Rohde & Schwarz NRP75TWG User Manual
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Rohde & Schwarz NRP75TWG User Manual

Thermal waveguide power sensors
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Thermal Waveguide Power Sensors
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  • Page 1 ® R&S NRPxxTWG Thermal Waveguide Power Sensors User Manual (;ÜáÕ2) 1178837102...
  • Page 2 Rohde & Schwarz GmbH & Co. KG. Trade names are trademarks of the owners. ® 1178.8371.02 | Version 04 | R&S NRPxxTWG ® ® Throughout this manual, products from Rohde & Schwarz are indicated without the symbol, for example R&S NRP75TWG is abbreviated as R&S NRP75TWG.

  • Page 3: Table Of Contents

    ® Contents R&S NRPxxTWG Contents 1 Preface....................7 For Your Safety......................7 Documentation Overview..................... 7 1.2.1 Getting Started Manual....................7 1.2.2 User Manuals........................7 1.2.3 Tutorials...........................8 1.2.4 Instrument Security Procedures..................8 1.2.5 Basic Safety Instructions....................8 1.2.6 Data Sheets and Brochures.................... 8 1.2.7 Release Notes and Open Source Acknowledgment (OSA)..........
  • Page 4 ® Contents R&S NRPxxTWG 5.1.1 Versions and Downloads....................19 5.1.2 System Requirements....................19 5.1.3 R&S NRP Toolkit for Windows..................20 5.1.3.1 Components of the R&S NRP Toolkit................21 Remote Control......................22 R&S NRPV........................22 R&S Power Viewer...................... 24 R&S Power Viewer Mobile..................26 R&S NRX........................26 R&S NRP2........................
  • Page 5 ® Contents R&S NRPxxTWG 7.5.5 Configuring the Trigger....................48 Configuring and Retrieving Results................54 7.6.1 Setting the Power Unit....................54 7.6.2 Setting the Result Format..................... 55 7.6.3 Retrieving Results......................56 Configuring the Measurement Modes...............56 7.7.1 Continuous Average Measurement................57 Configuring Basic Measurement Parameters............60 7.8.1 Configuring Auto Averaging..................
  • Page 6 ® Contents R&S NRPxxTWG 9.2.1 Syntax for Common Commands................. 101 9.2.2 Syntax for Device-Specific Commands...............102 9.2.3 SCPI Parameters......................103 9.2.4 Overview of Syntax Elements..................106 9.2.5 Structure of a Command Line..................106 9.2.6 Responses to Queries....................107 Status Reporting System..................107 9.3.1 Hierarchy of the Status Registers................

  • Page 7: Preface

    ® Preface R&S NRPxxTWG Documentation Overview 1 Preface This chapter provides safety related information, an overview of the user documenta- tion and the conventions used in the documentation. 1.1 For Your Safety The R&S NRPxxTWG is designated for use in industrial, administrative, and laboratory environments.

  • Page 8: Tutorials

    ® Preface R&S NRPxxTWG Documentation Overview with programming examples, and information on maintenance and interfaces. Includes the contents of the getting started manual. 1.2.3 Tutorials Tutorials offer guided examples and demonstrations on operating the R&S NRPxxTWG. They are provided on the product page of the internet. 1.2.4 Instrument Security Procedures Deals with security issues when working with the R&S NRPxxTWG in secure areas.

  • Page 9: Typographical Conventions

    ® Preface R&S NRPxxTWG Typographical Conventions 1.3 Typographical Conventions The following text markers are used throughout this documentation: Convention Description "Graphical user interface ele- All names of graphical user interface elements on the screen, such as ments" dialog boxes, menus, options, buttons, and softkeys are enclosed by quotation marks.

  • Page 10: Key Features

    ® Key Features R&S NRPxxTWG 2 Key Features The thermal waveguide power sensors are members of the R&S NRP series power sensors from Rohde & Schwarz. They provide a high-speed USB interface that constitutes both the communication port and the power supply connection. The R&S NRP series power sensors are compatible with the R&S NRP‑Z power sen- sors in both the interface (USB) and a common command subset.

  • Page 11: Preparing For Use

    ® Preparing for Use R&S NRPxxTWG Important Aspects for Test Setup 3 Preparing for Use For information on safety, see: ● Chapter 1.1, "For Your Safety", on page 7 ● Chapter 3.2, "Operating Conditions", on page 11 3.1 Unpacking and Checking the Power Sensor Check the equipment for completeness using the delivery note and the accessory lists for the various items.

  • Page 12: Connecting To A Dut

    ® Preparing for Use R&S NRPxxTWG Connecting to a DUT ● Use a wrist strap and cord, and connect yourself to the ground. ● Use a conductive floor mat and heel strap combination. EMI impact on measurement results Electromagnetic interference (EMI) may affect the measurement results. To suppress generated electromagnetic interference (EMI): ●...

  • Page 13: Connecting To A Computer

    ® Preparing for Use R&S NRPxxTWG Connecting to a Computer To disconnect from the DUT ► NOTICE! Risk of damaging the center pin of the RF connector. Always rotate only the hex nut of the RF connector. Never rotate the power sensor itself. Carefully loosen the union nut at the front of the RF connector of the sensor and remove the sensor.

  • Page 14: R&S Nrp-Z5 Sensor Hub Setup

    ® Preparing for Use R&S NRPxxTWG Connecting to a Computer Setup ‑ ZKU cable Figure 3-1: Setup with an R&S NRP 1 = Signal source 2 = R&S NRPxxTWG power sensor 3 = Host interface connector 4 = R&S NRP‑ZKU cable 5 = USB connector 6 = Computer with installed VISA driver or R&S NRP Toolkit Incorrectly connecting/disconnecting the R&S NRPxxTWG power sensors can damage...
  • Page 15 ® Preparing for Use R&S NRPxxTWG Connecting to a Computer Setup Figure 3-2: Setup with an R&S NRP-Z5 sensor hub = R&S NRP‑Z5 sensor hub = External power supply unit (supplied) = Power cable (supplied) = AC power supply = USB cable (supplied) = Computer with USB host interface 7, 8 = BNC cable (optional, not supplied)

  • Page 16: Connecting To A Usb Host

    ® Preparing for Use R&S NRPxxTWG Connecting to a USB Host b) Connect the power sensors to the R&S NRP‑Z5 sensor hub. You can connect up to four sensors. c) Connect the R&S NRP‑Z5 to the computer. d) Connect the power sensors to the signal source. e) Connect the delivered external power supply unit to the R&S NRP‑Z5 and to an AC supply connector.

  • Page 17: Power Sensor Tour

    Table 4-1: R&S NRPxxTWG RF connector characteristics Power sensor Matching female Male connector Frequency range Tightening tor- connector R&S NRP75TWG WR-15 WR-15 50 GHz to 75 GHz R&S NRP90TWG WR-12 WR-12 60 GHz to 90 GHz 0.58 Nm (5'' lbs)

  • Page 18: Host Interface

    ® Power Sensor Tour R&S NRPxxTWG Status LED It is used as an input for signals if the trigger source parameter is set to EXTernal2. It is used as an output for trigger signals if the sensor is operated in the trigger master mode.

  • Page 19: Operating Concepts

    ® Operating Concepts R&S NRPxxTWG R&S NRP Toolkit 5 Operating Concepts For operating the power sensor, you can choose from various possibilities: ● Chapter 5.2, "Remote Control", on page 22 ● Chapter 5.3, "R&S NRPV", on page 22 ● Chapter 5.4, "R&S Power Viewer", on page 24 ●...

  • Page 20: R&S Nrp Toolkit For Windows

    ® Operating Concepts R&S NRPxxTWG R&S NRP Toolkit – Microsoft Windows 8/ 8.1 32/64-bit – Microsoft Windows 10 32/64-bit ● For information on other operating systems, see Chapter 5.1.1, "Versions and Downloads", on page 19. 5.1.3 R&S NRP Toolkit for Windows The R&S NRP Toolkit installer for Windows-based systems contains the components described in the release notes available at www.rohde-schwarz.com/software/nrp-tool-...

  • Page 21: Components Of The R&S Nrp Toolkit

    ® Operating Concepts R&S NRPxxTWG R&S NRP Toolkit 3. Accept the license terms to continue with the installation. 4. Click "Next" and complete the installation process. 5.1.3.1 Components of the R&S NRP Toolkit Access: "Start" > "NRP-Toolkit" The following tools are part of the R&S NRP Toolkit for Windows. Configure Network Sensor Useful if you have troubles establishing a LAN connection with an R&S NRP LAN power sensor.

  • Page 22: Remote Control

    ® Operating Concepts R&S NRPxxTWG R&S NRPV 5.2 Remote Control You can remote control the R&S NRPxxTWG easily. The change to remote control occurs "on the fly" and has no influence on the manual operation. Further information: ● Chapter 7, "Remote Control Commands", on page 35 ●...
  • Page 23 ® Operating Concepts R&S NRPxxTWG R&S NRPV Incorrectly connecting/disconnecting the R&S NRPxxTWG power sensors can damage the power sensors or lead to erroneous results. Ensure that you connect/disconnect your power sensor as described in Chapter 3, "Preparing for Use", on page 11. Starting a measurement 1.

  • Page 24: R&S Power Viewer

    ® Operating Concepts R&S NRPxxTWG R&S Power Viewer For a detailed description on how to measure in this setup, refer to the operating man- ual of the R&S NRPV. 5.4 R&S Power Viewer The R&S Power Viewer is software that simplifies many measurement tasks. It is provi- ded on your documentation CD-ROM and on the Rohde &...
  • Page 25 ® Operating Concepts R&S NRPxxTWG R&S Power Viewer Setup Figure 5-2: Setup with the R&S Power Viewer 1 = Signal source 2 = R&S NRPxxTWG power sensor 3 = Host interface connector 4 = R&S NRP‑ZKU cable 5 = USB connector 6 = Computer with installed R&S Power Viewer Incorrectly connecting/disconnecting the R&S NRPxxTWG power sensors can damage the power sensors or lead to erroneous results.

  • Page 26: R&S Power Viewer Mobile

    ® Operating Concepts R&S NRPxxTWG R&S NRX 6. To start the measurement press "Measurement > Start". The measurement result is shown in the "Continuous" measurement window. For a detailed description of how to measure in this setup, refer to the operating man- ual of your R&S Power Viewer.
  • Page 27 ® Operating Concepts R&S NRPxxTWG R&S NRX Required equipment ● R&S NRPxxTWG power sensor ● R&S NRP‑ZK8 to connect the sensor to the R&S NRX ● R&S NRX Setup Figure 5-3: Setup with an R&S NRX base unit 1 = Signal source 2 = R&S NRPxxTWG power sensor 3 = Host interface connector 4 = R&S NRP‑ZK8...

  • Page 28: R&S Nrp2

    ® Operating Concepts R&S NRPxxTWG R&S NRP2 The measurement starts, and the result is displayed in dBm. 5. If necessary, perform further settings. For a detailed description of how to measure in this setup, refer to the user manual of the R&S NRX.
  • Page 29 ® Operating Concepts R&S NRPxxTWG R&S NRP2 b) Connect the R&S NRP‑ZK6 cable to a sensor input connector of the R&S NRP2. c) Connect the [RF] connector of the power sensor to the signal source. 2. Preset the R&S NRP2. a) Press the [(PRE)SET] hardkey.
  • Page 30 ® Operating Concepts R&S NRPxxTWG R&S NRP2 For a detailed description of how to measure in this setup, refer to the operating man- ual of your R&S NRP2. User Manual 1178.8371.02 ─ 04...

  • Page 31: Firmware Update

    ® Firmware Update R&S NRPxxTWG Updating the Firmware 6 Firmware Update ● Hardware and Software Requirements..............31 ● Updating the Firmware....................31 6.1 Hardware and Software Requirements For performing a firmware update, the system requirements are as follows: ● Connectors and cables for establishing a connection to the computer Chapter 3.5, "Connecting to a Computer", on page 13.
  • Page 32 ® Firmware Update R&S NRPxxTWG Updating the Firmware Checking the prerequisites 1. Ensure that a recent VISA software is installed on the computer. You can perform a firmware update with Firmware Update for NRP Family only if the power sensor is recognized as a VISA device.

  • Page 33: Using Remote Control

    ® Firmware Update R&S NRPxxTWG Updating the Firmware 7. Click "Update". During the update process, a progress bar is displayed. The update sequence can take a couple of minutes, depending on the sensor model and the size of the selected file. 8.
  • Page 34 ® Firmware Update R&S NRPxxTWG Updating the Firmware Example: You want to update your NRP110TWG with the nrp75twg_FW_15.02.12.01.rsu file. This file has a size of 10242884 bytes. To send the file to the sensor for updating the firmware, your application has to assem- ble a memory block containing: SYST:FWUP <block_data>...

  • Page 35: Remote Control Commands

    ® Remote Control Commands R&S NRPxxTWG Notations 7 Remote Control Commands In the following sections, all commands implemented in the sensor are listed according to the command system and then described in detail. For the most part, the notation used complies with SCPI specifications. 7.1 Conventions Used in SCPI Command Descriptions Note the following conventions used in the remote command descriptions: ●...
  • Page 36 ® Remote Control Commands R&S NRPxxTWG Notations Numeric suffixes <n> If a command can be applied to multiple instances of an object, e.g. specific sensors, the required instances can be specified by a suffix added to the command. Numeric suffixes are indicated by angular brackets (<1...4>, <n>, <I>) and are replaced by a single value in the command.

  • Page 37: Common Commands

    ® Remote Control Commands R&S NRPxxTWG Common Commands Special characters | and { } A vertical bar in parameter definitions indicates alternative possibilities in the sense of "or". The effect of the command differs, depending on which parameter is used. Example: Definition: INITiate:CONTinuous ON | OFF Command INITiate:CONTinuous ON starts the measurements...

  • Page 38: Ese

    ® Remote Control Commands R&S NRPxxTWG Common Commands *ESE <register> Event Status Enable Sets the event status enable register to the specified value. The query returns the con- tents of the event status enable register in decimal form. Parameters: <register> Range: 0 to 255 *RST:...

  • Page 39: Opt

    ® Remote Control Commands R&S NRPxxTWG Common Commands *OPC? is preferred to because with *OPC?, the execution of commands can be *WAI queried from a controller program before new commands are sent. This prevents over- flow of the input queue when too many commands are sent that cannot be executed. Unlike *WAI, *OPC? must be sent at the end of a program message.

  • Page 40: Sre

    ® Remote Control Commands R&S NRPxxTWG Common Commands Stores the current device state under the specified number. The storage numbers 0 to 9 are available. Setting parameters: <number> Range: 0 to 9 *RST: Usage: Setting only *SRE <register> Service Request Enable Sets the service request enable register to the specified value.

  • Page 41: Preparing For The Measurement

    ® Remote Control Commands R&S NRPxxTWG Preparing for the Measurement Usage: Query only *WAI WAIt to continue Prevents the execution of the subsequent commands until all preceding commands have been executed and all signals have settled. Usage: Event 7.4 Preparing for the Measurement Before starting a measurement, you need to do the following: ●...

  • Page 42: Controlling The Measurement

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement See also Chapter 7.7.1, "Continuous Average Measurement", on page 57. [SENSe<Sensor>:]FUNCtion <function> Sets the measurement mode. Parameters: <function> "POWer:AVG" Continuous Average After a trigger event, the power is integrated over a time interval (averaging) set using: [SENSe<Sensor>:][POWer:][AVG:]APERture.

  • Page 43: Triggering

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement INITiate:ALL INITiate[:IMMediate] Starts a single measurement cycle. The sensor changes from the idle state to the wait- ing for trigger state. As soon as the trigger condition is fulfilled, the sensor begins the measurement.

  • Page 44: Trigger States

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement 7.5.2.1 Trigger States The power sensor has trigger states to define the exact start and stop time of a mea- surement and the sequence of a measurement cycle. The following states are defined: ●...

  • Page 45: Dropout Time

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement Trigger source Description Remote commands to initiate the measurement "External 2" Uses the digital input signal supplied at the SMB TRIGger:IMMediate connector. "Bus" Triggered by the remote command. *TRG TRIGger:IMMediate 7.5.2.4 Dropout Time The dropout time is useful when dealing with signals with several active slots, for example GSM signals, see...

  • Page 46: Controlling The Measurement Results

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement 7.5.3 Controlling the Measurement Results The R&S NRPxxTWG can cope with the wide range of measurement scenarios with the help of the so-called "termination control". Depending on how fast your measure- ment results change, you can define, how the measurement results are output.

  • Page 47: Continuous Average Mode

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement 7.5.4.1 Continuous Average Mode General settings for these examples: ● INITiate:CONTinuous ● [SENSe<Sensor>:]AVERage:COUNt ● [SENSe<Sensor>:]AVERage:COUNt:AUTO Example: Repeating termination control 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.

  • Page 48: Configuring The Trigger

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement Example: Moving termination control Further settings for this example: ● [SENSe<Sensor>:]AVERage:TCONtrol MOVing ● TRIGger:COUNt Every measurement is started by a trigger event. Due to the chopper phases, one measurement lasts twice the defined aperture time. During each measurement, the trigger synchronization is high (TRIGger:SYNC:STATe ON).
  • Page 49 ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement ....................... 50 TRIGger:DELay ..................... 50 TRIGger:DELay:AUTO ....................... 50 TRIGger:DTIMe ................51 TRIGger:EXTernal<2...2>:IMPedance ......................51 TRIGger:HOLDoff ......................51 TRIGger:HYSTeresis ......................52 TRIGger:IMMediate ........................ 52 TRIGger:LEVel ......................52 TRIGger:LEVel:UNIT ....................52 TRIGger:MASTer:PORT ....................53 TRIGger:MASTer:STATe ......................

  • Page 50: Trigger:delay

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement TRIGger:COUNt <count> Sets the number of measurement cycles to be performed when the measurement is started using INITiate[:IMMediate]. This number equals the number of results that can be obtained from the sensor after a single measurement.

  • Page 51: Trigger:external<2

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement Parameters: <dropout_time> Range: 0.00 to 10.00 *RST: 0.00 Default unit: s TRIGger:EXTernal<2...2>:IMPedance <impedance> Effective only if EXTernal2 is set. TRIGger:SOURce Sets termination resistance of the second external trigger input. Choose the setting that fits the impedance of the trigger source to minimize reflections on the trigger sig- nals.

  • Page 52: Trigger:immediate

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement TRIGger:IMMediate Causes a generic trigger event. The power sensor leaves the waiting for trigger state immediately, irrespective of the trigger source and the trigger delay, and starts the measurement. This command is the only way to start a measurement if the trigger source is set to hold (TRIGger:SOURce HOLD).

  • Page 53: Trigger:master:state

    ® Remote Control Commands R&S NRPxxTWG Controlling the Measurement Parameters: <master_port> EXT1 | EXTernal1 | EXT2 | EXTernal2 *RST: EXT1 Example: TRIG:MAST:PORT EXT1 TRIG:SOUR EXT2 TRIG:MAST:STAT ON Example: TRIG:MAST:PORT EXT2 TRIG:SOUR EXT1 TRIG:MAST:STAT ON TRIGger:MASTer:STATe <state> Enables or disables the trigger master mode of the sensor. In this state, the power sen- sor can output a digital trigger signal in sync with its own trigger event.

  • Page 54: Configuring And Retrieving Results

    ® Remote Control Commands R&S NRPxxTWG Configuring and Retrieving Results TRIGger:SYNC:PORT <sync_port> Selects the external connection for the sync output of the sensor. For more information, see TRIGger:SYNC:STATe. Parameters: <sync_port> EXT1 | EXTernal1 | EXT2 | EXTernal2 *RST: EXT1 TRIGger:SYNC:STATe <state> Usually used in combination with TRIGger:MASTer:STATe If enabled, blocks the external trigger bus as long as the sensor remains in the mea-...

  • Page 55: Setting The Result Format

    ® Remote Control Commands R&S NRPxxTWG Configuring and Retrieving Results 7.6.2 Setting the Result Format The FORMat subsystem sets the format of numeric data (measured values) that is exchanged between the remote control computer and the power sensors if high-level measurement commands are used.

  • Page 56: Retrieving Results

    ® Remote Control Commands R&S NRPxxTWG Configuring the Measurement Modes 32 | 64 32-bit or 64-bit If you omit the length, the R&S NRPxxTWG sets the last used length. Example for REAL,32 format: #6768000..<binary float values>..Example for REAL,64 format: #71536000..<binary float values>..

  • Page 57: Continuous Average Measurement

    ® Remote Control Commands R&S NRPxxTWG Configuring the Measurement Modes Further information: ● Chapter 7.8, "Configuring Basic Measurement Parameters", on page 60 ● Chapter 7.5, "Controlling the Measurement", on page 42 Contens: ● Continuous Average Measurement.................57 7.7.1 Continuous Average Measurement The Continuous Average mode measures the signal average power asynchronously within definable time intervals (sampling windows).

  • Page 58: [Sense:][Power:][Avg:]Aperture

    ® Remote Control Commands R&S NRPxxTWG Configuring the Measurement Modes 100 μs is the time for switching the chopper phase. Using ON, you can accelerate the mea- [SENSe<Sensor>:][POWer:][AVG:]FAST surement as follows: ● Chopper is deactivated. ● Average count is set to 1, no matter which average count you have set. Thus, the overall measurement time is only defined by the aperture time, and the mea- surement time for a fast measurement is calculated as follows: MT = APER...

  • Page 59: [Sense:][Power:][Avg:]Buffer:data

    ® Remote Control Commands R&S NRPxxTWG Configuring the Measurement Modes [SENSe<Sensor>:][POWer:][AVG:]BUFFer:DATA? Queries the results of the continuous average result buffer and returns them even if the buffer is not full. In contrast the FETCh? command returns a result only if the buffer is full. Usage: Query only [SENSe<Sensor>:][POWer:][AVG:]BUFFer:SIZE <count>...

  • Page 60: Configuring Basic Measurement Parameters

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters [SENSe<Sensor>:][POWer:][AVG:]SMOothing:STATe <state> Enables or disables the smoothing filter, a steep-edge digital lowpass filter. If you can- not adjust the aperture time exactly to the modulation period, the filter reduces result fluctuations caused by modulation.
  • Page 61 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters [SENSe<Sensor>:]AVERage:COUNt:AUTO <state> Sets the mode for determining the average count. Parameters: <state> Auto averaging: the averaging factor is continuously determined and set depending on the level of power and other parameters. Fixed filter: the previous, automatically determined averaging factor is used.
  • Page 62 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters [SENSe<Sensor>:]AVERage:COUNt:AUTO:RESolution <resolution> Defines the number of significant places for linear units and the number of decimal pla- ces for logarithmic units which should be free of noise in the measurement result. The setting is only taken into account, if [SENSe<Sensor>:]AVERage:COUNt:AUTO ON and...

  • Page 63: Setting The Frequency

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters [SENSe<Sensor>:]AVERage:TCONtrol <mode> Defines how the measurement results are output. This is called termination control. See also Chapter 7.5, "Controlling the Measurement", on page 42. Parameters: <mode> MOVing | REPeat MOVing Outputs intermediate values to facilitate early detection of changes in the measured quantity.

  • Page 64: Configuring Corrections

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters Example: FREQ 10000 7.8.3 Configuring Corrections It is possible to set some parameters that compensate for a change of the measured signal due to fixed external influences. ● Duty Cycle Corrections...................

  • Page 65: S-Parameter Correction

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters calculates the power at the input of the attenuator or the directional coupler. A negative offset can be used to correct the influence of an amplifier connected ahead. Using S-parameters instead of a fixed offset allows more precise measurements, because the interaction between the sensor and the component can be taken into account.
  • Page 66 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters tion data set of the sensor. If you use this attenuator, its effect on the measurement is compensated arithmetically. Achieving Maximum Measurement Sensitivity For maximum measurement sensitivity, you can choose from the following methods. To operate the R&S NRPxxTWG without an attenuator ►...

  • Page 67: S-Gamma Corrections

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters [SENSe<Sensor>:]CORRection:SPDevice:SELect <num> Selects a loaded data set for S-parameter correction. See also Chapter 7.8.3.3, "S-Parameter Correction", on page 65. Parameters: <num> Range: 1 to 1999 *RST: Manual operation: "S-Parameter Device Locked" on page 72 [SENSe<Sensor>:]CORRection:SPDevice:STATe <state>...
  • Page 68 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters If the gamma correction is performed in combination with an S-parameter correction ([SENSe<Sensor>:]CORRection:SPDevice:STATe ON), the following is taken into account: ● Interaction of the signal source with the S-parameter device ●...

  • Page 69: Using The S-Parameters Tool

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters Parameters: <phase> Range: -360.0 to 360.0 *RST: 7.8.3.5 Using the S-Parameters Tool The S-Parameters tool helps loading an S-parameter table into the power sensor. The S-Parameters tool is part of the R&S NRP Toolkit, see Chapter 5.1, "R&S NRP Toolkit", on page 19.

  • Page 70: Device

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters └ Device......................70 └ Options......................70 └ User Data....................70 └ Remote....................71 └ Show Cal. Data..................71 Global Flags........................71 └ S-Parameter Correction ON by Default............71 └ S-Parameter Correction State Locked............72 └...

  • Page 71: Remote

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters Remote ← Options ← Menu bar Opens the "Remote Control Settings" dialog. It is normally not necessary to change timeouts. Show Cal. Data ← Options ← Menu bar Displays the content of the calibration data set that has been loaded either from a file of directly from a sensor as a plain text.

  • Page 72: S-Parameter Correction State Locked

    ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters S-Parameter Correction State Locked ← Global 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 Device Locked ←...
  • Page 73 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters Performing Configuration Tasks In this chapter, different configuration tasks performed with the power sensor and the "S-Parameter Update Multi" tool are described. To load a calibration data set from a power sensor Prerequsites: The power sensor is connected to the computer and a connection is established.
  • Page 74 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters 6. Create a backup of the calibration data set before making any changes. Select "File" > "Save Calibration Data". A dialog opens where you can select the location to save the calibration data. To change the S-parameter data 1.
  • Page 75 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters 4. If needed, load uncertainty data. See "To load an uncertainty parameter file" on page 75. 5. Check the entries in the "S-Parameter Device Mnemonic", "Lower Power Limit/W" and "Upper Power Limit/W" fields and change them, if necessary. For example, the lower and upper power limits are deduced from the power limits of the sensor itself and the minimum attenuation of the S-parameter device.
  • Page 76 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters To save the calibration data to the sensor 1. Select "Sensor" > "Save Calibration Data". The "Download Calibration Data" dialog opens. 2. Confirm that the correct power sensor is selected by clicking "Download". After a successful transfer of the data to the power sensor, a confirmation message is displayed.
  • Page 77 ® Remote Control Commands R&S NRPxxTWG Configuring Basic Measurement Parameters ● Option line The option line has the format #[<frequency unit>][<parameter>][<format>][<R n>], where: – Identifies the option line. – <frequency unit> Possible values are Hz, kHz, MHz or GHz. If a frequency unit is not specified, GHz is implicitly assumed.

  • Page 78: Calibrating/Zeroing The Power Sensor

    ® Remote Control Commands R&S NRPxxTWG Calibrating/Zeroing the Power Sensor – <parameter> U must be specified for uncertainty data files. If a parameter is not specified, S is implicitly assumed and as a result an error message is triggered. – <format>...
  • Page 79 ® Remote Control Commands R&S NRPxxTWG Calibrating/Zeroing the Power Sensor ................... 79 CALibration:TEST:DEViation? ..................80 CALibration:TEST:REFerence? ....................80 CALibration:USER:DATA ..................80 CALibration:USER:DATA:LENGth? ..................80 CALibration<Channel>:ZERO:AUTO CALibration:DATA <caldata> Writes a binary calibration data set in the memory of the sensor. Parameters: <caldata> <block_data>...
  • Page 80 ® Remote Control Commands R&S NRPxxTWG Calibrating/Zeroing the Power Sensor CALibration:TEST:REFerence? During the calibration process, the power difference in W between the state when the external heater is switched on and when it is switched off is determined and stored in the calibration data set.

  • Page 81: Testing The Power Sensor

    ® Remote Control Commands R&S NRPxxTWG Configuring the System Example: *CLS CAL1:ZERO:AUTO ONCE Performs zeroing. Takes several seconds. SYST:SERR? Query -240 Response: Warning; Zero Calibration failed; Results Degrading. 7.10 Testing the Power Sensor The selftest allows a test of the internal circuitry of the sensor. Do not apply a signal to the sensor while the selftest is running.
  • Page 82 ® Remote Control Commands R&S NRPxxTWG Configuring the System ..........85 SYSTem:COMMunicate:NETWork:IPADdress:SUBNet:MASK ...................85 SYSTem:DFPRint<Channel>? .......................85 SYSTem:ERRor:ALL? .................... 85 SYSTem:ERRor:CODE:ALL? ..................86 SYSTem:ERRor:CODE[:NEXT]? ....................86 SYSTem:ERRor:COUNt? ....................86 SYSTem:ERRor[:NEXT]? ......................87 SYSTem:FWUPdate ................... 87 SYSTem:FWUPdate:STATus? ....................87 SYSTem:HELP:HEADers? ....................87 SYSTem:HELP:SYNTax? ................... 88 SYSTem:HELP:SYNTax:ALL? ....................... 88 SYSTem:INFO? ......................
  • Page 83 ® Remote Control Commands R&S NRPxxTWG Configuring the System SYSTem:COMMunicate:NETWork:STATus? Effective only for the R&S NRP LAN power sensors. Queries the network configuration state. SYST:COMM:NETW:STAT? Example: Query Response: The network is active. Usage: Query only SYSTem:COMMunicate:NETWork[:COMMon]:DOMain <domain> Effective only for the R&S NRP LAN power sensors. Sets the domain of the network.
  • Page 84 ® Remote Control Commands R&S NRPxxTWG Configuring the System SYSTem:COMMunicate:NETWork:IPADdress <ipaddress> Effective only: ● For the R&S NRP LAN power sensors. ● is set to STATic. SYSTem:COMMunicate:NETWork:IPADdress:MODE Sets the IP address of the sensor. Parameters: <ipaddress> Example: SYST:COMM:NETW:IPAD '192.168.10.29' Sets 192.168.10.29 as IP address. SYSTem:COMMunicate:NETWork:IPADdress:GATeway <gateway>...

  • Page 85: System:communicate:network:ipaddress:subnet:mask

    ® Remote Control Commands R&S NRPxxTWG Configuring the System Example: SYST:COMM:NETW:IPAD:MODE AUTO The IP address is assigned automatically. SYSTem:COMMunicate:NETWork:IPADdress:SUBNet:MASK <netmask> Effective only: ● For the R&S NRP LAN power sensors. ● is set to STATic. SYSTem:COMMunicate:NETWork:IPADdress:MODE Sets the subnet mask. Parameters: <netmask>...

  • Page 86: System:error:code[:Next]

    ® Remote Control Commands R&S NRPxxTWG Configuring the System Example: SYST:ERR:CODE:ALL? Query Response: No errors have occurred since the error queue was last read out. Usage: Query only SYSTem:ERRor:CODE[:NEXT]? Queries the oldest entry in the error queue and then deletes it. Only the error number is returned.

  • Page 87: System:fwupdate

    ® Remote Control Commands R&S NRPxxTWG Configuring the System SYSTem:FWUPdate <fwudata> Loads new operating firmware into the power sensor. Rohde & Schwarz provides the update file. For further details, see Chapter 6, "Firmware Update", on page 31. If you want to integrate a firmware update function in an application, see the example given in Chapter 6.2.2, "Using Remote Control",...

  • Page 88: System:help:syntax:all

    ® Remote Control Commands R&S NRPxxTWG Configuring the System Example: SYST:HELP:SYNT? 'sens:aver:coun' Usage: Query only SYSTem:HELP:SYNTax:ALL? Queries the implemented SCPI commands and their parameters. Returns the result as a block data. Usage: Query only SYSTem:INFO? [<item>] Queries information about the system. If queried without parameters, the command returns all available information in the form of a list of strings separated by commas.

  • Page 89: System:initialize

    ® Remote Control Commands R&S NRPxxTWG Configuring the System Uptime Cal. Misc. Cal. Abs. Cal. Refl. Cal. Temp. Cal. Lin. Cal. S-Para. Cal. S-Para. (User) SPD Mnemonic Cal. Due Date Certificate No Limit TestLimit TestLimit pd Usage: Query only SYSTem:INITialize Sets the sensor to the standard state, i.e.

  • Page 90: System:led:mode

    ® Remote Control Commands R&S NRPxxTWG Configuring the System bb = blue Range: 0x00 to 0x02FFFFFF *RST: 0x00A0A0A0 Example: SYST:LED:MODE USER Sets the system status LED operating mode to user. SYST:LED:COL #H01a00000 The LED flashes slowly in red. SYSTem:LED:MODE SENSor Sets the system status LED operating mode back to the sensor internal settings.

  • Page 91: System:preset

    ® Remote Control Commands R&S NRPxxTWG Configuring the System SYSTem:PRESet Triggers a sensor reset. The command essentially corresponds to the *RST command, with the exception that the settings of the following commands are persistently held: INITiate:CONTinuous SENSe:AVERage:TCONtrol Usage: Event SYSTem:REBoot Reboots the sensor.

  • Page 92: System:serror:list:all

    ® Remote Control Commands R&S NRPxxTWG Configuring the System SYSTem:SERRor:LIST:ALL? Returns a list of all static errors that have occurred but have already been resolved. For example, an overload of a short duration. Example: SYST:SERR:LIST:ALL? Response: 0,"reported at uptime:2942; notice; auto-averaging exceeded maximum time;...

  • Page 93: Using The Status Register

    ® Remote Control Commands R&S NRPxxTWG Using the Status Register Usage: Event SYSTem:TRANsaction:END Ends a series of settings. Usage: Event SYSTem[:SENSor]:NAME <sensorname> Sets the name of the sensor according to your requirements. The specified name is displayed in the web user interface of the network sensors. The sensor name that you specify here is independent from the hostname of the sen- sor.

  • Page 94: General Status Register Commands

    ® Remote Control Commands R&S NRPxxTWG Using the Status Register Contents: ● General Status Register Commands..............94 ● Reading Out the CONDition Part................94 ● Reading Out the EVENt Part...................95 ● Controlling the ENABle Part..................95 ● Controlling the Negative Transition Part..............

  • Page 95: Reading Out The Event Part

    ® Remote Control Commands R&S NRPxxTWG Using the Status Register 7.12.3 Reading Out the EVENt Part Further information: ● Chapter 9.3.2, "Structure of a SCPI Status Register", on page 108 STATus:DEVice[:EVENt]? STATus:OPERation:CALibrating[:SUMMary][:EVENt]? STATus:OPERation[:EVENt]? STATus:OPERation:LLFail[:SUMMary][:EVENt]? STATus:OPERation:MEASuring[:SUMMary][:EVENt]? STATus:OPERation:SENSe[:SUMMary][:EVENt]? STATus:OPERation:TRIGger[:SUMMary][:EVENt]? STATus:OPERation:ULFail[:SUMMary][:EVENt]? STATus:QUEStionable:CALibration[:SUMMary][:EVENt]? STATus:QUEStionable[:EVENt]? STATus:QUEStionable:POWer[:SUMMary][:EVENt]? STATus:QUEStionable:WINDow[:SUMMary][:EVENt]? Usage:...

  • Page 96: Controlling The Positive Transition Part

    ® Remote Control Commands R&S NRPxxTWG Using the Status Register STATus:OPERation:LLFail:NTRansition <value> STATus:OPERation:MEASuring:NTRansition <value> STATus:OPERation:SENSe:NTRansition <value> STATus:OPERation:TRIGger:NTRansition <value> STATus:OPERation:ULFail:NTRansition <value> STATus:QUEStionable:CALibration:NTRansition <value> STATus:QUEStionable:NTRansition <value> STATus:QUEStionable:POWer:NTRansition <value> STATus:QUEStionable:WINDow:NTRansition <value> Parameters: <value> *RST: 7.12.6 Controlling the Positive Transition Part Further information: ● Chapter 9.3.2, "Structure of a SCPI Status Register", on page 108...

  • Page 97: Performing Measurement Tasks - Programming Examples

    ® Performing Measurement Tasks - Programming Examples R&S NRPxxTWG Performing a Buffered Continuous Average Measurement 8 Performing Measurement Tasks - Program- ming Examples If you install the optional software development kit (SDK) of the R&S NRP Toolkit, pro- gramming examples are provided. See Chapter 5.1, "R&S NRP Toolkit", on page 19.
  • Page 98 ® Performing Measurement Tasks - Programming Examples R&S NRPxxTWG Performing a Buffered Continuous Average Measurement // Auto Averaging OFF and set Average Count = 4 SENSOR.write( "SENS:AVER:COUN:AUTO OFF" ); SENSOR.write( "SENS:AVER:COUN 4" ); // Select the trigger source if ( bUseBUSTrigger ) // We want to use '*TRG' to trigger a single physical measurement SENSOR.write( "TRIG:SOUR BUS"...
  • Page 99 ® Performing Measurement Tasks - Programming Examples R&S NRPxxTWG Performing a Buffered Continuous Average Measurement // Trigger a single physical measurement; either by '*TRG' // command or by an externally supplied pulse on the SMB-type connector if ( bUseBUSTrigger ) SENSOR.write( "*TRG"...

  • Page 100: Remote Control Basics

    ® Remote Control Basics R&S NRPxxTWG Remote Control Interfaces and Protocols 9 Remote Control Basics ● Remote Control Interfaces and Protocols............. 100 ● SCPI Command Structure..................101 ● Status Reporting System..................107 9.1 Remote Control Interfaces and Protocols For remote control, communication between the R&S NRPxxTWG power sensors and the controlling host is established based on various interfaces and protocols.

  • Page 101: Scpi Command Structure

    Example: USB::0x0AAD::0x01D1::100001 0x0AAD is the vendor ID for Rohde & Schwarz. 0x01D1 is the product ID for the R&S NRP75TWG power sensor. 100001 is the serial number of the particular power sensor. 9.2 SCPI Command Structure SCPI commands - messages - are used for remote control. Commands that are not taken from the SCPI standard follow the SCPI syntax rules.

  • Page 102: Syntax For Device-Specific Commands

    ® Remote Control Basics R&S NRPxxTWG SCPI Command Structure *RST RESET Resets the instrument. *ESE EVENT STATUS ENABLE Sets the bits of the event status enable registers. *ESR? EVENT STATUS QUERY Queries the contents of the event status register. *IDN? IDENTIFICATION QUERY Queries the instrument identification string.

  • Page 103: Scpi Parameters

    ® Remote Control Basics R&S NRPxxTWG SCPI Command Structure Example: Definition: INITiate[:IMMediate] Command: INIT:IMM is equivalent to INIT Parameters Parameters must be separated from the header by a "white space". If several parame- ters are specified in a command, they are separated by a comma. For a description of the parameter types, refer to Chapter 9.2.3, "SCPI Parameters",...
  • Page 104 ® Remote Control Basics R&S NRPxxTWG SCPI Command Structure Units For physical quantities, you can enter the unit. Only basic units are allowed and recog- nized, see Table 9-3. If you omit the unit, the basic unit is used. Table 9-3: Units Noted default unit Corresponding basic unit Frequency...
  • Page 105 ® Remote Control Basics R&S NRPxxTWG SCPI Command Structure Example: Setting command: SENSe:AVERage:COUNt:AUTO ON Query: SENSe:AVERage:COUNt:AUTO? Response: 1 Text parameters Text parameters observe the syntactic rules for mnemonics, i.e. they can be entered using a short or long form. Like any parameter, they have to be separated from the header by a white space.

  • Page 106: Overview Of Syntax Elements

    ® Remote Control Basics R&S NRPxxTWG SCPI Command Structure 9.2.4 Overview of Syntax Elements The following table provides an overview of the syntax elements: The colon separates the mnemonics of a command. In a command line, the separating semico- lon marks the uppermost command level. The semicolon separates two commands of a command line.

  • Page 107: Responses To Queries

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System A new command line always begins with the complete path. Example: TRIG:LEV 0.1E-3 TRIG:DEL 3E-3 9.2.6 Responses to Queries A query is defined for each setting command unless explicitly specified otherwise. It is formed by adding a question mark to the associated setting command.

  • Page 108: Structure Of A Scpi Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Output queue Error/event queue Service request enable Status byte & Device status & & & Questionable status & & Standard event status RQS/MSS Operation status & Service request to controller at transition from 0 to 1 Figure 9-1: Status registers overview Chapter 9.3.3, "Status Byte (STB) and Service Request Enable Register...
  • Page 109 ® Remote Control Basics R&S NRPxxTWG Status Reporting System cant bit, is set to 0 in all registers, thus preventing problems some controllers have with the processing of unsigned integers. Figure 9-2: Standard SCPI status register CONDition status register part The five parts of a SCPI register have different properties and functions: The CONDition part is written into directly by the hardware or the sum bit of the next lower register.

  • Page 110: Status Byte (Stb) And Service Request Enable Register (Sre)

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System EVENt status register part The EVENt part indicates whether an event has occurred since the last reading, it is the "memory" of the condition part. It only indicates events passed on by the transition filters.

  • Page 111: Ist Flag And Parallel Poll Enable Register (Ppe)

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Table 9-4: Meaning of bits used in the status byte Bit No. Meaning Not used Device status register summary bit Depending on the configuration of the sensors status register, this bit is set when a sensor is connected or disconnected or when an error has occurred in a sensor.

  • Page 112: Device Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System The parallel poll enable register can be set and read by *PRE. 9.3.5 Device Status Register Device Sensor Error Summary Status Sensor Error Sensor Error Sensor Error Sensor Error Legacy Locked Reference-PLL Locked Querying the register: ●...

  • Page 113: Questionable Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Bit No. Meaning 5 to 6 Not used Legacy locked state The power sensor is locked in the NRP Legacy mode. Via the SCPI channels (USBTMC or TCP/IP) only the usage of query commands is possible, and no setting commands. The NRP legacy interface takes precedence over all other command channels when the first setting command is sent via this interface.

  • Page 114: Questionable Power Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Querying the register: ● STATus:QUEStionable:CONDition? ● STATus:QUEStionable[:EVENt]? Table 9-6: Meaning of bits used in the questionable status register Bit No. Meaning 0 to 2 Not used Questionable power status register summary bit Corresponds to the summary bit of the questionable power status register.

  • Page 115: Standard Event Status And Enable Register (Esr, Ese)

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Querying the register: ● STATus:QUEStionable:CALibration:CONDition? ● STATus:QUEStionable:CALibration[:SUMMary][:EVENt]? Table 9-8: Meaning of bits used in the questionable calibration status register Bit No. Meaning Not used Sensor calibration Zeroing of the sensor was not successful. 2 to 15 Not used 9.3.7 Standard Event Status and Enable Register (ESR, ESE)

  • Page 116: Operation Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Bit No. Meaning Execution error This bit is set if the syntax of a received command is correct but the command cannot be executed due to various marginal conditions. An error message with a number between -200 and -300 denoting the error in greater detail is entered in the error queue.

  • Page 117: Operation Calibrating Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Table 9-10: Meaning of bits used in the operation status register Bit No. Meaning Calibrating status register summary bit This bit is set if the sensor is being calibrated. Chapter 9.3.8.1, "Operation Calibrating Status Register", on page 117.

  • Page 118: Operation Measuring Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System Table 9-11: Meaning of bits used in the operation calibrating status register Bit No. Meaning Not used Sensor calibrating The sensor is being calibrated 5 to 15 Not used 9.3.8.2 Operation Measuring Status Register The CONDition register contains information about whether a measurement is being performed by a sensor and, depending on the configuration of the transition register.

  • Page 119: Operation Sense Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System 9.3.8.4 Operation Sense Status Register The CONDition register contains information about whether a sensor is being initial- ized and, depending on the configuration of the transition register. The EVENt register indicates whether a sensor initialization was started or completed since the last read- out of this register.

  • Page 120: Operation Upper Limit Fail Status Register

    ® Remote Control Basics R&S NRPxxTWG Status Reporting System 9.3.8.6 Operation Upper Limit Fail Status Register The CONDition register contains information about whether a displayed value is above a configured upper limit. The EVENt register indicates whether a limit value was exceeded since the last readout of the Operation Upper Limit Fail Status Register.

  • Page 121: Troubleshooting

    ® Troubleshooting R&S NRPxxTWG Problems during a Firmware Update 10 Troubleshooting ● Displaying Status Information................121 ● Performing a Selftest.....................121 ● Problems during a Firmware Update..............121 10.1 Displaying Status Information Status information is available in several ways. Status LED of the R&S NRPxxTWG The position of the status LED is indicated in Chapter 4, "Power Sensor Tour",...
  • Page 122 ® Troubleshooting R&S NRPxxTWG Problems during a Firmware Update 2. If the power sensor is not accessible any more, contact the service. User Manual 1178.8371.02 ─ 04...

  • Page 123: List Of Commands

    ® List of Commands R&S NRPxxTWG List of Commands [SENSe<Sensor>:][POWer:][AVG:]APERture....................58 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:CLEar..................58 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:COUNt?..................58 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:DATA?..................59 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:SIZE....................59 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:STATe..................59 [SENSe<Sensor>:][POWer:][AVG:]FAST......................59 [SENSe<Sensor>:][POWer:][AVG:]SMOothing:STATe..................60 [SENSe<Sensor>:]AVERage:COUNt......................60 [SENSe<Sensor>:]AVERage:COUNt:AUTO....................61 [SENSe<Sensor>:]AVERage:COUNt:AUTO:MTIMe..................61 [SENSe<Sensor>:]AVERage:COUNt:AUTO:NSRatio..................61 [SENSe<Sensor>:]AVERage:COUNt:AUTO:RESolution................62 [SENSe<Sensor>:]AVERage:COUNt:AUTO:TYPE..................62 [SENSe<Sensor>:]AVERage:RESet........................62 [SENSe<Sensor>:]AVERage:TCONtrol......................63 [SENSe<Sensor>:]AVERage[:STATe]......................63 [SENSe<Sensor>:]CORRection:DCYCle......................64 [SENSe<Sensor>:]CORRection:DCYCle:STATe..................... 64 [SENSe<Sensor>:]CORRection:OFFSet......................65 [SENSe<Sensor>:]CORRection:OFFSet:STATe.....................
  • Page 124 ® List of Commands R&S NRPxxTWG CALibration:DATA............................79 CALibration:DATA:LENGth?..........................79 CALibration:TEST:DEViation?......................... 79 CALibration:TEST:REFerence?........................80 CALibration:TEST?............................79 CALibration:USER:DATA..........................80 CALibration:USER:DATA:LENGth?......................... 80 CALibration<Channel>:ZERO:AUTO.......................80 FETCh<Sensor>:ARRay[:POWer][:AVG]?...................... 56 FETCh<Sensor>[:SCALar][:POWer][:AVG]?....................56 FORMat:BORDer.............................55 FORMat:SREGister............................55 FORMat[:DATA]............................... 55 INITiate:ALL..............................43 INITiate:CONTinuous............................43 INITiate[:IMMediate]............................43 STATus:DEVice:CONDition?........................... 94 STATus:DEVice:ENABle..........................95 STATus:DEVice:NTRansition...........................95 STATus:DEVice:PTRansition........................... 96 STATus:DEVice[:EVENt]?..........................95 STATus:OPERation:CALibrating:CONDition?....................94 STATus:OPERation:CALibrating:ENABle......................
  • Page 125 ® List of Commands R&S NRPxxTWG STATus:OPERation:ULFail:CONDition?......................94 STATus:OPERation:ULFail:ENABle.........................95 STATus:OPERation:ULFail:NTRansition......................96 STATus:OPERation:ULFail:PTRansition......................96 STATus:OPERation:ULFail[:SUMMary][:EVENt]?................... 95 STATus:OPERation[:EVENt]?..........................95 STATus:PRESet...............................94 STATus:QUEStionable:CALibration:CONDition?.....................94 STATus:QUEStionable:CALibration:ENABle....................95 STATus:QUEStionable:CALibration:NTRansition.................... 96 STATus:QUEStionable:CALibration:PTRansition.................... 96 STATus:QUEStionable:CALibration[:SUMMary][:EVENt]?................95 STATus:QUEStionable:CONDition?.........................94 STATus:QUEStionable:ENABle........................95 STATus:QUEStionable:NTRansition........................ 96 STATus:QUEStionable:POWer:CONDition?....................94 STATus:QUEStionable:POWer:ENABle......................95 STATus:QUEStionable:POWer:NTRansition....................96 STATus:QUEStionable:POWer:PTRansition....................96 STATus:QUEStionable:POWer[:SUMMary][:EVENt]?..................95 STATus:QUEStionable:PTRansition........................ 96 STATus:QUEStionable:WINDow:CONDition?....................
  • Page 126 ® List of Commands R&S NRPxxTWG SYSTem:INITialize............................89 SYSTem:LANGuage............................89 SYSTem:LED:COLor............................89 SYSTem:LED:MODE............................90 SYSTem:MINPower?............................90 SYSTem:PARameters:DELTa?........................90 SYSTem:PARameters?............................90 SYSTem:PRESet............................. 91 SYSTem:REBoot..............................91 SYSTem:RESTart.............................91 SYSTem:RUTime.............................91 SYSTem:SERRor:LIST:ALL?........................... 92 SYSTem:SERRor:LIST[:NEXT]?........................92 SYSTem:SERRor?............................91 SYSTem:SUTime............................. 92 SYSTem:TLEVels?............................92 SYSTem:TRANsaction:BEGin......................... 92 SYSTem:TRANsaction:END..........................93 SYSTem:VERSion?............................93 SYSTem[:SENSor]:NAME..........................93 TEST:SENSor?..............................81 TRIGger:ATRigger:DELay..........................

  • Page 127: Index

    ® Index R&S NRPxxTWG Index Android device Firmware update ............21, 31 R&S Power Viewer Mobile .......... 26 Potential risks ............. 31 Application cards ..............8 Problems ..............121 Application notes ..............8 Remote control ............33 Requirements ............. 31 Firmware Update for NRP Family ........
  • Page 128 ® Index R&S NRPxxTWG PTRansition .............. 109 Sum bit ..............110 Parameters Suffixes ..............36, 102 Block data ..............105 Sum bit ................110 Special numeric values ..........104 String ................ 105 Text ................105 Trigger ................43 Preparing for use ............... 11 Dropout time ...............

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