Rohde & Schwarz ENV432 Bedienungsanleitung
R&S®ENV432
Four Line V-Network
User Manual
1326649204
Version 04
(=JÎê4)
This document describes the following R&S®ENV432 models:
●R&S®ENV432 (1326.6105.02)
© 2022 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Muenchen, Germany
Phone: +49 89 41 29 - 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.
1326.6492.04 | Version 04 | R&S®ENV432
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol , e.g. R&S®ENV432 is indicated as
R&S ENV432.
Safety and regulatory information
R&S®ENV432
3User Manual 1326.6492.04 ─ 04
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 R&S ENV432 four-line V-Network is used to measure the unsymmetric disturb-
ance voltage on AC mains and DC lines.
Its principal tasks are:
●To supply the equipment under test with mains voltage
●To provide a standardized load impedance
●Defined transmission of the noise voltage generated by the equipment under test
to the EMI test receiver
●Isolation of the test circuit from interference of the power source.
The R&S ENV432 four-line V-Network is constructed using air-core inductances and
conforms with the requirements of CISPR 16-1-2 (EN 55016-1-2).
Target audience
Only connect, set up and use LISNs if you are an electrically skilled person. Electrically
skilled persons have the relevant education and experience to enable them to perceive
risks and to avoid hazards that electricity can cause. Follow the safety instructions pro-
vided in Chapter 1.1, "Safety instructions", on page 3 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 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 3. 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 line impedance stabilization network (LISN) only for its intended use and within
its performance limits. Intended use and limits are described in the product documenta-
Safety instructions
Safety and regulatory information
R&S®ENV432
4User Manual 1326.6492.04 ─ 04
tion such as the data sheet, manuals and the printed safety instructions. If you are
unsure about the appropriate use, contact Rohde & Schwarz customer service.
LISNs are designed according to CISPR 16-1-2 (EN 55016-1-2) and do not meet the
permissible limit for the leakage current as defined in EN 61010-1. In addition, LISNs
do not provide basic insulation, rated as measurement category II (protection class 1).
Therefore, only connect, set up and use LISNs if you are an electrically skilled person.
Electrically skilled persons have the relevant education and experience to enable them
to perceive risks and to avoid hazards that electricity can cause.
These users also need sound knowledge of at least one of the languages in which the
user interfaces and the product documentation are available.
LISNs can pose hazardous and even life-threatening risks:
●Electrical shock because of a high leakage current and live parts if the LISN is not
grounded.
●Electrical shock because the LISN does not have a fuse in the measuring circuit.
●Burns and fire hazard caused by overheating of the housing. Overheating can
occur if the ventilation is insufficient or if the cables' cross-section is too small.
If any part of the LISN is damaged or broken, stop using the LISN. Never open the cas-
ing of the LISN. Only service personnel authorized by Rohde & Schwarz are allowed to
repair the LISN. Contact Rohde & Schwarz customer service at http://www.rohde-
schwarz.com/support.
Lifting and carrying the product
Look up the weight in the data sheet. If the product is heavy, you cannot move or carry
it on your own. A single person can only carry a maximum of 18 kg safely, depending
on age, gender and physical condition. To move the product safely, you can also use
lifting or transporting equipment such as lift trucks or forklifts. Follow the instructions
provided by the lifting or transporting equipment manufacturer.
Choosing the operating site
Only use the LISN indoors in rooms equipped with a protective earth connection (for
example EMC test rooms). The product casing is not waterproof and water that enters
the casing can electrically connect the casing with live parts. This can lead to electric
shock, serious personal injury or death if you touch the casing.
You can operate the product up to an altitude of 2000 m above sea level. The product
is suitable for pollution degree 2 environments 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 LISN on a stable, flat and level surface with the bottom of the LISN
facing down. Make sure that the air supply is not obstructed from any side.
Place the LISN on a nonflammable base, for example, a metal plate, to prevent a fire if
the ventilation system fails or if it gets too hot.
Safety instructions
Safety and regulatory information
R&S®ENV432
5User Manual 1326.6492.04 ─ 04
If the LISN has foldable feet, always fold the feet completely in or out to ensure stabil-
ity. The feet can collapse if they are not folded out completely or if the LISN is moved
without lifting it. The foldable feet are designed to carry the weight of the LISN, but not
an extra load.
Observe the applicable national regulations and standards as part of the installation
process.
Protective ground connection
Always establish a protective ground connection before connecting the LISN to a
power source. A protective ground protects you from electrically live parts on the cas-
ing caused by high leakage currents. High leakage currents can cause electric shock,
serious personal injury or death if you touch the casing.
●Only use ground cables that have a sufficient cross-section that complies with
VDE 0100-540 part 5-54 (IEC 60364-5-54).
●Validate that the ground connection is safe.
●The ground connection must remain until you have disconnected the LISN from the
power source.
●If the LISN has an auxiliary voltage, secure the test setup with a second protective
ground. The second ground connection protects you from live parts if the ground
connection of the auxiliary cable fails.
Connecting to power
The product is an overvoltage category II product and has to be connected to a fixed
installation used to supply energy-consuming equipment such as household applian-
ces and similar loads. Electrically powered products have risks, such as electric shock,
fire, personal injury or even death.
Observe the protective measures given by VDE 0100-410 (IEC60364-4-41) while
working with the LISN.
Take the following measures for your safety:
●Use double-insulated connecting cables with an appropriate minimum cross-sec-
tion and an appropriate minimum voltage rating.
Select the cable based on the maximum power consumption of the device under
test, the fuse rating of the building installation and the cable length. When installing
the supplied cable sockets, observe the assembly instructions and the require-
ments of the manufacturer.
●By design, LISNs do not have a fuse in the measuring circuit. Therefore, you have
to make sure that the operating circuit between the power supply and the power
connector of the LISN is fused correctly.
●Only use the power cable delivered with the product. It complies with country-spe-
cific safety requirements.
●Only use intact cables and route them carefully so that they cannot be damaged.
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 a maximum fuse protection
according to the datasheet.
Safety instructions
Safety and regulatory information
R&S®ENV432
6User Manual 1326.6492.04 ─ 04
●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.
●If the LISN has an auxiliary voltage: Before taking the LISN auxiliary voltage into
operation, ensure that the voltage and frequency indicated on the product match
the available power source. If the values do not match, contact Rohde & Schwarz
customer service.
If the ventilation system is powered by an auxiliary voltage, always connect the
auxiliary voltage before taking the LISN into operation. Operation without the venti-
lation system leads to overheating and can cause a fire.
●If the LISN can be powered by an external power supply, make sure that the power
supply complies with the requirements for reinforced/double insulation in accord-
ance with DIN/EN/IEC/UL/CSA 61010-1, DIN/EN/IEC/UL/CSA 60950-1 or
DIN/EN/IEC/UL/CSA 62368-1.
Using accessories
Select accessories that are suitable for the product and the measurement task, espe-
cially if they are from 3rd party manufacturers.
Measurement accessories, such as current clamps or artificial hands must comply with
the measurement category of your test setup.
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.
Heavy product
Be careful when lifting, moving or carrying the product. Carrying the product requires a suffi-
cient number of persons or transport equipment.
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 connec-
tion protects you against electric shock if an electric problem occurs.
Safety instructions
Safety and regulatory information
R&S®ENV432
7User Manual 1326.6492.04 ─ 04
1.2 Labels on the product
Labels on the casing inform about:
●Personal safety, see "Meaning of safety labels" on page 6
●Product and environment safety, see Table 1-1
Table 1-1: Labels regarding product and 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.
Grounding terminal (earth ground contact)
Chassis grounding terminal
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.
DANGER
Imminently hazardous situation. Will result in death or serious injury if not avoided.
WARNING
Potentially hazardous situation. Could result in death or serious injury if not avoided.
CAUTION
Potentially hazardous situation. Could result in minor or moderate injury if not avoided.
NOTICE
Potential risks of damage. Could result in damage to the supported product or to other
property.
1.4 Korea certification class B
Korea certification class B
Safety and regulatory information
R&S®ENV432
8User Manual 1326.6492.04 ─ 04
이 기기는 가정용(B급) 전자파 적합기기로서 주로 가정에서 사용하는 것을 목적으로 하
며, 모든 지역에서 사용할 수 있습니다.
Korea certification class B
Instrument tour
R&S®ENV432
9User Manual 1326.6492.04 ─ 04
2 Instrument tour
2.1 Front panel view
The following figure displays the front view of the R&S ENV432. The individual ele-
ments are described in detail in the following sections.
9
1 2 3
6
4
8
5
7
Figure 2-1: Front view
1 = Schuko socket (EUT 1)
2 = CEE socket (EUT 2)
3 = Fan
4 = Pulse limiter
5 = Line selection
6 = Test receiver
7 = Ground sockets
8 = Protective conductor terminal
9 = Artificial hand
2.1.1 Schuko socket (EUT 1)
Connector for disturbance voltage measurements on single-phase EUTs with an alter-
nating voltage up to 240 V and direct voltages up to 350 V. When using this connector,
the maximum constant current is 16 A.
Front panel view
Instrument tour
R&S®ENV432
10User Manual 1326.6492.04 ─ 04
2.1.2 CEE socket (EUT 2)
Connector for disturbance voltage measurements on three-phase EUTs with a star
type alternating voltage up to 240 V (corresponds to a delta-type alternating voltage of
415 V) and direct voltages up to 350 V. The maximum constant current per phase is 32
A.
2.1.3 Fan
The fan can be manually operated to prevent damage caused by overheating. This is
done by pressing the momentary contact switch. The ventilation of the V-network is
automatically set to full speed at an internal housing temperature of approx. 50 °C and
the fan LED turns orange. If the coil temperature is greater than 100 °C, an acoustic
alarm sounds and the fan LED turns red.
See (3) in Figure 2-1.
2.1.4 Pulse limiter
The switchable pulse limiter limits voltage peaks up to 140 dBµV at the RF output. This
corresponds to a measured disturbance signal level of 150 dBµV. Keep in mind that
the test receiver only covers a 9 kHz spectral component of a broadband disturbance
signal.
When the device is powered on, the pulse limiter is always activated and must be
intentionally switched off. This ensures that it cannot be accidentally switched off.
If the pulse limiter is switched on, the green LED lights up.
See (4) in Figure 2-1.
Figure 2-2: Basic principle of the pulse limiter
2.1.5 Line selection
Rotary switch for selecting the measuring path (L1, L2, L3 and N) of the V-network to
the test receiver. The measuring path LED which corresponds to the measuring path
selection is illuminated in green.
Front panel view
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