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Schloder SESD 200, Operation Manual

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Schloder SESD 200 Operation Manual Download Page 14

 

User manual SESD 200 

 

page 14

 

8.

 

ESD test field 

8.1.

 

About what's written in the standard 

 

Drawing 6 

 

 
A

 

typical position for indirect discharge to 
the vertical coupling plate (VCP) 

B

 

typical position for direct discharge 

C

 

typical position for indirect discharge to 
the horizontal coupling plate (HCP) 

 

1

 

V

ertical 

C

oupling 

P

late (50 x 50 cm) 

2

 

Insulation plate 

3

 

H

orizontal 

C

oupling 

P

late (160 x 80 cm) 

4

 

Resistor’s 470 kOhm 

5

 

Ground plane (earth reference) 

6

 

Wooden table (h = 80 cm)  

7

 

ESD power supply 

 

Summary of Contents for SESD 200

Page 1: ...OPERATION MANUAL ESD GENERATOR SESD 200 ...

Page 2: ...gerous The local national and all applicable safety regulations must be obeyed for operation of this unit The device must only be used by experienced electric technicians see VDE 0140 People using cardiac pacemakers should be excluded from the test area Before using the generator please read this manual and also the warnings to the safety points under item 1 ...

Page 3: ... KEY 10 5 10 DISCHARGE RETURN CABLE 10 5 11 DISCHARGE ELECTRODES FOR CON AIR 11 5 12 CONNECTOR POWER SUPPLY 11 5 13 CONNECTOR FOR A TRIPOD 11 5 14 ADJUST THE CONTRAST OF THE LCD DISPLAYS 11 5 15 SERIAL NUMBER 11 5 16 GENERATOR RESET 11 6 POWER SUPPLY 12 6 1 CONNECTOR ESD GENERATOR 12 6 2 FUNCTION SELECT SWITCH 12 6 3 POWER LED 12 6 4 CHARGE LED 12 7 CALIBRATION 13 7 1 TEST EQUIPMENT FOR THE CALIBR...

Page 4: ... can be touched should be shielded This is important with both the ESD Generator and the object under test While using the SESD 200 it must be sure that the ground earth connection is fastened at the generators ground and connected to earth potential The interference generator SESD 200 is according to its specifications designed only for laboratory use in the industrial surrounding tests in an Far...

Page 5: ...rnished or oxidised surfaces there will be no triggering of impulses The display will show NO contact This item makes sure that a discharge took place in the contact discharge mode Important The approach at air discharge has to be started from a distance of at least 20 cm otherwise there is the danger of multiple discharge at the single shot mode discharge voltage can t rise high enough and is rec...

Page 6: ...on Drawing 2 1 ON OFF switch 2 Potentiometer output voltage adjust and special function 3 Polarity of the pulse positive and negative 4 Mode CON AIR contact discharge or air discharge 5 Repetition frequency 6 Counter pre selectable 7 Continuous discharge 8 LCD Display ...

Page 7: ... red 16 Function select switch for line using or charging 17 Connector to ESD generator 9 Trigger key 10 Connector for the discharge return cable 11 Discharge electrodes for CON 11 Discharge electrodes for AIR 12 Connector for the power supply 18 Connector for an optical RS 232 Converter 13 Connector for a tripod ...

Page 8: ... air discharge 0 2 kV to 9 0 kV with test method contact discharge The voltage value is shown in the upper line of the LCD display The voltage can be changed in steps of 100 Volts by turning the potentiometer slowly Turning the potentiometer fast will increase the voltage steps On the left hand of the voltage display the respective test level L1 to L4 is shown 5 3 Polarity Referring to the standar...

Page 9: ...play doesn t show NO CONTACT Notice in this case a discharge will be done If you don t want the function contact control with the service menu you are able to switch ON and OFF this function Please ask the manufacturer or your dealer 5 4 2 Discharge voltage at AIR discharge In the test mode AIR and Single the real discharge voltage we can show in the display After the discharge and hold on the tri...

Page 10: ...The upper line of the two line display shows the test voltage in kV and polarity The left side of the lower line gives information about the test mode CON AIR the right side shows the selected repetition frequency If the pre set counter is activated the value is shown in the middle of the lower line Special information s a BAT If this message appears in the upper line on the right hand the built i...

Page 11: ...CONTRAST With the potentiometer 2 the contrast can be changed By pressing the POLARITY key again the new parameters are saved 5 15 Serial number Each ESD generator SESD 200 has a serial number written into the software You can display the number on the LCD display as follow Switch OFF the ESD generator Press and hold down the CON AIR or REP FREQ key then press shortly the ON OFF key The display sh...

Page 12: ...pply is on burning the charging process needs approximately 45 minutes The accumulator has now 55 of his capacity Now the accumulator charge with constant voltage the current goes continuously down to 0 2 A This charging process needs approximately 45 minutes too and is shown with a yellow blinking LED 15 and a ratio of 7 8 The accumulator has now more than 80 of his capacity After this cycles the...

Page 13: ...d with an oscilloscope with a bandwidth of at least 1 GHz The test bed has to be set up as shown in the drawing above For further information s concerning the normative probe please have a closer look into the standard IEC 61000 4 2 EN 61000 4 2 The most important parameters like rise time and pulse width are defined with a tolerance of 30 Therefore we recommend a calibration every three years ...

Page 14: ... the vertical coupling plate VCP B typical position for direct discharge C typical position for indirect discharge to the horizontal coupling plate HCP 1 Vertical Coupling Plate 50 x 50 cm 2 Insulation plate 3 Horizontal Coupling Plate 160 x 80 cm 4 Resistor s 470 kOhm 5 Ground plane earth reference 6 Wooden table h 80 cm 7 ESD power supply ...

Page 15: ... Between the EUT including cables and the coupling plate an additional insulation of 0 5 mm thickness is found The coupling plate has to rise at least 10 cm above the EUT otherwise a bigger table has to be used Testing bigger EUTs the EUT with all its cables has to be insulated 10 cm from the ground plane 8 2 Recommendation for the set up of a testing corner Drawing 7 As described above the confor...

Page 16: ... Operation temperature 0 40 Celsius Relative humidity 0 60 Weight of the generator approx 1300 g 9 2 Air Contact discharge Discharge electrodes according IEC EN 61000 4 part 2 Energy storage capacitance 150 pF 10 Discharge resistance 330 Ω 5 Waveform of the discharge current according IEC EN 61000 4 part 2 Rise time at Contact discharge 0 7 1 0 ns 9 3 Power supply Supply voltage 85 264 VAC 47 63 H...

Page 17: ...ck schematic diagram drawing 8 Address of manufacture Schlö d er GmbH EMV Systeme Komponenten Hauptstrasse 71 D 75210 Keltern Weiler Germany Tel 49 0 7236 9396 0 Fax 49 0 7236 9396 90 e mail info schloeder emv de Web www schloeder emv de ...

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