Rohde & Schwarz HMP Series User manual

R&S®HMP Series
Power Supplies
Getting Started
1178679102
Version 03
(;ÜÑé2)

This manual applies to the following models and options of the R&S®HMP series:
●R&S®HMP2020 Two-Channel Power Supply (3629.6718.02)
●R&S®HMP2030 Three-Channel Power Supply (3629.6718.03)
●R&S®HMP4030 Three-Channel Power Supply (3629.6776.03)
●R&S®HMP4030 Four-Channel Power Supply (3629.6776.04)
© 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.
All other trademarks are the properties of their respective owners.
1178.6791.02 | Version 03 | R&S®HMP Series
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol , e.g.
R&S®HMP2020 is indicated as R&S HMP2020, or R&S HMP.

Contents
R&S®HMP Series
3Getting Started 1178.6791.02 ─ 03
Contents
1 Safety and regulatory information....................................... 5
1.1 Safety instructions................................................................................6
1.2 Labels on the R&S HMP....................................................................... 9
1.3 Warning messages in the documentation........................................ 10
1.4 Korea certification class A................................................................. 11
2 Documentation overview.................................................... 12
2.1 Getting started manual.......................................................................12
2.2 User manual........................................................................................ 12
2.3 Service manual....................................................................................12
2.4 Instrument security procedures........................................................ 13
2.5 Printed safety instructions.................................................................13
2.6 Datasheet.............................................................................................13
2.7 Calibration certificate......................................................................... 13
2.8 Release notes and open-source acknowledgment (OSA).............. 13
2.9 Application notes, application cards, white papers, etc................. 14
2.10 Remote control drivers.......................................................................14
3 Key features......................................................................... 15
4 Preparing for use................................................................. 16
4.1 Lifting and carrying............................................................................ 16
4.2 Unpacking and checking....................................................................16
4.3 Choosing the operating site.............................................................. 16
4.4 Setting up the R&S HMP.................................................................... 17
4.5 Considerations for test setup............................................................ 19
4.6 Preparing for mains voltage.............................................................. 21

Contents
R&S®HMP Series
4Getting Started 1178.6791.02 ─ 03
4.7 Connecting to power.......................................................................... 23
4.8 Connecting to LAN............................................................................. 24
4.9 Connecting a device under test (DUT)..............................................25
4.10 Switching on and off...........................................................................26
5 Instrument tour.................................................................... 28
5.1 Front panel tour.................................................................................. 28
5.2 Rear panel tour....................................................................................32
6 Trying out the instrument................................................... 36
7 Instrument control............................................................... 39
7.1 Ways to operate the instrument........................................................ 39
7.2 Means of manual interaction............................................................. 39
7.3 Entering data....................................................................................... 44
7.4 Remote control....................................................................................45
8 Contacting customer support............................................ 46
Index..................................................................................... 47

Safety and regulatory information
R&S®HMP Series
5Getting Started 1178.6791.02 ─ 03
1 Safety and regulatory information
The product documentation helps you use the product safely and efficiently. Fol-
low the instructions provided here and in the following chapters.
Intended use
The products of the R&S HMP series provide adjustable DC voltage, current and
power for electrical loads. They are designed for industrial use, e.g. production
testing, maintenance and engineering labs.
Observe the operating conditions and performance limits stated in the data sheet.
Target audience
Only connect, set up and use a power supply if you are an electrically skilled per-
son. Such persons have the education and experience needed to recognize risks
and avoid hazards of working with electricity.
This document provides information throughout the life cycle of the product, for
installers, operators, technicians, maintenance and service personnel.
Follow the safety instructions provided in Chapter 1.1, "Safety instructions",
on page 6 and the additional information provided during setup or operation
procedures.
Where do I find safety information?
Safety information is part of the product documentation. It warns you of potential
dangers 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 6. The same information is
provided 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.

Safety and regulatory information
R&S®HMP Series
6Getting Started 1178.6791.02 ─ 03
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 prod-
uct documentation nearby and offer it to other users.
Use the product only for its intended use and within its performance limits. Inten-
ded 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.
Only people skilled in electrical work should connect, set up and use the product.
Such persons have the education and experience needed to recognize risks and
avoid hazards of working with electricity. These users also need sound knowl-
edge of at least one of the languages in which the user interfaces and the product
documentation are available.
Reconfigure or adjust the product only as described in the product documentation
or the data sheet. Any other modifications can affect safety and are not permitted.
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
damaged or broken, stop using the product. Contact Rohde & Schwarz customer
service at https://www.rohde-schwarz.com/support.
Lifting and carrying the product
Look up the maximum weight in the data sheet. A single person can only carry a
maximum of 18 kg safely depending on age, gender and physical condition. If
your product is heavier than 18 kg, do not move or carry it by yourself.
To move the product safely, you can use lifting or transporting equipment such as
lift trucks and forklifts. Follow the instructions provided by the equipment manu-
facturer.
Choosing the operating site
Only use the product indoors. The product casing is not waterproof. Water that
enters can electrically connect the casing to live parts, which can lead to electric
shock, serious personal injury or death if you touch the casing.
Unless otherwise specified, you can operate the product up to an altitude of
2000 m above sea level. The product is suitable for pollution degree 2 environ-
Safety instructions

Safety and regulatory information
R&S®HMP Series
7Getting Started 1178.6791.02 ─ 03
ments where nonconductive contamination can occur. For more information on
environmental conditions such as ambient temperature and humidity, see the
data sheet.
Setting up the product
Always place the product on a stable, flat and level surface with the bottom of the
product facing down. If the product is designed for different positions, secure the
product so that it cannot fall over.
If the product has foldable feet, always fold the feet completely in or out to ensure
stability. The feet can collapse if they are not folded out completely or if the prod-
uct is moved without lifting it. The foldable feet are designed to carry the weight of
the product, but not an extra load.
If stacking is possible, keep in mind that a stack of products can fall over and
cause injury.
If you mount products in a rack, ensure that the rack has sufficient load capacity
and stability. Observe the specifications of the rack manufacturer. Always install
the products from the bottom shelf to the top shelf so that the rack stands
securely. Secure the product so that it cannot fall off the rack.
Connecting to power
The product is an overvoltage category II product. Connect the product to a fixed
installation used to supply energy-consuming equipment such as household
appliances and similar loads. Keep in mind that electrically powered products
have risks, such as electric shock, fire, personal injury or even death. Replace
parts that are relevant to safety only by original parts, e.g. power cables or fuses.
Take the following measures for your safety:
●Before switching on the product, ensure that the voltage and frequency indica-
ted on the product match the available power source. If the power adapter
does not adjust automatically, set the correct value and check the rating of the
fuse.
●If a product has an exchangeable fuse, its type and characteristics are indica-
ted next to the fuse holder. Before changing the fuse, switch off the product
and disconnect it from the power source. How to change the fuse is described
in the product documentation.
●Only use the power cable delivered with the product. It complies with country-
specific safety requirements. Only insert the plug into an outlet with protective
conductor terminal.
Safety instructions

Safety and regulatory information
R&S®HMP Series
8Getting Started 1178.6791.02 ─ 03
●Only use intact cables and route them carefully so that they cannot be dam-
aged. Check the power cables regularly to ensure that they are undamaged.
Also ensure that nobody can trip over loose cables.
●Only connect the product to a power source with the safety fuse specified in
the data sheet.
●Ensure that you can disconnect the product from the power source at any
time. Pull the power plug to disconnect the product. The power plug must be
easily accessible. If the product is integrated into a system that does not meet
these requirements, provide an easily accessible circuit breaker at the system
level.
Working with hazardous voltages
Voltages higher than 30 V RMS, or 42 V peak, or 60 V DC are regarded as haz-
ardous contact voltages. Direct contact with them can cause serious injuries.
When working with hazardous contact voltages, use protective measures to pre-
clude direct contact with the measurement setup:
●Before each measurement, inspect all components for damage and replace
them if necessary.
●Do not touch exposed connections and components when power is applied.
●Casing, chassis and all measuring terminals are connected to a grounding
connection. Never disconnect a grounding connection on the product.
●Switch off the power before connecting or disconnecting the terminal block to
the rear panel connector. Tighten all wires connected to the terminal block.
●Only use the wires and terminal blocks delivered with the product.
●Only use insulated wires, not stripped wires, for the terminal connections.
●Turn the mains switch off when the product is not in use.
●When operating measuring accessories, only use the cables delivered with
the accessory. If you have to use cables from other manufacturers, make sure
that they are of the required overvoltage category.
Do not operate the product in series or parallel unless that setup is supported. If
accessories are provided for a product, only use them for that product. See the
data sheet.
In series or parallel setups, protect yourself against electric shock before connect-
ing access ports such as the Ethernet port or the USB port using one of the fol-
lowing measures:
Safety instructions

Safety and regulatory information
R&S®HMP Series
9Getting Started 1178.6791.02 ─ 03
●Ensure that all products are grounded by connecting them to the AC power.
●Disconnect all power connections to the product, including outputs.
Measurement categories
IEC 61010-2-030 defines measurement categories that rate products on their
ability to resist short transient overvoltages that occur in addition to the working
voltage.
This product is designed for measuring within measurement category 0 only.
Measurements in this category are performed on circuits not directly connected to
mains, such as electronics, battery powered circuits, and specially protected sec-
ondary circuits. This measurement category is also known as CAT I.
Cleaning the product
Use a dry, lint-free cloth to clean the product. When cleaning, keep in mind that
the casing is not waterproof. Do not use liquid cleaning agents.
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.
Hot surface
Do not touch. Risk of skin burns. Risk of fire.
Protective conductor terminal
Connect this terminal to a grounded external conductor or to protective ground. This
connection protects you against electric shock if an electric problem occurs.
1.2 Labels on the R&S HMP
Labels on the casing inform about:
●Personal safety, see "Meaning of safety labels" on page 9.
●Product and environment safety, see Table 1-1.
Labels on the R&S HMP

Safety and regulatory information
R&S®HMP Series
10Getting Started 1178.6791.02 ─ 03
●Identification of the product, see the serial number on the rear panel.
Table 1-1: Labels regarding the R&S HMP and environment safety
Labeling in line with EN 50419 for disposal of electrical and electronic equipment after
the product has come to the end of its service life. For more information, see the prod-
uct user manual, chapter "Disposal".
Take care when handling electrostatic sensitive devices.
Grounding terminal (earth ground contact)
Chassis grounding terminal
ON (supply voltage)
OFF (supply voltage)
Read the manual for information.
1.3 Warning messages in the documentation
A warning message points out a risk or danger that you need to be aware of. The
signal word indicates the severity of the safety hazard and how likely it will occur
if you do not follow the safety precautions.
WARNING
Potentially hazardous situation. Could result in death or serious injury if not avoi-
ded.
CAUTION
Potentially hazardous situation. Could result in minor or moderate injury if not
avoided.
Warning messages in the documentation

Safety and regulatory information
R&S®HMP Series
11Getting Started 1178.6791.02 ─ 03
NOTICE
Potential risks of damage. Could result in damage to the supported product or to
other property.
1.4 Korea certification class A
이 기기는 업무용(A급) 전자파 적합기기로서 판매자 또는 사용자는 이 점을 주의하
시기 바라며, 가정외의 지역에서 사용하는 것을 목적으로 합니다.
Korea certification class A

Documentation overview
R&S®HMP Series
12Getting Started 1178.6791.02 ─ 03
2 Documentation overview
This section provides an overview of the R&S HMP user documentation. Unless
specified otherwise, you find the documents at www.rohde-schwarz.com/manual/
hmp.
Further documents are available under www.rohde-schwarz.com/hmp2000 and
www.rohde-schwarz.com/hmp4000.
2.1 Getting started manual
The getting started introduces the R&S HMP and describes how to set up and
start working with the product. Includes basic operations, and general information,
e.g. safety instructions, etc. A printed version is delivered with the instrument.
2.2 User manual
The user manual contains the description of all instrument modes and functions.
It also provides an introduction to remote control, a complete description of the
remote control commands with programming examples, and information on main-
tenance, instrument interfaces and error messages. Includes the contents of the
getting started manual.
The user manual is also available for download or for immediate display on the
Internet.
2.3 Service manual
Describes the performance test for checking the rated specifications, module
replacement and repair, firmware update, troubleshooting and fault elimination,
and contains mechanical drawings and spare part lists.
The service manual is available for registered users on the global
Rohde & Schwarz information system (GLORIS):
Service manual

Documentation overview
R&S®HMP Series
13Getting Started 1178.6791.02 ─ 03
https://gloris.rohde-schwarz.com
2.4 Instrument security procedures
Deals with security issues when working with the R&S HMP in secure areas. It is
available for download on the Internet.
2.5 Printed safety instructions
Provides safety information in many languages. The printed document is deliv-
ered with the product.
2.6 Datasheet
The datasheet provides an overview of the instrument and deals with the specific
characteristics. It contains the technical specifications of the R&S HMP, and pro-
vides ordering information for the base units, available options and accessories.
See www.rohde-schwarz.com/brochure-datasheet/hmp.
2.7 Calibration certificate
The document is available on https://gloris.rohde-schwarz.com/calcert. You need
the device ID of your instrument, which you can find on a label on the rear panel.
2.8 Release notes and open-source acknowledg-
ment (OSA)
The release notes list new features, improvements and known issues of the cur-
rent firmware version, and describe the firmware installation.
Release notes and open-source acknowledgment (OSA)

Documentation overview
R&S®HMP Series
14Getting Started 1178.6791.02 ─ 03
The software makes use of several valuable open source software packages. An
open-source acknowledgment document provides verbatim license texts of the
used open source software.
See www.rohde-schwarz.com/firmware/hmp.
2.9 Application notes, application cards, white
papers, etc.
These documents deal with special applications or background information on
particular topics.
See www.rohde-schwarz.com/application/hmp
2.10 Remote control drivers
The instrument drivers enable remote control using the corresponding interfaces.
The drivers and installation instructions are available for download on the product
page.
See www.rohde-schwarz.com/driver/hmp.
Remote control drivers

Key features
R&S®HMP Series
15Getting Started 1178.6791.02 ─ 03
3 Key features
The R&S HMP series power supplies set standards in performance and usability.
Outstanding key features are:
●High output power within a minimum space, high efficiency and low-residual
ripple.
●High programming and readback resolution for applications with the highest
demands.
●Realtime voltage, current and power values.
●EasyArb function for programming voltage and current processes directly on
the instrument.
●Individual electronic fuses freely combinable for all channels, with a fuse delay
from 10 ms to 250 ms.
●Adjustable overvoltage protection (OVP) independently for each channel.
●Advanced parallel and serial operation via V/I tracking.
●Remote control via dual Ethernet/USB interface, USB/RS-232 dual interface
or IEEE-488 (GPIB) using SCPI-based commands.
For a detailed specification, refer to the data sheet.

Preparing for use
R&S®HMP Series
16Getting Started 1178.6791.02 ─ 03
4 Preparing for use
Here, you can find basic information about setting up the product for the first time.
4.1 Lifting and carrying
See "Lifting and carrying the product" on page 6.
For mounting the R&S HMP in a rack, see Chapter 4.4.2, "Mounting the
R&S HMP in a rack", on page 18
4.2 Unpacking and checking
1. Unpack the product carefully.
2. Retain the original packing material. Use it when transporting or shipping the
product later.
3. Using the delivery notes, check the equipment for completeness.
4. Check the equipment for damage.
If the delivery is incomplete or equipment is damaged, contact
Rohde & Schwarz.
4.3 Choosing the operating site
Specific operating conditions ensure proper operation and avoid damage to the
product and connected devices. For information on environmental conditions
such as ambient temperature and humidity, see the data sheet.
See also "Choosing the operating site" on page 6.
Choosing the operating site

Preparing for use
R&S®HMP Series
17Getting Started 1178.6791.02 ─ 03
Electromagnetic compatibility classes
The electromagnetic compatibility (EMC) class indicates where you can operate
the product. The EMC class of the product is given in the data sheet.
●Class B equipment is suitable for use in:
– Residential environments
– Environments that are directly connected to a low-voltage supply network
that supplies residential buildings
●Class A equipment is intended for use in industrial environments. It can cause
radio disturbances in residential environments due to possible conducted and
radiated disturbances. It is therefore not suitable for class B environments.
If class A equipment causes radio disturbances, take appropriate measures to
eliminate them.
4.4 Setting up the R&S HMP
See also:
●"Setting up the product" on page 7
●"Intended use" on page 5
4.4.1 Placing the R&S HMP on a bench top
To place the product on a bench top
1. Place the product on a stable, flat and level surface. Ensure that the surface
can support the weight of the product. For information on the weight, see the
data sheet.
2. CAUTION! Foldable feet can collapse. See "Setting up the product"
on page 7.
Always fold the feet completely in or out. With folded-out feet, do not place
anything on top or underneath the product.
3. WARNING! A stack of products can fall over and cause injury. Never stack
more than three products on top of each other. Instead, mount them in a rack.
Stack as follows:
● If the products have foldable feet, fold them in completely.
Setting up the R&S HMP

Preparing for use
R&S®HMP Series
18Getting Started 1178.6791.02 ─ 03
● It is best if all products have the same dimensions (width and length). If the
products have different dimensions, stack according to size and place the
smallest product on top.
● Do not exceed the permissible total load placed on the product at the bot-
tom of the stack:
– 50 kg when stacking products of identical dimensions (left figure).
– 25 kg when stacking smaller products on top (middle figure).
Left = Stacked correctly, same dimensions
Middle = Stacked correctly, different dimensions
Right = Stacked incorrectly, too many products
4. NOTICE! Overheating can damage the product.
Prevent overheating as follows:
● Keep a minimum distance of 10 cm between the fan openings of the prod-
uct and any object in the vicinity.
● Do not place the product next to heat-generating equipment such as radia-
tors or other products.
4.4.2 Mounting the R&S HMP in a rack
To prepare the rack
1. Observe the requirements and instructions in "Setting up the product"
on page 7.
2. NOTICE! Insufficient airflow can cause overheating and damage the product.
Design and implement an efficient ventilation concept for the rack.
Setting up the R&S HMP

Preparing for use
R&S®HMP Series
19Getting Started 1178.6791.02 ─ 03
To mount the R&S HMP in a rack
1. Use an adapter kit that fits the dimensions of the R&S HMP to prepare the
instrument for rack mounting.
a) Order the rack adapter kit designed for the R&S HMP. For the order num-
ber, see the data sheet.
b) Mount the adapter kit. Follow the assembly instructions provided with the
adapter kit.
2. Lift the R&S HMP to shelf height.
3. Push the R&S HMP onto the shelf until the rack brackets fit closely to the
rack.
4. Tighten all screws at the rack brackets with a tightening torque of 1.2 Nm to
secure the R&S HMP in the rack.
To unmount the product from a rack
1. Loosen the screws at the rack brackets.
2. Bring the lifting equipment to shelf height.
3. Remove the product from the rack.
4. If placing the R&S HMP on a bench top again, unmount the adapter kit from
the R&S HMP. Follow the instructions provided with the adapter kit.
4.5 Considerations for test setup
Cable selection and electromagnetic interference (EMI)
Electromagnetic interference (EMI) can affect the measurement results.
To suppress electromagnetic radiation during operation:
●Use high-quality shielded cables, for example:
– Double-shielded data cables for connecting external devices. The length of
data cables must not exceed 3 m.
– Double-shielded USB cables. The length of passive USB cables must not
exceed 1 m.
– CAT5e LAN cables, e.g. RJ-45 with a length ≤3 m.
Considerations for test setup

Preparing for use
R&S®HMP Series
20Getting Started 1178.6791.02 ─ 03
– Double-shielded IEEE-488 (GPIB) bus cables. We recommend that you
use the double-shielded cable "R&S HZ72" from Rohde & Schwarz (GPIB-
cable 2 m, order no. 3594.4269.02).
●Cables for output supply:
– Use insulated cables of the same type
– Keep the cable length as short as possible
– Use cables with maximum cross-section to minimize the conductor resist-
ance
●Terminal blocks (included) for connecting to the rear panel connectors.
●Always terminate open cable ends.
●Ensure that connected external devices comply with EMC regulations.
●Check regularly that all cables, including power cables are in perfect condi-
tion.
Input and output levels
Information on voltage levels is provided in the data sheet. Keep the voltage lev-
els within the specified ranges to avoid damage to the product and connected
devices.
Preventing electrostatic discharge (ESD)
Electrostatic discharge is most likely to occur when you connect the front and rear
connectors simultaneously.
Electrostatic discharge is most likely to occur:
●When connecting the output connectors at the front and rear panels simulta-
neously.
●When connecting or disconnect a DUT.
1. NOTICE! Electrostatic discharge can damage the electronic components of
the product and the device under test (DUT).
Ground yourself to prevent electrostatic discharge damage:
a) Use a wrist strap and cord to connect yourself to ground.
b) Use a conductive floor mat and heel strap combination.
2. Leave the output sockets at the front disconnected, when using the rear panel
outputs.
Considerations for test setup