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Remote control basics

R&S

NRPxxP

129

User Manual 1179.5760.02 ─ 02

0
1
2
3
4
5
6
7
8
9

10
11
12
13
14
15

Sum of bits 1 to 4

Measurement not possible

Erroneous result

Warning

Critical

0
0

Legacy locked state

0
0
0
0
0
0
0

Figure 10-2: Device status register

Querying the register:

●

STATus:DEVice:CONDition?

●

STATus:DEVice[:EVENt]?

Querying the static errors:

●

SYSTem:SERRor?

Table 10-4: Used device status bits and their meaning

Bit no.

Short description

Bit is set if

Sum of bits 1 to 4

Sum/combination of static error (SERR) bits 1 to 4.

Measurement not possible

Erroneous results

Static error exists. The measurement result is possibly incor-
rect.

Warning

Static error exists. Status LED of the power sensor is slowly
flashing red.

Status reporting system

Содержание NRP P Series

Страница 1: ...R S NRPxxP Pulse Power Sensors User Manual 1179576002 Version 02 2...

Страница 2: ...hone 49 89 41 29 0 Email info rohde schwarz com Internet www rohde schwarz com Subject to change data without tolerance limits is not binding R S is a registered trademark of Rohde Schwarz GmbH Co KG...

Страница 3: ...eets and brochures 10 2 1 7 Release notes and open source acknowledgment OSA 10 2 1 8 Application notes application cards white papers etc 10 2 2 Key features 10 3 Preparing for use 11 3 1 Unpacking a...

Страница 4: ...Replacing an R S NRP Zxx with an R S NRPxxP 32 7 1 Important difference 32 7 2 Prerequisites 32 8 Remote control commands 33 8 1 Conventions used in SCPI command descriptions 33 8 2 Notations 34 8 3 C...

Страница 5: ...average measurement results 95 8 9 2 Burst average measurement results 96 8 9 3 Timeslot measurement results 96 8 9 4 Trace measurement results 96 8 9 5 Pulse analysis measurement results 99 8 9 6 St...

Страница 6: ...system 126 10 2 1 Overview 126 10 2 2 Device status register 128 10 2 3 Questionable status register 130 10 2 4 Standard event status and enable register ESR ESE 132 10 2 5 Operation status register...

Страница 7: ...The printed Safety Instructions are delivered with the product Throughout the documentation safety instructions are provided when you need to take care during setup or operation 1 1 Safety instructio...

Страница 8: ...product inform about Personal safety See Meaning of safety labels on page 8 Environment safety See Table 1 1 Identification of the product Table 1 1 Labels regarding environment safety Labeling in li...

Страница 9: ...ered with the power sensor 2 1 2 User manuals Contains the description of all instrument modes and functions It also provides an introduction to remote control a complete description of the remote con...

Страница 10: ...urce soft ware www rohde schwarz com firmware nrp p 2 1 8 Application notes application cards white papers etc These documents deal with special applications or background information on particu lar t...

Страница 11: ...ating site Specific operating conditions ensure proper operation and avoid damage to the prod uct and connected devices For information on environmental conditions such as ambi ent temperature and hum...

Страница 12: ...e is most likely to occur when you connect or disconnect a DUT NOTICE Electrostatic discharge can damage the electronic components of the product and the device under test DUT Ground yourself to preve...

Страница 13: ...2 Remove the power sensor 3 5 Powering the power sensor The electrical power for the R S NRPxxP is supplied over the host interface See Chapter 4 3 Host interface on page 19 3 6 Connecting a cable to...

Страница 14: ...Operating concepts on page 20 Establish the connection using Host interface See Chapter 3 7 1 1 Simple USB connection on page 14 See Chapter 3 7 1 2 R S NRP Z5 sensor hub setup on page 15 3 7 1 1 Simp...

Страница 15: ...cting the power sensor can damage the power sensor or lead to erroneous results Ensure that you connect or discon nect the power sensor as described in Chapter 3 4 Connecting to a DUT on page 12 Conne...

Страница 16: ...S NRPxxP power sensor 9 R S NRP ZK6 cable Set up as shown in Figure 3 2 1 Connect the R S NRP ZK6 cable to the power sensor See To connect a cable to the host interface of the power sensor on page 13...

Страница 17: ...the trigger device optional 8 On the computer start a software application to view the measurement results See Chapter 5 Operating concepts on page 20 3 7 2 Base unit As a controlling host you can use...

Страница 18: ...ce on page 19 4 Trigger I O connector see Chapter 4 4 Trigger I O connector on page 19 4 1 RF connector The RF connector is used for connecting the power sensor to a device under test DUT or a signal...

Страница 19: ...uery the error type with SYSTem SERRor Note If this state occurs after a firmware update the update was not successful Perform the firmware update again See also Chapter 11 3 Problems during a firmwar...

Страница 20: ...g system 5 1 1 Versions and downloads The R S NRP Toolkit is available for Microsoft Windows operating systems as listed in Chapter 5 1 2 System require ments on page 20 Linux distributions macOS Seve...

Страница 21: ...based computer In the NRP Toolkit Setup dialog the correct R S NRP Toolkit version for your operating system 32 bit or 64 bit is already selected 2 Enable the components you want to install NRP Toolk...

Страница 22: ...rt menu The guide explains the network setup Firmware Update You can use the Firmware Update for NRP Family program to load new firmware for the power sensors See Chapter 6 Firmware update on page 28...

Страница 23: ...power sensor R S NRP ZKU cable or an R S NRP Z5 sensor hub and an R S NRP ZK6 cable to connect the power sensor to the computer Windows computer with installed R S NRP Toolkit version 4 20 or higher...

Страница 24: ...s before zeroing An active measurement signal during zeroing causes an error 3 Switch on the test signal of the signal source 4 Start a measurement 5 4 R S Power Viewer The R S Power Viewer is softwar...

Страница 25: ...nect the power sensor as described in Chapter 3 4 Connecting to a DUT on page 12 Connect the power sensor to the signal source 2 Connect the cables as shown in Figure 5 2 For a detailed description re...

Страница 26: ...4 R S NRP ZK8 cable 5 Sensor input connector of the R S NRX 6 R S NRX base unit 1 NOTICE Incorrectly connecting or disconnecting the power sensor can damage the power sensor or lead to erroneous resul...

Страница 27: ...of the R S NRX c Tap Zero All Sensors 3 Configure the measurement a In the Measurement Settings dialog select the Measurement Type for example Continuous Average b Tap Quick Setup Auto Set 4 Switch o...

Страница 28: ...2 Updating the firmware Do not interrupt the firmware update because an interruption can lead to missing or faulty firmware Take special care not to disconnect the power supply while the update is in...

Страница 29: ...nning for R S power sensors connected via USB When the scan is completed all recognized power sensors are listed under Device 4 If the power sensor you want to update is not listed perform one of the...

Страница 30: ...find the power sensor in the list of power sensors provided by Firmware Update for NRP Family The driver assigned to the power sensor is the legacy driver Install a recent VISA software The power sens...

Страница 31: ...FWUPdate on page 112 The size of the file is 10242884 This number has 8 digits Thus the block_data consist of the following 8 How many digits follow to specify the file size 10242884 Number that spec...

Страница 32: ...he firmware is loaded Because the USB power sen sors are plug and play devices the drivers are loaded after enumeration in the host system For the R S NRP Zxx power sensors the whole process takes 4 s...

Страница 33: ...ameters Parameters required only to refine a query are indicated as Query parameters Parameters that are only returned as the result of a query are indicated as Return values Conformity Commands that...

Страница 34: ...systems permit certain keywords to be inserted into the header or omitted These keywords are marked by square brackets in the description The power sensor must recognize the long command to comply wit...

Страница 35: ...s ON starts the measurements Command INITiate CONTinuous OFF stops the measurements Parameters in braces can be included in the command once several times or not at all 8 3 Common commands The common...

Страница 36: ...ry only IDN Identification Returns a string containing information on the identity of the power sensor device identification code In addition the version number of the installed firmware is indica ted...

Страница 37: ...Query only PRE register Parallel poll register enable Sets the parallel poll enable register to the specified value or queries the current value Parameters register Range 0 to 255 RST 0 RCL number Re...

Страница 38: ...s byte Returns the contents of the status byte in decimal form Usage Query only TRG Trigger Triggers a measurement if the following conditions are met Power sensor is in the waiting for trigger state...

Страница 39: ...nsor FUNCtion function Sets the measurement mode Parameters function POWer AVG Continuous average mode See Chapter 8 6 1 Continuous average measurement on page 55 POWer BURSt AVG Burst average mode Se...

Страница 40: ...ted Depending on the measurement mode the following settings are possible SENS FUNC Possible CALC FEED Meaning POWer AVG POWer AVERage Average value POWer PEAK Peak value POWer RANDom Randomly selecte...

Страница 41: ...art the measurement immediately after the initiate command or do you want to wait for a trigger event Do you want to start a single measurement cycle or a sequence of measurement cycles Do you want to...

Страница 42: ...les or disables the continuous measurement mode In continuous measurement mode the power sensor does not go into the idle state after a measurement has been completed but immediately executes another...

Страница 43: ...ig ger state Depending on the required number of measurement cycles you use one of the following commands INITiate CONTinuous A new measurement cycle is started automatically after the previous one ha...

Страница 44: ...p t A B C A D E F D 1 1 1 2 3 Figure 8 1 Significance of the dropout time 1 Dropout time 2 Trigger hysteresis 3 Trigger level The RF power between the slots is below the threshold defined by the trigg...

Страница 45: ...tputs a measurement result when the entire measurement has been completed This means that the number of measurement cycle repetitions is equal to the set aver age count If the average count is large t...

Страница 46: ...l Further settings for this example SENSe Sensor AVERage TCONtrol REPeat The measurement is started by the trigger event Due to the chopper phases one measurement lasts twice the defined aperture time...

Страница 47: ...During the settling phase the amount of the result is already correct but the noise is higher After 4 measurements when the average count is reached settled data is available When the trigger count is...

Страница 48: ...Se Sensor TRACe AVERage COUNt 2 SENSe Sensor TRACe AVERage STATe ON Example Repeating termination control Further settings for this example SENSe Sensor TRACe AVERage TCONtrol REPeat Every chopper pha...

Страница 49: ...ent cycle 2 Trigger events 3 Noninverted chopper phase 4 Inverted chopper phase 5 Trigger synchronization 6 Averaged trace data result after trace average count is reached 7 Trace measurement result b...

Страница 50: ...er ATRigger STATe is set to ON Sets the delay between the artificial trigger event and the beginning of the actual mea surement Parameters delay Range 0 1 to 5 0 RST 0 3 Default unit Seconds TRIGger A...

Страница 51: ...with measurements that have been trig gered externally or by TRG without having to start the measurement multiple times Parameters count Range 1 to 2147483646 RST 1 Example See Chapter 9 2 Performing...

Страница 52: ...YSTeresis hysteresis Sets the hysteresis A trigger event occurs if the trigger level Falls below the set value on a rising slope Rises above the set value on a falling slope Thus you can use this sett...

Страница 53: ...nit Watts TRIGger LEVel UNIT unit Sets the unit of the trigger level if this value is entered without a unit See also TRIGger LEVel on page 53 Parameters unit DBM W DBUV RST W TRIGger SENDer PORT send...

Страница 54: ...e power sensor has two external trigger connec tors If you trigger the trigger sender externally use EXTernal1 as external trigger input port trigger source and EXTernal2 as trigger sender output port...

Страница 55: ...thers and has returned to the idle state 1 1 measurement time During the measurement the trigger synchronization is high For a continuous average measurement the measurement time is calculated as desc...

Страница 56: ...ions caused by modulation Parameters state ON OFF RST OFF Example SMO STAT OFF 8 6 1 3 Measuring modulated signals When measuring modulated signals in continuous average mode the measurement can show...

Страница 57: ...phase 8 6 1 5 Configuring the result buffer SENSe Sensor POWer AVG BUFFer CLEar 57 SENSe Sensor POWer AVG BUFFer COUNt 57 SENSe Sensor POWer AVG BUFFer SIZE 57 SENSe Sensor POWer AVG BUFFer STATe 58 S...

Страница 58: ...ST OFF Example BUFF STAT OFF 8 6 2 Burst average measurement The burst average mode is used to measure the average power of bursts The integra tion time of a measurement is not predefined but determin...

Страница 59: ...luded from the measurement see Chapter 8 7 3 Excluding intervals on page 78 8 6 2 3 Triggering a burst average measurement In burst average mode only internal trigger events from the signal are evalua...

Страница 60: ...arameter to ensure that the beginning of the first slot to be mea sured coincides with the delayed trigger point 8 6 3 2 Defining a time interval for the measurement At the beginning and at the end of...

Страница 61: ...rom the measure ment See Figure 8 3 The parameter applies to each individual timeslot Note Even if the exclusion interval exceeds the timeslot because for example its right limit is outside the timesl...

Страница 62: ...or BWIDth VIDeo 62 SENSe Sensor BWIDth VIDeo LIST 63 SENSe Sensor BWIDth VIDeo value Available in trace and statistics modes Reduces the video bandwidth thus increasing the trigger sensitivity and red...

Страница 63: ...or TRACe POINts 65 SENSe Sensor TRACe POINts FPGA 65 SENSe Sensor TRACe TIME 65 SENSe Sensor TRACe TIME FPGA 66 SENSe Sensor TRACe AVERage COUNt count Available in trace and statistics modes Sets the...

Страница 64: ...itions is equal to the set average count If the average count is large the measurement time can be very long The average count is set using SENSe Sensor TRACe AVERage COUNt RST REPeat Example TRAC AVE...

Страница 65: ...The start of recording relative to the trigger event is set using TRIGger DELay Parameters time Range Depends on the trigger delay RST 0 0 Default unit Seconds Example TRAC OFFS TIME 1 0 SENSe Sensor...

Страница 66: ...h trace separately Amplitude Time s 0 100 Pulse top Pulse base 0 Pulse stop Pulse start Pulse width Rising edge Falling edge Pulse period Figure 8 4 Pulse characteristics For information on querying t...

Страница 67: ...ST 0 0 Default unit s 8 6 5 3 Defining reference levels for pulse analysis measurements Define the reference levels for the pulse timing All values are specified in percent of the pulse amplitude Remo...

Страница 68: ...base power Suitable for distance measuring equipment DME pulses RST HISTogram SENSe Sensor TRACe MEASurement DEFine DURation REFerence reference Sets the pulse width pulse start time and pulse stop ti...

Страница 69: ...asurement speed decreases because several successive measurements are nec essary Parameters value ON OFF RST ON SENSe Sensor TRACe MEASurement TRANsition ESAMpling AUTO val Available in pulse analysis...

Страница 70: ...ples is collected Two functions for analyzing the statistical distribution of the envelope power are availa ble Complementary cumulative distribution function CCDF Probability that the envelope power...

Страница 71: ...following commands SENSe Sensor STATistics EXCLude MID OFFSet TIME 71 SENSe Sensor STATistics EXCLude MID TIME 71 SENSe Sensor STATistics OFFSet TIME 72 SENSe Sensor STATistics TIME 72 SENSe Sensor ST...

Страница 72: ...nit s SENSe Sensor STATistics TIME time Sets the duration of the statistics measurement Parameters time Range 50 0e 9 to 53 RST 0 01 Default unit s 8 6 6 2 Configuring the video bandwidth See Chapter...

Страница 73: ...eters points Range Depends on the number of pixels RST 200 0 SENSe Sensor STATistics SCALe X RANGe range Sets the level range width of the measurement result The level range width divided by N 1 where...

Страница 74: ...SENSe Sensor AVERage STATe 77 SENSe Sensor AVERage COUNt count Sets the number of readings that are averaged for one measured value The higher the count the lower the noise and the longer it takes to...

Страница 75: ...st average and timeslot provided the particular power sensor supports them This command is only effective if the auto average calculation is enabled SENSe Sensor AVERage COUNt AUTO ON SENSe Sensor AVE...

Страница 76: ...pletely remains unchanged Use this command if High averaging factor is set SENSe Sensor AVERage COUNt Intermediate values are output as measurement results SENSe Sensor AVERage TCONtrol MOVing Power h...

Страница 77: ...e average count is large the measurement time can be very long The average count is set using SENSe Sensor AVERage COUNt on page 74 RST REPeat Example AVER TCON REP SENSe Sensor AVERage STATe state Av...

Страница 78: ...ng interval at the beginning 3 Excluding interval at the end 4 Integration interval Remote commands SENSe Sensor TIMing EXCLude STARt 78 SENSe Sensor TIMing EXCLude STOP 78 SENSe Sensor TIMing EXCLude...

Страница 79: ...al is active when pulse modulated signals are corrected The duty cycle is only evaluated in the continu ous average mode Remote commands SENSe Sensor CORRection DCYCle 79 SENSe Sensor CORRection DCYCl...

Страница 80: ...rs offset Range 200 00 to 200 00 RST 0 Default unit dB SENSe Sensor CORRection OFFSet STATe state Enables or disables the offset correction Parameters state RST OFF Example CORR OFFS STAT ON 8 7 4 3 S...

Страница 81: ...orrection on page 80 Parameters num Range 1 to 1999 RST 1 can differ if a calibration set defines another value SENSe Sensor CORRection SPDevice STATe state Enables or disables the S parameter correct...

Страница 82: ...ex reflection coefficient sensor of the power sensor and the reflection of port 2 is expressed by s22 see Figure 8 9 If the S parameter cor rection is enabled this interaction is always considered reg...

Страница 83: ...fficient of the source source Parameters phase Range 360 0 to 360 0 RST 0 0 8 7 4 5 Using the S Parameters program The S Parameters program helps loading an S parameter table into the power sensor The...

Страница 84: ...Global Flags 86 S Parameter Correction ON by Default 86 S Parameter Correction State Locked 86 S Parameter Device Locked 86 Use Flags in Factory Cal Data Set 87 Device table 87 Menu bar Contains the...

Страница 85: ...ol timeouts and dis playing calibration data as plain text User Data Options Menu bar Opens the User Data dialog Here you can enter the name of the calibration laboratory and the calibration engineer...

Страница 86: ...bal Flags If enabled the state that is selected with S Parameter Correction ON by Default is locked and cannot be changed using SENSe Sensor CORRection SPDevice STATe R S NRP2 base unit S Parameter De...

Страница 87: ...ory calibration data set prevent it Device table Shows a list of all S parameter devices that are available in the calibration data set If you double click an entry a dialog for the device is opened t...

Страница 88: ...connect ing the power sensor you can reload the list by clicking Rebuild List 4 Click Upload to load calibration data from the power sensor After the upload is finished the OK button is enabled 5 Clic...

Страница 89: ...re you can select the location to save the calibration data To change the S parameter data 1 In the device table double click an entry See also Device table on page 87 2 Select File Import S2P 3 Selec...

Страница 90: ...power sensor itself and the minimum attenuation of the S parameter device If the Upper Power Limit W entry is higher than the power dissipation rating of the attenuator reduce it accordingly 8 Click O...

Страница 91: ...data to the power sensor a confirmation message is displayed The power sensor can be used with the new S parameter data S2P measurement data files S2P files are human readable text files that contain...

Страница 92: ...ent frequencies The measurement frequencies are listed in ascending order and are specified as follows fi s11 fi s21 fi s12 fi s22 fi where fi is the i th frequency and sjk fi is the display format as...

Страница 93: ...d as follows fi unc s11 fi unc s21 fi unc s12 fi unc s22 fi where fi is the i th frequency and unc sjk fi is the uncertainty of the S parameters that is forwarded as follows As extended absolute uncer...

Страница 94: ...most significant byte Fulfills the Little Endian little end comes first convention used by x86 x64 CPUs for example SWAPped The 1st byte is the most significant byte the 4th 8th byte the least signif...

Страница 95: ...ST ASCii 0 8 9 Querying measurement results After the measurement you can query the measurement results 8 9 1 Continuous average measurement results FETCh Sensor ARRay POWer AVG 95 FETCh Sensor SCALar...

Страница 96: ...efore the measurement is initi ated Usage Query only 8 9 3 Timeslot measurement results SENSe Sensor TRACe DATA on page 96 FETCh Sensor SCALar POWer TSLot Queries the last valid measurement result To...

Страница 97: ...e interpreted as the size of the content LLLLL Number consisting of as many digits as specified by n This number gives the size of the content User data content See also Figure 8 13 As many bytes as s...

Страница 98: ...5 User data Measurement result values in the format that is described by the data type Currently IEEE754 float only If no SENSe Sensor AUXiliary measurands have been activated before execut ing the me...

Страница 99: ...values are used in the FFT 28 Number of values returned The number of computed values is half the number of used values Distance of the spectral lines in Hz Equals the reciprocal of the trace length w...

Страница 100: ...LSe SEParation 102 SENSe Sensor TRACe MEASurement TRANsition NEGative DURation 102 SENSe Sensor TRACe MEASurement TRANsition NEGative OCCurrence 102 SENSe Sensor TRACe MEASurement TRANsition POSitive...

Страница 101: ...ween the first positive edge and the subsequent negative edge of the pulse where the edges occur at crossings of the mid threshold If the pulse period and thus the duty cycle cannot be determined NaN...

Страница 102: ...sition from the pulse top level to the pulse base level The value is read from the first falling edge in the analysis interval If the pulse period and thus the duty cycle cannot be determined NaN for...

Страница 103: ...5 2 Power related pulse analysis results Remote commands SENSe Sensor TRACe MEASurement POWer AVG 103 SENSe Sensor TRACe MEASurement POWer HREFerence 104 SENSe Sensor TRACe MEASurement POWer LREFerenc...

Страница 104: ...Usage Query only SENSe Sensor TRACe MEASurement POWer MAX Queries the maximum power measured within the analysis window Unit Watts Usage Query only SENSe Sensor TRACe MEASurement POWer MIN Queries th...

Страница 105: ...m This value is used as a refer ence 0 to determine other parameter values such as the rising or falling thresholds Usage Query only SENSe Sensor TRACe MEASurement POWer REFerence Queries the power le...

Страница 106: ...Sensor STATistics POWer AVG Queries the average power of the measured signal Usage Query only SENSe Sensor STATistics POWer PEAK Queries the peak power value of the current statistics measurement You...

Страница 107: ...ing is recommended if The temperature has varied by more than 5 K The power sensor has been replaced No zeroing was performed in the last 24 hours Signals of very low power are to be measured for inst...

Страница 108: ...ata set to the power sensor the current S parameter correction settings become invalid Safe operation of the power sensor is only possible if the SELect and STATe commands are repeated after download...

Страница 109: ...el 1 to 4 Measurement channel if more than one channel is available Parameters state ONCE Only valid parameter for this command 0 Return value if no calibration is in progress RST ONCE Example CLS CAL...

Страница 110: ...112 SYSTem FWUPdate 112 SYSTem FWUPdate STATus 112 SYSTem HELP HEADers 113 SYSTem INFO 113 SYSTem INITialize 113 SYSTem LANGuage 113 SYSTem LED COLor 114 SYSTem LED MODE 114 SYSTem MINPower 114 SYSTem...

Страница 111: ...tion error queue and removes them from the queue Returns a comma separated list of error numbers but no error description Example SYST ERR CODE ALL Query 0 Response No errors have occurred since the e...

Страница 112: ...e on page 28 If you want to integrate a firmware update function in an application see the example given in Chapter 6 2 2 Using remote control on page 30 Setting parameters fwudata block_data Definite...

Страница 113: ...Type Stock Number Internal Stock Num ber Serial SW Build FPGA Build Sensor Name Tech nology Function MinPower MaxPower MinFreq Max Freq Resolution Impedance Coupling Cal Abs Cal Refl Cal S Para Cal Mi...

Страница 114: ...tus LED is user controlled SYST LED COL H01a00000 The LED flashes slowly in red SYSTem LED MODE SENSor The system status LED is controlled by the power sensor firm ware SYSTem LED MODE mode Sets wheth...

Страница 115: ...emonics short form For example CALibration DATA is shortened to CALDATA as command token Usage Query only SYSTem PARameters DELTa Returns an XML output containing all commands that differ from the def...

Страница 116: ...s the next static error if available Static errors as a rule prevent the execution of normal measurements Errors in SCPI communication are queried using SYSTem ERRor NEXT Usage Query only SYSTem SUTim...

Страница 117: ...specify a name the hostname is used as default Parameters sensorname Example SYST NAME InputModule X5 SYSTem VERSion Queries the SCPI version that the command set of the power sensor complies with Exa...

Страница 118: ...2 Reading the CONDition part STATus DEVice CONDition STATus OPERation CALibrating CONDition STATus OPERation CONDition STATus OPERation MEASuring CONDition STATus OPERation SENSe CONDition STATus OPER...

Страница 119: ...OPERation NTRansition value STATus OPERation MEASuring NTRansition value STATus OPERation SENSe NTRansition value STATus OPERation TRIGger NTRansition value STATus QUEStionable CALibration NTRansitio...

Страница 120: ...he RST sets the continuous average mode INITiate initiates the measurement After RST the trigger system is set to TRIGger SOURce IMMediate That means the power sensor starts measuring when the measure...

Страница 121: ...write SENS BUFF STAT ON SENSOR write TRIG COUN 17 Read out all errors Clear error queue SENSOR query SYST ERR ALL szBuf sizeof szBuf printf szBuf Start a single buffered measurement Since 17 trigger c...

Страница 122: ...szBuf sizeof szBuf printf szBuf 9 3 Performing trace measurements RST Set the sensor s operation mode to trace SENSe FUNCtion XTIMe POWer Set the carrier frequency SENSe FREQuency 1 8e9 Set the number...

Страница 123: ...ituations where an application blocks for a longer time until time out For example if a trigger is missing and thus no results are ever becoming availa ble For certain applications especially interact...

Страница 124: ...e STAT OPER MEAS PTR 0 resetting the event information by an initial readout int iEvent 0 query STAT OPER MEAS EVEN iEvent Now starting the measurement write INIT IMM bool bMeasReady false poll until...

Страница 125: ...protocol interfaces 10 1 1 USB interface For remote control using USB connection the computer and the power sensors must be connected via the USB interface A USB connection requires the VISA library t...

Страница 126: ...duct ID R S NRP18P 0x0143 R S NRP40P 0x017C R S NRP50P 0x017E Example USB 0x0AAD 0x0143 100001 0x0AAD is the vendor ID for Rohde Schwarz 0x0143 is the product ID for the R S NRP18P power sensor 100001...

Страница 127: ...egister ESR Associated standard event status enable register ESE SCPI defined operation status register Questionable status register which contains detailed information on the device Table 10 3 Used s...

Страница 128: ...s a serious error which can be specified in greater detail by querying the standard event status register Chapter 10 2 4 Standard event status and enable register ESR ESE on page 132 6 RQS MSS Master...

Страница 129: ...ster STATus DEVice CONDition STATus DEVice EVENt Querying the static errors SYSTem SERRor Table 10 4 Used device status bits and their meaning Bit no Short description Bit is set if 0 Sum of bits 1 to...

Страница 130: ...nds If a setting command is sent via a different chan nel the power sensor indicates an error 200 Execution error sensor in LEGACY mode To leave the NRP legacy mode close the NRP legacy chan nel Eithe...

Страница 131: ...power status register Contains information whether the measured power values are questionable 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 Sensor measurement corrupt 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Figure 10 4...

Страница 132: ...EVENt Table 10 7 Used questionable calibration status bits and their meaning Bit no Short description Bit is set if 1 Sensor calibration failed Zeroing of the power sensor was not successful 10 2 4 St...

Страница 133: ...t error occurs An error message with a number between 300 and 399 or a positive error number denoting the error in greater detail is entered in the error queue 4 Execution error The syntax of a receiv...

Страница 134: ...ription Bit is set if 0 Calibrating Summary of Operation calibrating status register exists 4 Measuring Summary of Operation measuring status register exists 5 Triggering Summary of Operation trigger...

Страница 135: ...STATus OPERation CALibrating SUMMary EVENt Table 10 10 Used operation calibrating status bits and their meaning Bit no Short description Bit is set if 1 Sensor calibrating Power sensor is being calibr...

Страница 136: ...ation MEASuring SUMMary EVENt Table 10 11 Used operation measuring status bits and their meaning Bit no Short description Bit is set if 1 Sensor measuring Power sensor is measuring 10 2 5 3 Operation...

Страница 137: ...cription Bit is set if 1 Sensor waiting for trigger Power sensor is waiting for a trigger event When the trigger event occurs the power sensor changes into the measuring state 10 2 5 4 Operation sense...

Страница 138: ...0 0 0 0 0 0 0 0 Figure 10 11 Operation sense status register Querying the register STATus OPERation SENSe CONDition STATus OPERation SENSe SUMMary EVENt Table 10 13 Used operation sense status bits a...

Страница 139: ...for troubleshooting Do not apply a signal to the power sensor while the selftest is running If the selftest is carried out with a signal being present error messages can erroneously be output for the...

Страница 140: ...ocu mentation overview on page 9 or the CD ROM delivered with the power sensor 2 Perform the firmware update again 11 4 Contacting customer support Technical support where and when you need it For qui...

Страница 141: ...you do not have the original packaging use similar materials that provide the same level of protection Securing When moving the product in a vehicle or using transporting equipment make sure that the...

Страница 142: ...damage bent inner conductors broken contact springs and so on If the RF connectors are damaged stop using the power sensor Contact Rohde Schwarz customer service see Chapter 11 4 Contacting customer s...

Страница 143: ...anol Further information To disconnect from the DUT on page 13 13 3 Storage Put plastic end caps on the RF connectors to protect them from damage Protect the power sensor against dust Ensure that the...

Страница 144: ...developed a disposal concept for the eco friendly disposal or recycling of waste material As a manufacturer Rohde Schwarz completely fulfills its obligation to take back and dispose of electrical and...

Страница 145: ...TSLot 96 FETCh Sensor SCALar POWer AVG 95 FORMat BORDer 94 FORMat SREGister 94 FORMat DATA 94 INITiate ALL 42 INITiate CONTinuous 42 INITiate IMMediate 42 SENSe Sensor POWer AVG APERture 56 SENSe Sen...

Страница 146: ...ensor FUNCtion 39 SENSe Sensor SGAMma CORRection STATe 82 SENSe Sensor SGAMma MAGNitude 82 SENSe Sensor SGAMma PHASe 83 SENSe Sensor STATistics OFFSet TIME 72 SENSe Sensor STATistics POWer AVG 106 SEN...

Страница 147: ...ition NEGative DURation 102 SENSe Sensor TRACe MEASurement TRANsition NEGative OCCurrence 102 SENSe Sensor TRACe MEASurement TRANsition NEGative OVERshoot 105 SENSe Sensor TRACe MEASurement TRANsition...

Страница 148: ...119 STATus QUEStionable CALibration SUMMary EVENt 118 STATus QUEStionable CONDition 118 STATus QUEStionable ENABle 119 STATus QUEStionable NTRansition 119 STATus QUEStionable POWer CONDition 118 STAT...

Страница 149: ...E 117 TEST SENSor 109 TRIGger ATRigger DELay 50 TRIGger ATRigger EXECuted 50 TRIGger ATRigger STATe 50 TRIGger COUNt 51 TRIGger DELay 51 TRIGger DTIMe 51 TRIGger EXTernal 2 2 IMPedance 52 TRIGger HOLD...

Страница 150: ...register 128 Diagnostics Selftest 139 Disconnecting Host interface 14 RF 13 Documentation overview 9 Download R S NRP Toolkit 20 Dropout time Trigger 44 DUT Connecting 12 Disconnecting 12 Duty cycle 7...

Страница 151: ...elease notes 10 Remote control Basic measurement settings 74 Basics 125 Burst average measurement 58 Common commands 35 Continuous average measurement 55 Conventions 33 Ending measurement 41 Interface...

Страница 152: ...tion control 45 Test setup 12 Timeslot measurement 59 Trace measurement 61 122 Synchronized 123 Transporting 141 Trigger 42 Configuring 50 Dropout time 44 Event 43 Hold off time 45 Sources 43 States 4...

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