EMTEST EFT 500 Series Bedienungsanleitung

Manual

for Operation

EFT 500

EFT/burst generator pulse 5/50ns

EFT500 – an EFT/Burst generator – is an intelligent solution

offering exactly what you need for full-compliance immunity

tests against Electrical/Fast transients phenomena. The distinct

operation features, convenient DUT connection facilities, a

clearly arranged menu structure and display philosophy as well

as the pre-programmed standard test routines make testing

easy, reliable and safe.

Extendable by a variety of test accessories the EFT 500 is a

universal equipment for abroad range of recommendations even

for three-phase applications up to 100A

•IEC 61000-4-4

•IEC 61000-4-4 Ed 2

•EN 61000-4-4

•EN 61000-4-4 Ed 2

Version: 2.00 / 15.07.2004

emc test equipment Replaces: 1.00 / 24.11.1997

Filename: eft500 operating manual v200.doc

Printdate: 15.07.04

EM TEST EFT 500 Series

Manual for Operation V 2.00 2 / 21

Contens

1. Operating Functions .....................................................................................................................................3

1.1. Front view.........................................................................................................................................3

1.2. Rear view .........................................................................................................................................4

2. Operation........................................................................................................................................................5

2.1. Description of the menus .................................................................................................................5

2.2. Main Menu .......................................................................................................................................5

2.3. Quick Start .......................................................................................................................................6

2.4. User Test Routines ..........................................................................................................................7

2.5. Test Routine as per IEC 61000-4-4 (2004-07) Ed 2 ........................................................................9

2.6. Service .............................................................................................................................................9

2.7. Setup..............................................................................................................................................10

3. Test Equipment EFT 500.............................................................................................................................11

3.1. Specification of the test parameters ..............................................................................................11

3.2. Burst generation.............................................................................................................................11

3.3. Coupling decoupling network.........................................................................................................12

3.3.1. Coupling/decoupling network for ac/dc power lines ......................................................................12

3.3.2. Capacitive coupling clamp .............................................................................................................12

3.4. Burst Test Setup ............................................................................................................................13

3.5. Computer setup for EFT/Burst testing. ..........................................................................................14

4. Technical data .............................................................................................................................................16

4.1. EFT Electrical Fast Transients Burst as per IEC 61000-4-4.............................................................16

5. Maintenance.................................................................................................................................................17

5.1. General ..........................................................................................................................................17

5.2. Test set-up .....................................................................................................................................17

5.3. Calibration and verification.............................................................................................................17

6. Delivery Groups...........................................................................................................................................18

6.1. Basic equipment ............................................................................................................................18

6.2. Accessories and options ................................................................................................................18

7. Appendix ......................................................................................................................................................19

7.1. Declaration of CE-Conformity ........................................................................................................19

7.2. EFT 500 - General Diagram...........................................................................................................20

7.3. EFT 500 - Overview .......................................................................................................................20

7.4. EFT 500 Menu overview ...............................................................................................................21

EM TEST EFT 500 Series

Manual for Operation V 2.00 3 / 21

1. Operating Functions

1.1. Front view

1Display

2"Test On"

3Function keys "F1..F7"

4Knob (Inc / Dec)

5Cursor keys "←" and "→"

6Exit

7Escape

8CRO

9HV pulse output 50 ohm

10 Ground reference

11 Coupling “On”

12 EUT test supply

1Display

All functions and parameters are displayed (8 lines with max. 40 characters).

2 Test On

By pressing the key "Test On" the test procedure is initiated with the preselected parameters. The red LED

indicates the trigger of a burst event.

3 Function keys "F1 .. F7"

Parameters and functions, displayed in the lowest line, can be selected with the related function key.

4 Knob (Inc / Dec)

The knob increments or decrements test parameters with a numeric value or selects from a list of parameters.

5 Cursor keys

Parameters and functions can be changed on-line. The selection of these parameters is realized with the cursor

moving to the left or to the right.

6Exit

Pressing of the Exit function will cause a reset of the firmware. This is only possible if no test routine is running.

7 ESC

When pressing the ESC button the user moves back one page in the menu.

8 BNC - CRO Trigger

At the BNC output the generator trigger can be checked, e.g. the burst duration, the burst repetition rate and the

spike frequency (+15 V rectangular). This output signal can also be used to trigger external measuring devices

(e.g. an oscilloscope)

9 HV pulse output 50 ohm

External coupling devices such as the capacitive coupling clamp and the coupling network CNE 503 are

connected to the coaxial 50 ohm output. Also the pulse parameters, on 50Ωand 1000Ωload condition, must be

verified at this coaxial output.

10 Ground reference

During test or calibration procedure the burst generator must be grounded to the reference ground plane.

11 Coupling

The LED indicates that the pulses are coupled to the L –N –PE line.

12 EUT test supply

The coupling / decoupling network is part of the generator. The EUT is powered via the safety laboratory plugs

at the front panel of the simulator. The nominal power mains supply is 250V/16A. For higher currents, up to

100A, the external coupling network CNE 503 shall be used.

EM TEST EFT 500 Series

Manual for Operation V 2.00 4 / 21

1.2. Rear view

EXT TRIGGER

SAFETY CIRCUIT

115

230

115

230

RS 232 CN

IEEE 488

478

FAIL 2

FAIL 1

1DUT test supply input

2Reference earth connection

3External trigger

4Mains selector 115V / 230V

5Power on switch

6Safety circuit

7Serial interface RS 232

8Remote control connector CN

9 Parallel interface GPIB / IEEE 488

10 Fail input Fail 1and Fail 2

1 DUT test supply input

The power supply for the EUT is connected to the safety laboratory connectors + and -. The front panel output is

decoupled by the internal coupling/ decoupling network.

2 Reference ground connection

The generator has to be connected to the reference ground plane of the test set up. Very important is the

connection at the front panel of the simulator.

3 External trigger

One single burst event can be released. Trigger level 5-15V positive going.

4 Mains selector

Selection of 115V / 230V

5 Power on switch

The switch is part of the mains filter. Mains fuses are part of the filter. (230V / 1A and 115V / 2A )

6 Safety circuit

To connect an external security circuit.

7 Serial interface

RS 232 interface with a 9-pole connector.

8 Remote control connector CN

To connect to the external coupling matrix CNE 503. All functions are controlled by the EFT 500. It is

recommended to connect and power the CNE 503 before turning the power mains ON at the EFT 500.

9 Parallel interface GPIB / IEEE 488

IEEE 488 interface with IEEE connector.

10 Fail detection FAIL 1 (TEST STOP)

The BNC input FAIL 1 can be used for DUT monitoring. In case of a low going signal (to chassis ground) the

EFT 500 will stop pulse generation and the actual running test routine is paused. The test routine than can be

stopped completely or can be continued from break point.

A message of FAIL 1 is indicated in the LCD display as well as in the ISM ISO software.

10 Fail detection FAIL 2 (TEST PAUSE)

The BNC input FAIL 2 can be used for DUT monitoring In case of a low going signal (to chassis ground) the

EFT 500 will stop pulse generation and the actual running test routine is paused as long as the low level signal

is available at the FAIL 2 input.

The test routine continues automatically as soon as the low level signal goes to high level.

A message of FAIL 2 is indicated in the LCD display as well as in the ISM ISO software.

EM TEST EFT 500 Series

Manual for Operation V 2.00 5 / 21

2. Operation

2.1. Description of the menus

The simulator is operated by an easy menu control system.

Seven function keys are available to select parameters and

functions.

The selected parameter is blinking and can be changed by turning the knob (incr./decr.).

The digit to be changed can be selected with the cursor (ÍÎ ).

ESC will take you back to the previous level in the menu and set the displayed values. The

latest settings are stored automatically and will be recalled when the menu is selected

again.

EXIT will reset the firmware to the main screen.

All functions are indicated on the display; max. 8 lines and 40 characters.

EM TEST

EFT 500

Burst 5/50ns

V 3.20 SWN: 001234

Start-up display example EFT 500

The serial number and the version number SWN are used for traceability reasons. These numbers are listed in

the test reports and calibration certificates. These numbers also are listed within the test reports generated by the

ISM ISO software

2.2. Main Menu

MAIN MENU

F1 : Quickstart

F2 : User test routines

F3 : Standard test routines acc IEC 61000-4-4

F7 : Service

F1 F2 F3 F4 F5 F6 F7

Quick Start

Easy and fast operation of the equipment without special functions. All parameters can be adjusted during the

running test.

User Test Routines

The user can program, save and recall his own specific test routines. He can select standard routines or special

functions such as automatic change of voltage or frequency during a test routine.

Test Routines as per IEC 61000-4-4

The user can call up the standard routines as per IEC 61000-4-4 and start them immediately.

Service

Set-up menu of the generator.

EM TEST EFT 500 Series

Manual for Operation V 2.00 6 / 21

2.3. Quick Start

Easy and very fast operation of all standard functions of the equipment. The latest simulator settings are stored

automatically and will be recalled when Quick Start is next selected.

QUICK START

V = 2000V f = 5.0kHz

td = 15.0ms tr = 300ms

kop = L N PE +/- = +

T = 5:00min

START CHANGE PRINT

F1 F2 F3 F4 F5 F6 F7

Press CHANGE and the test parameters parameter can be changed.

Select the desired parameter with the related function key and change the value by turning the front panel knob.

The cursor allows the user to define the digit to be changed (fast or slow change).

Press START and the test starts immediately with the displayed test parameters.

The operator now can navigate with the Cursor from parameter to parameter. The blinking parameter can be

changed by turning the front panel knob.

Press ESC will bring the user back to the previous menu level.

Page 3 (Change)

QUICKSTART

Voltage V : 200V - 4400V

Frequency f : 0.1kHz - 1000.0kHz

Duration td : 0.1ms - 999.9ms

Repetition tr : 10ms - 9999ms

Test time T : 0:01min - 99:59min

U f td tr kop +/- T

200 5.0 15.0 300 L N PE + 5:00

F1 F2 F3 F4 F5 F6 F7

After starting the test the elapsed testtime is displayed. All

function keys except F2 (manual trigger) can Stop the test

routine. After test stop ( Stop, Test OFF), the display keeps for

about 2s.

Burst Spezifikation gemäss IEC 61000-4-4 (2004-07) Ed 2

f = 5kHz 100kHz

tr = 15ms 0.75ms

td = 300ms 300ms

EM TEST EFT 500 Series

Manual for Operation V 2.00 7 / 21

2.4. User Test Routines

The user can program, save and recall his own specific test routines. The next pages shows the selection of the

functions.

USER TEST ROUTINES Page 1 / 2 USER TEST ROUTINES Page 2 / 2

F1 : Customized test routines F1 : Change duration after T by ∆dt

F2 : Voltage change after T by ∆VF2 : Change polarity after T

F3 : Frequency change after T by ∆f F3 : Random burst release

F4 : Frequency sweep in one single burst F4 : Synchronized at fixed angle

Page 2 Page 1

F1 F2 F3 F4 F5 F6 F7 F1 F2 F3 F4 F5 F6 F7

Each of these special functions can include 7 stored test routines.

CUSTOMISED TEST ROUTINES

F1 : Store F1 F5 : Store F5

F2 : Store F2 F6 : Store F6

F3 : Store F3 F7 : Store F7

F4 : Store F4

F1 F2 F3 F4 F5 F6 F7

After selection of a stored test file the test parameters will be indicated on the display.

Customized test routines

The software controls standard test routines according to the specification of the user. All limitations are the same

as defined under Quick Start.

Voltage change after T by ∆V

The test voltage is increased from V1 to V2 by steps of ∆V

after the defined test time T. All limitations are the same as

defined under Quick Start. The limitation of the max.

generated number of spikes is related to the higher voltage

of V1 or V2.

Frequency change after T by ∆f

The spike frequency is increased from f1 to f2, and then

from f2 to f3 by steps of ∆f after the defined test time T. All

limitations are the same as defined under Quick Start. The

limitation of the max. generated number of spikes is related

to the higher frequency of f1 , f2 or f3.

EM TEST EFT 500 Series

Manual for Operation V 2.00 8 / 21

tr >= 100ms

f1 <= f2

td >= 5.0ms

td >= 5 / f1

Frequency sweep in one single burst

During one single burst the frequency sweeps from f1 to f2.

For this function the following limitations have to be

respected:

tr -td >= 50ms

Duration change after T by ∆t4

The burst duration is increased from t4s to t4e by steps of ∆

t4 after the defined test time T. All limitations are the same

as defined under Quick Start. The limitation of the max.

generated number of spikes is related to the higher duration

of t4s or t4e.

Random burst release

No repetition rate is selected. The single burst will be

triggered randomly within the limits of 20 to 2000ms as time

between two bursts. All limitations are the same as defined

under Quick Start.

Change coupling after T

The coupling mode will be changed after the defined test

time T. All modes will be tested.

Polarity change after T

The polarity will be changed from + to - after the defined test

time T.

EM TEST EFT 500 Series

Manual for Operation V 2.00 9 / 21

2.5. Test Routine as per IEC 61000-4-4 (2004-07) Ed 2

The display shows a list of test levels as per the standards IEC 61000-4-4. In the menu Service F4Change

standard level you select between the burst frequency 5kHz and 100kHz.

Setting IEC 61000-4-4 Setting IEC 61000-4-4 Ed 2

STANDARD TEST ROUTINES STANDARD TEST ROUTINES

F1 : Level 1 260 V / 5.0 kHz F1 : Level 1 260 V / 100.0 kHz

F2 : Level 2 500 V / 5.0 kHz F2 : Level 2 500 V / 100.0 kHz

F3 : Level 3 1000 V / 5.0 kHz F3 : Level 3 1000 V / 100.0 kHz

F4 : Level 4 2000 V / 5.0 kHz F4 : Level 4 2000 V / 100.0 kHz

F5 : Level 5 4000 V / 5.0 kHz F5 : Level 5 4000 V / 100.0 kHz

F6 : Level X - Level Y F6 : Level X - Level Y

F1 F2 F3 F4 F5 F6 F7 F1 F2 F3 F4 F5 F6 F7

The function key F5 selects a procedure which starts at test level X and stops at test level Y. The test level is

changed automatically after the preselected test time T.

(X <= Y)

Page 3 (Show values)

Standard IEC 1000-4-4 Level 3

V = 2000V f : 100 kHz

td = 0.8ms tr : 300ms

kop = L N PE +/- : +

T = 1:00min

The Standard defines the burst duration at

100kHz with 0.75ms. The EFT 500 does not

support a resolution of 0.05ms.

The burst duration at 100kHz is set to 0.8ms

which is inside the specified tolerance of the

standard of 0.75ms ±20%

F1 F2 F3 F4 F5 F6

The functions START, CHANGE and PRINT are the same as defined under Quick Start.

The function key CHANGE can only handle the coupling, polarity and the test time.

All other parameters are defined by the standard.

2.6. Service

SERVICE

F1 : Address EM TEST AG

F2 : Selftest

F3 : Set-up

F4 : Change standard levels

F5 : Print all

F1 F2 F3 F4 F5 F6 F7

F1 Addresses

All important data regarding EM TEST are indicated.

F2 Selftest

Selftest for check the key functions.

F3 Set-up

The software will clearly explain the set-up procedure.

F4 Change standard levels

This procedure allows the user to change the standard values to his actual requirements.

F5 Print all

All stored settings are printed to the serial interface RS 232.

EM TEST EFT 500 Series

Manual for Operation V 2.00 10 / 21

2.7. Setup

SETUP

F1 : Change language

F2 : LCD backlighting

F3 : Interfaces

F4 : Keyboard-Beeper

F5 : Timer

F6 : Safety circuit

F1 F2 F3 F4 F5 F6 F7

Change language

The user can chose between two languages, German and English.

LCD backlighting

With the use of F2 the backlighting can be switched On or Off. Additionally the Auto Off function can be

programmed to switch off the backlighting after a specified time the generator has not been in operation (1 -

30min).

Interfaces

This menu will help the user to define the status of the integrated serial and parallel interfaces, e.g. the baud rate

of the RS 232 or the address of the IEEE interface.

Keyboard-Beeper

F1 is the selector for the beeper ON/OFF mode.

The beeper is always on when a test routine is finished. To indicate that a running test is finished the beeper

sounds 3 times.

Timer

Pressing of F5 will show the total operating time of the test equipment.

Safety circuit

F6 shows the state of the security circuit. It can be switched on and off.

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