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37

7.

Test Equipment CWS 500A

7.1.

Construction

The CWS 500A continuous wave simulator is divided into three main parts. The
control unit is completely separated and decoupled from the RF power part.

2

3 4

6

8

1

5

II

I

Frontside

Rear panel

7

11

1

II

III

10

12

9

I

Control unit

1

Transformer

2

Power supply

3

Interface board

4

Processor board

5

Keyboard / LC display

6

Power supply filter

7

Connection board

8

Flat band cables to front panel

9

Calibration measurement device

II

Generator unit

10

Signal generator connection board

11

signal generator

III

RF power unit

12

Amplifier

Содержание CWS 500A / 75

Страница 1: ...GNETIC COMPATIBILITY CONSULTING AND SIMULATION Continuous Wave Simulator Type CWS 500A 75 IEC 61000 4 6 EN 61000 4 6 MANUAL Version 2 10 26 10 00 Replaces 2 01 25 05 00 Filename CWSA A5 DOC Printdate...

Страница 2: ...ion of the menus 17 5 2 Quick Start 19 5 3 User test routines 20 5 3 1 Voltage sweep 21 5 3 2 Frequency sweep 22 5 3 3 Dwell time sweep 23 5 4 Standard test routines acc to IEC 61000 4 6 24 5 5 Servic...

Страница 3: ...s 49 11 5 N commands 50 11 6 K commands 50 11 7 A commands 51 11 8 Feedback messages 51 12 ICD Software 52 12 1 Introduction 52 12 2 Minimal PC requirements 52 12 3 Installed Files on your Hard Drive...

Страница 4: ...earth ground has been verified by a qualified service person Do this before making connections to the input or output terminals of the test equipment Without the protective ground connection all parts...

Страница 5: ...if the equipment is powered by an auto transformer connected to a mains of higher voltage be sure that the low end of the auto transformer is connected with the neutral of the mains equipment of secu...

Страница 6: ...change or modify any EM TEST generator For service and repair only original EM TEST parts and components shall be used EM TEST is not responsible for any accident or injury incurred through the use o...

Страница 7: ...ain health conditions e g with a heart pace maker or similar device should be excluded from testing Generator and coupling decoupling network must be grounded and connected to reference plane Test set...

Страница 8: ...he generator Missing connections can cause overvoltages and danger for life Therefore it is absolutely recommended to use ground reference planes which are connected to protective earth 1 4 2 Testing...

Страница 9: ...bles and connectors can be overloaded by high voltages or energies Due to internal damage of components explosion and fire may occur Unintended use of the EUT may cause hazardous situations in the vic...

Страница 10: ...ctions CWS 500 Below are all possible connections to the CWS 500A The RF signal output is on the BNC plug on this side Fig 1 CWS 500 connection front side Fig 2 All other connectors are on the rear Fi...

Страница 11: ...10 2 2 Test setup CWS 500 Test Setup with CDN Test Setup with CNC 508...

Страница 12: ...W 6dB 75W Coupling decoupling Network Types CDN M 1 M 2 M 3 M4 M 5 CDN S1 50 75 S 2 S 4 S 9 S 15 S 25 CDN S 37 S 68 CDN T 2 T 2 RJ11 T 4 T8 RJ45 CDN AF 2 AF 3 AF 4 AF 8 EM Clamp Type F2031 Bulk Curren...

Страница 13: ...Calibration CWS Cal Basic calibration kit Transport case 150 to 50 Adapter BNC cable 0 5m Cal adapter according to CDN Adapter R100 150 to 50 Adapter R100A 150 to 50 Adapter for current clamp cal fixt...

Страница 14: ...Asked Questions No items under this chapter See in other chapter if you have a questions For other information ask contact the local sales representative or send a email to EM TEST AG info emtest com...

Страница 15: ...displayed in the lowest line and functions displayed with F can be selected with the related function key 4 Cursor keys Parameters and functions can be changed during the test The selection of these p...

Страница 16: ...tion Pause 8 Connection signal generator to amplifier 1 CAL input This input is used as a HF voltmeter For the calibration procedure see paragraph 4 3 calibration the measured RF test level will be ha...

Страница 17: ...cted and the test continues normally After 10 FAIL 2 Events the program will be terminated and the message FAIL 2 is indicated in the LCD Display as well as in the ICD software A protocol of the FAIL...

Страница 18: ...ed values The latest settings are stored automatically and will be recalled when the menu is selected again EXIT will reset the firmware to the main screen All functions are indicated on the display m...

Страница 19: ...save and recall his own specific test routines He can select standard routines or special functions such as automatic change of voltage or frequency during a test routine F3 Standard test routines The...

Страница 20: ...parameter can be changed with the knob inc dec Use the cursor keys to select other parameters By pressing STOP the test will be stopped and on the last line on the display it will be indicated that t...

Страница 21: ...nctions can offer up to 7 test routines to be stored After selecting one of the stored test files the test parameters will be shown in the display Page 4 Show parameters VOLTAGE SWEEP Store F1 V1 1 0...

Страница 22: ...V1 is smaller than V2 After selecting one of the stored test files the test parameters will be shown in the display Page 4 Show values VOLTAGE SWEEP Store F1 V1 1 0 V V2 10 0V V 1 0 V Mod 1kHz f 10 0...

Страница 23: ...ue or a percentage of the preceding frequency value After selecting one of the stored test files the test parameters will be shown in the display Page 4 Show values FREQUENCY SWEEP Store F1 V 10 0 V M...

Страница 24: ...ter selecting one of the stored test files the test parameters will be shown in the display Page 4 Show values DWELL TIME SWEEP Store F1 V 10 0 V Mod 1 kHz f 10 0 MHz td1 0 3 s td2 10 0 s td 1 0 s tr...

Страница 25: ...Level can be selected The function key F4 selects a procedure which starts at test Level X and stops at test Level Y X Y Test procedure acc EN 50082 2 The functions START CHANGE CAL and PRINT are the...

Страница 26: ...zerland and EM Test GmbH Germany will be displayed A list of the world wide sales partners is part of the annex of this manual F3 Setup The software will clearly explain the setup procedure F4 Change...

Страница 27: ...Additionally the Auto Off function can be programmed to switch off the backlighting after a defined time after the last manual operation 1 30min Due to the limited lifetime of the LCD backlighting ap...

Страница 28: ...s The RF output connector must be connected to a load before AC power is applied th the CWS 500 A Do not touch with the center pin of the RF output connector or accessories connected to it Place the e...

Страница 29: ...emoved before opening the equipment 4 CDN s are coupling decoupling networks as physically specified in IEC 61000 4 6 Due to this specification higher earth current exists due to the increased value o...

Страница 30: ...n OFF 2Hz 400Hz or 1kHz Connect the output of the 6dB attenuator with the 50 input channel of the oscilloscope Please take care with the max input power capability and the bandwidth of the measuring i...

Страница 31: ...an calibrate the complete test set up whenever necessary The operation is easy and fast 3 Changes in the test set up and in cabling can also be compensated 4 The Cal function can be started by each in...

Страница 32: ...ference plane at the AE port The decoupling inductance according the standard is 280 H The EM Test CDN have a higher inductance CDN M3 typical 500 H Therefore the calibration error at 150kHz is max 10...

Страница 33: ...ge of the calibration is always 100kHz 240MHz The calibration voltage is always 10V independent of the actual program setting For a calibration procedure which is using external receivers power meters...

Страница 34: ...is unable to complete the calibration procedure out of range calibration set up incorrect or incomplete the firmware will restore the calibration data from the previous calibration ATTENTION ATTENTION...

Страница 35: ...er characteristik EM Clamp Therefore a nearly unlimited number of CAL data can be generated managed and included in the actual operation of the CWS 500A Generally ICD has to be used if the operator is...

Страница 36: ...mp is similar to the CDN calibration Take care by connecting the EM clamp in the calibration setup The EUT port must be on the measuring device side Otherwise the calibration in the higher frequency r...

Страница 37: ...on the same test level are ignored for the actual selected dwell time After 10 Fail 2 events the test procedure will stop automatically Selecting PRINT will print a list of all Fail 1 and Fail 2 event...

Страница 38: ...r part 2 3 4 6 8 1 5 I I I Frontside Rear panel 7 11 1 I I I I I 10 12 9 I Control unit 1 Transformer 2 Power supply 3 Interface board 4 Processor board 5 Keyboard LC display 6 Power supply filter 7 C...

Страница 39: ...of 75W and forced air cooling 7 5 6dB attenuator The 6dB attenuator is connected directly to the RF output of the CWS 500A The attenuator has to be used together with the CWS 500A and matches the out...

Страница 40: ...esistors having a sufficient bandwidth according to IEC 61000 4 6 The components the impedance and the coupling factor are specified within the standard The components the impedance and the coupling f...

Страница 41: ...ites on the cables 2 The CDN s must be connected very well to the ground reference plane 3 The lines of the EUT must be isolated by 30mm from the ground reference plane whenever possible This is also...

Страница 42: ...1 2 130 3 3 140 10 x special special Frequency sweep When using discrete frequency sweep then the step size shall not exceed 1 of the start and thereafter 1 of the preceding frequency value This will...

Страница 43: ...100kHz In the menu QUICK START the step size can be selected by the user Modulation Amplitude modulation acc to IEC 61000 4 6 80 5 and 1kHz 10 acc to IEC 60601 1 2 80 5 and 2Hz General Amplitude modu...

Страница 44: ...outines integrated Quick Start immediate start all parameters adjustable during testing User test routines 1 Voltage sweep 2 Frequency sweep 3 Dwell time sweep Standard test routines acc to IEC 61000...

Страница 45: ...Manual Options CDN s acc to IEC 61000 4 6 Clamps EM clamp acc to IEC 61000 4 6 Current injection clamp acc to IEC 61000 4 6 Attenuator 6dB 40W 6dB 75W Termination 50 as matching resistor for CDN s 15...

Страница 46: ...software without option printer and instrument BNC cable 10 2 Accessories and options 50 matching resistor 6dB Attenuator 40W 6dB Attenuator 75W Wide range of different CDN s Coupling clamps acc to I...

Страница 47: ...bit 25 Pin SubD PC Printer Signal Signal 9 Pin SubD CWS 500A 2 TxD RxD 3 3 RxD TxD 2 7 GND GND 5 Shield Shield Parallel IEEE 488 interface addresses 1 30 selectable Command SH1 AH1 T4 L2 SR1 RL2 PP1...

Страница 48: ...mple NU 180 LF command comma end of command parameter checksum linefeed ASCII Hex N 4EH U 55H 2CH 1 31H 8 38H 0 30H 3BH in Byte 100H Byte Check Sum SUMME 1A3H A3H 100H A3H 5DH Remark sum of all ASCII...

Страница 49: ...4 0 4 5 7 0 8 0 20 0 22 0 60 0 0 2 0 5 1 0 2 0 V 10 600 Frequency f 0 009 250 000 0 001 kHz 9 250000 Dwell Time td 0 3 9999 9 0 1 s 3 99999 Modulation AM 0 OFF 1 2Hz 2 400Hz 3 1kHz 4 Pulse 0 4 Calibr...

Страница 50: ...ameters for normal CWS 500A testing With Cal the internal stores F1 F4 can be selected If Pau is 0 the output will be switched off after the time td and RR 00 LF will be sent back If Pau is 1 the outp...

Страница 51: ...the stores F1 F4 Cal is the storage number KR numbers of values will be sent back After that the values of the arrays 0 267 will be printed out 094 LF 092 LF 126 LF 255 LF 092 LF 126 LF Arrayplace 265...

Страница 52: ...ere was an error in data transmission which means too few or too many characters or the command is not acceptable RR 11 LF Test start is not possible or the test has stopped because TEST ON is not swi...

Страница 53: ...disk PC Pentium recommended VGA 800 600 256 colors 3 5 1 44MByte for Installation Interface RS232 Com1 2 or IEEE 488 Cards Keithley National AT_GPIB TNT PCMCIA PCIIA Software Software Cable CWS 500 W...

Страница 54: ..._DEISREG ISR _ISREG32 DLL Calibration data for any CDN s included in the delivery is stored in the directory CDN Copy this files from the Disk2 to the directory Progdir ICD32 CDN 12 4 Installation Rem...

Страница 55: ...54 13 Appendix 13 1 Schematic Blockdiagram CWS 500...

Страница 56: ...e above mentioned standards The product is conform with the COUNCIL EMC directive 89 336 EEC of the European Community For emission the measuring conditions are specified by a report of a competent bo...

Страница 57: ...r nominal conditions without a connected EUT self emissions 2 Functional based emissions are generated by the complete test setup including the test equipment the EUT and all necessary cabling 2 Appli...

Страница 58: ...lity the product Continuous wave generator Type CWS 500A To which this declaration relates in conformity with the following standard EN 61010 Safety requirements for electrical equipment for measureme...

Страница 59: ...ing Friendship Hotel Room 20337 3 Baishiqiao Road BEIJING 100873 P R CHINA Tel 86 0 10 684 98 714 Fax 86 0 10 684 98 716 email xhliu public fhnet cn net Czech republic Slowakia TESTOVACI TECHNIKA s r...

Страница 60: ...dzenia Elektroniczne Import sc ul Walbrzyska 11 503b biurowiec LAND PL 02 739 WARSZAWA Tel 48 0 22 549 92 46 Fax 48 0 22 549 92 47 emai UEI_WAR uei com pl Spain Portugal ALAVA INGENIEROS S A Est banez...

Страница 61: ...cess automation requirements dictate the use of commercially available microprocessors which have to work impeccably often on line under these hostile environmental conditions The end is not yet in si...

Страница 62: ...cable is removed After the mains are switched off the X Y capacitors may still be charged for some seconds 14 3 Calibration and testing Test set up When setting up the test national and international...

Страница 63: ...sequence The operator is free to program the individual levels according to the upper limits in the standard routines 14 5 EM Clamp connection in the test setup Take care by connecting the EM clamp in...

Страница 64: ...not measures shall be taken e g by using decoupling at the AE port to satisfy this condition By means of an extra current probe inserted in between the injection clamp and the EUT the current resultin...

Страница 65: ...agnetic Interference EMI Electromagnetic disturbance which manifests itself in performance degradation malfunction or failure of electric or electronic equipment Immunity Capability of a device equipm...

Страница 66: ...ces modulated E fields and or H fields power mains Radiation Conducted Electrical fast transients burst Electromagnetic influences produced in the neighborhood of a device by rapid variation of voltag...

Страница 67: ...eration of harmonics is observed in most power equipment as a consequence of their reactive coupling Electrostatic discharge The generation of an electrostatic charge is especially favored by the comb...

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