Page 1 ® R&S NRPxTWG(N) Thermal Waveguide Power Sensors User Manual (;ÜáÕ2) 1178837102 Version 19...
Page 2 This document describes the following thermal waveguide power sensors with firmware version 03.40 and higher: ● ® R&S NRP75TWG (1700.2529K02) ● ® R&S NRP75TWGN (1440.5010K02) ● ® R&S NRP90TWG (1700.2312K02) ● ® R&S NRP90TWGN (1440.5078K02) ● ® R&S NRP110TWG (1173.8709K02) ●...
Page 3: Table Of Contents
® Contents R&S NRPxTWG(N) Contents 1 Safety and regulatory information............9 Safety instructions......................9 Labels on the product....................10 Warning messages in the documentation..............11 CE declaration of conformity..................11 Where to find key documents on Rohde & Schwarz..........11 2 Welcome....................12 Documentation overview....................12 2.1.1 Getting started manual....................12...
Page 4 ® Contents R&S NRPxTWG(N) RF connector....................... 30 Status information...................... 31 Host interface......................32 Trigger I/O connector....................32 LAN PoE interface.......................32 5 Operating concepts................34 R&S NRP‑Toolkit......................34 5.1.1 Versions and downloads....................34 5.1.2 System requirements....................34 5.1.3 R&S NRP‑Toolkit for Windows..................35 Web user interface......................
Page 5 ® Contents R&S NRPxTWG(N) 7.2.3 Using SFTP........................57 7.2.4 Using remote control..................... 58 8 Remote control commands..............60 Conventions used in SCPI command descriptions..........60 Common commands....................61 Preparing for the measurement.................65 8.3.1 Selecting the reference source..................65 8.3.2 Selecting a measurement mode................... 65 Controlling the measurement..................
Page 6 ® Contents R&S NRPxTWG(N) 8.11.6 Remote settings......................116 8.11.7 Sensor information...................... 118 8.11.8 Status display and update...................120 8.11.9 Measurement limits and levels..................121 8.11.10 Errors.......................... 122 8.12 Using the status register..................124 8.12.1 General status register commands................124 8.12.2 Reading the CONDition part..................125 8.12.3 Reading the EVENt part....................125 8.12.4...
Page 7 ® Contents R&S NRPxTWG(N) 12 Transporting..................154 13 Maintenance, storage and disposal..........155 13.1 Cleaning........................155 13.2 Storage........................155 13.3 Disposal........................155 List of commands................157 Index....................161 User Manual 1178.8371.02 ─ 19...
Page 8 ® Contents R&S NRPxTWG(N) User Manual 1178.8371.02 ─ 19...
Page 9: Safety And Regulatory Information
® Safety and regulatory information R&S NRPxTWG(N) Safety instructions 1 Safety and regulatory information The product documentation helps you use the product safely and efficiently. Follow the instructions provided here and in the following sections. Intended use The sensors are intended for accurate and uncomplicated power measurements in production, R&D and calibration labs as well as for installation and maintenance tasks.
Page 10: Labels On The Product
® Safety and regulatory information R&S NRPxTWG(N) Labels on the product Reconfigure or adjust the product only as described in the product documentation or the specifications document. Any other modifications can affect safety and are not per- mitted. Never open the casing of the product. Only service personnel authorized by Rohde &...
Page 11: Warning Messages In The Documentation
® Safety and regulatory information R&S NRPxTWG(N) Where to find key documents on Rohde & Schwarz 1.3 Warning messages in the documentation A warning message points out a risk or danger that you need to be aware of. The sig- nal word indicates the severity of the safety hazard and how likely it will occur if you do not follow the safety precautions.
Page 12: Welcome
® Welcome R&S NRPxTWG(N) Documentation overview 2 Welcome This section provides an overview of the user documentation and an introduction to the sensor. In the manuals, the terms sensor and power sensor module are used synonymously. 2.1 Documentation overview This section provides an overview of the R&S NRPxTWG(N) user documentation. Unless specified otherwise, you find the documents at: www.rohde-schwarz.com/manual/nrp-t-tn Further documents are available at:...
Page 13: Specifications Documents And Product Brochures
® Welcome R&S NRPxTWG(N) Key features 2.1.5 Specifications documents and product brochures The specifications document, also known as the data sheet, contains the technical specifications of the R&S NRPxTWG(N). It also lists the firmware applications and their order numbers, and optional accessories. The brochure provides an overview of the instrument and deals with the specific char- acteristics.
Page 14 ® Welcome R&S NRPxTWG(N) Key features Functions and performance features: ● Fully characterized power sensors ● Minimized measurement uncertainty ● Intelligent averaging function minimizes measurement time ● Versatile measurement functions Additional features: ● USBTMC for easy system integration ● Built-in trigger I/O port ●...
Page 15: Preparing For Use
® Preparing for use R&S NRPxTWG(N) Choosing the operating site 3 Preparing for use Here, you can find basic information about setting up the product for the first time. ● Unpacking and checking..................15 ● Choosing the operating site..................15 ● Considerations for test setup..................
Page 16: Considerations For Test Setup
® Preparing for use R&S NRPxTWG(N) Connecting to a DUT 3.3 Considerations for test setup Pay particular attention to the following aspects when handling sensors. Preventing electrostatic discharge (ESD) Electrostatic discharge is most likely to occur when you connect or disconnect a device under test (DUT).
Page 17: Powering The Sensor
® Preparing for use R&S NRPxTWG(N) Powering the sensor 6. Insert the pins and dowels straight into the receiving holes. Take care not to tilt the sensor. 7. Tighten the screws of the waveguide flange manually. 8. Tighten the screws of the waveguide flange using a torque wrench with the nominal torque of 0.58 Nm (5'' lbs) to ensure maximum measurement accuracy.
Page 18: Connecting A Cable To The Host Interface
® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host Choose the power sourcing equipment (PSE) with care Only use PoE power sourcing equipment (PSE) as specified in the IEEE standards 802.3af or IEEE 802.3at. Otherwise, the following can happen: ●...
Page 19: Computer
® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 3.7.1 Computer If the controlling host is a computer, you can establish the connection using: ● Host interface Section 3.7.1.1, "Using a simple USB connection", on page 19. Section 3.7.1.2, "Using R&S NRP‑Z5 sensor hub setup", on page 20.
Page 20 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host Section 5, "Operating concepts", on page 34. If the computer has a USB type C port, use an R&S NRP‑ZKC cable instead of an R&S NRP‑ZKU cable. 3.7.1.2 Using R&S NRP‑Z5 sensor hub setup The R&S NRP‑Z5 sensor hub (high-speed USB 2.0) can host up to four sensors and provides simultaneous external triggering to all connected sensors.
Page 21 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host Setup ROHDE & SCHWARZ NRP-Z5 SENSOR HUB Power Sensors Figure 3-3: Setup with an R&S NRP-Z5 sensor hub 1 = Connect to AC power supply. 2 = External power supply unit 3 = Connect to a computer.
Page 22: Android Smartphone Or Tablet With Usb Type C
® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 6. NOTICE! Incorrectly connecting or disconnecting the sensor can damage the sen- sor or lead to incorrect results. Follow the instructions in "To connect to the DUT" on page 16. Connect each sensor to the signal source (DUT).
Page 23: Base Units And Rohde & Schwarz Instruments
® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 4. On the Android smartphone or tablet, start a software application to view the mea- surement results. Section 5, "Operating concepts", on page 34. 3.7.3 Base units and Rohde & Schwarz instruments You can use the following instruments as a controlling host: ●...
Page 24: Using A Lan Connection
® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 1. Connect the sensor to the R&S NRX using the R&S NRP‑ZK8 cable. "To connect a cable to the host interface of the sensor" on page 18. 2. NOTICE! Incorrectly connecting or disconnecting the sensor can damage the sen- sor or lead to incorrect results.
Page 25 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host = Signal source = LAN sensor = RJ-45 Ethernet connector 4, 6 = RJ-45 Ethernet cable = computer = Ethernet switch supporting PoE power delivery 1. NOTICE! Incorrectly connecting or disconnecting the sensor can damage the sen- sor or lead to incorrect results.
Page 26 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 2. NOTICE! Risk of damaging the sensor. Only use PoE power sourcing equipment (PSE) as described in "Choose the power sourcing equipment (PSE) with care" on page 18. Connect the RJ-45 Ethernet connector of the sensor to the output of the PoE injec- tor.
Page 27 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 5. Establish a network connection between the sensor and the computer. 3.7.4.2 Establishing a connection to the network There are two methods to establish a network connection: ● Sensor and computer are connected to a common network (Infrastructure network).
Page 28 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host 3.7.4.3 Using host names In a LAN that uses a domain name system (DNS) server, each connected computer or instrument can be accessed via a unique host name instead of an IP address. The DNS server translates the host name to the IP address.
Page 29 ® Preparing for use R&S NRPxTWG(N) Connecting to a controlling host Example: Default host name: nrp75twgn-123456 Extended host name: nrp75twgn-123456.local 3.7.4.4 Assigning the IP address Depending on the network capabilities, the TCP/IP address information for the sensor can be obtained in different ways: ●...
Page 30: Sensor Tour
® Sensor tour R&S NRPxTWG(N) RF connector 4 Sensor tour This section provides an overview of the available connectors and LEDs of the sensor. In the following figure, the USB sensor is shown on the left, the LAN sensor is shown on the right.
Page 31: Status Information
® Sensor tour R&S NRPxTWG(N) Status information Table 4-1: R&S NRPxTWG(N) RF connector characteristics Model Waveguide size Frequency range Tightening torque* R&S NRP75TWG 50 GHz to 75 GHz WR-15 R&S NRP75TWGN R&S NRP90TWG 60 GHz to 90 GHz WR-12 R&S NRP90TWGN R&S NRP110TWG 75 GHz to 110 GHz 0.58 Nm (5'' lbs)
Page 32: Host Interface
® Sensor tour R&S NRPxTWG(N) LAN PoE interface Further information: ● Section 11.1, "Displaying status information", on page 150 ● Section 11.2, "Error messages", on page 150 4.3 Host interface Used to connect the sensor and a USB host. For this purpose, an external cable is needed.
Page 33 ® Sensor tour R&S NRPxTWG(N) LAN PoE interface Indication State Green The sensor is powered over PoE. You can operate it using the Ethernet inter- face. Not illuminated No PoE power is present. Network status LED Shows whether the LAN connection to the network is established properly or not. Indication State Green...
Page 34: Operating Concepts
® Operating concepts R&S NRPxTWG(N) R&S NRP‑Toolkit 5 Operating concepts ● R&S NRP‑Toolkit.....................34 ● Web user interface....................37 ● Remote control......................37 ● R&S NRX........................ 38 ● R&S NRPV......................38 ● R&S Power Viewer....................39 ● R&S Power Viewer Mobile..................40 5.1 R&S NRP‑Toolkit Before you start using an R&S sensor or sensor module, we recommend installing the latest R&S NRP‑Toolkit.
Page 35: R&S Nrp-Toolkit For Windows
® Operating concepts R&S NRPxTWG(N) R&S NRP‑Toolkit 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. To install the R&S NRP‑Toolkit 1. Start the R&S NRP‑Toolkit installer on the Windows-based computer. In the "NRP-Toolkit Setup"...
Page 36 ® Operating concepts R&S NRPxTWG(N) R&S NRP‑Toolkit To uninstall the R&S NRP‑Toolkit Use the Windows functionality for removing apps and features. The R&S NRP‑Toolkit itself has no uninstall functionality. 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 trouble establishing a LAN connection with a LAN sensor.
Page 37: Web User Interface
® Operating concepts R&S NRPxTWG(N) Remote control 5.2 Web user interface Requires a sensor with networking capabilities, a LAN sensor. On the sensor, there is no installation required. With the integrated web user interface, you can easily configure the most common settings of the sensor and measure in the provided measurement modes.
Page 38: R&S Nrx
® Operating concepts R&S NRPxTWG(N) R&S NRPV Further information: ● Section 8, "Remote control commands", on page 60 ● Section 10, "Remote control basics", on page 131 ● Section 3.7.1, "Computer", on page 19 5.4 R&S NRX The required equipment and the setup are described in Section 3.7.3.1, "R&S NRX base unit",...
Page 39: R&S Power Viewer
® Operating concepts R&S NRPxTWG(N) R&S Power Viewer www.rohde-schwarz.com/software/nrp-t-tn Setup 1. Install the following on the computer: ● Latest version of R&S NRP‑Toolkit. See Section 5.1, "R&S NRP‑Toolkit", on page 34. ● Latest version of R&S NRPV. For information on installation, see the operating manual of the R&S NRPV.
Page 40: R&S Power Viewer Mobile
® Operating concepts R&S NRPxTWG(N) R&S Power Viewer Mobile Starting a measurement For a detailed description, refer to the operating manual of the R&S Power Viewer. The manual is installed automatically during the installation of the R&S Power Viewer. 1. Start the R&S Power Viewer. 2.
Page 41: Web User Interface
® Web user interface R&S NRPxTWG(N) Main dialog of the web user interface 6 Web user interface The web user interface is an alternative way to operate an LAN sensor. This section provides a description of the parameters used for setting a power mea- surement with the web user interface.
Page 42: Setting The Unit
® Web user interface R&S NRPxTWG(N) Setting the unit Parameter pane Displays the content selected in the navigation pane. Result pane Displays the measurement result for the selected measurement mode. It can display only a value or a graph, depending on the selected measurement mode. 6.2 Setting the unit If a parameter has a unit, the unit is displayed after the value.
Page 43: Common Settings
® Web user interface R&S NRPxTWG(N) Common settings Unit multiples Keyboard key micro nano For certain parameters, you can select a different representation, depending on the requirements. For example, for the representation of the trigger level, you can choose Watts, dBm or dBµV. To change the unit, you must specify the desired value together with the full new unit once.
Page 44 ® Web user interface R&S NRPxTWG(N) Common settings Offset Groups the offset settings. <State> ← Offset Enables or disables the usage of the level offset. Remote command: [SENSe<Sensor>:]CORRection:OFFSet:STATe <Value> ← Offset Adds a fixed level offset in dB to account for external losses. Remote command: [SENSe<Sensor>:]CORRection:OFFSet S-Parameter...
Page 45: Measurement Modes
® Web user interface R&S NRPxTWG(N) Measurement modes Remote command: [SENSe<Sensor>:]AVERage:COUNt [SENSe<Sensor>:]AVERage:COUNt:AUTO:RESolution [SENSe<Sensor>:]AVERage:COUNt:AUTO:NSRatio 6.4 Measurement modes Describes the parameters for the available measurement modes. ● Continuous average mode..................45 6.4.1 Continuous average mode Describes the parameters of the continuous average measurement. Further information: ●...
Page 46: Settings
® Web user interface R&S NRPxTWG(N) Settings Smoothing Enables the smoothing filter, a steep-cut off digital lowpass filter. The filter reduces result fluctuations caused by modulation. Remote command: [SENSe<Sensor>:][POWer:][AVG:]SMOothing:STATe 6.5 Settings Describes the parameters for general configuration. ● Sensor settings....................... 46 ●...
Page 47: Averaging Settings
® Web user interface R&S NRPxTWG(N) Settings Remote command: [SENSe<Sensor>:]SGAMma:CORRection:STATe Magnitude ← Γ Correction Sets the magnitude of the complex reflection coefficient of the source, Γ source A value of 0.0 corresponds to an ideal matched source. A value of 1.0 corresponds to total reflection.
Page 48: Trigger Settings
® Web user interface R&S NRPxTWG(N) Settings Filter Terminal Control....................48 Auto Measurement Time....................48 Filter Terminal Control Defines how the measurement results are output, also called termination control. See also Section 8.4, "Controlling the measurement", on page 66. "Moving" Outputs intermediate values to facilitate early detection of changes in the measured quantity.
Page 49 ® Web user interface R&S NRPxTWG(N) Settings Trigger Source.......................49 └ <Source>......................49 └ <Slope>......................49 Trigger Level......................... 49 Trigger Delay.........................49 Dropout......................... 49 Holdoff...........................49 Hysteresis........................50 Trigger Source Groups the trigger source settings. <Source> ← Trigger Source Selects the trigger source. See Section 8.4.2.3, "Trigger sources", on page 68.
Page 50: System Settings
® Web user interface R&S NRPxTWG(N) Settings Remote command: TRIGger:HOLDoff Hysteresis Sets the hysteresis in dB. 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 setting to eliminate the effects of noise in the signal for the edge detector of the trigger system.
Page 51: Sensor Name
® Web user interface R&S NRPxTWG(N) Settings Remote command: SYSTem:COMMunicate:NETWork:IPADdress:SUBNet:MASK Sensor Name Sets the sensor name. The sensor name is displayed in the title bar of the web user interface, see Figure 6-1. If you do not specify a sensor name, the host name is used as default. See also on page 113.
Page 52: Apply Network Settings
® Web user interface R&S NRPxTWG(N) Settings Remote command: TEST:SENSor? Apply Network Settings After you have made the required network settings changes, apply them to the sensor by clicking "Apply Network Settings". Firmware Update Opens a dialog to start the firmware update. For further information, see Section 7.2.2, "Using the web user interface",...
Page 53: Reboot
® Web user interface R&S NRPxTWG(N) Settings Reboot Reboots the R&S NRPxTWG(N). When the reboot is completed, press [F5] to reload the browser page. Remote command: on page 110 SYSTem:REBoot User Manual 1178.8371.02 ─ 19...
Page 54: Firmware Update
® Firmware update R&S NRPxTWG(N) Updating the firmware 7 Firmware update ● Downloading the firmware update file..............54 ● Updating the firmware..................... 54 7.1 Downloading the firmware update file Firmware update files of R&S sensors generally have an RSU extension, RSU mean- ing Rohde &...
Page 55 ® Firmware update R&S NRPxTWG(N) Updating the firmware To check the prerequisites 1. Ensure that a recent VISA software is installed on the computer. The latest version is provided on the Rohde & Schwarz website at www.rohde- schwarz.com/rsvisa. 2. Ensure that the R&S NRP‑Toolkit for Windows is installed on the computer. See Section 5.1, "R&S NRP‑Toolkit", on page 34.
Page 56: Using The Web User Interface
® Firmware update R&S NRPxTWG(N) Updating the firmware The update sequence can take a couple of minutes, depending on the sensor model and the size of the selected file. 8. Check if the update was successful. The firmware version in the "Identification" field must match the version you selected in the "Firmware"...
Page 57: Using Sftp
® Firmware update R&S NRPxTWG(N) Updating the firmware 7. Click "Start update". The firmware update can take several minutes. During the update process, a pro- gress bar is displayed. When the update is completed, the dialog closes automati- cally. 7.2.3 Using SFTP Requires a sensor with networking capabilities, a LAN sensor.
Page 58: Using Remote Control
® Firmware update R&S NRPxTWG(N) Updating the firmware ● <RSU file path> = path and name of the RSU file. If the RSU file is in your user directory on the computer C:/Users/<your name>, the <RSU file path> is just the RSU filename, as shown in the example. ●...
Page 59 ® Firmware update R&S NRPxTWG(N) Updating the firmware In a (pseudo) string notation, the memory block looks like this: SYST:FWUP #810242884<file_contents>0x0a, User Manual 1178.8371.02 ─ 19...
Page 60: Remote Control Commands
® Remote control commands R&S NRPxTWG(N) Conventions used in SCPI command descriptions 8 Remote control commands In the following, all implemented commands are listed according to the command sys- tem and then described in detail. Mostly, the notation used complies with SCPI specifi- cations.
Page 61: Common Commands
® Remote control commands R&S NRPxTWG(N) Common commands lower case, SCPI defines the meaning. An example is milli (m) and mega (M). In SCPI, M means milli for all units except Hz and Ohm - MHZ means mega Hz, 10 Table 8-1: SCPI prefixes Factor SI name...
Page 62: Ese
® Remote control commands R&S NRPxTWG(N) Common commands ● Standard event register (ESR) ● EVENt part of the QUEStionable and the OPERation register ● Error/event queue The command does not alter the ENABle and TRANsition parts of the registers. Usage: Event *ESE <register>...
Page 63: Opt
® Remote control commands R&S NRPxTWG(N) Common commands Sets bit 0 in the event status register when all preceding commands have been execu- ted. Send this command at the end of a program message. It is important that the read timeout is set sufficiently long.
Page 64: Sav
® Remote control commands R&S NRPxTWG(N) Common commands Manual operation: "RST" on page 52 *SAV <number> Save Stores the current device state under the specified number. 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 65: Preparing For The Measurement
® Remote control commands R&S NRPxTWG(N) Preparing for the measurement *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 8.3 Preparing for the measurement Before starting a measurement, you need to do the following: ●...
Page 66: Controlling The Measurement
® Remote control commands R&S NRPxTWG(N) Controlling the measurement [SENSe<Sensor>:]FUNCtion <function> Sets the measurement mode. Suffix: <Sensor> Parameters: <function> "POWer:AVG" Continuous average mode Section 8.5.1, "Continuous average measurement", on page 79. *RST: "POWer:AVG" 8.4 Controlling the measurement The sensor offers a bunch of possibilities to control the measurement: ●...
Page 67: Triggering
® Remote control commands R&S NRPxTWG(N) Controlling the measurement Usage: Event INITiate:ALL INITiate[:IMMediate] Starts a single measurement cycle. The sensor changes from the idle state to the wait- ing for trigger state. When the trigger condition is fulfilled, the sensor begins the mea- surement.
Page 68 ® Remote control commands R&S NRPxTWG(N) Controlling the measurement Further information: ● Section 8.4.5, "Configuring the trigger", on page 73 8.4.2.1 Trigger states The sensor has trigger states to define the exact start and stop time of a measurement and the sequence of a measurement cycle. The following states are defined: ●...
Page 69 ® Remote control commands R&S NRPxTWG(N) Controlling the measurement Trigger source Description Remote commands to initiate the measurement "Internal" Uses the input signal as the trigger signal. TRIGger:IMMediate "External 1" Uses the digital input signal supplied using a dif- TRIGger:IMMediate ferential pair in the 8–pin sensor cable.
Page 70: Controlling The Measurement Results
® Remote control commands R&S NRPxTWG(N) Controlling the measurement 8.4.2.5 Holdoff time During the holdoff time, a period after a trigger event, all trigger events are ignored. 1 = Holdoff time 2 = Trigger hysteresis 3 = Trigger level 8.4.3 Controlling the measurement results The sensor can cope with the wide range of measurement scenarios with the help of the "termination control".
Page 71: Interplay Of The Controlling Mechanisms
® Remote control commands R&S NRPxTWG(N) Controlling the measurement 8.4.4 Interplay of the controlling mechanisms In the following examples, continuous measurement scenarios are used. But these scenarios also apply to single measurements. The only difference is that a single mea- surement is not repeated.
Page 72 ® Remote control commands R&S NRPxTWG(N) 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: ON).
Page 73: Configuring The Trigger
® Remote control commands R&S NRPxTWG(N) Controlling the measurement Example: Average count = 1 [SENSe<Sensor>:]AVERage:COUNt For average count 1, the setting of the termination control has no impact. In both cases, the measurement runs for the duration of one aperture time. Then, settled data is available, and the sensor returns to the idle state.
Page 74: Trigger:atrigger:executed
® Remote control commands R&S NRPxTWG(N) Controlling the measurement Sets the delay between the artificial trigger event and the beginning of the actual mea- surement Parameters: <delay> Range: 0.1 s to 5.0 s *RST: 2.0 s Default unit: s TRIGger:ATRigger:EXECuted? Queries the number of measurements that were triggered automatically since was set to ON.
Page 75: Trigger:delay
® Remote control commands R&S NRPxTWG(N) Controlling the measurement TRIGger:DELay <delay> Sets the delay between the trigger event and the beginning of the actual measurement (integration). Parameters: <delay> Range: -5.0 s to 10.0 s *RST: 0.0 s Default unit: s Manual operation: "Trigger Delay"...
Page 76: Trigger:holdoff
® Remote control commands R&S NRPxTWG(N) Controlling the measurement HIGH ~10 kΩ 50 Ω *RST: HIGH TRIGger:HOLDoff <holdoff> Sets the holdoff time, see Section 8.4.2.5, "Holdoff time", on page 70. Parameters: <holdoff> Range: 0.00 s to 10.00 s *RST: 0.00 s Default unit: s Manual operation: "Holdoff"...
Page 77: Trigger:level:unit
® Remote control commands R&S NRPxTWG(N) Controlling the measurement If the S-parameter and/or the offset correction are enabled, the trigger threshold is ref- erenced to the correction data. If the S-parameter and/or the offset correction are disabled, the trigger threshold and its input limits are adjusted as necessary.
Page 78: Trigger:sender:state
® Remote control commands R&S NRPxTWG(N) Controlling the measurement TRIGger:SENDer:STATe <state> Enables or disables the trigger sender mode of the sensor. In this state, the sensor can output a digital trigger signal in sync with its own trigger event. If enabled, select the output port for the trigger signal using TRIGger:SENDer:PORT. Typically, the trigger sender uses its internal trigger source.
Page 79: Configuring The Measurement Modes
® Remote control commands R&S NRPxTWG(N) Configuring the measurement modes Parameters: <sync_port> EXT1 | EXTernal1 | EXT2 | EXTernal2 *RST: EXT1 TRIGger:SYNC:STATe <state> Available if IMMediate is set. TRIGger:SOURce Enable the synchronization state if you want to synchronize several sensors connected to a base unit.
Page 80 ® Remote control commands R&S NRPxTWG(N) Configuring the measurement modes Further information: ● Section 8.8, "Querying measurement results", on page 104 8.5.1.1 Defining the sampling window [SENSe<Sensor>:][POWer:][AVG:]APERture <integration_time> Sets the duration of the sampling window. During this time interval, the average signal power is measured.
Page 81: Configuring Basic Measurement Parameters
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters With smoothing activated, the selected sampling window has to be 5 to 9 times larger than the modulation period so that the fluctuations caused by modulation are suffi- ciently reduced. The sampling values are subjected to weighting (raised-von-Hann win- dow), which corresponds to video filtering.
Page 82 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters [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 obtain a measured value. Average count is often also called averaging factor, but it designates the same thing, i.e.
Page 83 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Parameters: <maximum_time> Range: 0.01 s to 999.99 s *RST: 4.00 s Default unit: s Manual operation: "Auto Measurement Time" on page 48 [SENSe<Sensor>:]AVERage:COUNt:AUTO:NSRatio <nsr> Determines the relative noise component in the measurement result for the measure- ment modes with scalar results.
Page 84 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Suffix: <Sensor> Parameters: <type> RESolution | NSRatio RESolution Usually used. NSRatio Predefines the compliance to an exactly defined noise compo- nent. Enter this value using [SENSe<Sensor>:]AVERage: COUNt:AUTO:NSRatio. *RST: RESolution Manual operation: "<Mode>"...
Page 85: Setting The Frequency
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Parameters: <state> *RST: Manual operation: "<Mode>" on page 44 [SENSe<Sensor>:]AVERage:TCONtrol <mode> Defines how the measurement results are output. This is called termination control. See also Section 8.4.3, "Controlling the measurement results", on page 70.
Page 86: Configuring Corrections
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Parameters: <frequency> Range: 0.0 Hz to Depends on the model. See the specifi- cations document. *RST: 50.0e6 Hz Default unit: Hz Example: FREQ 18000000 Manual operation: "Frequency" on page 43 8.6.3 Configuring corrections It is possible to set some parameters that compensate for a change of the measured signal due to fixed external influences.
Page 87: Offset Corrections
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters [SENSe<Sensor>:]CORRection:DCYCle:STATe <state> Enables or disables the duty cycle correction for the measured value. Suffix: <Sensor> Parameters: <state> *RST: Manual operation: "Duty Cycle" on page 45 8.6.3.2 Offset corrections The offset accounts for external losses by adding a fixed level offset in dB. The attenuation of an attenuator located ahead of the sensor (or the coupling attenua- tion of a directional coupler) is considered with a positive offset.
Page 88: S-Parameter Correction
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Manual operation: "<State>" on page 44 8.6.3.3 S-parameter correction S-parameter correction compensates for the losses and reflections introduced by a component — such as an attenuator, directional coupler, or matching pad — that is attached to a sensor.
Page 89: S-Gamma Corrections
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Suffix: <Sensor> Parameters: <state> *RST: OFF; can differ if a calibration set defines another value. Example: CORR:SPD:SEL 1 Selects an S-parameter correction data set. CORR:SPD:STAT ON Enables the S-parameter correction. 8.6.3.4 S-gamma corrections Using the complex reflection coefficient, you can determine the power P delivered by...
Page 90 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Source Sensor - parameter device and sensor Figure 8-3: Correction of interactions between signal source, S 1 = Signal source 2 = S-parameter device 3 = Sensor Remote commands: ..............90 [SENSe<Sensor>:]SGAMma:CORRection:STATe ................
Page 91: I-Gamma Queries
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Suffix: <Sensor> Parameters: <phase> Range: -360.0 degrees to 360.0 degrees *RST: 0.0 degrees Default unit: degrees Manual operation: "Phase" on page 47 8.6.3.5 I-gamma queries For the current frequency, queries the complex input reflection coefficient Γ of the fol- lowing: ●...
Page 92: Using The S-Parameters Program
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters [SENSe<Sensor>:]IGAMma:EUNCertainty? Queries the expanded (k = 2) uncertainty of the magnitude of the complex input reflec- tion coefficient Γ . Following gamma correction, the residual mismatch uncertainty becomes so small that it is practically negligible. Suffix: <Sensor>...
Page 93: Menu Bar
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters User interface of the S-Parameters program Figure 8-4: S-Parameters dialog Menu bar........................93 └ File........................93 └ Sensor......................94 └ Device......................94 └ Options......................94 └ User Data....................94 └ Remote....................94 └ Show Cal.
Page 94: Sensor
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Sensor ← Menu bar Provides options for loading and saving calibration data directly from or to the sensor, see: ● "To load a calibration data set from a sensor" on page 96 ●...
Page 95: Global Flags
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Figure 8-5: Example Global Flags Groups the settings for the sensor behavior regarding S-parameter corrections. S-Parameter Correction ON by Default ← Global Flags If this option is enabled, the S-parameter correction is activated automatically when the sensor is started.
Page 96: Use Flags In Factory Cal. Data Set
® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters Use Flags in Factory Cal. Data Set ← Global Flags Available if the sensor supports two different calibration data sets: ● Factory calibration data set containing all factory calibration data. ●...
Page 97 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters The "Upload Calibration Data" dialog opens. It shows a list of the available sen- sors. 3. If you cannot find your sensor in the list, for example because of reconnecting the sensor, you can reload the list by clicking "Rebuild List".
Page 98 ® Remote control commands R&S NRPxTWG(N) 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 99 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters 5. If needed, load uncertainty data. See "To load an uncertainty parameter file" on page 99. 6. Check the entries in the "S-Parameter Device Mnemonic", "Lower Power Limit/W" and "Upper Power Limit/W" fields 7.
Page 100 ® Remote control commands R&S NRPxTWG(N) Configuring basic measurement parameters To save the calibration data on the sensor 1. Select "Sensor" > "Save Calibration Data". The "Download Calibration Data" dialog opens. 2. Confirm that the correct sensor is selected by clicking "Download". After a successful transfer of the data to the sensor, a confirmation message is dis- played.
Page 101 ® Remote control commands R&S NRPxTWG(N) 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 102: Configuring Measurement Results
® Remote control commands R&S NRPxTWG(N) Configuring measurement results – <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> This value is ignored in uncertainty measurement files.
Page 103: Setting The Result Format
® Remote control commands R&S NRPxTWG(N) Configuring measurement results 8.7.2 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 sensors if high-level mea- surement commands are used. Remote commands: ......................103 FORMat:BORDer...
Page 104: Querying Measurement Results
® Remote control commands R&S NRPxTWG(N) Querying measurement results [,0 to 12] Defines the number of decimal places. The reset value 0 does not restrict the number of decimal pla- ces. Example for ASCii,4 format: 1.2938e-06, -4.7269e-11, ... *RST: ASCii,0 FORMat:SREGister <sregister>...
Page 105 ® Remote control commands R&S NRPxTWG(N) Querying measurement results FETCh<Sensor>[:SCALar][:POWer][:AVG]? Queries the last valid measurement result of the measurand that was configured before. Suffix: <Sensor> Usage: Query only [SENSe<Sensor>:][POWer:][AVG:]BUFFer:CLEar Clears the contents of the result buffer. Suffix: <Sensor> BUFF:CLE Example: Usage: Event [SENSe<Sensor>:][POWer:][AVG:]BUFFer:COUNt?
Page 106: Calibrating, Zeroing
® Remote control commands R&S NRPxTWG(N) Calibrating, zeroing Parameters: <count> Range: 1 to 8192 *RST: Example: BUFF:SIZE 1 Section 9.2, "Performing a buffered continuous average measurement", on page 128. [SENSe<Sensor>:][POWer:][AVG:]BUFFer:STATe <state> Enables or disables a buffered continuous average measurement. If enabled, the sen- sor collects all results generated by trigger events until the buffer is filled.
Page 107 ® Remote control commands R&S NRPxTWG(N) Calibrating, zeroing ....................108 CALibration:USER:DATA .................. 108 CALibration:USER:DATA:LENGth? ................108 CALibration<Channel>:ZERO:AUTO CALibration:DATA <caldata> Writes a binary calibration data set in the memory of the sensor. Parameters: <caldata> <block_data> Block of binary calibration data, structured in a so-called "SCPI definite length block".
Page 108 ® Remote control commands R&S NRPxTWG(N) Calibrating, zeroing CALibration:TEST:REFerence? The thermal sensors are equipped with an additional test heater. Queries the reference value of the power difference when measuring with the external heater enabled and disabled. The reference value is determined during the calibration process and stored in the calibration data set.
Page 109: Running A Self-Test
® Remote control commands R&S NRPxTWG(N) Configuring the system Suffix: <Channel> 1 to 4 Measurement channel if more than one channel is available. Parameters: <state> ONCE Only valid parameter for this command. Return value if no calibration is in progress. Example: *CLS CAL1:ZERO:AUTO ONCE...
Page 110: Preset And Initialize
® Remote control commands R&S NRPxTWG(N) Configuring the system 8.11.1 Preset and initialize ......................110 SYSTem:PRESet ......................110 SYSTem:INITialize SYSTem:PRESet Resets the sensor. The command essentially corresponds to the *RST command, with the exception that the settings of the following commands are persistently held: on page 67 INITiate:CONTinuous on page 85...
Page 111: Password Management
® Remote control commands R&S NRPxTWG(N) Configuring the system SYSTem:FWUPdate <fwudata> Loads new operating firmware into the sensor. Rohde & Schwarz provides the update file. For further details, see Section 7, "Firmware update", on page 54. If you want to integrate a firmware update function in an application, see the example given in Section 7.2.4, "Using remote control",...
Page 112: Network Settings
® Remote control commands R&S NRPxTWG(N) Configuring the system We recommend that you change the preconfigured instrument password before con- necting the sensor to a network................112 SYSTem:SECurity:PASSword:SECurity ................112 SYSTem:SECurity:PASSword:USER SYSTem:SECurity:PASSword:SECurity <passwd1>, <passwd2> Sets a new security password. The command is restricted to remote control over the USB interface (USBTMC).
Page 113 ® Remote control commands R&S NRPxTWG(N) Configuring the system ................. 115 SYSTem:COMMunicate:NETWork:RESet ..............115 SYSTem:COMMunicate:NETWork:RESTart ..............116 SYSTem:COMMunicate:NETWork:STATus? SYSTem:COMMunicate:NETWork[:COMMon]:DOMain <domain> Requires a sensor with networking capabilities, a LAN sensor. Sets the domain of the network. Parameters: <domain> Example: SYST:COMM:NETW:COMM:DOM 'ABC.DE' Sets ABC.DE as domain of the network. SYSTem:COMMunicate:NETWork[:COMMon]:HOSTname <hostname>...
Page 114 ® Remote control commands R&S NRPxTWG(N) Configuring the system Setting parameters: <value> "<mode>,<IP address>,<subnet mask>,<gateway>" The string has to start with <mode> = STAT. Otherwise, it is ignored. <IP address> see SYSTem:COMMunicate:NETWork: on page 114. IPADdress <subnet mask> see SYSTem:COMMunicate:NETWork: on page 115.
Page 115 ® Remote control commands R&S NRPxTWG(N) Configuring the system Queries the network status information. Usage: Query only SYSTem:COMMunicate:NETWork:IPADdress:MODE <mode> Requires a sensor with networking capabilities, a LAN sensor. Sets how the IP address is assigned. Parameters: <mode> AUTO | STATic AUTO Assigns the IP address automatically, provided the network sup- ports DHCP.
Page 116: Remote Settings
® Remote control commands R&S NRPxTWG(N) Configuring the system Restarts the network connection to the DUT that means terminates the connection and sets it up again. Example: SYST:COMM:NETW:REST Usage: Event SYSTem:COMMunicate:NETWork:STATus? Requires a sensor with networking capabilities, a LAN sensor. Queries the network configuration state.
Page 117 ® Remote control commands R&S NRPxTWG(N) Configuring the system SYSTem:HELP:SYNTax:ALL? Queries the implemented SCPI commands and their parameters. Returns the result as a block data. Usage: Query only SYSTem:LANGuage <language> Selects an emulation of a different command set. Parameters: <language> SCPI *RST: SCPI...
Page 118: Sensor Information
® Remote control commands R&S NRPxTWG(N) Configuring the system SYSTem:TRANsaction:END Ends a series of settings. Usage: Event SYSTem:VERSion? Queries the SCPI version that the command set of the sensor complies with. Example: SYST:VERS? Query 1999.0 Response: SCPI version from 1999. Usage: Query only 8.11.7 Sensor information...
Page 119 ® Remote control commands R&S NRPxTWG(N) Configuring the system Return values: <XmlDeviceFootprint><dblock> Usage: Query only SYSTem:INFO? [<item>] Queries information about the sensor. If queried without parameters, the command returns all available information in the form of a list of strings separated by commas. If you want to query specific information, add the query parameter: SYST:INFO? "<string>"...
Page 120: Status Display And Update
® Remote control commands R&S NRPxTWG(N) Configuring the system 8.11.8 Status display and update See also Section 4.2, "Status information", on page 31....................... 120 SYSTem:LED:COLor ......................120 SYSTem:LED:MODE ......................120 SYSTem:RUTime ......................121 SYSTem:SUTime SYSTem:LED:COLor <color> Effective if the status LED is user-controlled, see SYSTem:LED:MODE USER.
Page 121: Measurement Limits And Levels
® Remote control commands R&S NRPxTWG(N) Configuring the system Parameters: <update_time> Range: 0.0 s to 10.0 s *RST: 0.1 s Default unit: s SYSTem:SUTime <update_time> Effective only in the NRP legacy mode. Relevant only in continuous measurement mode, INITiate:CONTinuousON. Sets the status update time. The status update time is the maximum rate in which the sensor can output measurement results.
Page 122: Errors
® Remote control commands R&S NRPxTWG(N) Configuring the system 8.11.10 Errors See also Section 11.2, "Error messages", on page 150......................122 SYSTem:ERRor:ALL? ..................122 SYSTem:ERRor:CODE:ALL? ..................122 SYSTem:ERRor:CODE[:NEXT]? ....................123 SYSTem:ERRor:COUNt? ....................123 SYSTem:ERRor[:NEXT]? ......................123 SYSTem:SERRor? ................... 123 SYSTem:SERRor:LIST:ALL? ..................124 SYSTem:SERRor:LIST[:NEXT]? SYSTem:ERRor:ALL? Queries all unread entries in the SCPI communication error queue and removes them from the queue.
Page 123 ® Remote control commands R&S NRPxTWG(N) Configuring the system Example: SYST:ERR:CODE? Query Response: No errors have occurred since the error queue was last read out. Usage: Query only SYSTem:ERRor:COUNt? Queries the number of entries in the SCPI communication error queue. Example: SYST:ERR:COUN? Query...
Page 124: Using The Status Register
® Remote control commands R&S NRPxTWG(N) Using the status register Example: SYST:SERR:LIST:ALL? Query 0,"reported at uptime:2942; notice; auto-averaging exceeded maximum time; Notification",0,"removed at uptime:2944; notice; auto-averaging exceeded maximum time; Notification" Response Usage: Query only SYSTem:SERRor:LIST[:NEXT]? Queries the list of static error changes for the oldest entry and removes it from the queue.
Page 125: Reading The Condition Part
® Remote control commands R&S NRPxTWG(N) Using the status register Usage: Event STATus:QUEue[:NEXT]? Queries the most recent error queue entry and deletes it. Positive error numbers indicate sensor-specific errors. Negative error numbers are error messages defined by SCPI. If the error queue is empty, the error number 0, "No error", is returned. Usage: Query only 8.12.2 Reading the CONDition part...
Page 126: Controlling The Enable Part
® Remote control commands R&S NRPxTWG(N) Using the status register 8.12.4 Controlling the ENABle part STATus:DEVice:ENABle <value> STATus:OPERation:CALibrating:ENABle <value> STATus:OPERation:ENABle <value> STATus:OPERation:LLFail:ENABle <value> STATus:OPERation:MEASuring:ENABle <value> STATus:OPERation:SENSe:ENABle <value> STATus:OPERation:TRIGger:ENABle <value> STATus:OPERation:ULFail:ENABle <value> STATus:QUEStionable:CALibration:ENABle <value> STATus:QUEStionable:ENABle <value> STATus:QUEStionable:POWer:ENABle <value> STATus:QUEStionable:WINDow:ENABle <value> Parameters: <value>...
Page 127 ® Remote control commands R&S NRPxTWG(N) Using the status register STATus:QUEStionable:POWer:PTRansition <value> STATus:QUEStionable:WINDow:PTRansition <value> Parameters: <value> *RST: 65535 User Manual 1178.8371.02 ─ 19...
Page 128: Performing Measurement Tasks - Programming Examples
® Performing measurement tasks - programming examples R&S NRPxTWG(N) Performing a buffered continuous average measurement 9 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 Section 5.1, "R&S NRP‑Toolkit", on page 34.
Page 129 ® Performing measurement tasks - programming examples R&S NRPxTWG(N) 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 130 ® Performing measurement tasks - programming examples R&S NRPxTWG(N) 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 131: Remote Control Basics
® Remote control basics R&S NRPxTWG(N) Remote control interfaces and protocols 10 Remote control basics For general information on remote control of Rohde & Schwarz products via SCPI, refer to www.rohde-schwarz.com/rc-via-scpi. 10.1 Remote control interfaces and protocols For remote control, communication between the sensors and the controlling host is established based on various interfaces and protocols.
Page 132 ® Remote control basics R&S NRPxTWG(N) Remote control interfaces and protocols USB resource string The VISA resource string for USBTMC device communication represents an address- ing scheme that is used to establish a communication session with the product. It is based on the product address and some product- and vendor-specific information.
Page 133: Ethernet Interface
® Remote control basics R&S NRPxTWG(N) Remote control interfaces and protocols VISA detects and configures the product automatically when the USB connection is established. ● USB device drivers Apart from the USB device drivers that come with the installation of the R&S NRP‑Toolkit, you do not have to install a separate driver.
Page 134 ® Remote control basics R&S NRPxTWG(N) Remote control interfaces and protocols 10.1.2.3 VISA resource strings The VISA resource string is required to establish a communication session between the controller and the product in a LAN. The resource string is a unique identifier, com- posed of the specific IP address of the product and some network and VISA-specific keywords.
Page 135: Status Reporting System
® Remote control basics R&S NRPxTWG(N) Status reporting system Socket communication TCPIP::<IP address or host name>::port::SOCKET ● port determines the used port number. ● SOCKET indicates the raw network socket resource class. Socket communication requires the specification of the port (commonly referred to as port number) and of SOCKET to complete the VISA resource string with the associated protocol used.
Page 136 ® Remote control basics R&S NRPxTWG(N) Status reporting system 1 = Status byte, see Table 10-2 Section 10.2.2, "Device status register", on page 137 Section 10.2.3, "Questionable status register", on page 138 Section 10.2.4, "Standard event status and enable register (ESR, ESE)", on page 141 Section 10.2.5, "Operation status...
Page 137: Device Status Register
® Remote control basics R&S NRPxTWG(N) Status reporting system Further information: ● Figure 10-1. ● Set and read the service request enable register using *SRE. 10.2.2 Device status register Shows whether static errors (SERR) exist and other sensor status information. Sum of bits 1 to 4 Measurement not possible Erroneous result...
Page 138: Questionable Status Register
® Remote control basics R&S NRPxTWG(N) Status reporting system Bit no. Short description Bit is set if Critical Critical static error exists. The status LED of the sensor is fast flashing red. Legacy locked state The sensor is locked in the NRP legacy mode. Via the SCPI channels (USBTMC or TCP/IP), only query commands can be sent, but no setting commands.
Page 139 ® Remote control basics R&S NRPxTWG(N) Status reporting system Power summary Calibration summary POST failure (self test) Figure 10-3: Questionable status register Querying the register: ● STATus:QUEStionable:CONDition? ● STATus:QUEStionable[:EVENt]? Table 10-4: Used questionable status bits and their meaning Bit no. Short description Bit is set if Power summary...
Page 140 ® Remote control basics R&S NRPxTWG(N) Status reporting system Sensor measurement corrupt Sensor zeroing needed Figure 10-4: Questionable power status register Querying the register: ● STATus:QUEStionable:POWer:CONDition? ● STATus:QUEStionable:POWer[:SUMMary][:EVENt]? Table 10-5: Used questionable power status bits and their meaning Bit no. Short description Bit is set if Sensor measurement corrupt...
Page 141: Standard Event Status And Enable Register (Esr, Ese)
® Remote control basics R&S NRPxTWG(N) Status reporting system Sensor calibration failed Figure 10-5: Questionable calibration status register Querying the register: ● STATus:QUEStionable:CALibration:CONDition? ● STATus:QUEStionable:CALibration[:SUMMary][:EVENt]? Table 10-6: Used questionable calibration status bits and their meaning Bit no. Short description Bit is set if Sensor calibration failed Zeroing of the sensor was not successful.
Page 142: Operation Status Register
® Remote control basics R&S NRPxTWG(N) Status reporting system Operation Complete Query Error Device-Dependent Error Execution Error Command Error User Request Power On Figure 10-6: Standard event status register (ESR) Table 10-7: Used standard event status bits and their meaning Bit no.
Page 143 ® Remote control basics R&S NRPxTWG(N) Status reporting system Calibrating Measuring Triggering Sense summary Lower limit fail Upper limit fail Figure 10-7: Operation status register Querying the register: ● STATus:OPERation:CONDition? ● STATus:OPERation[:EVENt]? Table 10-8: Used operation status bits and their meaning Bit no.
Page 144 ® Remote control basics R&S NRPxTWG(N) Status reporting system Sensor calibrating Figure 10-8: Operation calibrating status register Querying the register: ● STATus:OPERation:CALibrating:CONDition? ● STATus:OPERation:CALibrating[:SUMMary][:EVENt]? Table 10-9: Used operation calibrating status bits and their meaning Bit no. Short description Bit is set if Sensor calibrating Sensor is being calibrated.
Page 145 ® Remote control basics R&S NRPxTWG(N) Status reporting system Sensor measuring Figure 10-9: Operation measuring status register Querying the register: ● STATus:OPERation:MEASuring:CONDition? ● STATus:OPERation:MEASuring[:SUMMary][:EVENt]? Table 10-10: Used operation measuring status bits and their meaning Bit no. Short description Bit is set if Sensor measuring Sensor is measuring.
Page 146 ® Remote control basics R&S NRPxTWG(N) Status reporting system Sensor waiting for trigger Figure 10-10: Operation trigger status register Querying the register: ● STATus:OPERation:TRIGger:CONDition? ● STATus:OPERation:TRIGger[:SUMMary][:EVENt]? Table 10-11: Used operation trigger status bits and their meaning Bit no. Short description Bit is set if Sensor waiting for trigger Sensor is waiting for a trigger event.
Page 147 ® Remote control basics R&S NRPxTWG(N) Status reporting system Sensor initializing Figure 10-11: Operation sense status register Querying the register: ● STATus:OPERation:SENSe:CONDition? ● STATus:OPERation:SENSe[:SUMMary][:EVENt]? Table 10-12: Used operation sense status bits and their meaning Bit no. Short description Bit is set if Sensor initializing Sensor is being initialized.
Page 148 ® Remote control basics R&S NRPxTWG(N) Status reporting system Lower limit fail Figure 10-12: Operation lower limit fail status registers Querying the register: ● STATus:OPERation:LLFail:CONDition? ● STATus:OPERation:LLFail[:SUMMary][:EVENt]? Table 10-13: Used operation lower limit fail status bits and their meaning Bit no. Short description Bit is set if Lower limit fail...
Page 149 ® Remote control basics R&S NRPxTWG(N) Status reporting system Upper limit fail Figure 10-13: Operation upper limit fail status registers Querying the register: ● STATus:OPERation:ULFail:CONDition? ● STATus:OPERation:ULFail[:SUMMary][:EVENt]? Table 10-14: Used operation upper limit fail status bits and their meaning Bit no. Short description Bit is set if Upper limit fail...
Page 150: Troubleshooting
® Troubleshooting R&S NRPxTWG(N) Error messages 11 Troubleshooting ● Displaying status information................150 ● Error messages.....................150 ● Performing a self-test.................... 151 ● Problems during a firmware update..............151 ● Cannot establish a LAN connection..............152 ● Contacting customer support................152 11.1 Displaying status information Status information is available in several ways.
Page 151: Performing A Self-Test
® Troubleshooting R&S NRPxTWG(N) Problems during a firmware update You can query the error queue using: ● SYSTem:ERRor:ALL? ● SYSTem:ERRor:COUNt? ● SYSTem:ERRor[:NEXT]? If you want to look only at static errors, use: ● SYSTem:SERRor? ● SYSTem:SERRor:LIST[:NEXT]? 11.3 Performing a self-test The self-test gives you detailed information that you can use for troubleshooting.
Page 152: Cannot Establish A Lan Connection
® Troubleshooting R&S NRPxTWG(N) Contacting customer support Sensor is highlighted in the Windows device manager If the sensor is highlighted by a yellow exclamation mark in the Windows device man- ager, Windows tries in vain to find a USB driver for the sensor. ►...
Page 153 ® Troubleshooting R&S NRPxTWG(N) Contacting customer support Contact information Contact our customer support center at www.rohde-schwarz.com/support, or follow this QR code: Figure 11-1: QR code to the Rohde & Schwarz support page User Manual 1178.8371.02 ─ 19...
Page 154: Transporting
® Transporting R&S NRPxTWG(N) 12 Transporting Packing Use the original packaging material. It consists of antistatic wrap for electrostatic pro- tection and packing material designed for the product. If you do not have the original packaging, use similar materials that provide the same level of protection.
Page 155: Maintenance, Storage And Disposal
® Maintenance, storage and disposal R&S NRPxTWG(N) Disposal 13 Maintenance, storage and disposal Check the nominal data from time to time. 13.1 Cleaning 1. Disconnect the R&S NRPxTWG(N): a) From the DUT. b) From the computer or the base unit. 2.
Page 156 ® Maintenance, storage and disposal R&S NRPxTWG(N) Disposal Disposing of 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 life. Even disposal via the municipal collection points for waste electrical and electronic equipment is not permitted.
Page 157: List Of Commands
® List of commands R&S NRPxTWG(N) List of commands [SENSe<Sensor>:][POWer:][AVG:]APERture....................80 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:CLEar..................105 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:COUNt?..................105 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:DATA?..................105 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:SIZE..................105 [SENSe<Sensor>:][POWer:][AVG:]BUFFer:STATe..................106 [SENSe<Sensor>:][POWer:][AVG:]SMOothing:STATe..................80 [SENSe<Sensor>:]AVERage:COUNt......................82 [SENSe<Sensor>:]AVERage:COUNt:AUTO....................82 [SENSe<Sensor>:]AVERage:COUNt:AUTO:MTIMe..................82 [SENSe<Sensor>:]AVERage:COUNt:AUTO:NSRatio..................83 [SENSe<Sensor>:]AVERage:COUNt:AUTO:RESolution................83 [SENSe<Sensor>:]AVERage:COUNt:AUTO:TYPE..................83 [SENSe<Sensor>:]AVERage:RESet........................84 [SENSe<Sensor>:]AVERage:TCONtrol......................85 [SENSe<Sensor>:]AVERage[:STATe]......................84 [SENSe<Sensor>:]CORRection:DCYCle......................86 [SENSe<Sensor>:]CORRection:DCYCle:STATe..................... 87 [SENSe<Sensor>:]CORRection:OFFSet......................87 [SENSe<Sensor>:]CORRection:OFFSet:STATe..................... 87 [SENSe<Sensor>:]CORRection:SPDevice:LIST?...................
Page 158 ® List of commands R&S NRPxTWG(N) *WAI.................................65 ABORt................................66 CALibration:DATA............................107 CALibration:DATA:LENGth?.......................... 107 CALibration:TEST:DEViation?........................107 CALibration:TEST:REFerence?........................108 CALibration:TEST?............................107 CALibration:USER:DATA..........................108 CALibration:USER:DATA:LENGth?....................... 108 CALibration<Channel>:ZERO:AUTO......................108 FETCh<Sensor>:ARRay[:POWer][:AVG]?....................104 FETCh<Sensor>[:SCALar][:POWer][:AVG]?....................105 FORMat:BORDer............................103 FORMat:SREGister............................104 FORMat[:DATA]............................. 103 INITiate:ALL..............................67 INITiate:CONTinuous............................67 INITiate[:IMMediate]............................67 STATus:DEVice:CONDition?......................... 125 STATus:DEVice:ENABle..........................126 STATus:DEVice:NTRansition.........................126 STATus:DEVice:PTRansition.........................
Page 159 ® List of commands R&S NRPxTWG(N) STATus:OPERation:TRIGger:PTRansition....................126 STATus:OPERation:TRIGger[:SUMMary][:EVENt]?..................125 STATus:OPERation:ULFail:CONDition?......................125 STATus:OPERation:ULFail:ENABle.......................126 STATus:OPERation:ULFail:NTRansition....................... 126 STATus:OPERation:ULFail:PTRansition......................126 STATus:OPERation:ULFail[:SUMMary][:EVENt]?..................125 STATus:OPERation[:EVENt]?........................125 STATus:PRESet.............................124 STATus:QUEStionable:CALibration:CONDition?...................125 STATus:QUEStionable:CALibration:ENABle....................126 STATus:QUEStionable:CALibration:NTRansition..................126 STATus:QUEStionable:CALibration:PTRansition..................126 STATus:QUEStionable:CALibration[:SUMMary][:EVENt]?................125 STATus:QUEStionable:CONDition?.......................125 STATus:QUEStionable:ENABle........................126 STATus:QUEStionable:NTRansition......................126 STATus:QUEStionable:POWer:CONDition?....................125 STATus:QUEStionable:POWer:ENABle......................126 STATus:QUEStionable:POWer:NTRansition....................126 STATus:QUEStionable:POWer:PTRansition....................127 STATus:QUEStionable:POWer[:SUMMary][:EVENt]?...................
Page 160 ® List of commands R&S NRPxTWG(N) SYSTem:FWUPdate:STATus?........................111 SYSTem:HELP:HEADers?..........................116 SYSTem:HELP:SYNTax:ALL?........................117 SYSTem:HELP:SYNTax?..........................116 SYSTem:INFO?..............................119 SYSTem:INITialize............................110 SYSTem:LANGuage............................117 SYSTem:LED:COLor............................. 120 SYSTem:LED:MODE............................. 120 SYSTem:MINPower:UNIT..........................121 SYSTem:MINPower?............................. 121 SYSTem:PARameters:DELTa?........................117 SYSTem:PARameters?..........................117 SYSTem:PRESet............................110 SYSTem:REBoot............................110 SYSTem:RESTart............................110 SYSTem:RUTime............................120 SYSTem:SECurity:PASSword:SECurity......................112 SYSTem:SECurity:PASSword:USER......................112 SYSTem:SERRor:LIST:ALL?......................... 123 SYSTem:SERRor:LIST[:NEXT]?........................124 SYSTem:SERRor?............................123 SYSTem:SUTime............................121 SYSTem:TLEVels?............................121 SYSTem:TRANsaction:BEGin........................117 SYSTem:TRANsaction:END..........................
Page 161: Index
® Index R&S NRPxTWG(N) Index Android device Device status register ............137 R&S Power Viewer Mobile .......... 40 Diagnostics Selftest ..............151 Application cards ............... 13 Application notes ............... 13 Disconnecting Auto averaging ..............81 Host interface .............. 18 RF ................17 Disposal ................
Page 162 ® Index R&S NRPxTWG(N) Installation R&S NRPV ..............38 Firmware ..............54 R&S NRX ..............38 Instrument security procedures ......... 12 R&S Power Viewer ............. 39 Intended use ............... 9 Remote control ............37 Interface Web user interface ............37 Overview ..............
Page 163 ® Index R&S NRPxTWG(N) Ethernet interface ............. 133 Status register ..............124 Interfaces ..............131 CONDition part ............125 LAN interface ............133 Device status register ..........137 Measurement mode ............ 79 ENABle part .............. 126 Preparing for measurement ........65 Enable register ............
Page 164 ® Index R&S NRPxTWG(N) Web user interface ............37, 41 Main dialog ..............41 See web user interface ..........41 White papers ..............13 Zero configuration networking ........... 27 Zeroing ................106 User Manual 1178.8371.02 ─ 19...

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