601-271C - NSG 439 439A User Manual english.indd
Contents
1. Wiring diagram for the interlock system S External safety switch e g test enclosure hood door contact panic button etc Several interlock inputs of this type may be connected in parallel NSG 439 439A ESD simulator for robotic solution The contacts should be connected in series if numerous access barriers are necessary Either one open contact or a voltage of more than 1 5 V at the input is sufficient to disable the simulator 23 WL SELECT supply HP recognition TASEO Advanced Test Solutions for EMC 24 4 2 6 Measurement adapters The measurement adapter type MD 101 as per IEC EN 61000 4 2 2001 serves to verify pulse amplitudes and pulse shapes It is designed for mounting in the Side wall of a Faraday cage in which an oscilloscope has been installed This measurement adapter has the flat impedance curve to well over 1 GHz that is necessary for the purpose Use of this adapter is only worthwhile in conjunction with a test rig that is laid out in strict conformity with the relevant standard see section verification of pulse data Coax connector Mounting flange Contact surface target MD 103 Pommerenke target is a more advanced coaxial measuring target with flat response characteristics up to the multi GHz range It may be used instead of MD 101 MD 103 with INA 103 NSG 439 439A ESD simulator for robotic solution 5 COMMISSIONING2. NSG 439 NSG 439A ESD SIMULATOR FOR ROBOTIC SOLUTION USER MANUAL 601 271C A vanced Test Solutions for NSG 439 NSG 439A ESD SIMULATOR FOR ROBOTIC SOLUTION USER MANUAL CONTENTS 4 1 1 4 1 2 4 2 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 5d 1 1 2 3 7 3 2 7 3 9 7 3 4 Explanation of the symbols used this manual Safety Introduction Electrostatic discharge ESD Simulation Effects on the EUT The NSG 439 The simulator Block diagram Operating elements System components Battery charger power supply unit Options Discharge networks Remote triggering nterlock easurement adapters Commissioning Function test Mechanical mounting Operation Switching on Battery monitoring Operation and settings Display mode Voltage Polarity Counter O Ci 12 13 13 15 16 17 17 18 18 20 24 25 25 26 28 28 29 30 31 33 33 33 7 3 5 7 3 6 7 3 7 7 3 8 73 9 7 3 10 7 3 11 7 3 12 7 3 13 7 3 14 7 3 15 8 1 8 2 10 11 11 1 11 2 11 2 1 11 3 11 4 11 5 11 6 11 7 11 8 12 13 14 15 16 Repetition Settings Language Device info Discharge Threshold ISO Selftest Level Program Trigger button Continuous operation Test procedures Standard compliant procedures Other situations Verification of the pulse data Typical pulse data Maintenance Calibration Exchanging the R C network Reduction of pulse repetition r
3. Each electrostatic discharge produces powerful elec tromagnetic interference Nearby electronic equipment can be seriously disrupted unless the appropriate counter measures are taken Perform ESD tests preferably in a shielded room If a network needs to be exchanged the test has to be E stopped first followed by a waiting time of at least 5 s to ensure the voltage being internally discharged The rechargeable batteries in the base station must not be short circuited under any circumstances They must only be recharged with the original charging unit supplied with the simulator Should they have to be replaced kindly observe the relevant recommendations for their correct disposal The instrument must not be opened Repairs maintenance work and internal adjustments are only to be carried out by a qualified service engineer Use the instrument only in dry surroundings Any condensation that occurs must be allowed to evaporate before putting the simulator into operation Long periods of exposure to sunlight and excessive warming by external energy Sources are to be avoided Do not continue to use the instrument should any mechanical damage occur The instrument s housing and the cable have both an insulating and a screen ing function which can only be assured while the housing is intact Return a damaged simulator to a Teseq service centre immediately for repair Teseq AG Luterbach Switzerland and the associated sales organiza
4. Repetition The lt Free adjust gt operating function is included in NSG 439 products from serial number 521 March 2006 upwards EUT discharge on NSG 439 A To remove the charged energy of a EUT the NSG 439 A has an internal bleed of resistor which can be via internal relay activated With the time T1 T2 and T3 the charge removing procedure can be flexible programmed Al time value can be set from 0 1 up to 99 s in 0 1 s step EUT discharge on NSG 439 To remove the charged energy of a EUT an external charge removing box can be connected to the base station and will operate the same way as in the NSG 439 A version EUT Disch E T1 1 0 pulse t T2 3 3 57 Charging t level gt Relais T NN T4 status Oi we TASEO Advanced Test Solutions for EMC 35 36 7 3 6 Settings This branches into a range of submenus thus 7 3 7 Language Touch the button and choose the language you wish to use with the wheel Note Language looks like this in Japanese ap 7 3 8 Device info Gives information separately for the pistol and the base station regarding the version of the equipment and its software 7 3 9 Discharge Depending on mounted finger tip the sign shows the actual discharge mode Air discharge or contact discharge i3 The R C values for the relevant network are also shown The corresponding value is automatically loaded Th
5. mum immediately upon receipt check the instrument and the accessories for com pleteness and look for any transport damage Damage incurred in transit must be reported to the transportation undertaking without delay Before putting the instrument into operation m Study the manual m Take the necessary safety precautions m Charge the battery see section battery charger m Plug the interlock terminators into the base station m Connect the earth cable correctly the NSG 439 must never be switched on without a solid earth connection being made m Allow the instrument to dry out if any condensation has occurred 5 1 Function test Switch the simulator on with the on off switch The instrument performs audible switching operations for a few moments as it runs through a self test and calibration procedure The instrument is ready for use once the selftest routines have been com pleted The default display looks like this High voltage generation is activated by pushing Test remote the trigger button and keeping it depressed 26 300 By bringing the test finger close to the earthing point an arc discharge occurs which is acknowl Program 1 edged acoustically and the display shows the c Settings preset discharge voltage in a frame This applies under the following conditions air discharge single pulse preselect counter off TASEO Advanced Test Solutions for EMC 26 6 MECHANICAL MOUNTING
6. 1 GHz B Coaxial measurement adapter MD 101 Pellegrini target as per IEC EN 61000 4 2 2001 or MD 103 according to latest draft m 20 dB attenuator covering the range from dc to 12 4 GHz SUCOFLEX HF coaxial cable m High voltage dc voltmeter Ri gt 30 GO The instruments are periodically re calibrated in accordance with the require ments of ISO 17025 NSG 439 439A ESD simulator for robotic solution 10 TYPICAL PULSE DATA 45 A 1 ns div 20 ns div 30 30 25 25 20 20 15 15 10 10 5 5 0 0 Contact discharge 8 kV Contact discharge 8 kV pulse rising edge t ca 0 8 ns current at 30 ns and 60 ns Reference figure quoted in IEC EN 61000 4 2 2001 10096 9096 lat 30 ns lat 60 ns 1096 30 ns P gt 60 ns p gt lt t 0 7 to 1 0 ns TASEO Advanced Test Solutions for EMC 46 11 MAINTENANCE Care The housing can be cleaned with a moist cloth with possibly just a trace of detergent liquid Industrial spirit is also a suitable cleaning agent Other solvents are not permitted Fuses The instrument contains no fuses that are accessible to the user 11 1 Calibration Trimming procedures in the NSG 439 are carried out digitally and automatically The instrument contains no elements that are foreseen for adjustment by the user A component defect must be suspected if the calibration measurements differ from the published technical data
7. 1 A max Connector Socket D sub 15 pin Max permissible 3 m each screened cable cable length correct operation guaranteed up to 10 m Operation effected via potential free switch contacts All signals are active low i e switched to GND The pinout of the interlock input and output connector is identical All the pins are connected together The connection to pin 3 is made internally through the emer gency off button This link is broken when the internal interlock is activated TASEO Advanced Test Solutions for EMC 21 22 Pin no o ix OO 65 10 12 13 14 15 Shell Function Earth GND 0 V NC linked through to the other interlock socket Interlock input output connected inside the instrument NC linked through to the other interlock socket Interlock status trigger the interlock function in the instrument internal relay from 12 to 48 V NC linked through to the other interlock socket NC linked through to the other interlock socket NC linked through to the other interlock socket Switches warning lamps and peripherals on active provided that NSG 439 is switched from standby to on NC linked through to the other interlock socket NC linked through to the other interlock socket NC linked through to the other interlock socket NC linked through to the other interlock socket NC linked through to the other interlock socket NC linked through to the other interlock socket Screening
8. and the instrument is to be returned to an authorized Teseq service centre Measurements can only be undertaken by trained specialists A prerequisite is the availability of the necessary measurement equipment as listed in section verification of pulse data Charge voltage check Equipment EHT voltmeter with 40 kV voltage range Internal resistance 20 GO Measurement accuracy 196 NSG 439 439A ESD simulator for robotic solution Check the voltage level un der the following conditions 47 Air discharge Single discharge Polarity positive and negative Voltage settings 2 4 8 15 and 30 kV Permissible tolerance 596 of set value Check the discharge current and pulse form as follows Contact discharge Single discharge Polarity positive and negative Voltage settings 2 4 8 15 and 30 kV Compare the measured values with the reference data in IEC EN 61000 4 2 2001 These values are valid only for the discharge network that conforms to IEC EN 61000 4 2 2001 Remark Teseq offers an accredited service for this kind of work 11 2 Exchanging the R C network stopped first followed by a waiting time of at least 5 s EH If a network needs to be exchanged the test has to be to ensure the voltage being internally discharged TASEO Advanced Test Solutions for EMC 48 Switch the simulator off Turn the aluminum knob and take the network out It may help if the NSG 439 is rotated backwards so the netw
9. components of an electrostatic discharge are of a high frequency nature The interference paths and effects have to be assessed in the range from about 30 MHz to multi GHz The extremely rapid rise time of a discharge affects an object under test mostly through B magnetic HF coupling between electrical conductors in the electronics and the discharge current path m electrical coupling between the discharge current and signal lines A discharge current to the EUT flows proportionally through all the associated conductors earth mains data lines screening etc according to their relative impedance Malfunctions in insufficiently immune electronic equipment and systems make themselves apparent through Program crashes blocking of command sequences incorrect commands statuses or data being further processed partial system resets e g only in peripheral modules which lead to errors that the system does not recognize disturbance or destruction of interface modules destruction of insufficiently protected MOS components NSG 439 439A ESD simulator for robotic solution ESD electrostatic discharge testing usually shows up all the weak spots in the HF range of a piece of equipment simultaneously The uses to which the NSG 439 ESD simulator can be put hence go way beyond those called for in standard conform applications This instrument provides the engineer with a means to detect sources of error caused by unsuitable earthing
10. poor ground connections insulation problems etc The simulator also serves as a reliable aid for localizing hidden wiring faults during acceptance trials on installations Use can also be made of the instrument as an insulation tester to determine the breakdown voltage of switches relay contacts insulators etc TASEO Advanced Test Solutions for EMC 11 12 4 THE NSG 439 mmm using the latest materials construction methods and manufacturing tech niques for the robust housing shell together with highly insulated modules the newest high voltage technology the touch sensitive operating panel and a control unit built using the SMD technique it has been possible to integrate all the functions that a comprehensive simulator system should offer into one compact instrument As supplied in the basic set the system is equipped with a 150 pF 330 Q discharge network for the IEC EN 61000 4 2 2001 standard The discharge voltage of up to 30 kV for both air discharges and contact dis charges ensure a comfortable test margin over and above the levels called for in the standards The instrument is well equipped to cope with other and future standards The accessories include various networks and test fingers that can be attached by the user himself The basic set contains everything necessary for general use A rich assortment of accessories for special tasks is available such as a remote triggering unit further dis
11. that are not in frames are for information only Pressi ing the return button ON always takes you up one menu level higher m A virtual rotary control wheel appears in parameter setting menus Sensi tivity and lent weight are matched to the parameter to be adjusted Stroking the wheel with the finger tip causes it to rotate and changes the selected parameter When you wish to alter the setting for either the voltage or the preselect counter you can let the wheel spinning at different speeds Acti vating it energetically will cause it just like a mechanical one to run on and thereby set the particular parameter higher or lower correspondingly more quickly NSG 439 439A ESD simulator for robotic solution m Only stroke the portion of the wheel displayed otherwise you might prevent it from running on freely m There are pressure sensitive areas invisible at the top and bottom edge of the display associated with the wheel with which you can adjust the relevant parameter by 1 or 1 Try it out Play with it and you will quickly get the feel of it and how it best functions B R C value shown on main screen for more convenient direct reading 7 3 1 Display mode An alternative method to the virtual thumb wheel to control the instrument has been incorporated Via the button settings and display mode a keyboard and up down buttons can be selected instead of the thumb wheel Run menu local 2 2345
12. this measurement is not carried out since only a discharge current can occur The instrument switches itself off automatically after 15 minutes of nonuse 7 2 Battery monitoring The battery charge state is monitored continuously An insufficiently charged or an empty battery is shown on the display Recharge the battery soon when this symbol is displayed Correct operation and valid pulse parameters are still assured The battery is more or less empty its capacity is insufficient to main tain all the instrument s functions An appropriate warning message is shown on the screen and all the instrument s functions are inhibited TASEO Advanced Test Solutions for EMC 29 30 Remark A full battery will provide sufficient power for several days of normal test usage The actual operating time depends of course to a large extent on the condi tions prevailing at the time The following figures have been obtained by way of reference m Battery freshly charged m Contact discharge with 30 kV m More than 20 000 discharges can be generated 7 3 Operation and settings The operation of the instrument and all settings are carried out by way of the touchpanel starting from the menu test Generally the following applies R 300 C 150 Settings 46 m Frames symbolize push buttons Touching these sensitive areas causes a reaction usually branching into another menu m Values and indications
13. 39 439A ESD simulator for robotic solution The extended operating function of Charge Removing on J3 connector is 19 included in NSG 439 products from serial number 577 June 2006 upwards Therefore different pin assignment is given Connector J3 Pin assignment gt SN 577 Pin Signal name Description 1 EXT TRIGGER External trigger input 2 NC 3 C 4 EUT FAIL EUT failure input 5 GND Earth 6 C 7 Charge remove Charge remove drive output 8 GND Earth 9 15 V Voltage output max 500 mA Ext Trigger The following circuit is built in behind the connector This function is similar to the function of the yellow trigger knob on the handle Vcc 120k Pin 1 EXIT_TRIGGER Port A 6 Ext Trigger Pin 5 TASEO Advanced Test Solutions for EMC 20 EUT failure input The same circuit is used for the EUT failure input This function will stop the test procedure Vcc EUT_FAIL Port A 7 EUT fail 10nF Pin 5 J 4 2 5 Interlock The NSG 439 has an integrated interlock system in keeping with standard prac tice for high voltage test equipment This system has the following functions Inputs 1 Input for external monitoring purposes of for example special coupling networks and access control 2 Internal emergency off button opens the interlock Outputs 1 Operating mode the NSG 439 can generate no high voltage as long as the interlock is not closed H
14. 4 20Hz Prog 2 Display mode Keyboard TASEO Advanced Test Solutions for EMC 31 32 Numerical values voltage preset counter random repetition times can be entered just the same as with a pocket calculator Selection functions such as language type of discharge program number etc are handled by up down buttons to scroll through the settings Repetition This extended operating function is included in NSG 439 products from serial number 339 August 2004 upwards NSG 439 439A ESD simulator for robotic solution 7 3 2 Voltage 33 Touching the voltage indication brings you to the submenu for adjusting the discharge voltage Set the required value with the wheel and press return 7 3 3 Polarity Touching the polarity indication brings you into the relevant submenu Choose between or with the wheel If the preselect counter function is active there is the further option of choosing alternating polarity triggering shall have to be expected fully discharging Around the max voltage range some minor delay for changeing recharging 7 3 4 Counter Use the counter button to branch into the corresponding menu Choose the counter mode Preset counter on off In the on state the counter content can be set by means of the wheel When the simulator is in operation the preset counter counts down until it reaches 0 which then termina
15. Generic Immunity standard for industrial environments as well as others TASEO Advanced Test Solutions for EMC 58 14 WARRANTY EN Teseq grants a warranty of 2 years on this instrument effective from the date of purchase During this period any defective component part will be repaired or replaced free of charge or if necessary the instrument will be replaced by another of equivalent value The decision regarding the method of reinstating the functional capability is at the sole discretion of Teseq Excluded from the warranty is damage or consequential damage caused through negligent operation or use as well as the replacement of parts subject to degradation The warranty is rendered invalid by any intervention on the part of the customer or a third party The goods are to be returned in the original packing or other equivalent packing suitable for the purpose of the foreseen means of transport Teseq can accept no responsibility for damage in transit NSG 439 439A ESD simulator for robotic solution 15 OPTIONS Options Order no Qty Discharge network ISO 10605 150 pF 2 INA 4391 Discharge network ISO 10605 330 pF 2 kO INA 4392 Discharge network ANSI C63 16 hand model INA 4393 Discharge network ANSI C63 16 furniture model INA 4394 Test finger for fast pulse rise times 400 ps INA 4411 Carrying bag for the base unit INA 4422 Special discharge networks specify standard and xxx or v
16. WW The mechanical mounting plate to the robot arm be easily exchanged There are three possibilities 1 2 3 to mount it on the ESD housing itself The actual robot adaptor is made for a STABLI robot type TX90 The fixture to the ESD housing needs only the four screws shown in the following picture The inner clearance circle with the thread and positioning holes is tailored to the STABLI robot NSG 439 439A ESD simulator for robotic solution Z VOF LO sc NEZ 0 89 1 po Ww LY CY 10 8941 gt S VO 92 nee NS Advanced Test Solutions for EMC 28 7 OPERATION mmm This section of the manual provides a guide through the numerous operating possibilities of the NSG 439 The operation which is strictly logical and hierarchically arranged is there fore easy to remember The display shows unmistakable information about the parameters that have been set and the operating status of the simulator Equally the instrument refuses to accept any invalid entries It is recommended to carry out the examples directly on the instrument not forgetting to connect the earth cable 7 1 Switching on Ensure the interlock terminators are plugged into the rear of the base station or otherwise the interlock loop is complete Plug the pistol HV connector into the base station and tighten the screws cable for the pulse return path are sol
17. alues of R and C Options Order no Qty ESD measurement target conforming to D 101 EC EN 61000 4 2 2001 ESD measurement target ANSI IEC draft D 103 Earth cable with resistors 2 x 470 NA 414 Extension cord tip NA 4413 Flexible tip set NA 4415 Softtouch contact tip NA 4416 Banana contact tip NA 4417 Banana fast rise time tip NA 4418 E field adapter NA 4419 H field adapter NA 4420 Charge remover device NA 4430 for unit with A version not applicable Opto link set to a PC with 10 m opto cable NA 417B TASEO Advanced Test Solutions for EMC 59 Headquarters Teseq AG 4542 Luterbach Switzerland T 41 32 681 40 40 41 32 681 40 48 sales teseq com www teseq com China Teseq Company Limited T 86 10 8460 8080 F 86 10 8460 8078 chinasales teseq com Germany Teseq GmbH T 49 30 5659 8835 F 49 30 5659 8834 desales teseq com Singapore Teseq Pte Ltd T 65 6846 2488 F 65 6841 4282 singaporesales teseg com Taiwan Teseq Ltd T 886 2 2917 8080 F 886 2 2917 2626 taiwansales teseq com USA Teseq Inc T 1 732 417 0501 F 1 732 417 0511 Toll free 1 888 417 0501 usasales teseq com To find your local partner within Teseq s global network please go to www teseq com Manufacturer Teseq AG 4542 Luterbach Switzerland T 41 32 681 40 40 F 41 32 681 40 48 sales teseq com France Teseq Sarl 33 1 39 47 42 21 33 1 39 47 40 92 fr
18. ancesales teseq com Japan Teseq K K T 4813 5725 9460 81 3 5725 9461 japansales teseq com Switzerland Teseq AG T 41 32 681 40 50 41 32 681 40 48 sales teseq com UK Teseq Ltd T 44 845 074 0660 44 845 074 0656 uksales teseq com December 2010 Teseq Specifi cations subject to change without notice Teseq is an ISO registered company Its products are design ed and manufactured under the strict quality and environmental requirements of the ISO 9001 This document has been carefully checked However Teseq does not assume any liability for errors or inaccuracies
19. ate at increased capacity Repairs NSG 439 system error messages NA 4431 robotic air discharge adapter Function of the air discharge adapter echanical fixture Disposal Technical specifications ESD standards Warranty Options Addresses 34 36 34 36 36 37 39 40 40 41 41 42 42 42 44 45 46 46 47 48 49 51 51 53 54 55 57 58 59 60 1 EXPLANATION OF THE SYMBOLS USED IN THIS MANUAL Please take note of the following explanations of the symbols used in order to achieve the optimum benefit from this manual and to ensure safety during operation of the equipment The following symbol draws your attention to a circumstance where non observation of the warning could lead to inconvenience or impairment in the performance Example This connection must not be confused with the main power input The following symbol draws your attention to a circumstance where non observation of the warning could lead to component damage or danger to the operating personnel Example Never connect or disconnect the pistol while system is m performing a test Symbols used on the product A A Danger Protective Attention high voltage earth terminal refer to manual TASEO Advanced Test Solutions for EMC 5 2 SAFETY works at high voltages of up to 30 kV Any careless si m This item of equipment together with its accessories dling or non observance of the operating instruct
20. ch off the base station wait for 10 s switch on again 126 HV HOLD Unit stops after 30 s Press return on screen Restart the TIMEOUT without discharge test 127 HW FAULT An internal fault on the Switch off the base station wait for processor board has 10 s switch on again and continue been detected testing If error persists contact your nearest Schaffner service centre 129 A FIELD IS The run or the HV on Finish the input in the operator field SELECTED key has been pressed and then start with run although an operator field is still selected 201 HV INTERNAL During test an internal Press return on screen and trigger DISCHARGE discharge has been detected again If error persists contact your nearest Teseq service centre TASEO Advanced Test Solutions for EMC 49 50 202 BATTERY EMPTY Explanation The battery is low and needs to be charged Recharge battery with the original power supply 210 ERROR ADJUST FAILURE XXX HV module can not reach the max voltage during calibration procedure The volta displayed maximum value Contact you nearest Teseq service centre ge can be selected to the 211 FAULT DETECTED The software has found erroneous behaviour during generation of the Stop the test Switch off the base station wait for 10 s switch on again and continue testing If error pulse persists contact your nearest Teseq service c
21. charge networks an ergonomically shaped carrying case a tripod adapter test fingers etc NSG 439 439A ESD simulator for robotic solution 4 1 The simulator 13 The pistol houses the interchangeable pulse network high voltage relay the exchangeable test finger measuring electronics and the touch sensitive input display panel 4 1 1 Block diagram B Communication to the PC opto link High voltage active uP control unit Buzzer External communication igger to discharge EUT fail pistol Interlock in Interlock High voltage unit generator High voltage to Discharge pistol Interlock out Interlock 24 VDC Power Batt status Power on The various function units are shown in the block diagram Block diagram of the base station TASEO Advanced Test Solutions for EMC 14 Block diagram of the pistol Display with touch panel Communication to he base station r uP control unit A is Buzzer rigger D anual n Network Tip ident B Highvotage High voltage ETT 5 P network b voltage relay Test finger The microprocessor controls and monitors all the simulator functions m All entries are checked for plausibility Unacceptable entries are rejected and m Values entered are clearly shown on the la m The battery c
22. d for testing to alternative standards Discharge networks and test fingers for other standards Fast rise time tip Coaxial measurement adapter type MD 101 or MD 103 Opto link to a PC H field adapter Flexible test tips Discharge remover TASEO Advanced Test Solutions for EMC 4 2 3 Discharge networks The basic set contains a discharge network and test fingers for conducting tests that conform to IEC EN 61000 4 2 2001 alternative networks can be installed for testing in accordance with other standards Several networks are given in the orderlist The C and R values of the discharge network can also be specified for other applications Networks conforming to other standards can be built upon request The specifications of the standard must be fully defined Exchanging the discharge network is described in section exchanging the R C network 4 2 4 Remote triggering A remote triggering unit can be connected to operate the NSG 439 inside a Faraday cage with external pulse triggering or for test pulse triggering in syn chronism with other conditions Charge removing mo u lt amam lt 2 Interlock OUT DC IN js Interface If J3 interface is used then it has to be make sure that BI a shielded cable together with a solid shielded connec tors has to be plugged The shield it self has to be connected to the housing This to prevent the risk of a ESD hazard of the controller board itself NSG 4
23. d with high frequency properties which extend well above the 1 GHz range Screening earthing and filtering measures must therefore also be effective up into this range of frequencies The possible paths the pulse energy might take need to be thought about It is absolutely essential the pulse return path is fed back through the simulator s earth cable NSG 439 439A ESD simulator for robotic solution The contact discharge method is to be preferred over the air discharge method The former must however be arranged so that true metal to metal contact with the EUT is achieved Repetitive discharges are only of real use to quickly localize weak spots in construction or to pin point critical situations in program routines Single pulses are then to be used for detailed investigations and to assess the sensitivity to interference An exact record is to be kept describing the test conditions complete with photos of the test rig details of the type and quantity of discharges notes about the ambient climatic conditions remarks concerning the effects observed etc TASEO Advanced Test Solutions for EMC 43 44 9 VERIFICATION OF THE PULSE DATA mmm The calibration and verification of the pulse data requires a specialist test and measurement laboratory for which the IEC standard sets out certain minimal requirements Teseq uses the following instruments for calibration purposes B Oscilloscope with an analogue bandwidth of min
24. e mode can be changed using the up down buttons to select the desired mode Air discharge ball shaped test finger Contact discharge sharp point test finger NSG 439 439A ESD simulator for robotic solution 7 3 10 Threshold This function permits differing sensitivity levels to be set for the arcing detector whereby a differentiation can be made between stray discharges and a true discharge onto the EUT Normal Arcing is detected and is indicated by the kV symbol on the display blinking provided 2096 or more of the charge voltage is dissipated rcing is detected and is indicated by the kV symbol on the isplay blinking provided 1096 or more of the charge voltage is issipated Low o gt High Arcing is detected and is indicated by the kV symbol on the display blinking provided 30 or more of the charge voltage is dissipated Off This position is made for EUTs with non conductive surfaces housings TASEO Advanced Test Solutions for EMC 37 38 Threshold Discharge detection This means in contact discharge mode the arcing detection is disregarded and the counter counts up down as per settings in the repetition or counter menu respectively In air discharges this feature is available only in single mode Pushing the trigger once the HV is activated and the gun is to be approached to the EUT until either an arcing happens or the EUT being touched Then the trigger needs t
25. elf pulse triggering all the operating elements test relevant setting and user information are presented on the touch sensitive display panel facing the operator The NSG 439 is switched on and off with the main power switch The signifi cance of the elements in the display field can be seen in the following picture Further information can be found in section operation operations are performed via the touchpanel The following display is shown on the panel when the pistol is switched on Test remote 55 H Program 1 Settings TASEO Advanced Test Solutions for EMC The function of the trigger button on the handgrip depends on the operating mode currently selected B Asa pulse button in single discharge mode 1 pulse each time it is pressed m As an on off switch in repetitive mode discharges while button is pressed m As a pausing on off switch in repetitive mode with the preset counter in operation start the discharges by pressing the button stop the discharges by pressing the button again The remote control facility replicates the action of the trigger button by means of appropriate control signals 4 2 System components The basic set is packaged in a practical carrying case and comprises Carrying case ESD simulator NSG 439 consisting of a pistol and a base station with a battery power supply Discharge network 150 pF 330 IEC EN 61000 4 2 2001 1 test finger each for a
26. entre 217 VOLTAGE TOO The selected value is too the voltage level HIGH high 247 HV TRAFO TOO HOT NTC resistor too hot after endurance runs Power of about 1 h the NSG 439 and wait NSG 439 439A ESD simulator for robotic solution 11 5 INA 4431 robotic air discharge adapter 51 The INA 4431 robotic air discharge adapter is a well thought out accessory providing the first practical means to carry out air discharge tests on individual connector pins unlike conventional test methods which tend to result in unfore seen discharge paths being followed b wx 11 6 Function of the air discharge adaptor The adaptor is already preinstalled with the special contacting point as well as the mounting plate The moveable contact point A is first brought into contact with the connector pin to be tested thereby lengthening it TASEO Advanced Test Solutions for EMC 52 The whole simulator is then brought according the required speed given by the standard close to the extended contact B until the discharge has taken place Following this once the whole simulator has been retracted the adapter is returned to its start position pneumatically The slide is driven by air pressure and contains as a base a FESTO piston type DPZ 16 50 P A KF S20 with following specification Characteristics Hub Adjustable end value lenght Piston diameter Damping Guide Operating pressure F
27. eration Ed m Continuous operation should only be utilized in m The test area should be made out of bounds for unauthorized personnel m The test must be monitored throughout its dura tion m When running on batteries alone the duration of the test is naturally limited TASEO Advanced Test Solutions for EMC 42 8 TEST PROCEDURES mmm Test standards such as IEC EN 61000 4 2 2001 for example give detailed information about the assembly of the test rig the associated organization the EUT itself and the documentation 8 1 Standard compliant procedures The ESD simulator system type NSG 439 is constructed in accordance with the requirements called for in the standard and is calibrated in a standard conform manner The test engineer is duty bound to study the relevant test requirements and adapt the facilities to suit the EUT in question The necessary documents can be obtained directly from the offices of CENELEC www cenelec org the IEC www iec ch the ANSI www ansi org the IEEE www ieee org etc or they are available from national standards bureau 8 2 Other situations It is not always possible to arrange a test rig in exact conformity with the rel evant standards However by abiding by some basic rules it is still possible to obtain meaningful assessments of a EUT s sensitivity to interference and to obtain valuable pointers to improving its immunity An electrostatic discharge is always associate
28. harge state is information shows the operating status and th ontinuously monito an acoustic warning notifies the user of the error rge display screen Further e counter settings red The display warns if there is a tendency towards low voltage The instrument s functions are inhibited once the battery voltage is insufficient to guarantee the pulse parameters m High voltage generation is dynamically control load conditions supply voltages etc can thus be taken into account and have no effect on the pulse parameters ed by the processor Varying m The instrument switches itself off automatically if itis not used for a while The pulse parameters and operating mode remain stored and ready for reuse NSG 439 439A ESD simulator for robotic solution m The charge voltage to the network is kept constant as long as the trigger is 15 active The high voltage is discharged internally when the trigger is reset m if no discharge occurs when set for an air discharge and the trigger is active the processor waits for about 30 s then autonomously resets the trigger and discharges the network internally with simultaneous acoustic warning B Ameasurement facility detects an actual valid air discharge and shows it on the display m Pulse triggering is monitored Once an arc has occurred the network is discharged internally so that no further arcing is possible 4 1 2 Operating elements Apart from the trigger button its
29. idly connected EH Ascertain that the base station as well as the earth to the fixed installation s earth point There is a danger of electric shock if this is neglected Ensure the emergency power off button is pulled out Press the power on button The green power LED will light up NSG 439 439A ESD simulator for robotic solution Press the interlock reset button The red interlock LED will extinguish and the red high voltage LED blinks while the pistol runs its self test and calibration routine The instrument is ready for use immediately after self test and calibration pro cedures have been completed High voltage generation is activated by pressing and holding the trigger button The active high voltage state is indicated on the base station by a blinking red LED Should a parameter need changing the operator has only to press on the rel evant field in order to call up the appropriate menu The value of discharge voltage is displayed following a successful air discharge A differentiation is made between this and the set value by the display kV being inversed If no valid discharge occurred the display shows a 0 value The threshold function see section threshold permits various settings for the sensitivity of the breakdown voltage detector The effective discharge voltage depends on various factors such as the distance to the discharge point speed of approach nature of the EUT etc In the case of a contact discharge
30. igh voltage generation is prevented if the interlock is opened during a test procedure 2 Warning lamps when the interlock is closed the green lamp is switched off and the red lamp is illuminated 3 Interlock output for other system devices NSG 439 439A ESD simulator for robotic solution The interlock system is common to all Teseq instruments and hence several devices can be connected together The instrument is equipped with two 15 way connectors for interlock input and output The interlock loop must always be correctly terminated at both ends In achieving this the interlock wiring must connect all the safety contacts together When using original Teseq accessories this is achieved automatically by using 15 way standard cables wired 1 1 to link the interlock connectors An arbi trary number of instruments or accessories can be incorporated in this safety concept The high voltage supply can only be activated if the safety requirements in all the associated devices are fulfilled emergency off buttons released safety contacts closed To conform with VDE 0104 the control of the warning lamps must make use of the interlock feature The instruments can be switched on and the red lamp lights up as soon as the interlock circuit is complete The pair of terminating connectors supplied must be utilized in the case of not making use of external interlock contacts Signal specifications Voltage 48 VDC max Current 20 mA min
31. ions can have dangerous consequences The NSG 439 simulator is not a toy It is a professional tool and belongs only in the hands of specialists and appropriately trained personnel When powered by its own batteries the simulator can be active even without any power cable being connected The instrument must not be switched on unless a correctly connected earth or earth cable pulse current return path is in place The original earth cable supplied with the instrument is to be used Any replacement cables must be fabricated in Such a way that they cannot be accidentally connected to a mains outlet socket Do not touch the test finger There is a danger of an unpleasant electric shock if the instrument is switched on LC display active HE Only trained personnel may operate the instrument operate the instrument nor approach the test rig while Personnel fitted with a heart pacemaker must not it is in operation These operating instructions form an integral part of the instrument and must be available to the operating personnel at all times The instrument must not be used for any purpose other than testing the ESD immunity of electronic equipment NSG 439 439A ESD simulator for robotic solution Since the purpose of the simulator is to generate electrostatic discharges the spark over caused by a discharge is not designed for use in an explosive environment However the simulator itself may resist forces caused by small flare up
32. ir and contact discharges Battery charger mains power pack Operating instructions This set contains all the items necessary under normal conditions to conduct tests conforming to the IEC EN 61000 4 2 2001 standard NSG 439 439A ESD simulator for robotic solution 4 2 1 Battery charger power supply unit Power to the instrument is provided through a universal mains unit suitable for input voltages between 80 and 240 VAC This same unit also serves as a charger for the integral battery pack Charging of the battery takes about three hours At this point a timer switches the charger to a reduced charging current and the indicator lamp changes from red to green The battery will also charge up when the instrument is switched off A full battery charge will suffice for several days of normal test operation Battery life expectancy m Ambient temperatures over 50 C can lead to degradation of the battery If treated carefully more than 300 charge discharge cycles can be expected without a noticeable reduction in capacity m The charger and battery pack form a matched entity The battery must not be charged from any other unit and the charger is to be used exclusively for the intended purpose Operating advice B Use the equipment only in dry surroundings m Recharge the battery about every 6 months even if the instrument is not being used 4 2 2 Options A range of additional accessories is available for special applications an
33. ischarge Positive negative and automatic change TASEO Advanced Test Solutions for EMC 56 Operating modes Repetition Discharge voltage Auto shut off Display Weight Ambient conditions Power supply Single Repetitive Random T see section repetition Pulse counter 09999 Preselect counter 0 9999 Continuous operation 05 1 5 10 20 25 HZ 0 5 1 5 10 20 Hz contact or in 1 Hz steps as well as random Random P see section repetition Pre programmed levels IEC EN and ISO standards After 15 minutes idle time without loss of the test parameters LCD panel showing Discharge voltage Breakdown voltage Polarity Air contact discharge Counter preselect counter content Battery state monitor NSG 439 14 kg 30 Ibs approx Operating 5 40 C 20 80 r h non condensing 68 106 kPa Input 100 250 V 50 60 Hz 1 A Output DC 24 V 2 3 A NSG 439 439A ESD simulator for robotic solution 13 ESD STANDARDS 57 mum The IEC EN 61000 4 2 2001 standard can be taken as a working basis This has been renamed from IEC 801 2 1991 into IEC EN 1000 4 2 as well as IEC EN 61000 4 2 2001 and will be accepted into national standards as part of the European harmonization The following documents are either identical or largely compatible EN 61000 6 1 2001 Generic Immnity standard for residential and light industrial environments EN 61000 6 2 2001
34. ise through the assembly of instruments into complete systems because of the installation method used the cabling and the earthing An ESD check on systems is therefore also prescribed Such tests provide valuable informa tion about the immunity of the system to effects that occur only sporadically under operating conditions and hence represent difficult to detect sources of disruption The ESD simulator NSG 439 fulfils the requirements of numerous applications in an ideal manner thus Robust housing To withstand large velocity forces Operation Operating via software however they are manual selectable via touch panel Battery powered Independence from a mains power feed Microprocessor control All the functions are on board including a presettable counter preprogrammed test values discharge voltage measurement etc Precision The test parameters are maintained precisely for reliably reproducible tests TASEO Advanced Test Solutions for EMC Flexibility The specifications prescribed in the standards are more than fulfilled in every respect The instru ment also offers many additional handy features Safety The high voltage simulator is automatically deac tivated if the instrument remains unused for a period of time Application field Development optimization type approval EMC certification batch testing individually testing of fully installed systems 3 3 Effects on the EUT The most significant interference
35. lts can cause electronic devices computers terminals process controllers vehicle electronics solid state devices credit or memory cards etc to malfunction or even be destroyed 3 2 Simulation A systematic investigation of electronic equipment and installations to deter mine their electromagnetic compatibility EMC is today a necessity if one is not prepared to suffer the economic disadvantages that could otherwise ensue As a logical consequence appropriate testing is now a legal requirement for the sale of electronic products within the EU NSG 439 439A ESD simulator for robotic solution The ESD test plays an important role in the range of interference sensitivity tests It simulates frequently occurring effects and guides the development engineer to any weak spots in an instrument or item of equipment through a combination of high voltage and high frequency properties A simulation device must be constructed such that it reproduces practical con ditions realistically Furthermore the results obtained interference sensitivity threshold must be reproducible The interference immunity of an instrument is not only dependent on its con struction it is also largely dependent on the quality or the consistency of the mass production techniques used Knowing this has led to the demand for individual testing or at least random sample testing Further weak spots which could affect the overall interference immunity can ar
36. mory places by pressing store Alternatively a previously saved set of values can be recalled using the wheel in the actual program Touching return G loads the selection ready for execution Program Actual Store Into 2 Volts 200 Volts 200 Counter Counter RandT Rep RandT Air Tip Air 150 3300 T Network 150pF 3300 Random 455 100ms 400ms g Random 45s 100ms 400ms NSG 439 439A ESD simulator for robotic solution 7 3 14 Trigger button manual triggered This button functions in three ways n the single discharge mode just one discharge is made each time the button is pressed n the repetitive mode pulses are generated at the pre determined rate for as ong as the button is pressed n the preset counter mode pulses start to be generated when the button is pressed and continue until the button is pressed again or until the counter decrements to zero whichever comes first 7 3 15 Continuous operation Continuous operation can be established to produce a repetitive stream of discharges thus Set the preset counter to read in the counter menu This enables continu ous operation without any intervention by the counter Pushing the trigger button starts the continuous operation pressing it again stops the operation cases of real necessity since every ESD radiates electromagnetic disturbance the effect of which on the environment must be taken into consid
37. o be pushed a second time resulting in HV off and increasing decreasing the co depending on counter setting unts The off operating function is included in NSG 439 products from serial number 521 March 2006 upwards NSG 439 439A ESD simulator for robotic solution 7 3 11 ISO Selftest 39 Just starting the ISO Selftest gives a quick response of the proper operation of the ESD simulator The screen reflects all required voltage levels as well as the tolerances in table form based on the ISO 10605 standard Settings ISO Selftest During the calibration procedure the HV module is strained up to 30 kV If somehow the maximum voltage could not be reached or hold the NSG 439 come out correctly with an HV error message The calibration procedure is diagnosing to which voltage level the HV module will work properly This voltage value will be shown on screen while it will not be possible to set a higher voltage value This extended operating function is included in NSG 439 products from serial number 521 March 2006 upwards TASEO Advanced Test Solutions for EMC 40 7 3 12 Level Provides the means to select the required pre programmed standard test e g IEC EN 61000 4 2 level 4 Level IEC 61000 4 2 2001 IEC Level 4 7 3 13 Program Shows all the details of the currently selected settings in the actual state These values can be saved in one of the eight me
38. ork drops out under its own weight Take care Catch the network in the other hand 11 2 1 Reduction of the pulse repetition rate through higher capacity The maximum achievable pulse repetition rate can suffer as a result of using special discharge networks having a higher capacity No other limiting effects occur however 11 3 Repairs Repair work is to be carried out exclusively by an authorized Teseq repair depart ment Voltages in excess of 30 kV are generated within the instrument LETHAL DANGER Only original replacement parts and accessories are to be used Do not continue to use the instrument in the event of mechanical damage occur ring The plastic housing also performs insulating and protective functions which are only assured as long as it is in its original condition A damaged instrument should be returned without delay to a Teseq service centre NSG 439 439A ESD simulator for robotic solution 11 4 NSG 439 system error messages Nr Text Explanation Action 006 INTERLOCK OPEN The interlock circuit 1 Press interlock button or close the open interlock circuit at the back of the base unit 115 EUT FAILURE The connected EUT has EUT input has detected an EUT signaled a fault ault Reset EUT first and then press eturn on screen 125 HV SUPPLY The HV cannot be loaded HV voltage module has detected TIMEOUT in the specified time during measurement an uncertainty Swit
39. tes the selected test sequence Counter preset counter ON TASEO Advanced Test Solutions for EMC 34 Note means continuous operation without any preset counter function Pressing the trigger button starts the simulator operating a second press on the same button stops the operation Reset counter sets the counter content to 0 or it reloads the preset counter with the previously selected value 7 3 5 Repetition The Repetition button takes you into the menu to select either single pulses or a repetition rate from 0 5 to 25 Hz in air discharge or from 0 5 to 20 Hz in contact discharge mode Repetition Random T tme 9 gt lt Min Rep SU Two further repetition modes are available that trigger pulses with a statistical distribution over a specified period Random P 1 9999 pulses are triggered with a statistically distributed repetition rate ranging from a minimum of gt 20 ms to a maximum repetition rate of lt 2000 ms Random T Pulses are triggered during a period of 1 9999 seconds with a statistically distributed repetition rate ranging from a minimum of 20 ms to a maximum repetition rate of 2000 ms NSG 439 439A ESD simulator for robotic solution Free adjust For some specific requirements like R amp D jobs or product standards the pre stored repetition times provided in Hz may not match all needs Allows entering values between 0 04 up to 300 00 s in 0 01 s steps
40. thane potting compound with elect network components and copper wire Div metals ceramic div insulating materials Brass plastics Nickel metal hydride ABS housing with transformer and circuit board with electr components Aluminum and polyethylene PA6 PMO NSG 439 439A ESD simulator for robotic solution 12 TECHNICAL SPECIFICATIONS 55 ENENE Description Pulse data standard special Pulse network standard Air discharge voltage Contact discharge voltage Test finger standard Arcing detection Holding time Charge resistor Ro Triggering Instrument operation Discharge modes Polarity Compact ESD simulator with microprocessor controller large surface touch sensitive LC display built in HV relay for contact discharges mains independent operation Conforms to IEC EN 61000 4 2 2001 With exchangeable networks for other standards 150 pF 330 as per IEC exchangeable networks for other standards as accessories Range 200 20 kO Range C 50 pF 2000 pF 200 V 30 kV in 100 V steps Tolerance 5 1 30 kV 200 V 30 kV in 100 V steps Tolerance 5 1 30 kV Ball and point as per IEC exchangeable via threaded connection Indicated by the kV symbol being displayed inverse also acoustically in the single operating mode gt 59 50 Trigger button in handgrip or via remote control input Via touchpanel and microprocessor Air discharge contact d
41. tion accept no responsibility for personal or material damage nor for any consequential damage that results from irresponsible operation of this instrument TASEO Advanced Test Solutions for EMC 8 3 INTRODUCTION mmm Under appropriate ambient conditions both material objects and even the human body itself can become charged with electrical energy This effect is due to electrostatics a phenomenon that has been known since the earliest times Thales von Milet 600 BC noticed how amber attracted very light particles when it was rubbed Touching a charged item against a conductive object leads to a charge equalization through a spark discharge which produces a brief but powerful electromagnetic field 3 1 Electrostatic discharge ESD This effect can be explained as follows Two insulating substances with differing ielectric constants become charged when rubbed together i e one material gives electrons to the other one This effect is known as electrostatic charging The same can happen to a person When somebody walks around in a dry atmosphere on carpet while wearing shoes with good insulating properties a C harge of several thousand volts can be built up If now that person comes ose to a conductive surface the charge that he or she is carrying flows away through a hefty spark discharge The high equalizing current that flows and the associated large electromagnetic field that hence resu
42. unctionality ATEX Ambient temperature Operating medium Theoretical force on backward forward movement on 6 bar Pneumatic connection Material cover Piston material Value 50 mm 10 mm 16 mm Elastic damping damping rings both side sliding guide 1 10 bar Double action 20 lt Ta lt 60 C Dry or oiled air 180 N 5 Aluminum forging alloy Stainless high forging alloy NSG 439 439A ESD simulator for robotic solution 11 7 Mechanical fixture 53 The adaptor can be placed on position 1 or 2 The fixture itself has two positioning bolt and four screws Air connection to blow away the ionized air Fixture to the NSG 439 housing 8x air holes Air connection for sliding piston Positioning bolt Each time an air discharge is produced the ionized air has to be blown away this to guarantee a high reproducibility in air discharge mode TASEO Advanced Test Solutions for EMC 54 11 8 Disposal The following list shows the principal materials used in the construction of the NSG 439 The relevant national regulations are to be observed when disposing of the instrument Component material listing Pistol housing Base station front panel Base station housing Circuit boards LCD display and touchpanel HV module HV relay Test finger Battery Battery charger Carrying case Air discharge PA6 PMO ABS Galvanized steel lacquered Epoxi with SMD components Glass Polyure
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