R&S NRP Series User manual

R&S®NRPxxA(N)
Average Power Sensors
User Manual
1177601702
Version 08
(;ÛÊA2)

This manual describes the following average power sensors with firmware version FW 02.30 and later:
●R&S®NRP6A (1424.6796K02)
●R&S®NRP6AN (1424.6809K02)
●R&S®NRP18A (1424.6815K02)
●R&S®NRP18AN (1424.6821K02)
© 2022 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Muenchen, Germany
Phone: [phone] - 0
Email: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
1177.6017.02 | Version 08 | R&S®NRPxxA(N)
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol, for example R&S®NRP18AN is abbre-
viated as R&S NRP18AN.

Contents
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3User Manual 1177.6017.02 ─ 08
Contents
1 Safety and regulatory information........................................................9
1.1 Safety instructions........................................................................................................9
1.2 Labels on the product.................................................................................................10
1.3 Warning messages in the documentation................................................................ 10
2 Welcome................................................................................................11
2.1 Documentation overview............................................................................................11
2.1.1 Getting started manual.................................................................................................. 11
2.1.2 User manuals................................................................................................................ 11
2.1.3 Tutorials.........................................................................................................................11
2.1.4 Instrument security procedures..................................................................................... 11
2.1.5 Basic safety instructions................................................................................................11
2.1.6 Data sheets and brochures........................................................................................... 12
2.1.7 Release notes and open source acknowledgment (OSA)............................................ 12
2.1.8 Application notes, application cards, white papers, etc.................................................12
2.2 Key features.................................................................................................................12
3 Preparing for use................................................................................. 13
3.1 Unpacking and checking............................................................................................13
3.2 Choosing the operating site.......................................................................................13
3.3 Considerations for test setup.................................................................................... 14
3.4 Connecting to a DUT...................................................................................................14
3.5 Powering the power sensor....................................................................................... 15
3.6 Connecting a cable to the host interface..................................................................16
3.7 Connecting to a controlling host...............................................................................16
3.7.1 Computer...................................................................................................................... 16
3.7.2 Base unit....................................................................................................................... 19
3.7.3 Using a LAN connection................................................................................................20
4 Power sensor tour................................................................................26
4.1 RF connector............................................................................................................... 26
4.2 Status information...................................................................................................... 27
4.3 Host interface.............................................................................................................. 27

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4.4 Trigger I/O connector..................................................................................................28
4.5 LAN PoE interface.......................................................................................................28
5 Operating concepts............................................................................. 29
5.1 R&S NRP Toolkit..........................................................................................................29
5.1.1 Versions and downloads............................................................................................... 29
5.1.2 System requirements.................................................................................................... 29
5.1.3 R&S NRP Toolkit for Windows...................................................................................... 30
5.2 Browser-based user interface....................................................................................32
5.3 Remote control............................................................................................................34
5.4 R&S NRPV....................................................................................................................34
5.5 R&S Power Viewer...................................................................................................... 36
5.6 R&S Power Viewer Mobile..........................................................................................37
5.7 R&S NRX...................................................................................................................... 37
6 Browser-based user interface.............................................................40
6.1 Main dialog of the web user interface....................................................................... 40
6.2 Setting the unit............................................................................................................ 41
6.3 Common settings........................................................................................................42
6.4 Measurement modes.................................................................................................. 43
6.4.1 Continuous average mode............................................................................................ 44
6.5 Settings........................................................................................................................ 44
6.5.1 Sensor settings............................................................................................................. 45
6.5.2 Averaging settings.........................................................................................................46
6.5.3 Trigger settings..............................................................................................................47
6.5.4 System settings.............................................................................................................49
7 Firmware update.................................................................................. 52
7.1 Hardware and software requirements.......................................................................52
7.2 Updating the firmware................................................................................................ 52
7.2.1 Using the Firmware Update for NRP Family program...................................................52
7.2.2 Using the web user interface.........................................................................................54
7.2.3 Using remote control..................................................................................................... 55
8 Replacing an R&S NRP‑Zxx with an R&S NRPxxA(N)...................... 57
8.1 Important difference................................................................................................... 57

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8.2 Prerequisites............................................................................................................... 57
9 Remote control commands.................................................................58
9.1 Conventions used in SCPI command descriptions................................................. 58
9.2 Notations......................................................................................................................59
9.3 Common commands...................................................................................................60
9.4 Preparing for the measurement.................................................................................64
9.4.1 Selecting the reference source..................................................................................... 64
9.4.2 Selecting a measurement path..................................................................................... 64
9.4.3 Selecting a measurement mode................................................................................... 65
9.4.4 Configuring the measured values................................................................................. 66
9.5 Controlling the measurement.................................................................................... 67
9.5.1 Starting and ending a measurement............................................................................. 67
9.5.2 Triggering...................................................................................................................... 68
9.5.3 Controlling the measurement results............................................................................ 71
9.5.4 Interplay of the controlling mechanisms........................................................................72
9.5.5 Configuring the trigger...................................................................................................74
9.6 Configuring results..................................................................................................... 80
9.6.1 Setting the power unit................................................................................................... 80
9.6.2 Setting the result format................................................................................................ 80
9.7 Configuring the measurement modes...................................................................... 82
9.7.1 Continuous average measurement............................................................................... 82
9.8 Configuring basic measurement parameters...........................................................86
9.8.1 Configuring auto averaging........................................................................................... 86
9.8.2 Setting the frequency.................................................................................................... 89
9.8.3 Configuring corrections................................................................................................. 90
9.9 Querying measurement results............................................................................... 105
9.10 Calibrating, zeroing...................................................................................................106
9.11 Testing........................................................................................................................108
9.12 Configuring the system............................................................................................ 108
9.12.1 Configuring general functions..................................................................................... 109
9.12.2 Configuring LAN network properties............................................................................117
9.13 Using the status register.......................................................................................... 121
9.13.1 General status register commands............................................................................. 121

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9.13.2 Reading the CONDition part....................................................................................... 121
9.13.3 Reading the EVENt part..............................................................................................122
9.13.4 Controlling the ENABle part........................................................................................ 122
9.13.5 Controlling the negative transition part........................................................................122
9.13.6 Controlling the positive transition part......................................................................... 123
10 Performing measurement tasks - programming examples............124
10.1 Performing the simplest measurement...................................................................124
10.2 Performing the fastest measurement in continuous average mode....................124
10.2.1 Untriggered fast unchopped continuous average measurement................................ 124
10.2.2 Triggered fast unchopped continuous average measurement.................................... 126
10.3 Performing a buffered continuous average measurement................................... 127
11 Remote control basics.......................................................................130
11.1 Remote control interfaces and protocols............................................................... 130
11.1.1 USB interface.............................................................................................................. 130
11.1.2 Ethernet interface........................................................................................................131
11.2 Status reporting system........................................................................................... 133
11.2.1 Overview..................................................................................................................... 133
11.2.2 Device status register..................................................................................................135
11.2.3 Questionable status register....................................................................................... 136
11.2.4 Standard event status and enable register (ESR, ESE)............................................. 139
11.2.5 Operation status register.............................................................................................140
12 Troubleshooting................................................................................. 148
12.1 Displaying status information..................................................................................148
12.2 Performing a selftest................................................................................................ 148
12.3 Problems during a firmware update........................................................................149
12.4 Cannot establish a LAN connection........................................................................149
12.5 Contacting customer support..................................................................................149
13 Transporting....................................................................................... 151
14 Maintenance, storage and disposal................................................. 152
14.1 Regular checks..........................................................................................................152
14.2 Cleaning..................................................................................................................... 153
14.3 Storage.......................................................................................................................153

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14.4 Disposal..................................................................................................................... 153
List of commands.............................................................................. 155
Index....................................................................................................159

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Safety and regulatory information
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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 chapters.
Intended use
The power sensors are intended for accurate and uncomplicated power measurements
in production, R&D and calibration labs as well as for installation and maintenance
tasks. The supported base units are listed in the data sheet. Observe the operating
conditions and performance limits stated in the data sheet.
Target audience
The target audience is developers and technicians. The required skills and experience
in power measurements depend on the used operating concept.
Main applications are accurate average power measurements for EMC applications.
Where do I find safety information?
Safety information is part of the product documentation. It warns you of potential dan-
gers and gives instructions on how to prevent personal injury or damage caused by
dangerous situations. Safety information is provided as follows:
●In Chapter 1.1, "Safety instructions", on page 9. The same information is provi-
ded in many languages as printed "Safety Instructions". The printed "Safety
Instructions" are delivered with the product.
●Throughout the documentation, safety instructions are provided when you need to
take care during setup or operation.
1.1 Safety instructions
Products from the Rohde & Schwarz group of companies are manufactured according
to the highest technical standards. To use the products safely, follow the instructions
provided here and in the product documentation. Keep the product documentation
nearby and offer it to other users.
Use the product only for its intended use and within its performance limits. Intended
use and limits are described in the product documentation such as the data sheet,
manuals and the printed "Safety Instructions". If you are unsure about the appropriate
use, contact Rohde & Schwarz customer service.
Using the product requires specialists or specially trained personnel. These users also
need sound knowledge of at least one of the languages in which the user interfaces
and the product documentation are available.
Never open the casing of the product. Only service personnel authorized by
Rohde & Schwarz are allowed to repair the product. If any part of the product is dam-
aged or broken, stop using the product. Contact Rohde & Schwarz customer service at
http://www.customersupport.rohde-schwarz.com.
Safety instructions

Safety and regulatory information
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10User Manual 1177.6017.02 ─ 08
Choosing the operating site
Only use the product indoors. The product casing is not waterproof.
Observe the ambient conditions such as altitude, operating temperature and climatic
loads; see the data sheet.
Meaning of safety labels
Safety labels on the product warn against potential hazards.
Potential hazard
Read the product documentation to avoid personal injury or product damage.
Electrical hazard
Indicates live parts. Risk of electric shock, fire, personal injury or even death.
1.2 Labels on the product
Labels on the product inform about:
●Personal safety
See "Meaning of safety labels" on page 10.
●Environment safety
See Table 1-1.
●Identification of the product
See "Default hostname" on page 24.
Table 1-1: Labels regarding environment safety
Labeling in line with EN 50419 for disposal of electrical and electronic equipment after the prod-
uct has come to the end of its service life.
For more information, see "Disposing electrical and electronic equipment" on page 153.
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.
NOTICE
Potential risks of damage. Could result in damage to the supported product or to other
property.
Warning messages in the documentation