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EM Test EFT 500N5.1 4.8kV Burst Generator with Built-In CDN 3x440V 32A

New

  • With 3-ph coupler, AC: 3x 440V/ 32A, DC: 270V/ 32A
  • 10,000 Pulses/sec.
  • 4.8kV Burst Voltage
  • Spike Frequency up to 1MHz
  • Built-in 1ph or 3ph coupler up to 50A
  • Pulse Verification acc. to Ed.3 on each coupling path

Applications:

  • Industry
  • Medical
  • Broadcast
  • Residential

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Manual

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Test Equipment Description

EFT/Burst Generator Pulse 5/50ns

EFT 500Nx series – 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 EUT 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 500Nx 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 3 
  • EN 61000-4-4 
  • EN 61000-4-4 Ed 3

Operating Functions

Front Panel

EM Test EFT 500N Front View
1 Display
All functions and parameters are displayed (8 lines with max. 40 characters).		7ESC 
When pressing the ESC button the user moves back one page in the menu.
2 Function keys “F1 .. F7”
Parameters and functions, displayed in the lowest line, can be selected with the related function key.		8BNC 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)
3 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.		9HV 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 50Ω and 1000Ω load condition must be verified at this coaxial output.
4 Knob (Inc / Dec)
The knob increments or decrements test parameters with a numeric value or selects from a list of parameters.		10Ground reference
During test or calibration procedure the burst generator must be grounded to the reference ground plane.
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.		11Coupling
The LED indicates that the pulses are coupled to the L –N –PE line.
6 Exit
Pressing of the Exit function will cause a reset of the firmware. This is only possible if no test routine is running.		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.

Rear view

EM Test EFT 500N Rear View
1

Voltage indicator
Glow lamp for phase detection. The glow lamp is connected to PE and indicates a correct phase connection. Is the lamp not on, the voltage is off or the phase and neutral is inverse.

9USB interface
USB interface “USB B” connector. For data transfer a USB interface is available. The internal RS 232 interface is converted to USB standard. Therefore the user must set the same Baud rate in the device and control software.

Using the USB interface the user can have emc problems during burst tests Our experiences says, that usually the computer USB port is disturbed by interference’s. Therefore a high quality USB cable (USB 2.0 standard) must be used. EFT 500N8 models are equipped with an optical USB interface. 
2

EUT 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.

10Remote control connector CN
To remote control an 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.
3Ventilator
Behind the ventilator hole a free space of at least 10cm for device cooling is necessary. 		11

SYNC input
EM Test EFT 500 SYNC InputAn ac voltage to which the events shall be synchronized is connected to this input. If no voltage is available the tests are started automatically in asynchronous mode with no phase angle adjust for pulse release. Normally this input shall be connected directly to L1 plug. The maximum input voltage is 300Vac.

4Label for serial number
The serial number tag indicates additionally the operating voltage and used fuse sizes.		12Reference 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.
5

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

13Mains plug
C14 type plug, for ac mains power 115V/240V 50/60Hz.
6Power on switch
The switch is part of the mains filter. Mains fuses are part of the filter. (230V / 1A and 115V / 2A)		14Safety circuit
For connect an external security circuit.
7Mains selector
Selection of 115V / 230V		15Parallel interface GPIB / IEEE 488
IEEE 488 interface with IEEE connector.
8Fuse holder
Mains fuse 2-pole (phase and neutral). Fuse 5 x 20mm (230V / 1A and 115V / 2A) slow blow		16Fail 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.

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.

Technical Data
EFT Electrical Fast Transients Burst as per IEC 61000-4-4
Test LevelN5 / N5.x N8 / N8.x
Open circuit200V - 4800V ± 10% Step 20V1000V - 7000V ± 10% Step 50V
Wave shape into a 50Ω load100V - 2400V500V – 3500V
Rise time tr5ns ± 30%
Pulse duration td50ns ±30%
Rise time tr5ns ± 30%
Pulse duration td35ns - 150ns
Source impedanceZq = 50Ω ± 20%
PolarityPositive / Negative
Output
Test Level EFT 500 N5 /N5.4 /N5.5 /
N5.6 / N8 /N8.2		 EFT 500 N5.2 /N5.7 /
N5.8/N8.1
Direct via 50Ω coaxial connectorTo connect ext. coupling devices 
Coupling networkTo L, N, PE all combinations 
EUT power mains AC 50/60Hz250 V / 16 A N5/ N8
250 V / 32 A N5.5/ N5.6/ N8.2
690 V / 32 A N5.4		3 x 440V/16A EFT N5.7
3 x 440V/32A EFT N5.1/N8.1
3 x 440V/50A EFT N5.2
3 x 690V/32A EFT N5.8
EUT DC power270V / same as AC270V / same as AC per line@@
Max Output voltage to 3-phase coupling may be reduced
EUT power supply fuseThe EUT power supply fuse must be installed external. The fuse dimension must match the rated current of the devices EUT current
Test routines
Quick StartImmediate start, all parameters adjustable during a running test
Standard test as perIEC 61000-4-4 : N5 level 1 ... level 5
Level X - Level Y		N8: level 1 ... level 4
User test routinesCustomized test routines
Voltage change after T by △V
Frequency change after T by △f
Frequency sweep in one single burst
Change duration after T by △td
Change polarity after T
Statistical burst release
Synchronized at fixed angle
Safety
Safety circuitControl input ( short circuit )
Designas per IEC 1010, EN 61010
Interfaces
USBUSB (compatible to USB 1.1 and 2.0); optical for N8 models
IEEEParallel, addresses 1-30
CN portControl of CNE 503 for 3-ph testing
Opto LinkOptical interface
General Data
Dimensions and Weight
DeviceWeightDimension
EFT 500N512.6 kg19" / 3 HU
EFT 500N5.122.4 kg19" / 6 HU
EFT 500N5.2ca. 40 kg19" / 6 HU
EFT 500N5.312.0 kg19" / 3 HU
EFT 500N5.420.0kg19" / 6 HU
EFT 500N5.5ca. 20.0kg19" / 6 HU
EFT 500N5.613.5kg19" / 3 HU
EFT 500N5.717.0kg19" / 6 HE
EFT 500N5.822.6kg19" / 6 HE
EFT 500N814.4kg19" / 6 HU
EFT 500N8.1ca 40 kg19" / 6 HU
EFT 500N8.220.0kg19" / 6 HU
Power supply115V/230V +10/-15% 50/60Hz
Power supply115V/230V +10/-15% 50/60Hz
Power265W max.
Fuses230V : 2 x T 2A slow blow
115V : 2 x T 4A slow blow

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