R&S NRPM User manual

R&S®NRPM
OTA Power Measurement
Solution
User Manual
1425866302
Version 07
(>IäÍ2)

This document describes the R&S®NRPM OTA Power Measurement Solution,
including the following components:
●R&S®NRPM3N Three-channel sensor module LAN, 1425.8592.02
●R&S®NRPM3 Three-channel sensor module, 1425.8563.02
●R&S®NRPM-A90 Single-polarized antenna module, 1426.7760.02/.03/.04/.05
●R&S®NRPM-A90D Dual-polarized antenna module, 1426.7777.02/.03/.04/.05
●R&S®NRPM-ZD3 Feedthrough module, 1425.8786.02
●R&S®NRPM-Z3 Three-channel interface module, 1426.7602.02
© 2021 Rohde & Schwarz GmbH & Co. KG
Mühldorfstr. 15, 81671 München, 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.
1425.8663.02 | Version 07 | R&S®NRPM
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol, e.g.
R&S®NRPM is abbreviated as R&S NRPM. Microsoft®Windows® is abbreviated as MS Windows, macOS®
is abbreaviated as macOS and Linux® is abbreviated as Linux.

Contents
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Contents
1 Safety information............................................................... 11
2 Welcome to the R&S NRPM OTA power measurement sol-
ution...................................................................................... 12
2.1 Key features........................................................................................ 12
2.2 About the R&S NRPM OTA power measurement solution..............13
3 Documentation overview.................................................... 15
3.1 User manual........................................................................................ 15
3.2 Tutorials............................................................................................... 15
3.3 Instrument security procedures........................................................ 15
3.4 Basic safety instructions................................................................... 15
3.5 Data sheets and brochures................................................................16
3.6 Release notes and open source acknowledgment (OSA)...............16
4 Preparing for use................................................................. 17
4.1 Unpacking and checking....................................................................17
4.2 Operating conditions..........................................................................18
4.3 Considerations for test setup............................................................ 18
4.4 Hardware and software requirements...............................................20
4.4.1 Hardware.............................................................................................. 20
4.4.2 Mandatory software.............................................................................. 21
4.4.3 Optional software.................................................................................. 21
4.5 Installing the software application and drivers................................23
4.5.1 VISA driver installation..........................................................................23
4.5.2 R&S NRP Toolkit installation.................................................................23
4.5.3 R&S Power Viewer installation..............................................................26

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5 R&S NRPM tour....................................................................28
5.1 R&S NRPM3(N) sensor modules....................................................... 28
5.2 R&S NRPM-A90 and R&S NRPM-A90D antenna modules.............. 31
5.3 R&S NRPM-ZD3 feedthrough module............................................... 33
5.4 R&S NRPM-Z3 interface module........................................................35
5.5 R&S NRPM-Z3 connected to the R&S NRPM3................................. 36
6 Setting up a measurement..................................................37
6.1 Test setup examples...........................................................................37
6.2 R&S CMQ200 shielding cube.............................................................41
6.3 Connecting an R&S NRPM OTA power measurement setup.......... 42
6.3.1 Setting up the RF frontend....................................................................43
6.3.2 Setting up the connection to the controller PC......................................44
6.3.3 Using the USB connection.................................................................... 45
6.3.3.1 Simple USB connection........................................................................ 45
6.3.3.2 Sensor hub R&S NRP‑Z5..................................................................... 47
6.3.4 Using the LAN connection.................................................................... 48
6.3.5 Establishing a connection to the network..............................................52
6.3.5.1 Using hostnames.................................................................................. 53
6.3.5.2 Assigning the IP address...................................................................... 54
6.4 Starting the measurement..................................................................55
7 Performing measurements................................................. 56
7.1 Sensor module readings.................................................................... 56
7.2 Measurement applications.................................................................56
7.2.1 Using R&S Power Viewer..................................................................... 57
7.2.2 Using the web browser-based user interface........................................64
7.2.2.1 Main dialog of the web browser-based user interface.......................... 66

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7.2.2.2 Setting the unit...................................................................................... 67
7.2.2.3 Common settings.................................................................................. 68
7.2.2.4 Measurement modes............................................................................ 70
Continuous Average mode....................................................................70
Trace mode...........................................................................................71
7.2.2.5 Settings................................................................................................. 72
Sensor settings..................................................................................... 72
Averaging settings.................................................................................74
Trigger settings..................................................................................... 75
7.2.2.6 System settings.....................................................................................77
8 Firmware update.................................................................. 81
8.1 Hardware and software requirements...............................................81
8.2 Updating the firmware........................................................................ 81
8.2.1 Using the firmware update for R&S NRP family program..................... 82
8.2.2 Using the web browser-based user interface........................................84
8.2.3 Using remote control.............................................................................85
9 Network and remote operation...........................................87
9.1 Remote control interfaces and protocols.........................................87
9.1.1 USB interface........................................................................................88
9.1.2 Ethernet interface..................................................................................89
9.1.2.1 VISA resource string............................................................................. 89
9.1.2.2 VXI-11 protocol......................................................................................91
9.1.2.3 HiSLIP protocol..................................................................................... 91
9.1.2.4 Socket communication..........................................................................92
10 Remote control commands................................................ 93
10.1 Conventions used in SCPI command descriptions.........................93

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10.2 Notations............................................................................................. 94
10.3 Common commands.......................................................................... 96
10.4 Configuring the general functions.................................................. 101
10.4.1 Configuring the system....................................................................... 101
10.4.2 Handling of available antenna modules.............................................. 115
10.4.3 Selecting the reference source............................................................116
10.4.4 Setting the power unit..........................................................................117
10.4.5 Setting the result format...................................................................... 117
10.5 Controlling the measurement.......................................................... 118
10.5.1 Triggering............................................................................................ 119
10.5.2 Controlling the measurement results.................................................. 121
10.5.3 Interplay of the controlling mechanisms..............................................121
10.5.3.1 Continuous average mode..................................................................122
10.5.3.2 Trace mode.........................................................................................124
10.6 Selecting a measurement mode and retrieving results................ 127
10.7 Configuring the measurement modes............................................ 132
10.7.1 Configuring a continuous average measurement............................... 132
10.7.2 Configuring a list mode measurement................................................ 135
10.7.3 Configuring a trace measurement.......................................................136
10.8 Configuring basic measurement parameters.................................144
10.8.1 Configuring averaging.........................................................................144
10.8.2 Setting the frequency.......................................................................... 147
10.8.3 Configuring corrections....................................................................... 147
10.8.3.1 Duty cycle corrections.........................................................................148
10.8.3.2 Offset corrections................................................................................148
10.9 Starting and ending a measurement...............................................149
10.10 Configuring the trigger.....................................................................151

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10.11 Using the status register..................................................................161
10.11.1 General status register commands..................................................... 161
10.11.2 Reading out the CONDition part......................................................... 162
10.11.3 Reading out the EVENt part................................................................162
10.11.4 Controlling the ENABle part................................................................ 163
10.11.5 Controlling the negative transition part............................................... 163
10.11.6 Controlling the positive transition part.................................................164
10.12 Testing the R&S NRPM OTA Power Measurement Solution......... 165
10.13 Calibrating/zeroing the R&S NRPM3(N) sensor module............... 165
11 Programming examples.................................................... 168
11.1 Performing a simple measurement................................................. 168
11.2 Performing measurements in continuous average mode.............168
11.3 Performing measurements in list mode......................................... 173
11.4 Performing measurements in trace mode...................................... 180
12 Troubleshooting.................................................................184
12.1 Displaying status information......................................................... 184
12.2 Performing a selftest........................................................................ 184
12.3 Problems during a firmware update................................................185
12.4 Cannot establish a LAN connection............................................... 186
12.4.1 Components of the R&S NRP Toolkit................................................. 186
12.5 Replacing antenna cables................................................................187
12.5.1 Spare parts and recommended tools..................................................188
12.5.2 Cable replacement..............................................................................189
12.6 Contacting customer support..........................................................191
13 Maintenance, storage and disposal................................. 193
13.1 Cleaning.............................................................................................193

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13.2 Storage...............................................................................................193
13.3 Disposal............................................................................................. 193
Annex..................................................................................195
A Remote control basics...................................................... 195
A.1 SCPI command structure................................................................. 195
A.1.1 Syntax for common commands.......................................................... 195
A.1.2 Syntax for device-specific commands.................................................196
A.1.3 SCPI parameters................................................................................ 197
A.1.4 Overview of syntax elements.............................................................. 200
A.1.5 Structure of a command line............................................................... 201
A.1.6 Responses to queries......................................................................... 202
A.2 Status reporting system...................................................................202
A.2.1 Hierarchy of the status registers......................................................... 203
A.2.2 Structure of an SCPI status register................................................... 205
A.2.3 Status byte (STB) and service request enable register (SRE)............207
A.2.4 IST flag and parallel poll enable register (PPE).................................. 208
A.2.5 Device status register......................................................................... 209
A.2.6 Questionable status register............................................................... 210
A.2.6.1 Questionable power status register.....................................................211
A.2.6.2 Questionable calibration status register..............................................212
A.2.7 Standard event status and enable register (ESR, ESE)..................... 212
A.2.8 Operation status register.....................................................................213
A.2.8.1 Operation calibrating status register................................................... 216
A.2.8.2 Operation measuring status register...................................................216
A.2.8.3 Operation trigger status register......................................................... 217
A.2.8.4 Operation sense status register.......................................................... 217
A.2.8.5 Operation lower limit fail status register.............................................. 218

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A.2.8.6 Operation upper limit fail status register............................................. 218
Glossary: List of used terms and abbreviations............ 220
List of commands.............................................................. 224
Index................................................................................... 229

Contents
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