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EFT/ Burst Generator PEFT Junior

1. Printer PEFT Junior a Fig 5 5 4 30 EFT Burst Generator PEFT Junior 6 Operation 6 1 Parameter definition The P90 microprocessor controls all the PEFT Junior functions Using the P90 test sequences can be written saved recalled and edited After powering the PEFT Junior the following page is displayed HAEFELY P90 1 CONTROL UNIT F1 Uu system PEFT kan F2 module Junior version 1 6 CS Fa TO CONTINUE PRESS F4 KN F4 a Confirmation of the tester configuration First menu In case of failure an error message is displayed If programs have been saved to the microprocessor memory then three pages are available which display the program names PROG A etc It is now possible to recall one of the eleven possible programs HAEFELY P90 1 CONTROL UNIT The operator can choose between Program menu Write run or save a program Recall program A or B Place 3 is free for storing another program F1 be WRITE RUN SAVE gt gt pol 1 PROG A NES 2 PROG B F3 3 gt F4 which will be named PROG C If a program has been saved to memory ex PROG A it is easy to recall simply by pressing the corresponding key ex F2 The program can then be run by pressing START STOP To write a program press key F1 and follow the procedure in 6 1 1 EFT Burst Generator PEFT Junior 31 6 1 1 Input menu
2. EFT B Generator Cc 33nF il Co Reference Ground connector Fig 5 4 1 a Fig 5 4 1 b EFT Burst Generator PEFT Junior 25 5 4 2 Installation for three phase testing The following installation is described in the standard EFT B Generator Cc 33nF Cc Reference Ground connector Fig 5 4 2 8 To comply with this tests requirements it is necessary to use a three phase coupling filter type FP EFT 32 1 This filter has the same advantages as the single phase integrated filter that is automatic control of the coupling paths from the PEFT Junior menu A system comprising a PEFT Junior and a filter FP EFT 32 1 enables testing to all levels as for the single phase filter AP EFT Junior go s mm Ba D nmn Wig so ER Is FP EFT 32 1 Fig 5 4 2 b 26 EFT Burst Generator PEFT Junior 5 4 3 Installation for coupling into control lines To couple into data lines as described in the standard the capacitive coupling clamp type IP4A is neccessary Pd PEFT Junior Fig 5 4 3 EFT Burst Generator PEFT Junior 27 5 5 Other test
3. example 180 190 CHVset 4 Test voltage 4kV 200 OUTPUT 712 CHV CHVset Setting test voltage 210 OUTPUT 712 CHV Control test voltage real 220 WAIT 0 5 Delay for communication 230 ENTER 712 CHVreal 140 IF CHVreal lt CHVset THEN ErrChv LIMIT VOLTAGE MAX Test overlimit 150 IF CHVreal gt chvset THEN ErrChv LIMIT VOLTAGE MIN Test underlimit 160 ErrChv ok 170 PRINT TABXY 35 10 TEST VOLTAGE Chv ErrChv Display Verify the input of alphanumeric characters is accepted by the P90 example 400 410 OUTPUT 712 TRA V Setting voltage transition 420 OUTPUT 712 TRA Control transition 430 WAIT 0 5 Delay for communication 440 ENTER 712 TRAS 450 OUTPUT 712 ERR 460 WAIT 0 5 470 IF ERR 0 THEN ErrTRAS 0K Else ErrTRAS ERR see table Error test Never forget to stop the test example 1260 OUTPUT 712 STOP Safety in case of none stop Never forget to return to local mode example 1270 OUTPUT 712 GTL Go to local mode To select an output do not forget the HV OUT socket is active by default HVO ON and all other coupling paths are inactive If coupling to a filter is required first deactivate the path HV OUT before entering a coupling path example 60 EFT Burst Generator PEFT Junior 2410 OUTPUT 712 HVOT OFF Setting HV out off 2420 OUTPUT 712 PL ON Setting coupling L EFT Burst Generator PEFT Junior 61 6 4 Functional diagrams The P
4. The high voltage circuit is mounted on the main PCB and comprises the high voltage source an earth safety relay high voltage switch and the energy storage capacitors These capacitors 11 in series are a charge reservoir loaded from and regulated by the high voltage source They provide energy for the impulse which is released by the high voltage switch Generator control Earth relay Fig 3 4 12 EFT Burst Generator PEFT Junior 3 5 Impulse circuits The high voltage impulse forming circuits are located on the main PCB along with most of the components of the single phase coupling filter The only coupling filter elements not mounted on the PCB are the 140 uH filter coils The coupling filter comprises the coupling capacitors and decoupling filter elements The coupling path is automatically switched under P90 control Electronic switch control LL Waveshape circuit Decoupling Coupling network network Line output Fig 3 5 EFT Burst Generator PEFT Junior 13 4 Control elements 4 1 Generator rear panel 9 ch HAEFELY E ETE e e y NE m Es ES T o a H s Fig 4 1 4 1 1 Ventilation A single fan mounted on the rear panel facilitates removal of warm air from the coupling filter It is recommended that a space be left
5. EFT Burst Generator PEFT Junior 71 Is the problem associated Yes No with a process occuring in the EUT O Installation Sketch of installation Supply voltage AC DC is an isolation transformer used seperate EUT supply Test parameters supply 1 phase 3 phase AC DC EE type 72 EFT Burst Generator PEFT Junior Additional information EFT Burst Generator PEFT Junior 73 8 4 Replacement parts The PEFT Junior service policy does not require the customer to order spare parts with the generator The components used are held on stock at Haefely and can be supplied quickly to order If any parts are required they can be obtained by contacting the Haefely after sales service department 8 5 After sales service The address of Haefely s after sales service department is given below ES Address Emile Haefely amp Co After sales service department KD Lehenmattstrasse 353 Postfach CH 4028 Basel Lond PY Telephone 41 61 315 51 11 FAX 41 61 312 30 60 For general ordering information contact Haefely s sales department ES Address Emile Haefely amp Co Sales department V5 Christoph Merian ring 31A Postfach CH 4153 Reinach Lond CH Telephone 41 61 71 55 555 FAX 41 61 71 20 288 74 EFT Burst Generator PEFT Junior 9 Shutdown and storage 9 1 Daily shutdown No special requirements have to be met except to take care of safety considerations Th
6. 210 OUTPUT 712 POL Control Polarity I Error test 270 PRINT TABXY 35 11 POLARITY POLS ErrPOLs Display 280 290 310 OUTPUT 712 TTME TTMEset Setting test time 320 OUTPUT 712 TTME Control test time real 330 WAIT 0 5 Delay for communication 340 ENTER 712 TTMEreal 350 IF TTMEreal lt TTMEset THEN ErrTTMES LIMIT Test Time MAX Test overlimit 360 IF TTMEreal TTMEset THEN ErrTTMES LIMIT Test Time MIN Test unterlimit 370 ErrTTMES ok 380 PRINT TABXY 35 12 Test Time TTMEreal ErrTTMES Display 390 400 300 TTMEset 500 Test time 500s 58 EFT Burst Generator PEFT Junior 410 420 430 440 450 460 470 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 1000 1010 1020 1030 1040 1050 1060 1070 1080 1090 1100 1110 1120 1130 1140 1150 1160 1170 1180 1190 1200 1210 1220 1230 1240 1250 1260 1270 1500 EFT OUTPUT 712 TRA V Setting voltage transition OUTPUT 712 TRA Control transition WAIT 0 5 Delay for communication ENTER 712 TRAS OUTPUT 712 ERR Error test OUTPUT 712 VTRT WAIT 0 5 ENTER 712 VTRTreal IF VTRTreal lt VTRTset THEN ErrVTRTS LIMIT TIME MAX Test overlimit IF VTRTreal VTRTset THEN ErrVTRTS LIMIT TIME MIN Test unterlimit ErrVTRT ok Control Trans time real Delay for communication WAIT 0 5 IF ERR 0 THEN ErrTRAS 0K Else ErrTRAS
7. It is not normally necessary to disassemble the generator during its operational cycle There are no special tools required for disassembly 11 2 Recyclable components The PEFT Junior is constructed from metals aluminium PVC and composite materials All the components can be recycled through the normal industrial recycling system 11 3 Non recyclable components The PEFT Junior is made from 100 recyclable material and contains no dangerous substances EFT Burst Generator PEFT Junior TT 12 Accessories and options 12 1 Accessories The PEFT Junior is delivered with the following standard acessories 1 16 Amp cable with relevant EUT mains cable mains plug fitted 1 10 Amp cable with relevant Generator mains cable mains plug fitted 1 User manual 1 safety circuit connector low voltage for safety circuit 12 2 Options Options available for the PEFT Junior are Reference Order Description number RC 730 249 199 1 Interface RS 232C and IEEE P90 OPT 1 249 225 1 Optically decoupled RS 232C communication P90U 249 220 1 Remote control program requires minimum DOS 3 3 WINPATS 249 309 1 Remote control program that runs under windows 3 1 IP4A 249 130 1 Coupling clamp for control line coupling A W IEC 1000 4 4 FP 16 3 1 249 148 1 Manual three phase coupling filter 380 V 16 A 1A W IEC 1000 4 4 FP EFT 32 1 249 253 1 Automatic three phase coupling filter 690 V 32 Al AW IEC 1000 4 4 P90 extension spz 41 Modification to e
8. PATH N PE OFF PATH LI1 N PE OFF HAEFELY P90 1 CONTROL UNIT PATH L123 OFF PATH L123 N OFF PATH L123 PE OFF PATH L123 N PE OFF F1 uu ES F3 F4 P F1 ner F2 Three phase H The three modes if selected together will be coupling menu executed sequentially The two modes if selected together will be executed sequentially we F3 t The four modes if selected together will be executed sequentially E P Fa Fa i The four modes if selected together will be executed sequentially EFT Burst Generator PEFT Junior 35 6 1 4 Repetition frequency The repetition frequency menu enables definition of the parameters SPIKE FREQ BURST DUR and BURST FREQ CONTROL UNIT A et Frequency parameters can be input from Repetition 2 this page frequency SPIKE FREQ 5 00KHZO _ p BURST DUR 15 0ms 7 menu BURST FREQ 3Hz g Di TEST TIME 3008 Ke A m v4 Vnominal Delta V BURST FREQ BURST DUR Fig 6 1 4 6 1 4 1 Spike repetition frequency SPIKE FREQ The repetition frequency of spikes in a burst The unit is kHz The default value is 5 kHz 6 1 4 2 Burst duration BURST DUR The duration of each burst in units of mS The default value is 15 ms 6 1 4 3 Burst repetition frequency BURST FREQ The repetition frequency of bursts in units of Hz the standard specifies a value of 300 ms 20 the default value of 3 Hz corresponds to
9. Seperation characters lt gt No command space after the command header lt i gt End of a command unit within a block lt EOS gt End of a command block or blocks signifies end of current input End Of Sequence Tab 6 3 5 1a Bit format positive whole numbers in the range 0 to 29999 transferred as ASCII strings The format corresponds with the input and output of the P90 display positive decimal numbers with a maximum of 6 significant digits transferred as ASCII strings The format corresponds with the input and output of the P90 display Tab 6 3 5 1b Character strings set command lt header gt lt gt lt argument gt lt header gt A sequence of from 2 to 4 ASCII characters using A Z a Z There is no differentiation between upper and lower case lt gt separation character between lt header gt and lt argument gt argument In the form of either an integer real number or string Tab 6 3 5 1c 48 EFT Burst Generator PEFT Junior Entering several commands consequtively command lt command gt lt EOS gt Tab 6 3 5 1d example CHV 4 0 POL neg PL on PRT on lt EOS gt 6 3 5 2 Interrogation commands Interrogation commands cause the P90 to transfer internal data to the system controller interrogation command gt lt header gt lt gt lt gt Tab 6 3 5 2a A question mark is placed after the argument Each command can only contain one ques
10. on the EUT 4 2 1 5 POWER ON OFF switch 5 Primary power is made available to the internal circuits when this switch is depressed A green lamp in the switch indicates that the generator is under power The entry menu should be displayed on the front panel For safety reasons only a low level voltage is available on this switch 4 2 1 6 Synchronisation input SYNC IN 6 The BNC SYNC IN enables connection of an external AC signal having the following parameters Voltage 24 264 Veff Frequency 162 3 400 Hz Tab 4 2 1 6 This signal is used to synchronise the PEFT Junior output when operated in conjunction with a coupling filter 4 2 1 7 Oscilloscope trigger output TRIGGER OUT 7 Available at the TRIGGER OUT socket is a square wave of 15 V amplitude with the negative edge synchronised to each burst 4 2 1 8 Menu previous page 8 The key enables scrolling backwards only if the character is available at the end of the first line 18 EFT Burst Generator PEFT Junior 4 2 1 9 Function keys F1 to F4 9 The keys F1 to F4 activate user access to the functions shown on the respective lines of the display After pressing a key the cursor is visible and the parameter can be changed After entering the new value press the function key again and the parameter is entered Parameter values consist of both alphabetic and numerical characters 4 2 1 10 Menu next page 10 The key J enables scrolling forwards only if th
11. 32 EFT Burst Generator PEFT Junior 6 1 2 Burst output BURST OUTPUT The PEFT Junior delivers the burst direct to the high voltage output For example when coupling into data lines using the IP4A through the integrated single phase filter For coupling into the single phase supply of an EUT connected to the coupling filter output through the external three phase filter For coupling into three phase mains using the FP EFT 32 1 EE ni 1 ro Only one of the outputs can be selected Burst output fe EN menu Burst output gt er TO HV OUT YES pu E TO LINE 1PHASE F3 TO D FA 6 1 2 1 Direct output TO HV OUT Press F2 to select burst output to high voltage connector 6 1 2 2 Coupling to single phase mains TO LINE 1PHASE Press F3 to select burst output to the integrated single phase filter 6 1 2 3 Coupling to three phase mains TO LINE 3PHASE Press F4 to select burst output to high voltage connector The three phase coupling filter FP EFT 32 1 is connected to the P90 EXTENSION it is possible to select all the coupling paths required by the standard This mode is exclusively for use with the Haefely FP EFT 32 1 in single or three phase applications After selecting the coupling mode the next menu enables definition of the coupling path EFT Burst Generator PEFT Junior 33 6 1 3 Coupling path options COUPLING PATH 6 1 3 1 Single phase coupling The integrated coupling f
12. EOS gt PRinTer argument Terminate remote operation Control is only possible from the P90 front panel Tab 6 3 5 4b The identification command only as a question replies with the equipment details in the form sssssss mmmmmmm vvvv system module version Tab 6 3 5 4c response PEFT Nr 1 60 A maximum 10 character name can be assigned to the current program in query mode the name of the current program is returned Tab 6 3 5 4d P90 a program is saved under the name Testprog Testprog Saves the current program to a memory location defined by the argument same as Save Program in XX from local mode Integer Within the system range Tab 6 3 5 4e P90 save program in memory position 5 Enables or disables the printer ON OFF EFT Burst Generator PEFT Junior Tab 6 3 5 4f example controller PRT ON lt EOS gt PRT lt EOS gt RECall program Remote ENable Serial Poll example controller SP lt EOS gt EUT Failed Generator Error Local Mode Transmission Error Command Error Run Mode Service Request Triggering ONOOARWN A STOP STOP EFT Burst Generator PEFT Junior P90 printer active ON Recalls a program designated by the argument function inverse of PROG Tab 6 3 5 4g the equipment is in remote mode controllable only from a remote device Tab 6 3 5 4h Reads the Status Bit See the table c
13. Generator PEFT Junior 5 1 3 Dimensions The generator is built into a 19 case 3 high its dimensions are Case internal 19 3 480 mm Housing 520 x 166 x 500 mm Weight 18 kg Tab 1 3 Attention For optimal ventilation and access to the rear panel connectors it is recommended that a space of approximately 25 cm be left around the generator 1 4 Electrical connections The generator mains input is on the back panel Mains requirements are Single phase voltage 230 V 50 Hz 10 96 115 V 60 Hz 10 Nominal power 120 VA 230 V 50 Hz 115 V 60 Hz Tab 1 4 Mains voltage selection is made using the manual switch on the rear panel Connection to the mains is made using a 10 A cable fitted with the relevant plug Europe CEE 7 VII Great Britain BS 1363 Switzerland SEV Type 12 USA NEMA5 15P 6 EFT Burst Generator PEFT Junior 1 5 Lexicon An aide memoire for the electrotechnical vocabulary used in the standard IEC 50 161 EUT EMC EFT B Coupling network Decoupling network Coupling filter single threephase HV EFT Burst Generator PEFT Junior Equipment Under Test Electro Magnetic Compatibility Electrical Fast Transient Burst Electrical network for the purpose of transferring energy from one circuit to another Electrical network for the purpose of filtering signals Electrical circuit single threephase incorporating coupling and decoupling networks H
14. It is possible to link several programs together to form a single program When the end of a program is reached and the value of NEXT PROGRAM is 0 the generator switches off the high voltage and returns to the run menu If the value of NEXT PROGRAM is not 0 but another program number or the current program number again then the high voltage is switched off the next program is loaded and the new program is run CONTROL UNIT _ the parameter NEXT PROGRAM defines Program save i a which program will be automatically started menu Fer Ee after the end of a program Linking a NEXT PROGRAM 0 rs program to itself is possible PRINTER OFF Fra 4 6 1 7 1 Saving a program SAVE PROGRAM IN Press the key F1 then enter the memory location the program is to be saved in 1 to 11 Pressing ENT saves the currently defined parameters automatically giving a program name from PROG A to PROG K 6 1 7 2 Linking programs NEXT PROGRAM Press the key F3 and enter the value of the program to follow the current program Press ENT to save the chosen value 6 1 7 3 Selecting the printer PRINTER Press the key F4 to activate or deactivate the printout function A printout contains the parameter settings as well as the measured test data Note It is possible to select printer on or off even when the generator is running a test EFT Burst Generator PEFT Junior 41 The following is an example of a test printout HAEFELY EMC TEST SYSTEMS BASEL S
15. N ON E F3 PATH PE on Re a HAEFELY P90 1 CONTROL UNIT FA y SAVE PROGRAM IN 11 gt __ el NEXT PROGRAM 0 E3 _PRINTER OFF F4 HAEFELY P90 1 CONTROL UNIT Fi 8 gt Ji C e 10 11 PROG K 3 e ei F4 EFT Burst Generator PEFT Junior Confirmation of the tester configuration First menu In case of failure an error message is displayed Press F4 to continue From here it is posible to WRITE RUN or Program menu SAVE a program Press F1 to enter the edit menu Enter the following parameters Edit menu Test voltage 4 kV Press F1 enter 4 then press ENT Press J to enter the next menu To select the integrated single phase filter Burst output press F3 menu Press J to enter the next menu To activate all three coupling modes in Single phase succession press F2 then UP then ENT coupling menu Repeat the operation for F3 and F4 Press until the following menu is reached Press F1 enter the number 11 then press Program save ENT to save the current program to memory menu location 11 Press J twice to reach memory location 11 Program menu The program is saved with the name PROG K Press F4 to enter the run menu 43 HAEFELY P90 1 CONTROL UNIT PROG K loaded Es EL CHANGE PROGRAM gt F F3 PRESS START JN L F4 The lamp HV LINE ON illum HAEFELY P90 1 CONTROL UNIT V NOMINAL 4 0KV2 SPIKE FREQ 5 00KHz PAUS
16. String 20 X TR Initiate trigger X STOP STOP generator X X X STRT START generator PAUS Pause x On Off Tab 6 3 5 5b 56 EFT Burst Generator PEFT Junior 6 3 6 Program examples Example 1 Controlling HP48SX serial interface The program initialises a voltage ramp with no error reporting TEST1 lt lt REN PR1 CHV 4 PRI POL NEG PR1 HVOT OFF PR1 PL ON PRI TRA V PR1 TIME 60 PR1 VTRT 55 PRI STRT PR1 CLLCD TEST VOLTAGE 1 DISP 1 55 START CACT PR1 0 5 WAIT 128 SRECV DROP SWAP DROP A STO A RCL 4 DISP NEXT STOP PR1 GIL PR1 CLEAR gt gt Explanations TEST1 program name REN PR1 source control CHV 4 PR1 test voltage 4 KV POL NEG PR1 negative polarity HVOT OFF PR1 HV OUT deselected L ON PR1 coupling path L TRA V PR1 voltage transition TTME 60 PR1 test duration VTRT 55 BRIT voltage ramp duration STRT PR1 start the program CLLCD control indication to HP48SX TEST VOLTAGE comment 1 55 START begin loop CACT PR1 request the actual charging voltage 0 5 WAIT wait 0 5s 128 SRECV read 128 characters from the buffer DROP SWAP DROP prepare display A STO A RCL 4 DISP store value of CACT then display at line 4 NEXT link programs STOP BRI GTL BRI turn off the high voltage and return to local mode CLEAR end Tab 6 3 6a The programs are a quick demonstration of command principles The parameters not definrd in the examples are s
17. a DE return to the interface menu Press F4 to menu IEEE 488 EOS CR LF save this configuration and continue F3 pee TES Configuration parameters for the RS 232C and IEEE 488 are pre defined It is not possible to select other values to those contained in the communication file 6 3 3 PC Configuration The control device or PC must be configured to be compatible with the sytem communication requirements Example 1 Using the HP48SX controller and serial communication HP48SX P90 From the I O setup menu IR WIRE BAUDRATE 9600 ASCII BINARY DATABIT 8 BAUD STOPBIT 1 PARITY PARITY NONE CHEKSUM TYPE 3 PROTOCOL XON XOFF TRANSLATE CODE 1 EOS CR LF Tab 6 3 3a Example 2 Using the HP300 controller communicating by IEEE HP9000 series300 P90 HP IB configuration BUS ADRESS EOS Tab 6 3 3b 6 3 4 Using the RS232 IEEE type 730 interface The Remote Control type 730 interface contains two communication standards IEEE 488 and RS 232C 46 EFT Burst Generator PEFT Junior 6 3 4 1 Entry format Given in ASCII characters 7 digit Block and line terminations use the conventional CR Carriage Return LF LineFeed etc Source Handshake SH1 complete capability Acceptor Handshake AH1 complete capability Talker T5 Basic type of talker Series enquiry sounds always faulty De addressing with MLA Listener L3 Basic type of listener Sounds always faulty De addressing with MTA Service Request SR1 compl
18. a repetition frequency of 1 333 ms The three parameters are inter related through the following formula SPIKE FREQ x BURST DUR x BURST FREQ lt Max Nb impulses per second For the PEFT Junior the maximum is 600 36 EFT Burst Generator PEFT Junior 6 1 4 4 Test duration TEST TIME The test duration can be selected between 1 and 29999 s 8h33 This is the test time per coupling path In the case of multiple coupling paths eg L then N then PE the total time to complete all three paths will be TEST TIME x 3 To increase the test time it is possible to loop a program with itself so it runs continuously until START STOP is pressed 6 1 5 Synchronisation The Synchronisation menu enables spikes to be produced at random or to be synchronised to a defined source Internal detection of the reference source is between the following a signal from the external filter available at the connector P90 EXTENSION a signal from the front panel SYNC IN connector an internal signal 50 or 60 Hz corresponding to the supply frequency of the PEFT Junior Synchronisation is defined in relation to the first impulse of a burst HAEFELY P90 1 CONTROL UNIT a n The synchronisation possibilities are Synchronisation available on this page menu RANDOM SPIKES OFF gt gt e BURST SYNCRO OFF gt SYNCRO FREQ 50Hz F3 gt eum F4 y SYNCRO ANGLE 180 SYNCRO FREQ SYNCRO ANG
19. em 22 4 3 2 Remote oi 23 5 Test set up 24 NAAA Ti Mn na dest DR e Hc pus a dest thun 24 5 2 Operating personnel 25 5 SE eG Aaa a Aa ANR 24 5 3 Initial operation sise 24 5 3 1 ODBCBIGODEO escis ato Gri Lov AA es 24 5 372 MAINS POWER iii A Mae 24 5 4 Installation in accordance with IEC 1000 4434 25 5 4 1 Installation for single phase testing ccccceeeeeeeeeeeeeeeeeeeeeeenteeeeeeeeeeeeaeeees 25 5 4 2 Installation for three phase testing 26 5 4 3 Installation for coupling into control lines 27 5 5 Other test system possibilities nent 28 5 5 1 System controlled by PC iit tete date cec e occu nn 28 5 5 2 Single phase ori line SVSteri oic oe rere ipe rie 29 5 5 3 Three phase orn line Systetri uo Ee eene deci een pen 29 5 5 4 EMC test system PATS x asm t 30 6 Operation 31 6 1 GE ge D TEE 31 afale le D du TEE 32 6 1 1 1 Nominal test voltage V NOMINAL sese 32 6 1 1 2 Burst pol anty POLARITY en ananas nier 32 6 1 1 3 Burst trigger TRIGGER enmt terere ri pb abate die 32 EFT Burst Generator PEFT Junior 6 1 2 Burst output BURST OUTPBUT nnn 33 6 1 2 1 Direct output TO HV OL Dic o aid 33 6 1 2 2 Coupling to single phase mains TO LINE 1PHASE 33 6 1 2 3 Coupling to three phase mains TO LINE 3PHASE ooocccccccocincnccconnnnnos 33 6 1 3 Coupling path options COUPLING PATH sssssssesssseeseeseereeerrerreeeerrer
20. the INPUT ON OFF switch 5 4 2 2 2 Coupling paths Coupling paths are indicated by the lamps L N and PE 3 The generator can perform all the coupling paths required by the standard IEC 1000 4 4 4 2 2 3 EUT mains protection There is no EUT mains protection Protection of EUT circuits is the responsibility of the user 20 EFT Burst Generator PEFT Junior 4 2 2 4 High voltage burst output The lamps 1 and 3 indicate the selected burst output path The following table shows the state of the high voltage output connector 2 for different coupling modes Direct output This mode is used for TO HV OUT coupling into signal line verification of the pulse form Output to single phase coupling filter Output is inactive TO LINE 1PHASE Output to three phase coupling filter This mode is only used for external TO LINE 3PHASE coupling filters Tab 4 2 2 4 The high voltage connector is of a type SHV 4 2 2 5 Ground connection The ground connection 6 is a reference point to be used when the PEFT Junior is operated in conjunction with an FP EFT 32 1 for three phase coupling It is recommended that a braided cable or copper band be used for this connection EFT Burst Generator PEFT Junior 21 4 3 Control modes The PEFT Junior can be used in several modes for different applications Local control is often sufficient in a laboratory application where the operator can directly adjust the test parameters for diffe
21. 232 IEEE type 730 interface sosnneeeeseeeeseneesseerrrrrnrrrrrerrn 46 EFT Burst Generator PEFT Junior ESA MEN OEM SE Lee Eos Eam cu Ev mn Et o E 47 A od Go eit Se aute aid Go eni aai osten 47 6 3 4 3 Serial Interface RS 232C us 47 6 3 4 4 Switching remote mode local mode ssssnneseeesssessenessserrrrrneerrrrrrnn 47 e esse ren aet ea adeb EE 47 6 3 5 1 Command EE et ERA KERN ERE RTL VERBO EUER een 48 6 3 5 2 Interrogation COMME 49 0 3 5 3 Remote Control Debug utility coo 49 6 3 5 4 Error control eodein reed ia Pe ERR EE este nent ns Pe CR eu YR RUE ete te 51 6 3 5 5 PEFT Junior remote control commande 55 6 3 6 PrograimexatTiples 0 2 e de A be dii ito Leder tO dus tede eius 57 69 7 TES POTS ee T ds 60 6 4 FUN CUO Mal CAG RAINS Meet E PER 62 6 4 1 Menu configuration EE 62 6 42 Program Breed 63 6 4 3 Run time OPTIONS eei ti pedo sedere poe Sede kx pe e RE dee eme e EUR dan Quae d 64 7 Maintenance and verification 65 7 1 Maintenance sche te dosis 65 7 2 Measurement requirements sse enne eene rne rnnnns 65 fo QUICK verification OF PEE T ite Ni e fuae in eine 66 8 Function failures 68 8 1 Error MeESSagES id cx FR Dx Lu RR uuu 68 9 2 Fault Ee tt MU 69 EoEor Tul 70 8 4 Replacement parts seen 74 8 5 After sales ServiCe ssssirestenrdtrrmneerneeerneaneetenceneensadeteenencetesnsedet etencen eneade tee 74 EFT Burst Generator PEFT Junior 9 Shutdown and storage 9 1 Dail
22. 3a 1 2 4 Coupling modes The EFT burst can be delivered as follows Coupling into control lines using the capacitive coupling clamp Coupling into single phase mains Coupling into three phase mains To HV OUT To LINE 1PHASE To LINE 3PHASE 1 2 5 Single phase integrated filter Maximum operating voltage Maximum operational current Bandwidth Coupling attenuation Asymetric filter attenuation 1 2 6 Connections High voltage output Mains input to integrated filter Ueff Direct output to SHV connector Output coupled to integrated single phase filter Direct output to SHV connector with control of the external three phase filter Tab 1 2 4 250 V DC max 10 A 50 HZ max 16 400 Hz max 9A 1 to 100 MHZ lt 2 dB gt 20 dB Tab 1 2 5 to coaxial connector type SHV connector type IEC 320 250 V 16A Mains output from integrated filter Euro Schuko 250 V 16 A Tab 1 2 6 EFT Burst Generator PEFT Junior 1 2 7 Control Synchronisation with mains 162 340 50 60 ou 400 Hz Impulse trigger Manual or automatic Oscilloscope trigger Signal 15 V on output BNC Safety Software via safety circuit External 3 phase coupling filter The connection P90 extension enables option control of an external coupling filter Test report By connecting a printer to the serial output Remote control option Type RC730 interface for RS232 and IEEE Tab 1 2 7 EFT Burst
23. ART STOP gt Verify the waveshape parameters ta tb and Vp in accordance with the following tolerances 3 5ns ta 6 5ns 35ns tb 65ns Vp Vnominal A 10 The attenuation value xxdB of your 50Ohms attenuator is written on its label The factor A is defined as follows A z 10 xxdB 20 B Press START STOP Repeat the procedure step by step up to the end of the table on the record sheet 66 EFT Burst Generator PEFT Junior 7 4 Quick verification record sheet PEFT Junior mainframe serial No Impulse waveform Test equipment correct to specifications i a w IEC 801 4 PASS FAIL Step POLARITY POS 1kV POS 2kV POS 4kV POS 1kV NEG 2kV NEG 4kV NEG NEG RC 8 Tested by EFT Burst Generator PEFT Junior Burst Output active TO HV OUT TO HV OUT TO HV OUT TO HV OUT TO HV OUT TO HV OUT TO HV OUT ta tb Vp ns ns Date TO HV OUT 67 kV 8 Function failures 8 1 Error messages The P90 processor detects and displays the following system faults Message M generator not ready for run M open safety circuit B no nominal defined B start gt nominal B stop gt nominal B warning B EUT failed B no external filter connected E generator stopped B printer not ready B required option 68 not implemented Indication W The generator is not ready E Safety circuit open B A nominal voltage is not defined B Ramp start volta
24. C FS gt J set ac ENTE 38 EFT Burst Generator PEFT Junior 6 1 6 1 Test voltage transition VOLTAGE TRANS CONTROL UNIT E From this page it is possible to define the Voltage y voltage change parameters transition menu voltage transition fp V START 500KV 8 F3 TRANS TIME 20s PE V NOMINAL TRANS TIME Fig 6 1 6 1 6 1 6 2 Burst frequency transition FREQ TRANS HAN aie From this page it is possible to define the Frequency aa frequency change parameters transition menu Freq transition e F START 1 00KHz TRANS TIME 20s Il SPIKES BURST 75 gt RES F4 L SPIKE FREQ TRANS TIME Fig 6 1 6 2 SPIKE BURST defines the number of impulses per burst It enables generation of a constant energy ramp each burst being composed of the same number of impulses EFT Burst Generator PEFT Junior 39 6 1 6 3 Synchronisation transition SYNCRO TRANS PEE NIE From this page it is possible to define the Synchronisation LI synchronisation change parameters transition menu CONTROL UNIT SLE syncro transition SYNCRO START 0 TRANS TIME 20s PS gt aaa oa SYNCRO ANGLE SYNCRO START TRANS TIME Fig 6 1 6 3 The parameter SYNCRO START defines the ramp start angle in relation to the zero crossing point The angle starts to increment from this point 40 EFT Burst Generator PEFT Junior 6 1 7 Save menu
25. E OFF zi gt HAEFELY P90 1 CONTROL UNIT PATH L NEXT gt BURST DUR 15ms BURST FREQ 3Hz D HAEFELY P90 1 CONTROL UNIT PROGRAM gt PROG K PRINTER OFF gt ES 4 R F1 F2 F3 F4 __ Press START STOP to start the program execution inates and the test commences Voltage and frequency selections for the current test are displayed Test duration is shown as a bar Press F3 to activate the PAUSE function the high voltage remains ON but the test is suspended The values of BURST DUR and BURST FREQ are displayed for information Press F1 and the coupling path is switched to the next programmed selection Press J to enter the next menu The printer is not active Press F4 then UP DWN to change the selection Run menu Control menu Operational menu Program menu In the case where a printer is connected and the output is activated program interventions such as PAUSE NEXT and EUT FAILED are recorded on the printout 44 EFT Burst Generator PEFT Junior 6 3 Interface operation 6 3 1 Operation in remote mode If an RS232 IEEE Type 730 interface is fitted it is possible to control the P90 from a remote device It is necessary to set the interface for communication in the correct mode The remote configuration is entered from the P90 CONTROL UNIT al i Control is passed to the RS 232C interface Remote control menu system PEFT le module Ju
26. EFT Junior is initialised by switching on the mains Diagram 6 4 1 illustrates the menu possibilities Diagram 6 4 2 defines the procedure for programing a test sequence Functions which can be changed when the PEFT Junior is operating RUN MODE are shown in diagram 6 4 3 6 4 1 Menu configuration r S system service menu W RESET ALL PROGRAM gt REM CONTROL SETUP gt CONTINUE gt remote control remote control setup menu setup menu INTERFACE RS 232C INTERFACE IEEE 488 LOAD SETUP gt LOAD SETUP BAUDRATE 19200 BUS ADDRESS 122 DATABIT 8 EOS CR LF STOPBIT 2 LPARITY NONE d PROTOCOL NONE EOS CR M system PEFT module Junior version 1 60 TO CONTINUE PRESS F4 Tab 6 4 1 62 EFT Burst Generator PEFT Junior 6 4 2 Program functions r e system PEFT V NOMINAL 000KV2 module Junior gt POLARITY POS version 1 6 TRIGGER A M AUTO UTO CONTINUE PRESS F4 CHANGE PROGRAM ECH P s gt surge output gt Y S TO HV OUT YES WRITE RUN SAVE gt PRESS START A Y Y RANDOM SPIKES OFF TO LINE 1PHASE Ha 1 PROG A TO LINE 3PHASE S i 2 PROG B FS X J y 3 PROG C 2j lt Coup iog patis EN SPIKE FREQ 5 00KHz gt y Y 2 _ BURST DUR 15ms PATHON MR PROG A loaded BURST FREQ 3Hz PATH PE OFFO CHANGE PROGRAM gt F1 TEST TIME 300s BURST SYNCRO OFF SYNCRO FREQ 50Hz L SYNCR
27. ERR see table PRINT TABXY 35 13 TRANSITION TRAS ErrTRAS Display VTRTset 100 Transition time 100s OUTPUT 712 VTRT VTRTset Setting Transition time OUTPUT 712 STAT WAIT 0 5 ENTER 712 STATS PRINT TABXY 35 16 TEST STATUS STATS Status Delay for communication Control status PRINT TABXY 35 14 TRANS TIME VTRTreal ErrVTRT Display OUTPUT 712 STRT Test start Display IF STATS STBY THEN GOTO beforeend End of test OUTPUT 7125 SP Test serial poll ENTER 712 SP Control serial poll IF BIT NUM SP 1 1 THEN stop ELSE continu Test EUT failed stop PRINT TABXY 35 18 TEST ABORTED SPtest Display OUTPUT 712 GTL return to local mode END IF continu OUTPUT 712 CACT Actual test voltage WAIT 0 5 Delay for communication ENTER 712 CACT Control actual test voltage PRINT TABXY 10 10 ACTUAL TEST VOLTAGE Display PRINT TABXY 10 12 CACT kv Display beforeend OUTPUT 712 STOP OUTPUT 712 GTL END Savety in case of none stop Go to local mode Burst Generator PEFT Junior 59 This program is a quick demonstration using many commands Parameters not defined in the example are set to their default values 6 3 7 Test programs Verify numerical values from the program to be within the correct range the values are automatically limited to their maximum and minimum
28. LE Fig 6 1 5 6 1 5 1 Random burst distribution RANDOM The RANDOM function enables impulses to be distributed in no fixed relationship within the range SPIKE FREQ to SPIKE FREQ 50 EFT Burst Generator PEFT Junior 37 6 1 5 2 Burst synchronisation BURST SYNCRO This function is a software switch burst synchronised to reference or not synchronised In the OFF condition impulse distribution is determined by the parameters SPIKE FREQ BURST DUR and BURST FREQ In the ON condition the first impulse of each burst is synchronised to the selected angle Impulse distribution is determined by the parameters SPIKE FREQ BURST DUR and the burst repetition by BURST FREQ 6 1 5 3 Frequency of synchronisation signal SYNCRO FREQ To synchronise with an external AC signal the frequency must be defined Possible frequencies are 1623 Hz 40 Hz 50 Hz 60 Hz and 400 Hz 6 1 5 4 Synchronisation to a phase angle SYNCRO ANGLE The parameter SYNCRO ANGLE defines the angle in degrees after the zero crossing point to which the impulses will be synchronised 6 1 6 Transitions The transition function allows a parameter to be varied during a test It is posible to change the test voltage repetition frequency and synchronisation angle during a test DONIROLUNIT This page displays the functions which can Transition P y be varied during a test menu NO TRANSITION acti e VOLTAGE TRANS d gt FREO TRANS
29. O NAGLE 1805 F Y y V_NOMINAL 1 0KV gt SPIKE FREQ 5 00KHZ PAUSE OFF E i and gt NO TRANSITION actiw gt VOLTAGE TRANS FREQ TRANS A SYNCRO TRANS gt 1 r x Voltage transition V START 0 50KV x TRAN TIME 20s 4 triggering e TRIGGER A M AUTO SYNCRO ANGLE 180 USYNCRO REQ 50Hz J I I I L I I I I I if I I PRINTER EFT Burst Generator PEFT Junior NEXT PROGRAM SAVE PROGRAM IN i 2 OFF 63 Tab 6 4 2 6 4 3 Run time options V_NOMINAL 1 0KV gt spike freq 5 00KHz PAUSE OFF CHE ime lisez 27 os d N HV out Md BURST DUR 15ms BURST FREQ 3Hz gt y lt program gt PROG K Tab 6 4 3 64 EFT Burst Generator PEFT Junior 7 Maintenance and verification 7 1 Maintenance After a period without use it is recommended that the electrical contacts and air passages be cleaned 7 2 Measurement requirements An attenuator to measure the voltage is available for the PEFT Junior The measured signal can be displayed on a storage oscilloscope The oscilloscope should have a 400 MHz minimum bandwidth The oscilloscope can be triggered from the BNC sockets TRIGGER OUTPUT The connections are shown below Equipment required for Haefely reference Quick Full verification Attenuator 50 Q option ref 093 577 1 1 Attenuator 1000 Q option ref SPZ 54 a a PERA E
30. Oscilloscope TEKTDS540 Probe 10 A KI Probe 100 Tek6009 nc High voltage probe Tek6015 0935521 AC source 16 to 400 Hz LFP6 1 2492021 Multimeter D I Full verification is only described in the service manual EFT Burst Generator PEFT Junior 65 7 3 Quick verification of PEFT It is recommended that a regular check of the PEFT Junior main functions is made The following procedure is a quick manual verification of the PEFT Junior Using the WinPATS option it is possible to make an automatic verification of the PEFT Junior The following is an extract from the PEFT Junior service manual Impulse waveform B Connect the PEFT Junior chassis and the oscilloscope to a common earth plate B Place a 50 ohm divider 54dB terminator option to the high voltage BNC output or to the adaptor for filter output Option with Service Set PEFT 249221 1 E Connect a 50 ohm cable of less than 1 meter between the divider and the oscilloscope input B Make a connection between the P90 trigger output and the oscilloscope external trigger input or use an auto trigger B Set your PEFT Junior with the default parameters Use the following procedure to do the measurements B Set the parameters Vnominal POLARITY Burst Output listed in the test report table B Configure the oscilloscope to display the output Channel 1 DC 500hm Range Vidiv Time base 2ns div Trigger CH1 Edge 30 B Press ST
31. The entry menu gives access to the first four parameters in a test HAEFELY P90 1 CONTROL UNIT m This page displays the first four test Entry menu p parameters V NOMINAL 000KVO Te POLARITY POS i TRIGGER AUTO F3 CHANGE PROGRAM 3j 6 1 1 1 Nominal test voltage V NOMINAL This parameter defines the output voltage level into an open circuit Out of range parameters are corrected by the program to the parameter limit In the case of a voltage transition the test voltage will not exceed the value of V NOMINAL NB the test voltage can be changed manually during a test by pressing the UP DWN keys At the end of the test a message will be displayed indicating that the voltage has been changed manually with the exception of V NOMINAL all the parameters have default values This means that after entering a value for the test voltage it is possible to start a test immediately The default parameters correspond to the requirements of the standard IEC 1000 4 4 6 1 1 2 Burst polarity POLARITY Burst polarity is defined by this parameter The possible options are POS for positve and NEG for negative 6 1 1 3 Burst trigger TRIGGER The burst can be triggered one of two ways manually MAN a burst sequence can be triggered by pressing any button on the keypad In this mode BURST FREQ transition is not available automatically AUTO a burst sequence is released at the frequency defined by BURST FREQ
32. User manual EFT Burst Generator PEFT Junior Title Release date Author Layout Reference Number of pages Name of file EFT Burst Generator PEFT Junior 17 3 97 N Wright BA 28 LK DOC 250231 1 00 83 2E250231 DOC Contents 1 Description 1 1 1 Introduction scierie rene nn E 1 152 Technical data ne MN 2 12 1 Impulse Shape 3 tee eiae A 2 1 2 2 Voltage testi Sata ita iia ada 2 1 2 3 Operating te Ee 3 1224 C OUpliig MOJE S ie EE Eege 4 1 2 5 Single phase integrated filter 4 12 60 COMMECUON RSS C T AE d ON N ios 4 12 7 Control 5 WI DIMENSION Ss A ner ne ce nee 6 E Electrical CONNECTIONS mee 6 PL DO Doo EE 7 2 Safety 8 2 1 Safetyetandards iei repetito E e E prd etsi 8 2 2 Environmental conditoris acide ena derer i eder meg dor o co Fes Pe Pen ne dut 8 2 3 Operating precautions esses 9 2 4 Electromagnetic compatibility 2 aree apt 9 2 D LIME SOR ability Riese is ed 9 3 Technical overview 10 Sere O A E 10 3 2 Control circulis o dore ott eed nete en chad ixi ipu aot aba erre buie 11 3 9 POWerSUppll8s 2 5 e IET aeter are E eer es Rei dre get aereo eva Ee rv Eee ve Pe pa RR usa 12 EFT Burst Generator PEFT Junior 3 4 e Be le Ce 12 3 5 Impulse circuits 1 ecce ads 13 4 Control elements 14 AA Generator rear panel airo nement eed Rote db eof Ran 14 A A EEEEETT 14 4 1 2 Primary power dd 14 4 1 3 Printer conne
33. WITZERLAND DATE TIME ais SYSTEM PEFT MODULE Junior VERSION 1 60 PROGRAM PROG A VOLTAGE NOMINAL 4 00KV POLARITY POS TRIGGER AUTO SPIKE FREQUENCY 5 00KHz RANDOM SPIKES OFF BURST DURATION 15 0ms PHASE SYNCRO ON BURST FREQUENCY 3Hz SYNCRO ANGLE 90Deg 60 Hz VOLTAGE TRANSITION V START 500KV TRANSITION TIME 60s TEST TIME 60Hz 1 BURST OUTPUT TO L TEST TIME 60s Pause at 2 20KV Pause at 2 61KV 2 BURST OUTPUT TO N TEST TIME 60s Pause at 2 02KV Pause at 2 54KV 3 BURST OUTPUT TO PE TEST TIME 31s EUT failed fail at 2 41KV 42 EFT Burst Generator PEFT Junior 6 2 Function operation To begin testing with the PEFT Junior the minimum of parameters have to be entered Never the less it is necesary to understand how to program the generator HAEFELY P90 1 CONTROL UNIT D Se system PEFT e module Junior version 1 6 E F3 TO CONTINUE PRESS F4 J E F4 HAEFELY P90 1 CONTROL UNIT P F1 WRITE RUN SAVE gt ug E 1 Ka 2 F3 3 SH F4 HAEFELY P90 1 CONTROL UNIT F1 V NOMINAL 4 00KV ei POLARITY POS Geer TRIGGER AUTO F3 CHANGE PROGRAM F4 HAEFELY P90 1 CONTROL UNIT F1 T d GER Burst output le as TO HV OUT m TO LINE 1PHASE YES F3 TO LINE 3PHASE gt 2 F4 HAEFELY P90 1 CONTROL UNIT lph coupling path gt lp PATH L ON m PATH
34. arameters and test sequences are available on this display The display is four lines of twenty characters each Each line relates to a function key 9 The last digit on the first and fourth lines is reserved for the symbol which indicates more menu pages are available either above or below the current position These pages can be accessed using the keys 8 and 10 EFT Burst Generator PEFT Junior 17 4 2 1 2 Safety circuit indications SAFETY 2 The state of the safety circuit is indicated by the SAFETY lamps green indicating that the safety circuit is open and red that the circuit is closed The function of the safety circuit has already been described in section 4 1 12 A green lamp open safety circuit means that the high voltage is disabled and it is safe to work with the EUT A red lamp safety circuit closed means that the high voltage can be enabled Exercise caution 4 2 1 3 START STOP key 3 The START STOP key activates the high voltage and commences the test sequence The lamp HV LINE ON 4 illuminates indicating the high voltage on state Pressing START STOP when the test is running will disable the high voltage During a test sequence START STOP enables a program to be stopped or continued depending on the generator condition For more information refer to section 6 4 2 1 4 HV LINE ON indication 4 If this lamp is illuminated the high voltage is on and may be present at the high voltage output or
35. around the side of the PEFT Junior to assist in warm air dissipation 4 1 2 Primary power Mains primary power 2 is connected to a 10A socket with integrated mains switch fuse and supply filter A mains protection fuse of the type T 0 2 A 250 V is mounted on the main PCB 4 1 3 Printer connection PRINTER Test reports can be generated by connecting a serial printer to the PRINTER socket 3 the RS232 configuration is Baud rate Databit Stopbit Parity 14 EFT Burst Generator PEFT Junior The following pins are used Pin 2 RxD Pin 3 TxD Pin 20 DTR Pin 7 GND Pin 18 5V Pin 1 Chassis 4 1 4 Interface IEEE GPIB Option This interface is part of the RC 730 remote control module For more information refer to the RC 730 user manual 4 1 5 Interface RS 232 Option This interface is part of the RC 730 remote control module For more information refer to the RC 730 user manual 4 1 6 External coupling filter control P90 EXTENSION option The P90 EXTENSION connection enables control of an external three phase coupling filter type FP EFT 32 1 directly from the PEFT Junior test system As for the single phase integrated filter the generator controls automatically the coupling mode and synchronisation source Further information is provided in the FP EFT 32 1 user manual 4 1 7 Safety circuit SAFETY CIRCUIT The safety circuit connector enables the user to construct a safety loop around the test sys
36. ch and most elements of the single phase coupling filter Power supply unit generates 24 V DC Fan Power supply unit Main PCB E We Filter coils Fig 3 1 10 EFT Burst Generator PEFT Junior 3 2 Control circuits the P90 microprocessor is the interface between the user and the generator It controls all the functions of the PEFT Junior The LCD display has two user accesseable layers the first is to display parameters and test sequences the second displays the operational conditions during a test Syncro Input gt Control unit microprocessor Trigger output Control unit display Control unit keyboard EUT failed option EFT Burst Generator PEFT Junior _ P90 1 p RS232 IEEE Option gt Printer gt gt DO gt P90 Extension Option Main PCB Power supply C D Safety circuit Fig 3 2 11 3 3 Power supplies the PEFT Junior must be supplied from a single phase supply of either 230 V 50 Hz or 115 V 60 Hz Supply voltage changeover is accomplished by use of the manual switch on the rear panel HV supply Main PCB Manual switch Power Supply gt ManPcB 24 V Main switch Filter Mains voltage control Fig 3 3 3 4 High voltage circuit
37. ction PRINTER ao ida Pepe EP corde pida 14 4 1 4 Interface IEEE GPIB Option isso 15 4 1 5 Interface RS 232 Option ii 15 4 1 6 External coupling filter control P90 EXTENSION option 15 4 1 7 Safety circuit SAFETY CIRCUIT anses st ro e et te Cer it Ala te 15 4 1 8 Mains voltage selection Line input 15 4 2 Generator front Gan zougesot EENS enun Rx er Der hc e o DR eme eee 16 4 2 1 Control Aid 17 4 2 1 1 Liquid crystal display Muscari set Odeon iris 17 4 2 1 2 Safety circuit indications SAFETY 2 18 42 LS SIARISTOP KV 18 4 2 1 4 HV LINE ON indication 4 18 4 2 1 5 POWER ON OFF switch Biens nent det sacre de 18 4 2 1 6 Synchronisation input SYNC IN 6 18 4 2 1 7 Oscilloscope trigger output TRIGGER OUT 7 18 4 2 1 8 Menu previous page 8 18 4 2 1 9 Function keys F1 to F4 9 iiit e deb c de om debe 19 4 2 1 10 Menu next page 10 cidem tese un t RR ue iR 19 4 2 1 11 Numerical keypad MID 19 4 2 2 High voltage impulse output connections 20 4 2 2 T EUW MAINS e iios em Er EP Tett e EP T re dre PRA ERE Re regt 20 4 2 2 2 Couplihig Dalle 2 557 3 5 6 t ener s nean de A aed aee a ne da Sh RR Li 20 4 2 2 3 EUT mains protection 20 EFT Burst Generator PEFT Junior 4 2 2 4 High voltage burst output 21 4 2 2 5 Ground coriie lion ct o noc Cro Fer E e ob FC ede ER E repos es 21 4 3 COMTOMOJOS e 22 ries RI E0cal conto a e a o el ada rp tte Sree ere eer
38. dling the EUT the high voltage and any supply to the coupling filter must first be switched off B For any service inside the generator first disconnect the mains Tab 2 3 For safety reasons the generator must only be connected to an earthed mains supply 2 4 Electromagnetic compatibility The EUT may radiate electromagnetic energy The local rules and regulations must be observed with regard to this stray energy The PEFT Junior should not be placed close to sensitive measuring instruments The PEFT Junior satisfies the requirements of the following immunity tests B Electrostatic discharge level 4 IEC 1000 4 2 B Electric fast transients and burst level 3 IEC 1000 4 4 B Surge level 3 IEC 1000 4 5 Fig 2 4 2 5 Limit of liability This operator manual is an integrated part of the PEFT Junior test system The safety and operating instructions must be complied with Emile Haefely amp CO LTD and all its sales partners refuse to accept responsibility for consequential or direct damage caused to persons and or goods due to non observance of the user manual or incorrect use of the PEFT Junior EFT Burst Generator PEFT Junior 9 3 Technical overview 3 1 Construction The generator comprises the following parts microprocessor unit P90 contains all the control elements of the PEFT Junior Main PCB here are mounted the high voltage supply and regulation circuits the impulse forming circuits high voltage swit
39. e gt character is available at the end of the fourth line 4 2 1 11 Numerical keypad 11 The numerical keypad is used to enter numerical values or change predefined values The keys 0 to 9 are used to change a parameters numerical value When a parameter has been selected with one of the function keys the cursor is placed on the last digit of the parameter value New data entered from the keypad automatically overwrites the previous value When a change is confirmed with the ENT key the internal memory replaces the old data with the new value The cursor is no longer visible is the numerical comma Press ENT to place the current parameter value in memory The BSP key shifts the cursor by one digit to the left the key is useful for corrections The UP key increments a numerical value or changes the value of a pre defined alphanumeric character The DWN key decrements a numerical value or changes the value of a pre defined alphanumeric character EFT Burst Generator PEFT Junior 19 4 2 2 High voltage impulse output connections Fig 4 2 2 4 2 2 1 EUT mains supply The single phase mains input connector 7 is on the right hand side of the front panel and the EUT connection 4 is in the centre Mains input is connected using a 16 A cable The EUT connection is via a Schuko type output cable After a test using EUT mains power has terminated it is recommended that the mains be switched OFF using
40. e following guide should provide a shutdown without problems Equipment status Action The generator is operating Press START STOP to disable the high voltage The generator is powered ON Press POWER to remove the primary power The P90 is not powered Switch OFF mains power on the PEFT Junior rear panel The power switch is in the OFF Remove the mains cable position 9 2 Storage for long periods If the PEFT Junior is not to be used for long periods it is recommended to remove all the supply cables and store the generator in the correct environmental conditions as in section 2 2 EFT Burst Generator PEFT Junior 75 10 Packaging and Transport 10 1 Packaging The PEFT Junior packaging has been designed to withstand certain transport conditions It will help protect the PEFT Junior from the effects of vibration shock and water penetration However normal precautions and care should be taken during transport The original packaging should be retained for future use If it is not available a suitable replacement must be used Packaging information is available from our after sales service department 10 2 Transport When transporting the PEFT Junior the following must be observed it is forbidden to carry or stack the PEFT Junior on its side the generator should be kept in a vertical position when possible reuse the original packaging 76 EFT Burst Generator PEFT Junior 11 Disposal 11 1 Disassembly information
41. en mode locale autorisation d interrogation autorisation d argument actif en tat de fonctionnement CHV V NOMINAL kV POL POLARITY TRIG TRIGGER HVOT TO HV OUT PL PATH L or PATH L1 PATH N PPE PATH PE PLN PATH L N or PATH L1 N PLPE PATH L PE or PATH L1 PE PNPE PATH N PE PLNP PATH L N PE or PATH L1 N PE PL2 PATH L2 PL3 PATH L3 PLA PATH L1 L2 L3 PAN PATH L123 N PAPE PATH L123 PE PANP PATH L123 N PE Xx x lt FU Z x lt lt X lt X lt X lt gt X lt Xx x X x X x X Xx O B O Fh Fh x SDEG SYNCRO ANGLE Integer F1 16 2 3 Hz F2 40 Hz F3 50 Hz F4 60 Hz Xxx Xx x x lt X Xx SPB Number SPIKE BURST X Integer F5 400 Hz VSRT Voltage transition VSTART X X Real VTRT Voltage transition time X X Integer FSRT Frequency transition FSTART X X Real FTRT Frequency transition VSTART X X Integer D NPRO Next Program after Stop 0 11 Integer Tab 6 3 5 5a x EFT Burst Generator PEFT Junior 55 Description Type of parameter actif en mode locale autorisation d interrogation autorisation d argument ies c E c c 2 o I 2 o o ki A c o o GS PRT PRINTER On Off NAME Program NAME D String 10 DEB DEBUG mode SP Serial Poll GRO Service Request ERR Error code CACT Actual Test voltage FACT Actual Spike frequency Actual Syncro angle Actual coupling path L N PE STAT Geneartor status x X STBY BUSY READY CONF Actual configuration D
42. erereeeet 34 6 1 3 1 Single phase coupling 34 6 1 3 2 Three phase coupling 34 6 1 4 Repetition frequency 36 6 1 4 1 Spike repetition frequency SPIKE FREQ ooccccccccccccccconccononanannonnnnonnnos 36 6 1 4 2 Burst duration BURST DUR 36 6 1 4 3 Burst repetition frequency BURST FREQ oocccccccccccnoccccnononanononononnnnnnos 36 6 1 4 4 Test duration TEST TIME quitarla aub Ferca idea a Pup surdi doas 37 6 1 5 Synchronisation rr Pro anne nn nn nee 37 6 1 5 1 Random burst distribution RANDOM 37 6 1 5 2 Burst synchronisation BURST SYNCRO 38 6 1 5 3 Frequency of synchronisation signal SYNCRO FREQ 38 6 1 5 4 Synchronisation to a phase angle SYNCRO ANGLE 38 OO Transitlons io ri ert dn Ere Ter Ee ease ut rear pret d i May PR REV dees 38 6 1 6 1 Test voltage transition VOLTAGE TRANS sssssssssserssesssesrrrrrnressssrrnee 39 6 1 6 2 Burst frequency transition FREQ TRANS 39 6 1 6 3 Synchronisation transition SYNCRO TRANS 40 6 1 7 Save MENU S 41 6 1 7 1 Saving a program SAVE PROGRAM IN 41 6 1 7 2 Linking programs NEXT PROGRAM 41 6 1 7 3 Selecting the printer PRINTER s ue serein etes 41 6 2 Function operation sisi 43 6 3 Interface Operations sinistre ida aia bn A se 45 6 3 1 Operation in remote MOdeE EE 45 6 3 2 P90 interface confIgUratlOrts soot reete t te te rapto de Lot esee ae 45 p ao PC Confiance eoru er deor itu t e RE E e ead RU te 46 6 3 4 Using the RS
43. ers During the remote mode this page is displayed 23 Service menu Interface menu Remote control menu 5 Test set up 5 1 Instruction for set up Before using the PEFT Junior this user manual should be read carefully 5 2 Operating personnel Operating the PEFT Junior without having read the user instructions can expose the operator to potential dangers It is recommended that only trained personnel be allowed to operate the PEFT Junior WARNING Persons with heart pacemakers must not be in the area when the PEFT Junior is operating Remember the presence of high voltages is a potential danger even to trained personnel 5 3 Initial operation Before initial operation please check the following points 5 3 1 Optical control During transport all material is subjected to vibrations and mechanical shocks Before initial operation check for mechanical damage All modules and blank plates should be fitted so that they make good contact with the chassis 5 3 2 Mains power Check the mains power available in your laboratory is compatible with the PEFT Junior The mains voltages and frequencies are given in section 1 4 24 EFT Burst Generator PEFT Junior 5 4 Installation in accordance with IEC 1000 4 4 The EFT burst generator PEFT Junior is designed to meet the requirements of the standard IEC 1000 4 4 5 4 1 Installation for single phase testing The following installation is described in the standard
44. et to their default values EFT Burst Generator PEFT Junior 57 Example 2 Controlling HP9000 series 300 BASIC interface using IEEE This program contains voltage ramp error checking and a check for EUT failed 10 DIM Names 30 20 30 Remote control and identification 40 50 OUTPUT 712 REN Remote enable 70 WAIT 0 5 delay for communication 80 ENTER 712 Name enter identification s name 90 100 110 120 PRINT TABXY 130 PRINT TABXY 140 PRINT TABXY 150 PRINT TABXY 160 170 180 I l l 60 OUTPUT 712 ID Identification l Prepare computer s display HELLO USER MY NAME IS A DEMO PROGRAM FOR IEEE PEFT CONTROL PARAMETERS ERRORS 20 2 20 4 35 8 70 8 HS Input parameters in PEFT P90 190 CHVset 4 200 OUTPUT 712 CHV CHVset 210 OUTPUT 712 CHV 220 WAIT 0 5 230 ENTER 712 CHVreal 140 IF CHVreal CHVset THEN ErrChv LIMIT VOLTAGE MAX Test overlimit 150 IF CHVreal gt chvset THEN ErrChv LIMIT VOLTAGE MIN Test underlimit 160 ErrChvs o0k 170 PRINT TABXY 35 10 TEST VOLTAGE Chv ErrChvs Test voltage 4kV Setting test voltage Control test voltage real Delay for communication Display 180 190 200 OUTPUT 712 POL NEG Setting Polarity 220 WAIT 0 5 Delay for communication 230 ENTER 712 POLS 240 OUTPUT 712 ERR 250 WAIT 0 5 260 IF ERR 0 THEN ErrPOL 0K Else ErrPOLS ERR see table I
45. ete capability Remote Local RL2 no control with interlock Parallel Poll PPO no capability Device clear DCO no capability Device Trigger DTO no capability Controller CO no capability Tab 6 3 4 2 The bus address MTA My Talk Address and MLA My Listen Address are programable in the range 0 to 30 6 3 4 2 Entry format Given in ASCII characters 7 digit Block and line terminations use the conventional CR Carriage Return LF LineFeed etc 6 3 4 3 Serial Interface RS 232C This interface uses the TxD and RxD lines for communication For communication the hardware RTS CTS and the software XON XOFF can be used 6 3 4 4 Switching remote mode local mode Two modes of operation exist LOCAL and REMOTE Equipment not fitted with a REMOTE CONTROL type 730 is automatically set to local mode when primary power is applied If the REMOTE CONTROL type 730 is fitted local mode is set by the command GTL Go To Local Remote operation is selected with the command REN Remote ENable 6 3 5 Programing The P90 controller can be operated by a remote device The data is composed of parameter commands plus handshake information Control commands sent to the P90 are held in a buffer EFT Burst Generator PEFT Junior 47 of 128 characters The memory can be used in two ways The first uses 98 characters as a buffer memory The other accepts program blocks until an end of block character is recognised 6 3 5 1 Command syntax
46. g clamp type IP4A The test system can be made fully automatic by using the optional interface type RC 730 for RS232 and IEEE communication with the WinPATS software package EFT Burst Generator PEFT Junior 1 1 2 Technical data The PEFT Junior has the following technical characteristics 1 2 1 Impulse shape Definition in accordance with the standard IEC 1000 4 4 IEC 801 4 VA vi Vnominal Delta Vi es SPIKE FREQ x gt t tb BURST FREQ BURST DUR gt gt gt lt PEFTMES1 PIC Fig 1 2 1 Voltage impulse form into 50 Q ta 5 ns 30 tb 50 ns 30 Voltage impulse form into 1kQ ta 5 ns 30 tb 35 ns 150 ns Output impedance 50 Q 20 Polarity POLARITY positive negative Tab 1 2 1 1 2 2 Voltage test levels Open circuit test voltage Vnominal 0 22 to 4 5 kV 10 delta V for 75 impules per burst frequency 10 kHz lt 1 frequency 100 kHz lt 2 frequency 1 MHz lt 10 Tab 1 2 2 2 EFT Burst Generator PEFT Junior 1 2 3 Operating frequencies Impulse frequency limited as a function of test voltage see Fig 1 2 3a Burst duration Burst frequency Impulses second Impulses burst Diagram of limitations SPIKE FREQ 1 Hz to 1 MHz 2 for F lt 100 kHz 20 for F lt 1MHz BURST DUR 0 01 to 20 ms 2 BURST FREQ 1 to 400 Hz 2 max 600 SPIKE BURST max 150 Tab 1 2 3 500kHz EFT Burst Generator PEFT Junior 1MHz Fig 1 2
47. ge is bigger than the maximum B Ramp stop voltage is bigger than the maximum B System warnings B EUT failure detected B No external filter is connected to the P90 extension B System stopped B The printer is not conected or not configured correctly B The option selected is not available Tab 8 1 EFT Burst Generator PEFT Junior 8 2 Fault diagnostics The EFT BURST generator PEFT Junior was designed and produced in accordance with the quality standard ISO 9001 If however a functional failure does occur it is important to complete the following table which will assist in the search for the problem and help reduce system down time Symptom The PEFT Junior does not power on and no lights are illuminated Nothing is displayed on the P90 front panel and no lamps are illuminated The message generator fatal error is displayed The message generator fatal error is displayed again EFT Burst Generator PEFT Junior Questions E s the PEFT Junior plugged in E Is the supply within the limits specified in 1 4 B The generator fuses are intact E Is the generator mains switch selected to ON B s the supply within the limits specified in 1 4 B Has the PEFT Junior been subjected to mechanical shocks during transport see point 8 2 B Switch off the PEFT Junior and wait 5 minutes when powered on again does the same error message occur Bi Note the full error message and refe
48. igh Voltage Tab 1 5 2 Safety 2 1 Safety standards The generator has been constructed in accordance with IEC 348 and IEC 1010 Safety requirements for electronic apparatus This user manual contains information and warnings that must be heeded by the user for safe and efficient use of the generator 2 2 Environmental conditions The generator contains high voltage circuits in a very small volume this defines the environmental conditions under which it may be operated Temperature 15 C to 35 C Relative humidity 45 to 75 Atmospheric pressure 86 kPa to 106 kPa 860 to 1060 mbar Absence of Frost dew rain condensation water infiltration direct sun Tab 2 2 The generator must only be used in dry rooms In the case of visible condensation the generator must be dried before use Under certain conditions sparks can be produced by the EUT or generator Because of this the generator must not be used in an area where an explosion hazard exists WARNING Persons with heart pace makers must not be in the area when the generator is operating 8 EFT Burst Generator PEFT Junior 2 3 Operating precautions The generator produces high volatges it is essential that the following basic safety instructions be followed B Do not approach the EUT during testing Accesss to the EUT during operation can be prevented by use of the safety circuit B Never touch high voltage cables or connections during operation B When han
49. ilter enables the following path selections Coupling path selection Coupling path selection PATHL Phase 1 PATH N Neutral PATH PE Protection earth PATH L N Phase and neutral PATH L PE Phase and Protection earth PATH N PE neutral and Protection earth PATH L N PE All coupling paths simultaneously CONTROL UNIT _ By selecting all three modes to ON the paths Single phase 5 d L will be switched successively after test time coupling menu de le ol has expired PATH N OFF F8 PATH PE OFF EN m 6 1 3 2 Three phase coupling The external three phase coupling filter type FP EFT 32 1 enables the following path selections all are referenced to GND Coupling path selection Coupling path selection PATH L1 Phase 1 PATH L2 Phase 2 Phase 3 Neutral Protection earth PATH L1 N Phase 1 and neutre PATH L1 PE Phase 1 and Protection earth PATH N PE Neutral and Protection earth PATH L1 N PE Phase 1 neutral and Protection earth PATH L123 Phase 1 2 and 3 PATH L123 N Phase 1 2 3 and neutral PATH L123 PE Phase 1 2 3 and Protection earth PATH L123 N PE All coupling paths simultaneously 34 EFT Burst Generator PEFT Junior HAEFELY P90 1 CONTROL UNIT S 3ph coupling path gt PATH L1 ON PATH L2 OFF PATH L3 OFF HAEFELY P90 1 CONTROL UNIT 3ph coupling path PATH N OFF PATH PE OFF 3j HAEFELY P90 1 CONTROL UNIT e D PATH L1 N OFF PATH L1 PE OFF
50. nable PEFT Junior to Modification control FP EFT 32 1 Adapter set 249 200 1 Adapter set for single phase filter 78 EFT Burst Generator PEFT Junior 13 Corrections and additions EFT Burst Generator PEFT Junior 79
51. nior E RS 232C CONTROLLED Ke F3 6 3 2 P90 interface configuration The configuration menu is accessed by pressing and holding any key while selecting power ON at the P90 front panel The configuration menu structure is detailed below HAEFELY P90 1 CONTROL UNIT SC Press and hold any key when selecting Service menu rd power ON to reach this menu Press F3 to system service menu F2 INIT SYSTEM si JS enter the interface menu REM CONTROL SETUP gt F3 CONTINUE gt F4 PARTETA roo The operator can select the interface RS Interface menu note control Pars 232C by pressing F3 setup menu F2 Press to define the parameters INTERFACE RS 232C MES LOAD SETUP gt CE CONTROL UNIT Press y to define the parameters Configuration wee menu RS 232C BAUDRATE 19200 Te DATABIT 8 STOPBIT 2 Us F3 I PARITY NONE N r HAPETE Rop After entry of all the parameters press Configuration E Sei twice to return to the interface menu To menu EOS crer LF save this configuration and continue press RS 232C O F8 F4 a EFT Burst Generator PEFT Junior 45 HAE The parameter menu for IEEE 488 is active Interface menu F1 d H remote control QA Press to define the parameters setup menu sad F2 INTERFACE IEEE 488 m LOAD SETUP Ix L IN Et et After entry of all the parameters press to Configuration
52. ogram 2 NEXT PROGRAM 2 T F3 will be automatically recalled and run PRINTER OFF PN 22 EFT Burst Generator PEFT Junior 4 3 2 Remote control In remote control mode the generator can be operated through the communication interface type RC 730 in both RS232 and IEEE modes Control using the software P90U allows programs to be transfered in both directions between the PEFT Junior and a PC It is also possible to control the generator from a PC using the WinPATS software running under windows This has the advantage that the parameters are fully accessable from the PC Before entering the remote operating mode the interface has to be correctly configured Interface parameters are accessed by holding down any key on the keypad while simultaneously powering the PEFT Junior on For more details see section 6 4 HAEFELY P90 1 CONTROL UNIT a a system service menu e Tel INIT SYSTEM SAIT REM CONTROL SETUP gt ra CONTINUE gt LS F4 HAEFELY P90 1 CONTROL UNIT E remote control P d setup menu Se he INTERFACE RS 232C rs LOAD SETUP gt NC F4 V HAEFELY P90 1 CONTROL UNIT e F1 System BERT ENK module Junior Ka RS 232C CONTROLLED F3 EFT Burst Generator PEFT Junior This screen apears after pressing any key and the power on switch together To modify the remote configuration press F3 Press F3 to select the transmission paramet
53. orresponding to the possible values at the end of this paragraph Tab 6 3 5 4i P90 The character corresponds to 00100001 in binary The bit 1 indicates EUT failed 8 7654321 X X XX XXX L X X XXX XA lx XXXXXl10xx XXXXl1xxx XXXl1XXxx XXLXXX xx Xl1xxxxxx l Xx X x xxx x 0 or 1 The bits identifying errors 4 and 5 can be accessed by the command ERR The function SRQ identified by 7 can be accessed by the command SRQ The bit EUT Failed is only present when the entry EUT Failed is active It is reset to zero by the following operation Halts the program immediately function analogous to START STOP in local mode Tab 6 3 5 4j 53 STRT example 54 START Service ReQuest argument STATUS Response STBY BUSY READY controller STAT lt EOS gt TiMe Out argument Runs the current program from memory function analogous to START STOP in local mode Tab 6 3 5 4k Activates or deactivates access to the IEEE 488 ON OFF Tab 6 3 5 4 Check of the status bit only interrogation Description Equipment in standby mode Equipment in run mode system specific Equipment ready for run mode Tab 6 3 5 4m P90 STBY Equipment in standby mode Defines the time limit for communication Integer from 0 to 9 Tab 6 3 5 4n EFT Burst Generator PEFT Junior 6 3 5 5 PEFT Junior remote control commands Description Type of parameter actif
54. r to section 8 3 69 Tab 8 2 8 3 Service For safety reasons and during the guarantee period it is not recommended that internal repairs be attempted The PEFT Junior should only require servicing in the case where the message generator fatal error is continuosly displayed There are many reasons for this error message and generally one of the following messages is also displayed no CH voltage earth switch fault CH voltage overshoot hv regulation fault In this case please note the error message and immediately contact your Haefely representative who will inform you of the nearest service center To assist in the repair of your PEFT Junior please complete the following checklist and send to your repairing agent 70 EFT Burst Generator PEFT Junior Check list to be completed when returning a PEFT Junior O Customer Sales WO Repair WO Company name Contact name Telephone number DI FAX number EN O Equipment Generator Serialmumber amp O Software version High voltage module Serial number Interface Serial number Accessories OQ Serictnumber O Remote control Computer configuration XT AT 386 lex Other DOS version Interface Mouse or cursor Software O Coupling Equipment Serial number Accessories Cables O Problem Description of problem Is the problem reproducible
55. rent tests of short duration In quality laboratories however it is often necessary to make endurance tests For this application the PEFT Junior can be used in remote control mode Remote operation has the advantage that several tests can be run sequentially and the test results can be printed directly into a user defined test report In ECM test laboratories where the PEFT Junior is used with other test equipment to conduct tests on an EUT it is important to remember that switching between an EFT burst source and a surge source is sometimes important without interrupting the EUT supply In this case the remote control mode is the only one possible 4 3 1 Local control In local mode the user has to set the test parameters and store them as programs in the control unit memory It is possible to store up to eleven programs Each program can be run independantly be looped with other programs or be run continuously This is the normal mode of operation after power on For more details refer to section 6 HAEFELY P90 1 CONTROL UNIT MIS The operator can choose between Program menu 7 Write run or save a program ESTEE CA ONE ele Recall program A or B 2 PROG B EL Place 3 is free for storing another program A NE which will be named PROG C HAEFELY P90 1 H CONTROL UNIT The current parameters can be stored in Store menu res c2 L memory location 1 CHANGE PROGRAM gt D After running program 1 the next pr
56. satisfied Fig 5 5 2 5 5 3 Three phase on line system This is the same as for the single phase system except the generators are connected to their respective three phase coupling filters PSURGE 4 1 Fig 5 5 3 EFT Burst Generator PEFT Junior 29 5 5 4 EMC test system PATS Using testers available from Haefely it is possible to assemble a complete EMC test suite This is called PATS is modular and allows testing to the following standards EMC test line interference IEC 1000 4 10 EMC test EFT Burst IEC 1000 4 4 EMC test surge IEC 1000 4 5 In addition the system offers Automatic verification of the test equipment Monitoring and detection of EUT failures Test report printout Storing test parameters For more information please ask for a brochure from our sales department or local representative Low Frequency Coupler LFP6 FP SURGE 32 1 Verification IA Master PC Surge C WINPATS PSURGE 4 eeu Coupler fs FP EFT 32 1 EFT PEFT
57. system possibilities It is possible to include the PEFT Junior in many different test configurations The following examples illustrate some of the possibilities 5 5 1 System controlled by PC The PEFT Junior can be directly programed from a PC Using the remote control interface type RC 730 it is possible to communicate directly with a remote PC using either RS232 or IEEE formats The WinPATS software running under Windows 3 is an example of communication software curently available The following example shows the connections necessary for a computer controlled three phase test system WinPATS RS 232 amp IEEE Fig 5 5 1 28 EFT Burst Generator PEFT Junior 5 5 2 Single phase on line system The objective of such a system is to conduct several EMC tests on the EUT s single phase mains without powering off the EUT The following example using a PEFT Junior and PSURGE 4 1 enables the superimposition of EFT burst and surge without interrupting the EUT power The BYPASS function of the PSURGE 4 1 delivers a continuous power supply to the EUT and ensures the EFT burst is not affected by coupling elements in the PSURGE 4 1 filter It is recommended the test system be connected as follows EFT burst then surge then EUT In this configuration the attenuation requirements of IEC 1000 4 5 are
58. t valid in local not valid while run 6 3 5 4 Error control Meaning The input buffer memory has exceeded 100 characters timeout exceeded in listen mode Header exceeds 4 characters the option part of a command is missing command not recognised parameter incorrect timeout exceeded in talk mode this is not an interrogation command waiting for an interrogation command not allowed in local mode command only valid in standby mode Tab 6 3 5 3c A list of options specific to the PEFT Junior is given in 6 3 5 5 The options available for systems equiped with the P90 are given below ERRor query Code examples Interrogation command The response to a command ERR is a number Description no error command only valid in remote mode unknown command argument not valid no query available command only valid in standby mode timeout during transmit parity error during RS 232C transfer overflow in receive buffer other failure The codes 1 to 5 are applicable to the immediately preceeding command The error signal is reset after each interrogation Tab 6 3 5 4a response CHV 1 25 ERR lt EOS gt 0 CHV amp ERR lt EOS gt EFT Burst Generator PEFT Junior 3 51 example example example PRT 52 Go To Local IDdentification Interrogation command ID lt EOS gt controller NAME Testprog lt EOS gt NAME lt EOS gt store PROGram argument controller PROG 5 lt
59. tem and or EUT Detection of this circuit condition is under software control When activated open the software disables the high voltage and a failure message is displayed The short circuit safety plug delivered with the generator can be adapted to suit the users requirements 4 1 8 Mains voltage selection Line input The mains voltage selector can be switched using a screwdriver or small coin The switch function is to enable selection to either 110 V or 220 V in accordance with the laboratory supply EFT Burst Generator PEFT Junior 15 4 2 Generator front panel HAEFELY em HAEFELY em Fig 4 2 1 Control unit P90 1 2 High voltage impulse output connections 16 EFT Burst Generator PEFT Junior 4 2 1 Control unit P90 The PEFT Junior is controlled by a microprocessor control unit The processor 8085 monitors generator functions reads the keypad sends information to the display controls test parameters and facilitates the storing and recall of test sequences The user enters all commands from the front panel Main components of the front panel are an LCD display 1 a numerical keypad 11 and the function keys 9 775 C7 L HAEFELY P90 1 CONTROL UNIT RT STOP SAFETY HV LINE ON SYNC TRIGGER OUT IN Fig 4 2 1 4 2 1 1 Liquid crystal display 1 PEFT Junior status information test p
60. tion which must be at the end of the command line examples Interrogation command P90 response CACT lt EOS gt Actual impulse voltage POL lt EOS gt polarity negative CHV 1 00 ERR lt EOS gt 0 Charging voltage 1kV error no error Tab 6 3 5 2b 6 3 5 3 Remote Control Debug utility The remote control debug utility can be accessed from either the remote control module or the application program The following commands activate and deactivate this utility DEB ON lt EOS gt activate utility DEB OFF lt EOS gt deactivate utility Tab 6 3 5 3a EFT Burst Generator PEFT Junior 49 Error messages NC 4 Error number Meaning 0 no error 101 Safety circuit open 102 No nominal voltage defined 103 Ramp start point is greater than the maximum value 104 Ramp end point is greater than the maximium value 105 No coupling path defined 106 SPIKE FREQ too large 107 BURST FREQ too large 108 Voltage range problem 109 Printer not ready 110 Nominal voltage too big 111 Nominal changed manually 201 EUT failure 202 General error 400 No external filter connected Tab 6 3 5 3b 50 EFT Burst Generator PEFT Junior The following error messages can be accessed from the P90 using the option Remote Control Debug Error Message input buffer ovfl timeout occured header gt 4 characters option required unknown header invalid argument timeout while talk no query here query expected no
61. y SDUtdOWFI eia t epp Pope testet td 9 2 Storage for long periods ere dee ote three dan 10 Packaging and Transport TOM PACKAGING it NE oon MA vole Aptana os e ce e Eae Leto db arc b d b Seca 1022 TANS DOM EE 11 Disposal 11 1 Disassembly information ert a tae 111 2 Recyclable components iori gen ia eoo erc eed Cc eere us 11 3 Non recyclable components 12 Accessories and options E Ree 122 OPINAS il A IEA de id il 13 Corrections and additions EFT Burst Generator PEFT Junior 75 15 75 76 76 76 77 TT pr 77 78 78 78 79 1 Description 1 1 Introduction The PEFT Junior test system enables electromagnetic immunity testing in accordance with the standard IEC 1000 4 4 IEC 801 4 The built in single phase mains filter enables coupling of EFT Burst into the EUT mains supply with minimum disturbance to the general mains HAEFELY mm HAEFELY mm Fig 1 1 The equipment is controlled by an integrated microprocessor control unit P90 In order to conduct three phase tests in accordance with the standard IEC 1000 4 4 it is necessary to use an external coupling filter For example the FP EFT 32 1 is a three phase filter that can be controlled directly from the PEFT Junior mainframe Tests in IEC 1000 4 4 which require coupling of the EFT Burst into data and communication lines can be achieved using the capacitive couplin

EFT/ Burst Generator PEFT Junior

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