on the product warn against potential r...

Страница 10: ...information Contains safety instructions operating conditions and further important information The printed safety instructions are part of the delivery Data sheet and brochure The data sheet contain...

Страница 11: ...uses the frequency range between 72 GHz and 82 GHz Additional equipment like an optional platform R S QAR Z20 on which you can mount the R S QAR or a table for the device under test DUT mounting table...

Страница 12: ...button 2 USB ports 4x 3 Display connector DVI 4 LAN interface 5 Power supply for a monitor including 2 fuses 6 Transmitter module control 7 Ground terminal 8 AC inlet and main power switch 3 1 Main Po...

Страница 13: ...0 V AC and 50 Hz No additional protective ground needed 230 V to 240 V AC or a frequency greater than 50 Hz Additional protective ground needed Exception The following two 60 Hz AC distribution system...

Страница 14: ...V networks By a fuse with at least 16 A in 230 V networks 3 If the voltage drops to 70 for 500 ms a reboot occurs 3 2 Power Button The power button is located on the back of the R S QAR Use it to swit...

Страница 15: ...monitor are located on the back side of the R S QAR Use them to connect an external monitor to operate the R S QAR Figure 3 4 DVI interface Fuses F1 and F2 Two fuses of the same type 1 A designation...

Страница 16: ...ts on the back side The two top ports are USB 3 0 type A The two bottom ports are USB 2 0 type A They offer multiple uses Connection of a keyboard to operate the R S QAR Connection of a mouse to opera...

Страница 17: ...hipped 4 2 Installing the R S QAR Using the R S QAR requires you to install it firmly to some kind of support fixture in order to prevent it from toppling over You can install the R S QAR in different...

Страница 18: ...not use the platform the R S QAR must be attached to the floor Required tools Allen wrench size 5 for screws ISO 10642 M8x20 Allen wrench size 6 for screws ISO 4762 M8x40 Power drill Anchor bolts siz...

Страница 19: ...back side 2 Screw the two supports to the side of the R S QAR with two socket head screws ISO 10642 M8x20 Allen wrench size 5 on each side of the R S QAR see Fig ure 4 2 Figure 4 2 R S QAR installati...

Страница 20: ...Installing the R S QAR on the Platform R S QAR Z20 Required tools Allen wrench size 5 for screws ISO 10642 M8x20 Allen wrench size 6 for screws ISO 4762 M8x40 Allen wrench size 10 for screws ISO 4762...

Страница 21: ...e 4 4 Platform alignment Mounting the R S QAR When the platform is in place you can mount the R S QAR on the platform Whenever you lift move or carry the R S QAR use the handles on its back side 1 Scr...

Страница 22: ...Support installation top view 4 2 3 Installing the Radome Measurement Elements Radome measurements require the DUT mounting table and the transmitter module Required tools Allen wrench size 5 Torx wr...

Страница 23: ...drill holes are indicated in Figure 4 1 2 Screw the table to the floor with four anchor bolts size 6 mm for example a Fischer FAZ II 6 The anchor bolts are not included in the delivery Attaching the t...

Страница 24: ...r bumper measurements consists of the R S QAR and a reference reflector including a stand for the reference reflector The reference reflector has to be placed at a specific height and at specific dist...

Страница 25: ...QAR front by using for example a spirit level Check the lateral distance by performing the verification described in Chapter 5 3 5 Verification on page 68 2 Align the reference reflector with a spirit...

Страница 26: ...izontal misaligment z axis 6 If the normalization indicates a misalignment adjust the position of the reflector stand as described below Do not change the position of the reference reflector itself No...

Страница 27: ...rement a If normalization does no longer indicate a misalignment reassemble the stand b If normalization still indicates a misalignment repeat the adjustment until the error no longer occurs Correctin...

Страница 28: ...ment z axis Solves message in user interface Shift reference reflector downward upward 1 Loosen the screws on the side of the support bar with an Allen wrench size 6 2x 2 Move the reflector up or down...

Страница 29: ...icates a misalignment repeat the adjustment until the error no longer occurs Correcting a vertical tilt Solves message in user interface Rod alignment or rod distance is not correct 1 Remove the cover...

Страница 30: ...ing the platform 1 Place the platform on a stable and horizontal surface that can support the weight of the R S QAR 2 Check with a spirit level if the platform itself is level 3 If necessary remove an...

Страница 31: ...n in Figure 4 13 Those two pins fit into the two mounting holes on the frame of the R S QAR Figure 4 13 R S QAR installation including support mounting 3 Secure the R S QAR by screwing the two support...

Страница 32: ...monitors with a vertical resolution of up to 1080p 2 Connect a keyboard and a mouse to two of the USB ports 3 Optional Establish a connection to your LAN via the LAN interface 4 Optional radome measur...

Страница 33: ...e from the application launcher The application launcher automatically starts after you start the system Alterna tively you can search and select the application from the Windows start menu You can no...

Страница 34: ...to protect Windows based operating systems These are released through the Microsoft Update website and associated update server Instruments using Windows especially those that con nect to a network sh...

Страница 35: ...Preparing for Use R S QAR 35 User Manual 1178 7200 02 09 Changing the passwords For security reasons we recommend that you to change the passwords Operating System...

Страница 36: ...ted help available via the icon or the documentation available on Gloris Accessing the measurement application You can access the application by connecting a monitor a keyboard and a mouse to the R S...

Страница 37: ...s follows 1 Start the R S QAR to start the system and the measurement application For more information about the functionality of the measurement application see Chapter 5 1 2 Graphical User Interface...

Страница 38: ...When you use the optional platform and DUT mounting table the test setup is already predefined The R S QAR is in a given position and the DUT when positioned on the table is already in the necessary d...

Страница 39: ...easurement description 3 Result display reflection 4 Result display transmission loss 5 Measure button 6 Normalize transmission button 7 Numeric results transmission loss 8 System messages 9 Status ba...

Страница 40: ...eflection Initiates the normalization of the reflection measurement For more information see Chapter 5 1 3 1 Normalization on page 41 Optional Normalize Transmission Initiates the normalization of the...

Страница 41: ...t Measuring a DUT 1 Set up the normalization 2 Start the normalization with Normalize Reflection or the F3 key and Normalize Transmission or the F4 key For details on how to normalize the measurement...

Страница 42: ...e datasheet for exact values 3 Optional Scan the metal plate with the Measure button to verify the normaliza tion If the results do not meet the expectations repeat the normalization If the second nor...

Страница 43: ...addition to the image the mean reflection and the standard deviation of the reflec tion are calculated as numeric results Both values are shown under the millimeter wave image in logarithmic units dB...

Страница 44: ...ay mean attenuation is calculated as follows 20 log10 mean transmission coefficient The mean transmission coefficient is calculated over the respective frequency range You can also query the minimum a...

Страница 45: ...g evaluation masks If you have designed and saved an evaluation mask previously you can import it any time you need it Before importing a mask make sure that the mask editing mode is off 1 Select Opti...

Страница 46: ...d 1 5 Define the location of the grid in terms of an offset from the center of the image A positive x offset moves the grid to the right of the center A negative x offset moves the grid to the left of...

Страница 47: ...master cells appear in green color Note that the mean reflection is evaluated separately for Grid 1 and Grid 2 Master cells and undefined cells cells that are not excluded and are not master cells and...

Страница 48: ...ding 2 Define the default directory in which to save the results in the Result Folder input field For each measurement the R S QAR creates a folder that contains the measure ment data 3 Select Autosav...

Страница 49: ...son of the specified grid Tip You can restore measurement results at any time with the keyboard shortcut Ctrl O or from the File menu Restoring measurement results requires at least the raw 2D imaging...

Страница 50: ...a fix distance from the R S QAR If verification fails validate the verification setup If verification fails several times in a row despite a valid setup contact Rohde Schwarz customer support to cali...

Страница 51: ...the delivery of the verification set Verification objects 1 x metal plate 1 x metal plate with cut outs 3 x plastic plate with different thicknesses Frame for verification objects Allen wrench size 5...

Страница 52: ...ists of five consecutive measurements with the verifica tion objects square plates The verification objects are labeled A to E 1 Select verification mode in the application Options Verification In ver...

Страница 53: ...D into the frame b Initiate a measurement c Remove the metal plate from the frame The resulting image should show a clear image of the verification object The patterns should be clearly visible Verifi...

Страница 54: ...on is similar to radome measurements The difference is that the single cluster application measures the DUT characteristics using only a single cluster instead of all 12 clusters The typical procedure...

Страница 55: ...must be positioned directly opposite to the cluster that measures the DUT and therefore slightly off center to the center of the R S QAR In Figure 5 10 the box indicates the area in which the R S QAR...

Страница 56: ...ment description 3 Single cluster measurement selection 4 Result display reflection 5 Overview test setup 6 Measure button 7 Status bar 8 System messages 9 Normalize measurement 10 Numeric results Res...

Страница 57: ...nd result displays Info Contains various information about the application including information about open source software licenses and the user manual Keyboard shortcuts The following keyboard short...

Страница 58: ...entional network analyzer Since setups with a network analyzer are usu ally complicated the single cluster application of the R S QAR is a good tool to verify the absolute reflection values of a DUT I...

Страница 59: ...ction with are also highlighted Note that there can be several such areas in the image depending on the characteristics of the DUT Measuring a homogenous flat highly reflective DUT usually results in...

Страница 60: ...tion see Normalizing reflection measurements on page 42 1 Normalize the setup with a suitable object We recommend using the plate labeled E from the verification kit R S QAR Z43 2 Replace the normaliz...

Страница 61: ...tion objects in the bag they were delivered in Keep the verification objects clean and without fingerprints Do not scratch the verification objects Clean the objects with a lint free duster or a damp...

Страница 62: ...y points to cover the frequency range 76 GHz 81 GHz Thanks to the multistatic imaging of the reflector pins the analyzed bumper is irradiated from different angles from 38 to 24 as shown in figure Fig...

Страница 63: ...ment on page 66 5 Save the measurement results if needed See also Managing measurement results on page 67 5 3 1 Test Setup Place the bumper between the R S QAR and the reference reflector at a mini mu...

Страница 64: ...selection Selects the configuration for the measurement type of bumper you are measuring The configuration determines which pins of the reference reflector to use for the mea surement The default conf...

Страница 65: ...ils Ctrl Q Closes the software F5 Initiates a measurement 5 3 3 Measurements For bumper measurements the R S QAR provides a reflection measurement Bumper measurements require the optional reference re...

Страница 66: ...l scan the free space by clicking the Measure button to verify the normali zation The expected result is an attenuation around 0 dB For a range of acceptable results see the datasheet If the results d...

Страница 67: ...ment results You can export the measurement data for example to store it on an external memory device or copy it to a different computer for further analysis with different software You can also resto...

Страница 68: ...QAR that takes a picture of the DUT during the measurement This picture is stored together with the measurement data The R S QAR supports all webcams that are recognized as an Imaging Device in the Wi...

Страница 69: ...All required equipment is included in the delivery of the R S QAR Z41 Verification objects 1 x metal frame 3 x plastic plate with different thicknesses Frame for verification objects Allen wrench siz...

Страница 70: ...fingerprints Do not scratch the verification objects Clean the objects with a lint free duster or a damp rag Do not use chemicals Normalize the measurement as described in Chapter 5 3 3 1 Normalizatio...

Страница 71: ...consists of the R S QAR and the DUT for example a radar module installed behind the bumper of a car To measure the position of the radar module you simply park the car in front of the R S QAR Make su...

Страница 72: ...ser Interface The graphical user interface GUI contains several elements 1 2 3 11 10 4 5 6 7 8 9 Figure 5 22 Software graphical user interface 1 Menu bar 2 Car type 3 Description 4 Graphical results 5...

Страница 73: ...ystem messages Shows various status messages of the system like a missing normalization or the remaining warm up time The full warm up time is 90 minutes Menu bar The menu bar contains various setting...

Страница 74: ...l of the radar sensors emission cone to cal culate the intersection area of the emission cone and the radome Finally the R S QAR calculates the shortest distance between the intersection area of the r...

Страница 75: ...l eight measurement points By default the results are shown in ascending order from smallest to largest distance You can also define a different order based on the index number of the measurement poin...

Страница 76: ...em mechanically adjusts the location of the R S QAR in relation to the location of the radar sensor Stand alone mode The R S QAR is installed on the platform R S QAR Z21 For a valid measurement the R...

Страница 77: ...han the maximum limit it means that the radar is too turned around an axis and you get a Not OK status red traffic light Distance limit Minimum distance from the radar window border If the measured di...

Страница 78: ...ically stores the results after each measurement Tip You can always save the measurement results deliberately with the keyboard shortcut Ctrl S or from the File menu 4 Select Save Screenshot to store...

Страница 79: ...ted to from the dropdown menu 5 4 5 Verification The R S QAR provides a verification procedure to validate the quality of the measure ments Verification consists of a series of measurements with stand...

Страница 80: ...The verification objects are labeled A to C 1 Let the R S QAR warm up for at least 90 minutes 2 NOTICE Handling the verification objects Store the verification objects in the bag they were delivered...

Страница 81: ...ication objects Verification passes if the measurement results for all three objects are within the limits measurement result is OK 6 Optional If necessary change the verification limits Options Alarm...

Страница 82: ...y 5 The TCP IP network protocol and the associated network services are preconfigured on the instrument Software for instrument control and the VISA program library must be installed on the PC control...

Страница 83: ...etwork services are preconfigured TCP IP ensures connection oriented communication where the order of the exchanged messages is adhered to and interrupted links are identified With this proto col mess...

Страница 84: ...n of the results The location is always a complete directory because measure ment results are made up out of several files Example Restore measurement results MEAS LOAD c qar results measurement Usage...

Страница 85: ...T 0 MEASurement SAVE Description This command saves the current measurement results Prerequisites for this command Measurement results must be available Define the location in which the results should...

Страница 86: ...erial port the barcode scanner uses Example Select barcode scanner port MEAS RES BCS USE ON MEAS RES BCS PORT COM1 MEASurement RESult BCS USE State This command turns the usage of a barcode scanner on...

Страница 87: ...R Usage Event 6 2 4 Radome Measurements 6 2 4 1 Application Selection SYSTem MODE DEFault 87 SYSTem MODE GETMode 87 SYSTem MODE SC 88 SYSTem MODE DEFault This command selects the 12 cluster radome mea...

Страница 88: ...n STARt FREQuency 90 MEASurement TRANsmission BAND n STATistics m MEAN 91 MEASurement TRANsmission BAND n STATistics m UNIT 91 MEASurement TRANsmission BAND n STOP FREQuency 91 MEASurement TRANsmissio...

Страница 89: ...sult You can query the unit of a result with MEASurement REFLection STATistics n UNIT Return values Reflection The unit is either dB or PCT Example Query mean reflection MEAS STAR MEAS REFL STAT2 MEAN...

Страница 90: ...ection measurement MEAS STAR MEAS REFL STAT STD Usage Query only MEASurement REFLection STATistics n UNIT This command queries the unit of the reflection measurement results Prerequisites for this com...

Страница 91: ...ission Default unit dB Example Query logarithmic result of second frequency band MEAS TRAN BAND2 STAT1 MEAN Usage Query only MEASurement TRANsmission BAND n STATistics m UNIT This command queries the...

Страница 92: ...ssion MINLoss This command queries the minimum transmission loss that has been measured Return values TransmissionLoss Default unit dB Example Query the minimum transmission loss MEAS TRAN MINL Usage...

Страница 93: ...Surement LOAD on page 84 MEASurement SAVE on page 85 MEASurement STARt on page 87 MEASurement REFLection NORMalize STARt on page 88 MEASurement REFLection NORMalize REQuired on page 88 MEASurement REF...

Страница 94: ...nit of a result with MEASurement REFLection SCSTatistics n UNIT Return values Deviation The unit is either dB or PCT Example Query standard deviation of the reflection measurement MEAS STAR MEAS REFL...

Страница 95: ...e json file format Setting parameters FileName String that contains the file name and its location Note that the file name must have the json file extension Example Export mask coordinates MEAS REFL M...

Страница 96: ...p Usage Setting only 6 2 5 Bumper Measurements 6 2 5 1 Measurements Remote commands described elsewhere MEASurement LOAD on page 84 MEASurement SAVE on page 85 MEASurement STARt on page 87 MEASurement...

Страница 97: ...on UNIT This command queries the unit of the attenuation measurement Prerequisites for this command Attenuation measurement results must be available Return values Unit String containing the unit Exam...

Страница 98: ...R Usage Event MEASurement OK This command returns 1 if the measured mean attenuation at a specified location is below threshold Prerequisites for this command Attenuation measurement results must be a...

Страница 99: ...MEASurement RESult SAVE WHAT on page 85 6 2 6 System SYSTem ERRor CODE 99 SYSTem ERRor MESSage 100 SYSTem EXIT 100 SYSTem REBoot 100 SYSTem OPTions 100 SYSTem SHUTdown 101 SYSTem STATus CODE 101 SYSTe...

Страница 100: ...ent results and repeat the measurement SYSTem ERRor MESSage This command queries system errors Return values ErrorMessage String containing the error message For a list of messages see SYSTem ERRor CO...

Страница 101: ...Return values StatusCode Example Query system status SYST STAT CODE Usage Query only Code Message Description 0 Ready for measurement 1 Device initializing Wait until hardware initialization is done...

Страница 102: ...ables The following tables contain all variables supported by the R S QAROPCClient appli cation For each variable you have to define the exact node path in the following file C Program Files x86 Rohde...

Страница 103: ...ring Path to store measurement results i e C QAR Results Trigger Measure Bool Trigger to start measurement Trigger Diagnostics Bool Trigger to start diagnostics Heartbeat Bool Signal pulse to ensure c...

Страница 104: ...ications Variables for radome measurements RadomeMeasurement Reflection Statistics_ n Mean Float Reflection mean value RadomeMeasurement Reflection Statistics_ n Std_Dev Float Reflection standard devi...

Страница 105: ...ion mean value BumperMeasurement Attenuation_Std_Dev Float Current measurement attenuation mean value BumperMeasurement Timestamp String Current measurement timestamp BumperMeasurement Unit String Cur...

Страница 106: ...owing table displays the maximum length of the string variables Table 7 4 String variables length Variable name Maximum string length Configuration_x Configuration_ dd 83 Error_Msg 320 Path_Results 26...

Страница 107: ...ement Reflection Window Width height CompactLogix CompactLogix_PLC Global QAR FromPLC RadomeMeasurement Reflection Window Height xcenter CompactLogix CompactLogix_PLC Global QAR FromPLC RadomeMeasurem...

Страница 108: ...ompactLogix_PLC Global QAR ToPLC BumperMeasurement Attenuation_Mean attenuation_std CompactLogix CompactLogix_PLC Global QAR ToPLC BumperMeasurement Attenuation_Std_Dev timestamp CompactLogix CompactL...

Страница 109: ...ction It indicates that the device needs repair or replacement 3 After data acquisition the data analysis starts and the device switches to State Processing While R S QAR has this state you can move t...

Страница 110: ...or Trigger Diagnostics Results_Received R S QAR State Initializing State Ready_ToMeasure State Processing State Results_Ready Figure 7 3 Timing diagram for measurements and diagnostics 7 5 Error Hand...

Страница 111: ...rz QAROPCClientBumper config qar_cfg json 104 No configuration found for operation mode opmode No measurement configurations pres ent Restore C Program Files x86 Rohde Schwarz QAROPCClientRadome confi...

Страница 112: ...has failed Reference reflector verification failed Check the correct reference reflector in the bumper measurement UI 113 Invalid result path Path_Results does not exist Set Path_Results to a valid p...

Страница 113: ...naccurate measurements 2 Clean the frame and rear side of the R S QAR with a lint free duster In the case of stubborn dirt you can also wipe the frame and rear side with a damp rag 3 Clean the platfor...

Страница 114: ...an the reference reflector carefully with a dry and soft lint free dust cloth If there are bigger dirt particles between the pins pick them out carefully with tweezers 8 2 Software Update A software u...

Страница 115: ...ws 10 upgrade to one of the upper USB 3 0 ports on the R S QAR 8 Run flashbios cmd in the root directory of the USB stick to install a new BIOS make sure you are logged in as an administrator before y...

Страница 116: ...tes depending on the amount of cali bration data 14 Select Settings System About from the Windows Start menu to rename the computer to the name recorded in step 6 QAR xxxxxx 15 Restart the R S QAR Act...

Страница 117: ...structions on the screen After a telephone call to the Microsoft support center who will give you the confir mation ID the R S QAR is ready to use 4 Attach the license sticker to R S QAR frame next to...

Страница 118: ...act Electrical and electronic equipment A product that is labeled as follows cannot be disposed of in normal household waste after it has come to the end of its service life Even disposal via the muni...

Страница 119: ...contact our customer sup port center A team of highly qualified engineers provides support and works with you to find a solution to your query on any aspect of the operation programming or applica ti...

Страница 120: ...o configure control and run measurements with the R S QAR The software is installed on the R S QAR Mounting table Pedestal that holds the DUT and the transmitter module Available as accessory R S QAR...

Страница 121: ...ransmission loss Measure of attenuation of the DUT over a certain frequency range Transmission loss measurements require the optional transmitter module Transmitter module Device required to measure t...

Страница 122: ...cks 34 Operation 36 Bumper measurements 62 Radar positioning measurement 71 Radome measurements 37 41 Single cluster radome measurements 54 57 Overview 11 P Packaging 17 Power button 14 Protective gro...

Страница 123: ...sitioning measurements 72 Radome measurements 39 Single cluster radome measurements 56 User interface language 78 User interface mode 76 V Verification 79 Bumper measurements 68 Radome measurements 50...

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