EMTEST N Series Bedienungsanleitung

Operating-

manual

CNV 504N1 CNV 504N2

N-Series

Coupling network for

surge to signal and datalines

CNV 504N1.1, N1.2 , N1.3 , N1.6

CNV 508N1, N1.1, N1.2 N1.3

CNV 508N2, N2.2 N2.3 N3.3

The coupling network of the series CNV 504 / 508 are designed

for coupling surge- or telecom pulses to signal or data lines.

The coupling network expands the range of application of the

impulse generator UCS500, VCS500 and CSS500 for testing

signal and data lines.

Main characteristics are the advantages for handling and the

easy using with banana plugs.

EN/IEC 61000-4-5

EN 50121-3-2

EN 50155

Version:

1.20 / 01.06.2017

The benchmark for emc

Replaces:

1.19 / 29.03.2016

Filename:

UserManual-CNV504-508-N1-N2-E-V1.20

Print date:

01.06.17

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 2 / 23

EM TEST (Switzerland) GmbH

Sternenhofstrasse 15

4153 Reinach BL1

Switzerland

Phone : +41 61 717 91 91

Fax : +41 61 717 91 99

URL : http://www.emtest.com

Information in earlier versions. Specifications subject to change

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 3 / 23

Content

1. Standards for testing with coupling networks of CNV 504 / CNV 50x series.............4

1.1. Device models....................................................................................................................................4

1.2. Impulse generators.............................................................................................................................6

2. Safety................................................................................................................................7

2.1. Safety aspects....................................................................................................................................7

2.2. Testing and danger.............................................................................................................................8

2.2.1. Coupling networks..............................................................................................................................8

2.2.2. Danger from EUT ...............................................................................................................................8

3. Device functions and operating.....................................................................................9

3.1. Operation elements on the CNV 504 / CNV 508 series.....................................................................9

3.2. General ...............................................................................................................................................9

3.3. Input / output to CNV 504 / 50x............................................................................................................9

3.4. Coupling............................................................................................................................................10

3.4.1. Coupling to signal and data lines .....................................................................................................10

3.4.2. Coupling to Telecom Lines...............................................................................................................10

3.5. Test setup.........................................................................................................................................11

4. Technical data ...............................................................................................................13

4.1. CNV 504N1 / CNV 508N1 ................................................................................................................13

4.2. CNV 504N1.2, CNV504N1.3..........................................................................................................13

4.3. CNV 504N1.6....................................................................................................................................14

4.4. CNV 504N2 / CNV 508N2 ................................................................................................................14

4.5. CNV 508N1.2 / CNV 508N2.3..........................................................................................................15

5. Maintenance...................................................................................................................16

5.1. General.............................................................................................................................................16

5.2. Calibration and Verification...............................................................................................................16

5.2.1. Factory calibration ............................................................................................................................16

5.2.2. Guideline to determine the calibration period of EM Test instrumentation ......................................16

5.2.3. Calibration of Accessories made by passive components only: ......................................................16

5.2.4. Periodically In-house verification......................................................................................................16

5.3. Maintenance, Adjustments, Replacement of Parts ..........................................................................17

6. Delivery Groups.............................................................................................................17

6.1. Basic equipment...............................................................................................................................17

6.2. Accessories ......................................................................................................................................17

7. Coupling devices...........................................................................................................18

7.1. Coupling network CNV 504N1, CNV 504N1.2, CNV 504N1.3, CNV 504N1.6 ................................18

7.1.1. Diagram CNV 504N1 / 508N1..........................................................................................................19

7.2. Coupling network CNV 504N2..........................................................................................................20

7.2.1. Diagram CNV 504N2 / 508N2..........................................................................................................20

8. Appendix........................................................................................................................21

8.1. Declaration of conformity..................................................................................................................21

8.2. Overvoltage protection on sensor input............................................................................................22

8.3. Transferfunktion in function with the EUT Impedance .....................................................................23

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 4 / 23

Standards for testing with coupling networks of CNV 504 / CNV 50x series

The coupling network CNV504 / CNV50x series are suitable for testing the following standards:

- IEC 61000-4-5

Surge 1.2/50s , 10/700s

- EN 50121-3-2

Surge CNV 504N1

- IEC 61000-4-12

Ringwave

1.1.

Device models

Following coupling decoupling network for signal and data lines exist:

Standard devices:

CNV 504N1

4kV coupling/decoupling network for Surge and Ringwave onto 4 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/1A

CNV 504N1.1

4kV coupling/decoupling network for Surge and Ringwave onto 4 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/4A

CNV 504N1.2

4kV coupling/decoupling network for Surge and Ringwave onto 4 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 250V/1A

CNV 504N1.3

4kV coupling/decoupling network for Surge and Ringwave onto 4 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 250V/4A

CNV 504N1.4

4kV coupling network for 4 data/signal lines 50V,

via coupling capacitor and gas arrestor

(No decoupling included !!!)

CNV 504N1.5

4kV CDN for 4 data/signal lines 230V/1A,

via coupling capacitor and gas arrestor (600V)

CNV 504N1.6

4kV coupling/decoupling network for Surge and Ringwave with

40ohm via 0.5uF capacitor (asper fig.11, IEC 61000-4-5) and gas arrestor (as per Fig.12) ;

with 3.3uF capacitor for Ringwave (as per fig.9, IEC 61000-4-12);

Rated line voltage/current 250V/4A, max. 50V for tests with gas arrestor

CNV 508N1

4kV coupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/1A

CNV 508N1.1

4kV coupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/4A

CNV 508N1.2

4kV coupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 250V/1A

CNV 508N1.3

4kVcoupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 250V/1A

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 5 / 23

CNV 504N2

7kV coupling/decoupling network for Surge and Ringwave

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/1A

CNV 504N2.1

7kV coupling/decoupling network for Surge and Ringwave

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/4A

CNV 504N2.2

7kV coupling/decoupling network for Surge and Ringwave

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 250V/1A

CNV 508N2

7kV coupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/1A

CNV 508N2.1

7kV coupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 50V/4A

CNV 508N2.2

7kV coupling/decoupling network for Surge and Ringwave onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5);

with 3.3uF capacitor for Ringwave (as per Fig. 9, IEC 61000-4-12);

Rated line voltage/current 250V/1A

CNV 508N2.3

7kV coupling/decoupling network for Surge onto 8 signal/data lines;

coupling via capacitor

Rated line voltage/current 250V/4A

CNV 508N3

10kV coupling/decoupling network for Surge onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5) and arrestor (as per Fig.12);

Rated line voltage/current 50V/1A

CNV 508N3.2

10kV coupling/decoupling network for Surge onto 8 signal/data lines

with 40ohm via 0.5uF capacitor (as per Fig. 11, IEC 61000-4-5);

Rated line voltage/current 250V/1A

CNV 508N3.3

10kV coupling/decoupling network for Surge onto 8 signal/data lines;

coupling via capacitor

Rated line voltage/current 250V/4A

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 6 / 23

IEC 61000-4-5 Ed.2 Figure 11

IEC 61000-4-5 Ed.2 Figure 12

IEC 61000-4-12 Figure 9

1.2.

Impulse generators

The CNV 504/CNV 508 can be used for the following surge generators:

Device

previous name

Pulse

Remark

compact NX5

1.2/50s - 8/20s

up to 5000V as per IEC 61000-4-5

UCS 500N4

UCS 500M4

1.2/50s - 8/20s

up to 4000V as per IEC 61000-4-5

UCS 500N5

1.2/50s - 8/20s

up to 5000V as per IEC 61000-4-5

UCS 500M6

1.2/50s - 8/20s

up to 6600V as per IEC 61000-4-5

UCS 500N6

UCS 500M6B

1.2/50s - 8/20s

up to 6600V as per IEC 61000-4-5

UCS 500N7

1.2/50s - 8/20s

up to 7000V as per IEC 61000-4-5

VCS 500N4

VCS 500

1.2/50s - 8/20s

up to 4000V as per IEC 61000-4-5

VCS 500N8

VCS 500M8

1.2/50s - 8/20s

up to 8000V as per IEC 61000-4-5

VCS 500N10

VCS 500M10

1.2/50s - 8/20s

up to 10000V as per IEC 61000-4-5

TSS 500M4

10/700s / 1.2/50s

up to 4000V as per IEC 61000-4-5

TSS 500M2B

1.2/50s - 8/20s

up to 2000V as per Bellcore

TSS 500M2F

<2/>10s

up to 2500V as per FCC part 68

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 7 / 23

Safety

2.1.

Safety aspects

Read the following operation manual carefully. Pay special attention to both safety and operation details !!!

Observe all of these precautions to ensure your personal safety and to prevent damage to the test equipment.

The generators correspond to Installation Category II (overvoltage category).

Symbols marked on equipment

WARNING

Risk of electric shock. Dangerous voltages are present.

Use extreme care. Refer to the manual.

GROUND

Indicates protective earth terminal

Power Mains

The equipment is intended to operate with a power mains supply that will not apply more than 250Vrms between

the supply conductors or between either supply conductor and ground. A proper protective ground connection,

through the grounding conductor in the power cord, is essential for safe system operation.

Safety Ground and grounding the generators

The generators are grounded through the power cord. To avoid electrical shock, plug the power cord into a

properly wired receptacle where earth ground has been verified by a qualified service person. Do this before

making connections to the input or output terminals of the test equipment.

Without the protective ground connection, all parts of generators are potential shock hazards. This includes

knobs and controls that may appear to be insulators. The equipment MUST NOT BE USED if this protection is

impaired.

Use the proper power cord

Use only the power cord and connector specified for your product. Only use a power cord that is in good condi-

tion.

Use the proper fuse

To avoid fire hazard, use only the fuse specified in the parts list for your product, with matching type, voltage

rating, and current rating.

Do not remove covers or panels

To avoid personal injury, do not operate the generators without the panels in place or covers.

Do not operate in explosive atmospheres

The generators provide no explosion protection from electrostatic discharges or arcing components. Do not oper-

ate them in an atmosphere of explosive gases around explosive chemicals.

Electric Overload

Never apply a generator's voltage to a connector which is not specified for that voltage range.



Read the Operation Manual of each instrument carefully!

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 8 / 23

2.2.

Testing and danger

All tests offered by the High Voltage or EMC generators are immunity tests on electronic equipment or devices.

These tests are potentially dangerous for the operator. Therefore it is the responsibility of the user to avoid critical

failures and risks to the environment and operator.

Long and distributed lines of the DUT are able to radiate certain energy to their vicinity. Therefore it is also the

responsibility of the user to decide whether it is allowed to conduct immunity tests in a given installation.

Test voltages above 500V may generate spark discharges. Therefore it is forbidden to test in an explosive envi-

ronment.

National and international recommendations regarding human safety must be followed.

People with certain health conditions, e.g. with a heart pace-maker or similar device, must be excluded from test-

ing.

When setting up the test national and international regulations regarding human safety have to be guaranteed.

Generator and coupling/decoupling network must be grounded and connected to reference plane.

2.2.1.

Coupling networks

The coupling network has mostly no On- Off switch and no internal fuse for the EUT power supply. This is

caused the different regulation in each country. The device under test must be protected by the user in an

adequate safe solution. As an option special adapters and switches can be built in, but the user must to spec-

ify this special solutions.

Generators and coupling devices must be grounded and connected to the reference ground.

For coupling pulses to the lines the coupling path must be settled.

If a line has not to be coupled, it is necessary to disconnect or switch off this coupling path.

Special safety adapter cables are part of the delivery.

2.2.2.

Danger from EUT

The device being tested may become defective and

ignite due to the influence of the applied test signal.

Therefore the operator shall take the following precautions:

As soon as the EUT ceases to operate as intended, the test shall be stopped immediately.

In case of internal damage, the operator may be exposed to high frequency signals of high power (up to 75

Watts and more) anywhere on the EUT.

Cables and connectors can be overloaded by high voltages or energies.

Due to internal damage of components fire and/or explosion may occur.

Unintended use of the EUT may cause hazardous situations in the vicinity of the test area.

Never touch the EUT or anything connected to the EUT during a test.

It is suggested to read the operating manual carefully and completely. It is absolutely necessary to ob-

serve and comply with all safety recommendations.

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 9 / 23

Device functions and operating

3.1.

Operation elements on the CNV 504 / CNV 508 series

The position of the short circuit connectors are in relation to standard IEC 61000-4-5 as figure 11 and 12 respec-

tive figure 9 in IEC 61000-4-12 for Ringwave.

The switches S1 and S2 correspond to the positions of the jump-

ers on the pictures.

With two short-circuit connectors (S1 …S3) the coupling modes

can be selected on top/front of the coupling unit.

S1: Return of a line or the earth back to the generator COM

S2: Coupling of the high voltage to one line

S3: Selection of the coupling mode via gas arrestor or 0.5F

coupling capacitor or the 3.0F capacitor for ringwave

pulse.

It is not possible to couple several lines at the same time. The

operator would cause a short-circuit between the lines.

The operator has to select „/“ for the coupling mode of the surge

generator. This means that no coupling mode for the internal cou-

pling network of the surge generator shall be selected.

3.2.

General

The coupling network has to couple the interference pulses in a well defined way to the input/output lines of an

electronically system. The coupling is realized by coupling capacitors according IEC 61000-4-5 in figure 11 or with

the help of gas arrestors as per IEC 61000-4-5, figure.

The decoupling part is required for the following reasons:

to decouple auxiliary equipment or other instruments connected

at the same line; protection of non tested equipment

to increase the line impedance for the surge generator

Due to the filter of the CNV decoupling network the data signals

cannot pass the CNV. CDN with special decoupling networks can

extend the frequency range.

3.3.

Input / output to CNV 504 / 50x

The input/output connectors of the coupling network are located at each side of the housing. The lines under test can

be connected with safety laboratory cables. All lines are single lines.

Also at one side of the housing the connectors for the surge

generator are mounted. There are the same cables as be used for

the CNV 503 or the coupling matrix CNI for coupling to power

lines.

For reduce the influence of the cable we propose to twist the

high voltage cables from the impulse generator to the CNV

The plugs have the following color code:

High voltage HV : coaxial cable or red cable ( >4kV)

High voltage COM : black

Earth connection CNV : green - yellow

The earth must be connected at the earth plug on the rear side of the generator UCS500 / VCS500.

EM TEST CNV 504N1/N2 / 508N1/N2

Operating manual V 1.20 10 / 23

3.4.

Coupling

The coupling network has to couple the interference pulses in a well defined way to the input/output lines of an

electronicallysystem. The coupling is realized by coupling capacitors according IEC 61000-4-5.

The surges may be coupled in two different coupling modes to the lines:

Line to ground (unsymmetrical)

Line to line (symmetrical)

3.4.1.

Coupling to signal and data lines

The coupling to I/O lines is generally realized with coupling networks different from those used for power supply lines.

The loading of the I/O lines with big coupling capacitors is mostly impossible. The data transmission may be

disturbed.

For coupling to I/O lines special couplers acc. IEC 61000-4-5 are available, with smaller coupling capacitors such as

the CNV 504 and the CNV 508 for four respectivelyfor eight wire systems.

For much application it will be necessary to design special coupling/decoupling networks according to the

specification of the lines under test.

3.4.2.

Coupling to Telecom Lines

The coupling to telecom lines is generally realized with other coupling networks than for power supply lines. The

loading of the telecom lines with big coupling capacitors is mostly not possible. The data transmission will probably be

disturbed.

For coupling to telecom lines special couplers as IEC 61000-4-5 are available, with smaller coupling capacitors or

gas arrestors such as the CNV 50x S1 series for 4, 6, or 8 wire systems.

For much application it will be necessary to design special coupling/decoupling networks according to the

specification of the lines under test.

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