Rohde & Schwarz NRP-Z27 Operating Manual
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Rohde & Schwarz NRP-Z27 Operating Manual

Power sensor module
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Operating Manual
Power Sensor Module
R&S
NRP-Z27
1169.4102.02
R&S
NRP-Z37
1169.3206.02
1169.3870.12-06-
Test and Measurement
1

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  • Page 1 Operating Manual Power Sensor Module  R&S NRP-Z27 1169.4102.02  R&S NRP-Z37 1169.3206.02 Test and Measurement 1169.3870.12-06-...
  • Page 2 Dear Customer, R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG Trade names are trademarks of the owners. 1169.3870.12-06-...
  • Page 3 Basic Safety Instructions Always read through and comply with the following safety instructions! All plants and locations of the Rohde & Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety. Our products and the auxiliary equipment they require are designed, built and tested in accordance with the safety standards that apply in each case.
  • Page 4 Basic Safety Instructions Symbol Meaning Symbol Meaning Warning! Hot surface Alternating current (AC) Protective conductor terminal Direct/alternating current (DC/AC) Ground Device fully protected by double (reinforced) insulation Ground terminal EU labeling for batteries and accumulators For additional information, see section "Waste disposal/Environmental protection", item 1.
  • Page 5 Basic Safety Instructions Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer, without the product's ventilation being obstructed. If the manufacturer's specifications are not observed, this can result in electric shock, fire and/or serious personal injury or death. Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed.
  • Page 6 Basic Safety Instructions 6. The product may be operated only from TN/TT supply networks fuse-protected with max. 16 A (higher fuse only after consulting with the Rohde & Schwarz group of companies). 7. Do not insert the plug into sockets that are dusty or dirty. Insert the plug firmly and all the way into the socket provided for this purpose.
  • Page 7 Basic Safety Instructions 2. Before you move or transport the product, read and observe the section titled "Transport". 3. As with all industrially manufactured goods, the use of substances that induce an allergic reaction (allergens) such as nickel cannot be generally excluded. If you develop an allergic reaction (such as a skin rash, frequent sneezing, red eyes or respiratory difficulties) when using a Rohde &...
  • Page 8 Basic Safety Instructions 2. Adjustments, replacement of parts, maintenance and repair may be performed only by electrical experts authorized by Rohde & Schwarz. Only original parts may be used for replacing parts relevant to safety (e.g. power switches, power transformers, fuses). A safety test must always be performed after parts relevant to safety have been replaced (visual inspection, protective conductor test, insulation resistance measurement, leakage current measurement, functional test).
  • Page 9 Instrucciones de seguridad elementales Waste disposal/Environmental protection 1. Specially marked equipment has a battery or accumulator that must not be disposed of with unsorted municipal waste, but must be collected separately. It may only be disposed of at a suitable collection point or via a Rohde &...
  • Page 10 Instrucciones de seguridad elementales Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentación del producto y dentro del margen de rendimiento definido (ver hoja de datos, documentación, informaciones de seguridad que siguen). El uso del producto hace necesarios conocimientos técnicos y ciertos conocimientos del idioma inglés.
  • Page 11 Instrucciones de seguridad elementales Símbolo Significado Símbolo Significado Aviso: Cuidado en el manejo de dispositivos Distintivo de la UE para la eliminación por sensibles a la electrostática (ESD) separado de dispositivos eléctricos y electrónicos Más información en la sección "Eliminación/protección del medio ambiente", punto 2.
  • Page 12 Instrucciones de seguridad elementales 1. Si no se convino de otra manera, es para los productos Rohde & Schwarz válido lo que sigue: como posición de funcionamiento se define por principio la posición con el suelo de la caja para abajo, modo de protección IP 2X, uso solamente en estancias interiores, utilización hasta 2000 m sobre el nivel del mar, transporte hasta 4500 m sobre el nivel del mar.
  • Page 13 Instrucciones de seguridad elementales 6. Solamente está permitido el funcionamiento en redes de alimentación TN/TT aseguradas con fusibles de 16 A como máximo (utilización de fusibles de mayor amperaje solo previa consulta con el grupo de empresas Rohde & Schwarz). 7.
  • Page 14 Instrucciones de seguridad elementales Funcionamiento 1. El uso del producto requiere instrucciones especiales y una alta concentración durante el manejo. Debe asegurarse que las personas que manejen el producto estén a la altura de los requerimientos necesarios en cuanto a aptitudes físicas, psíquicas y emocionales, ya que de otra manera no se pueden excluir lesiones o daños de objetos.
  • Page 15 Instrucciones de seguridad elementales Reparación y mantenimiento 1. El producto solamente debe ser abierto por personal especializado con autorización para ello. Antes de manipular el producto o abrirlo, es obligatorio desconectarlo de la tensión de alimentación, para evitar toda posibilidad de choque eléctrico. 2.
  • Page 16 Instrucciones de seguridad elementales 2. Las asas instaladas en los productos sirven solamente de ayuda para el transporte del producto por personas. Por eso no está permitido utilizar las asas para la sujeción en o sobre medios de transporte como p. ej. grúas, carretillas elevadoras de horquilla, carros etc. Es responsabilidad suya fijar los productos de manera segura a los medios de transporte o elevación.
  • Page 17 Quality management Certified Quality System ISO 9001 and environmental Certified Environmental System management ISO 14001 Sehr geehrter Kunde, Dear customer, Cher client, Sie haben sich für den Kauf You have decided to buy a Vous avez choisi d’acheter un eines Rohde & Schwarz Produk- Rohde &...
  • Page 18 Customer Support Technical support – where and when you need it For quick, expert help with any Rohde & Schwarz equipment, contact one of our Customer Support Centers. A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation, programming or applications of Rohde &...
  • Page 19 R&S NRP-Z27/-Z37 Supplement Operation of the Power Sensor Module R&S NRP-Z27/-Z37 on the R&S NRP base unit The power sensor module supplied with this manual has firmware version 01.61 or later. To operate it on the R&S NRP base unit, all software components installed on the base unit must have version num- ber 02.00 or later.
  • Page 21 R&S NRP-Z27/-Z37 Table of Contents Chapter 1 Table of Contents Putting into Operation ......................1.1 Unpacking the power sensor ......................1.1 Connecting the sensor ........................1.1 Operation with the Measuring Receiver R&S FSMR ..............1.3 Connecting the power sensor module to the R&S FSMR ............1.3 Connecting the power sensor module to the DUT ..............1.4...
  • Page 22 List of Figs. Chapter 1 R&S NRP-Z27/-Z37 Figs. Fig. 1-1 Configuration with the R&S FSMR ..................1.4 Fig. 1-2 Configuration with the R&S NRP ..................1.5 Fig. 1-3 Configuration with Passive USB Adapter R&S NRP-Z4 ............ 1.7 Fig. 1-4 Configuration with Active USB Adapter R&S NRP-Z3 ............1.7 Fig.
  • Page 23 RF connector must be tightened using a torque wrench with a nominal torque of 1.36 Nm (12" lbs.) for the N connector of the R&S NRP-Z27, or 0.9 Nm (8" lbs.) for the 3.5 mm connector of both power sensor modules.
  • Page 24 Connecting the sensor R&S NRP-Z27/-Z37 Do not apply excessive mechanical force to the RF connectors of the R&S NRP-Z27/-Z37 and DUT! 1169.3870.12...
  • Page 25 R&S NRP-Z27/-Z37 Connecting the sensor Make sure the bending radius of the RF connecting cable is at least 75 mm! > 150 mm A tighter bend can permanently impair the measuring accuracy of the power measurement module! Operation with the Measuring Receiver R&S FSMR Connecting the power sensor module to the R&S FSMR...
  • Page 26 Connecting the power sensor module to the DUT The power sensor modules have a male N connector (R&S NRP-Z27) or a male 3.5 mm connector (R&S NRP-Z37) on their RF input and can thus be connected to any standard female N or 2.92 mm/3.5 mm/SMA connector, respectively.
  • Page 27 Connecting the power sensor module to the DUT The power sensor modules have a male N connector (R&S NRP-Z27) or a male 3.5 mm connector (R&S NRP-Z37) on their RF input and can thus be connected to any standard female N or 2.92 mm/3.5 mm/SMA connector, respectively.
  • Page 28 Active USB Adapter R&S NRP-Z3 or via the Passive USB Adapter R&S NRP-Z4. Because the power sensor R&S NRP-Z27/-Z37 has a maximum current capacity of 100 mA and is therefore classified as a low-power device, it can be supplied with current from any stationary PC, laptop or notebook in the bus-powered mode.
  • Page 29 R&S NRP-Z27/-Z37 Connecting the sensor Operation via the Passive USB Adapter R&S NRP-Z4 Fig. 1-3 is a schematic of the measurement setup. The order in which the cables are connected is not critical. Fig. 1-3 Configuration with Passive USB Adapter R&S NRP-Z4 Operation via the Active USB Adapter R&S NRP-Z3...
  • Page 30 Connecting the sensor R&S NRP-Z27/-Z37 Fig. 1-5 Changing the primary adapter The plug-in power supply is short-circuit-proof and has an internal fuse. It is not possible to replace this fuse or open the plug-in power supply. NOTICE The plug-in power supply is not intended for outdoor use.
  • Page 31 R&S NRP-Z27/-Z37 Connecting the sensor Operation via the R&S NRP-Z5 Sensor Hub The R&S NRP-Z5 sensor hub allows up to four power sensors to be operated on one PC. It combines the following functions:  4-port USB 2.0 hub ...
  • Page 32 Connecting the sensor R&S NRP-Z27/-Z37 Ports and LEDs The power sensors are connected to the front panel of the R&S NRP-Z5. The ports and LEDs on the front panel of the R&S NRP-Z5 are shown in Fig. 1-6. 1–4 Sockets for connecting the power sensors 5–8...
  • Page 33 R&S NRP-Z27/-Z37 Connecting the sensor Unlatch the R&S Instrument connector on the rear panel by pressing down the unlatching ring of the built-in plug and pulling off the cable jack at the same time (Fig. 1-8). Fig. 1-8 Unlatching the R&S Instrument connector Test Setup Fig.
  • Page 34 Connecting the sensor R&S NRP-Z27/-Z37 Fig. 1-9 Typical test setup with R&S NRP-Z5 and PC 1169.3870.12 1.12...
  • Page 35 R&S NRP-Z27/-Z37 Connecting the sensor Troubleshooting A frequent problem, especially in the case of operation under Microsoft Windows XP, is that the R&S NRP-Z5 fails to respond after a power sensor connected to the R&S NRP-Z5 is disconnected and reconnected. It is then necessary to restart the PC.
  • Page 36 Connecting the sensor to the DUT The power sensor modules have a male N connector (R&S NRP-Z27) or a male 3.5 mm connector (R&S NRP-Z37) on their RF input and can thus be connected to any standard female N or 2.92 mm/3.5 mm/SMA connector, respectively.
  • Page 37 R&S NRP-Z27/-Z37 Connecting the sensor Operation with other Rohde & Schwarz test instruments Hardware and software requirements Many Rohde & Schwarz test instruments allow power measurements using power sensors of the R&S NRP-Zxx series. The power sensors are generally connected to the USB ports of the test instrument via one of the two interface adapters, R&S NRP-Z3 or R&S NRP-Z4, or the Sensor Hub...
  • Page 39 R&S NRP-Z27/-Z37 Table of Contents Chapter 2 Table of Contents Virtual Power Meter ......................2.1 Overview............................2.1 Menus ............................2.3 1169.3870.12 I-2.1...
  • Page 40 List of Figs. and Tables Chapter 2 R&S NRP-Z27/-Z37 Figs. Fig. 2-1 Power Viewer virtual power meter ...................2.1 Tables Table 2-1 Virtual power meter keys ....................2.2 Table 2-2 Virtual power meter entry fields ..................2.2 1169.3870.12 I-2.2...
  • Page 41 R&S NRP-Z27/-Z37 Overview 2 Virtual Power Meter You will find the NrpFlashup program that enables you to operate the power sensor module with a PC under Windows™ on the CD-ROM that accompanies the power sensor module. The program comprises several modules which can be started centrally via the Windows™ start-menu entry NRP Toolkit.
  • Page 42 Overview R&S NRP-Z27/-Z37 Table 2-1 Virtual power meter keys Button Function Key combination Exit Terminates the program. The current settings are saved and recalled the Alt + E next time the program is started. Selects Watt as the display unit.
  • Page 43 R&S NRP-Z27/-Z37 Overview Menus The menu bar can be used to call less frequently used functions. File Start Log ... Opens a file-selection dialog to specify the path and name of the log file. Clicking the Save button starts the recording.
  • Page 44 Overview R&S NRP-Z27/-Z37 Read Error Queue … Reads the error queue. All the error messages that have been issued since the last call are read line- by-line. A tick before this menu entry indicates that an error has occurred. Simulation …...

  • Page 45: Table Of Contents

    R&S NRP-Z27/-Z37 Table of Contents Chapter 3 Table of Contents Manual Operation .......................3.1 Program module "Terminal" ......................3.1 Main control elements.........................3.1 Menus ............................3.3 Program module "Firmware Update" .....................3.7 1169.3870.12 I-3.1...
  • Page 46 List of Figs. and Tables Chapter 3 R&S NRP-Z27/-Z37 Figs. Fig. 3-1 Sending commands using the Input field .................3.2 Fig. 3-2 Sending commands using command files ................3.2 Tables Table 3-1 Buttons assigned to the Input field ...................3.2 Table 3-2 Buttons assigned to the Command File field..............3.3 Table 3-3 Buttons assigned to the Output field ................3.3...

  • Page 47: Manual Operation

    R&S NRP-Z27/-Z37 Program module "Terminal" 3 Manual Operation The previous section describes the Power Viewer program module supplied with the instrument. This module simplifies the most frequently used function of a power meter – measuring the average power of an RF signal. Other program modules are also part of the supplied equipment and can be selected in the Start menu: •...
  • Page 48 Program module "Terminal" R&S NRP-Z27/-Z37 Fig. 3-1 Sending commands using the Input field Fig. 3-2 Sending commands using command files Table 3-1 Buttons assigned to the Input field Button Function Key combination Send Sends the content of the Input entry field to the power sensor module.

  • Page 49: Menus

    R&S NRP-Z27/-Z37 Program module "Terminal" Table 3-2 Buttons assigned to the Command File field Button Function Key combination Send Sends the content of the command file to the power sensor module. Alt + E Loop With Loop the command or command sequence is cyclically sent. Pressing Alt + O the button again terminates the cyclic transmission.
  • Page 50 Program module "Terminal" R&S NRP-Z27/-Z37 Filter criteria: Only + Starting with: Only lines starting with the entered character string are displayed. Not + Starting with: Only lines not starting with the entered character string are displayed. Only + Containing: Only lines containing the entered character string are displayed.
  • Page 51 R&S NRP-Z27/-Z37 Program module "Terminal" Loop … Opens the Loop controls dialog window where the cyclic transfer of commands and command sequences can be controlled. In the Delay / ms field, the time interval for the cyclic transfer is specified in milliseconds.
  • Page 52 Program module "Terminal" R&S NRP-Z27/-Z37 Options Protocol Mode In this mode, a time stamp is added to each response block. Hex Mode In this mode, the response blocks from the sensor are displayed in hexadecimal format. Auto Delete With this option active, the Output field is automatically cleared when the Send button is pressed.

  • Page 53: Program Module "Firmware Update

    R&S NRP-Z27/-Z37 Program module "Firmware Update" Program module "Firmware Update" A detailed description of the program module for firmware updates is provided in the Service Manual. 1169.3870.12...
  • Page 55 R&S NRP-Z27/-Z37 Table of Contents Chapter 5 Table of Contents Remote Control – Fundamentals .................5.1 1169.3870.12 I-5.1...
  • Page 57 R&S NRP-Z27/-Z37 Remote Control – Fundamentals 5 Remote Control – Fundamentals Rohde & Schwarz recommends to utilize the VXI Plug & Play Driver for the remote control of R&S NRP power sensors and power sensor modules. This driver can be found on the CD-ROM supplied with the sensor or downloaded in its most recent version via the internet (http://rohde-schwarz.com/).
  • Page 59 SENSe:CORRection:DCYCle[?] 0.001 to 99.999............6.8 SENSe:CORRection:DCYCle:STATe[?] OFF | ON ............6.8 SENSe:CORRection:OFFSet[?] –200.0 to 200.0 ............6.9 SENSe:CORRection:OFFSet:STATe[?] OFF | ON ............6.9 SENSe:FREQuency[?] 10.0e3 to 18.0e9 (NRP-Z27) or 26.5e9 (NRP-Z37) ....6.9 SENSe:FUNCtion[?] <sensor_function>..............6.10 SENSe:POWer:AVG:APERture[?] 0.001 to 0.3 ............6.10 SENSe:POWer:AVG:BUFFer:SIZE[?] 1 to 1024 ............6.11 SENSe:POWer:AVG:BUFFer:STATe[?] OFF | ON ............6.11...
  • Page 60 Table of Contents Chapter 6 R&S NRP-Z27/-Z37 SYSTem............................6.13 SYSTem:INFO? [Item] ....................6.13 SYSTem:INITialize......................6.14 SYSTem:MINPower?....................6.15 SYSTem:TRANsaction:BEGin ..................6.15 SYSTem:TRANsaction:END..................6.15 TEST............................6.16 TEST:SENSor?......................6.16 TRIGger ............................6.17 ABORt ...........................6.17 INITiate:CONTinuous[?] OFF | ON ................6.17 INITiate:IMMediate......................6.18 TRIGger:COUNt[?] 1 to 2 × 10 ..................6.18 TRIGger:DELay[?] 0 to 100.0 ..................6.18 TRIGger:DELay:AUTO[?] OFF | ON................6.18...
  • Page 61 List of Tables Chapter 6 R&S NRP-Z27/-Z37 Tables Table 6-1 Commands of the CALibration system ................6.3 Table 6-2 Commands of the SENSe system ..................6.5 Table 6-3 Measurement mode "POWer:AVG" ................6.10 Table 6-4 Optimum selection of the sampling window size (N = 1, 2, 3, …) ........6.10 Table 6-5 Commands of the SYSTem system................6.13...

  • Page 63: Remote Control - Commands

    R&S NRP-Z27/-Z37 Remote Control - Commands 6 Remote Control – Commands Notation In the following sections, all commands implemented in the power sensor module are first listed in a table according to command systems and are then described in detail. The notation is largely in line with the SCPI standard.

  • Page 64: Commands As Per Ieee 488.2

    *IDN? returns a string with information on the power sensor module’s identity (device identification code). In addition, the version number of the installed firmware is indicated. The string for a power sensor module of type R&S NRP-Z27/-Z37 has the following structure: ROHDE&SCHWARZ,NRP-Zx7,<serial number>,<firmware version>...

  • Page 65: Scpi Commands

    R&S NRP-Z27/-Z37 Remote Control - Commands SCPI Commands The power sensor module R&S NRP-Z27/-Z37 is controlled via the groups of commands • CALibration (zeroing) • SENSe (measurement configurations) • SYSTem • TRIGger • SERVice. CALibration Table 6-1 Commands of the CALibration system...

  • Page 66: Calibration:zero:auto[?] Off | On | Once

    Remote Control - Commands R&S NRP-Z27/-Z37 CALibration:ZERO:AUTO[?] OFF | ON | ONCE The commands CALibration:ZERO:AUTO ON and CALibration:ZERO:AUTO ONCE perform zeroing. For this purpose, the test signal must be deactivated or the power sensor module disconnected from the signal source. The power sensor module automatically detects the presence of any significant power to be measured.

  • Page 67: Sense (Power Sensor Module Configuration)

    1 to 4 :CORRection :OFFSet[?] -200.0 to 200.0 :STATe[?] OFF to ON :DCYCle[?] 0.001 to 99.999 :STATe[?] OFF to ON :FREQuency[?] 1.0e3 to 18.0e9 (NRP-Z27) or 26.5e9 (NRP-Z37) :FUNCtion[?] “POWer:AVG“ :POWer :AVG :APERture[?] 0.001 to 0.3 :BUFFer :STATe[?] OFF | ON :SIZE[?] 1 to 1024 1169.3870.12...

  • Page 68: Sense:average:count[?] 1 To 65536

    Remote Control - Commands R&S NRP-Z27/-Z37 Command Parameter Unit Remarks :SMOothing:STATe[?] OFF | ON :SGAMma :CORRection:STATe[?] OFF | ON :MAGNitude[?] 0.0 to 1.0 :PHASe[?] -360.0 to 360.0 degree :RGAMma :MAGNitude[?] 0.0 to 1.0 :PHASe[?] -360.0 to 360.0 SENSe:AVERage:COUNt[?] 1 to 65536 SENSe:AVERage:COUNt sets the number of measured values that have to be averaged for forming the measurement result.

  • Page 69: Sense:average:count:auto:mtime[?] 1.0 To 999.99

    R&S NRP-Z27/-Z37 Remote Control - Commands SENSe:AVERage:COUNt:AUTO:MTIMe[?] 1.0 to 999.99 SENSe:AVERage:COUNt:AUTO:MTIMe sets the settling time upper limit of the averaging filter in the auto-averaging mode and limits the length of the filter. The query yields the current settling time upper limit of the averaging filter.

  • Page 70: Sense:average:state[?] Off

    Remote Control - Commands R&S NRP-Z27/-Z37 apparent. However, this procedure does not shorten the measurement time required in order for the averaging filter to settle completely. SENSe:AVERage:STATe[?] OFF | ON SENSe:AVERage:STATe switches on or off the averaging filter. The query yields •...

  • Page 71: Sense:correction:offset[?] -200.0 To 200.0

    2 for ON. Default setting: OFF SENSe:FREQuency[?] 10.0e3 to 18.0e9 (R&S NRP-Z27) or 26.5e9 (R&S NRP-Z37) SENSe:FREQuency transfers the carrier frequency of the RF signal to be measured; this frequency is used for the frequency-response correction of the measurement result. The center frequency is set for broadband signals (spread-spectrum signals, multicarrier signals).

  • Page 72: Sense:function[?]

    Remote Control - Commands R&S NRP-Z27/-Z37 SENSe:FUNCtion[?] <sensor_function> In contrast to other sensors of the R&S NRP-Z series, the power sensor modules only implement the Continuous Average mode. Therefore, the command SENSe:FUNCtion <sensor_function> only accepts the parameter "POWer:AVG". Table 6-3 Measurement mode "POWer:AVG"...

  • Page 73: Sense:power:avg:buffer:size[?] 1 To 1024

    R&S NRP-Z27/-Z37 Remote Control - Commands SENSe:POWer:AVG:BUFFer:SIZE[?] 1 to 1024 SENSe:POWer:AVG:BUFFer:SIZE sets the buffer size for the buffered Continuous Average mode. The query yields the current buffer size for the buffered Continuous Average mode. Default setting: 1 SENSe:POWer:AVG:BUFFer:STATe[?] OFF | ON The buffered Continuous Average mode is activated with ON and deactivated with OFF.

  • Page 74: Sense:sgamma:correction:state[?] Off

    Remote Control - Commands R&S NRP-Z27/-Z37 SENSe:SGAMma:CORRection:STATe[?] OFF | ON SENSe:SGAMma:CORRection:STATe ON activates the correction of the mismatch (gamma correction) between the power sensor module and the source. Gamma correction ensures that the power of the source available at 50 is measured, whereas without correction only the power of the arriving wave is measured.

  • Page 75: System

    Meaning of Item in the SYSTem:INFO? command Item Information string Remarks "MANUFACTURER" "Rohde & Schwarz GmbH & Co. KG" Manufacturer "NRP-Z27" for R&S NRP-Z27” "TYPE" Type designation "NRP-Z37" for R&S NRP-Z37” "STOCK NUMBER" "1169.4102.02" for R&S NRP-Z27” Material number "1169.3206.02" for R&S NRP-Z37”...

  • Page 76: System:initialize

    "<max. measuring frequency in Hz>" The maximum measuring frequency is 18 GHz for the R&S NRP-Z27, or 26.5 GHz for the R&S NRP-Z37, i.e. the power sensor module returns the information string "1.8e+10" or "2.65e+10", respectively, as a response to SYSTem:INFo? "MAXFREQ".

  • Page 77: System:minpower

    R&S NRP-Z27/-Z37 Remote Control - Commands SYSTem:MINPower? SYSTem:MINPower? yields the lower test limit of the power sensor module. This query can be used to determine a useful resolution for the result display near the lower test limit. SYSTem:TRANsaction:BEGin SYSTEM:TRANsaction:BEGin marks the beginning of a sequence of setting commands between which the parameter limits must not be checked.

  • Page 78: Test

    Remote Control - Commands R&S NRP-Z27/-Z37 TEST Table 6-7 Commands of the TEST system Command Parameter Unit Remarks TEST:SENSor? Query only TEST:SENSor? TEST:SENSor? triggers a selftest of the power sensor module. In contrast to *TST, this command yields detailed information, which is useful for troubleshooting.

  • Page 79: Trigger

    R&S NRP-Z27/-Z37 Remote Control - Commands TRIGger Table 6-8 Commands of the TRIGger system Command Parameter Unit Remarks ABORt No query INITiate :CONTinuous[?] OFF | ON :IMMediate No query TRIGger :COUNt[?] 1 to 2×10 :DELay[?] x to 100.0 :AUTO[?] OFF | ON :HOLDoff[?] 0.0 to 10.0...

  • Page 80: Initiate:immediate

    Remote Control - Commands R&S NRP-Z27/-Z37 The query yields • 1 for OFF, • 2 for ON. Default setting: OFF INITiate:IMMediate INITiate:IMMediate starts a single measurement cycle. The power sensor module first changes from the IDLE state to the WAIT_FOR_TRIGGER state and begins with the measurement as soon as the trigger condition is fulfilled.

  • Page 81: Trigger:holdoff[?] 0.0

    R&S NRP-Z27/-Z37 Remote Control - Commands The query yields • 1 for OFF, • 2 for ON. Default setting: ON TRIGger:HOLDoff[?] 0.0 to 10.0 TRIGger:HOLDoff suppresses trigger events within the set holdoff time (in s), starting from the time of the last successful triggering.

  • Page 82: Trigger:slope[?] Positive | Negative

    Remote Control - Commands R&S NRP-Z27/-Z37 TRIGger:SLOPe[?] POSitive | NEGative TRIGger:SLOPe defines the edge of the trigger event with internal and external triggering. In this connection, positive means increasing envelope power (with internal triggering) or increasing voltage (with external triggering). This command has no effect in conjunction with trigger sources BUS, HOLD and IMMediate.

  • Page 83: List Of Remote-Control Commands

    R&S NRP-Z27/-Z37 Remote Control - Commands List of Remote-Control Commands The remote-control commands have a syntax based on standard SCPI 1999.0, but they comply with it only to a limited extent. Table 6-9 List of remote-control commands Command Parameter Unit...
  • Page 84 Remote Control - Commands R&S NRP-Z27/-Z37 Command Parameter Unit Default setting Page SENSe:CORRection:OFFSet:STATe[?] OFF | ON SENSe:CORRection:SPDevice:STATe[?] OFF | ON OFF (can be modified by the user) SENSe:FREQuency[?] 10.0e6 to 18.0e9 (NRP-Z51) or 50.0e6 40.0e9 (NRP-Z55) SENSe:FUNCtion[?] "POWer:AVG" "POWer:AVG" 6.10 SENSe:POWer:AVG:APERture[?] 0.001 to 0.3...
  • Page 85 R&S NRP-Z27/-Z37 Remote Control - Commands Command Parameter Unit Default setting Page TRIGger:HYSTeresis[?] 0.0 to 10.0 6.19 TRIGger:IMMediate 6.19 TRIGger:LEVel[?] x to y 10 × x 6.19 TRIGger:SLOPe[?] POSitive | NEGative POSitive 6.20 TRIGger:SOURce[?] BUS | EXTernal | HOLD | IMMediate | IMMediate 6.20...

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Nrp-z371169.4102.021169.3206.02

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