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EM TEST (Switzerland) GmbH

CWS500 N1.3 / N1.4

User manual

V 1.01

2 / 47

EM TEST (Switzerland) GmbH
Sternenhofstrasse 15
4153 Reinach BL1
Switzerland

Phone : +41 61 717 91 91
Fax :

+41 61 717 91 99

URL :

http://www.emtest.com

Information in earlier versions. Specifications
subject to change

Содержание CWS 500N1.3

Страница 1: ...Ed 4 and related standards with a frequency range between 10 kHz to 400 MHz Apart from the 1 kHz 80 AM signal the generator also generates a 2 Hz 80 AM signal to test medical appliances and a 1 Hz PM...

Страница 2: ...EM TEST Switzerland GmbH Sternenhofstrasse 15 4153 Reinach BL1 Switzerland Phone 41 61 717 91 91 Fax 41 61 717 91 99 URL http www emtest com Copyright 2016 EM TEST Switzerland GmbH All right reserved...

Страница 3: ...Saturation test Menu 19 5 5 1 Calibration 20 5 5 2 Saturation check 22 5 6 Service 23 5 6 1 Setup 24 5 7 Remote display 25 6 Starting Operation 26 6 1 Generator Function Check 26 6 2 Function Check P...

Страница 4: ...ory calibration 44 11 2 2 Guideline to determine the calibration period of EM Test instrumentation 44 11 2 3 Calibration of Accessories made by passive components only 44 11 2 4 Periodically In house...

Страница 5: ...User manual V 1 01 5 47 1 Model Overview This Manual describes the continuous frequency generator models CWS 500N1 3 Generator with frequency range from10 kHz to 400 MHZ and CWS 500N1 4 Generator wit...

Страница 6: ...es on the center pin of the RF output connector can be hazardous The RF output connector has to connect to a load before applying AC power to the CWS 500N1 x Do not touch the center pin of the RF outp...

Страница 7: ...the cooling air system may result in damage to the RF amplifier or intermittent shut down of the equipment 2 All panels have to install They are important components of the cooling system Never perfor...

Страница 8: ...Checks after unpacking 1 Connection bridge 2 Bridge SG OUT AMP IN 3 Safety Circuit 4 Voltage selector 5 Main Switch 6 Interface Fig 3 2 CWS 500N1 3 and CWS 500N1 4 rear side Fig 3 3 1 Connection brid...

Страница 9: ...ctor Fig 3 6 Attenuator 20 dB 1W Fig 3 7 Coupling Decoupling Network Types not complete list CDN M 1 M 2 M 3 M4 M 5 CDN S1 50 75 S 2 S 4 S 9 S 15 S 25 S68 CDN T 2 T 4 T 2 RJ11 T8 RJ45 CDN AF 2 AF 3 AF...

Страница 10: ...r male male metal rod 4 x plastic spacers only for impedance measurement Fig 3 13 150 to 50 Adapter for calibration R100N 150 to 50 Adapter 100 mm x 100 mm R100N1 150 to 50 Adapter 150 mm x 150 mm R10...

Страница 11: ...or moving it to the left or to the right The increment value of the selected parameters in the lowest line can also be selected with the cursor key 6 Knob Inc Dec This knob increments or decrements te...

Страница 12: ...he external amplifier to the connector SG OUT 6 115 230V Power selector Input power selector for input voltage 115V 230V Switch the unit off when change the voltage in another position 5 Power On Swit...

Страница 13: ...stops the actual test routine and terminates the test It is not possible to continue the test routine A complete restart of the routine will be necessary The message FAIL 1 indicated on the LCD Displa...

Страница 14: ...erator Model Frequency Ranges The version number and the software number SWN used for tracing purposes The report and calibration certificates list these numbers Even the software report generator lis...

Страница 15: ...andard IEC 61000 4 6 EN 61000 4 6 5 1 1 Parameter definition for the following menus V Voltage level Uo V The open circuit test level e m f of the unmodulated disturbing signal Mod Modulation of the d...

Страница 16: ...te the system The test begins by pressing START The blinking 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...

Страница 17: ...ecessary that V1 is smaller than V2 After selecting one of the stored test files the test parameters show on the display Page 5 Show Parameters VOLTAGE SWEEP Store F1 V1 1 0 V V2 10 0V V 1 0 V Mod 1kH...

Страница 18: ...f2 80 0 MHz F2 Level 2 3 0V f 1 0 td 1 0 s F3 Level 3 10 0V Cal F2 F4 Level X Level Y START CHANGE SAVE CAL F1 F2 F3 F4 F5 F6 F7 F1 F2 F3 F4 F5 F6 F7 With the function keys selects the desired Level...

Страница 19: ...Calibration Store F5 valid Calibration Calibration Store F1 F5 will be overwritten Start Kalibration Calibration Store F1 F5 Calibration in Progress Fail1 Kalibration stopped Fail2 Calibration interru...

Страница 20: ...user may start the calibration The firmware will ask whether to overwrite the existing calibration store or not A new CAL routine will overwrite the selected store F1 F5 The operator has to confirm th...

Страница 21: ...libration Which calibration store should be overwritten F1 Calibration Store F1 invalid F2 Calibration Store F2 invalid F3 Calibration Store F3 invalid F4 Calibration Store F4 invalid F5 Calibration S...

Страница 22: ...he calibrated signal F4 Calibration storage file F1 to F5 START Starts the saturation test with the selected level and calibration file Display during the saturation test Amplifier Saturation Test V 1...

Страница 23: ...r to change the standard values according to his preferences F5 Function check PM 1000 PM 1000 function check routine With this function the user checks the correct function of the MONITOR input and t...

Страница 24: ...is below 50 C Figure 5 11 Temperature behavior after power on and cooling in case of over temperature 5 6 1 Setup This menu helps the user to define the configuration of the CWS 500N1 x Page 3 Setup O...

Страница 25: ...25 47 5 7 Remote display During Remote operation the display shows different screens depend the actual software procedure Waiting TEST ROUTINES F1 Quickstart F2 User test routines F3 Standard test Te...

Страница 26: ...tput of the 6dB attenuator with the 50 input channel of the oscilloscope Pay attention to the maximum input power capability and the bandwidth of the test input Push TEST ON and start the test ATTENTI...

Страница 27: ...with the following signals Measuring with a 50 terminal connection at the input Measuring with the maximum attenuation 63dB to the RF output via a 6dB attenuator Measuring with a reduced attenuation 4...

Страница 28: ...F3 F4 F5 F6 F7 Fig 6 3 Setup step 2 with connected 6 dB attenuator Result after the test Finally the result of the check appears in the display Page 3 Service Function check Powermeter result In case...

Страница 29: ...libration and increases the next frequency 1 of the previous value The calibration ends at approx 240 MHz 6 3 1 CDN Calibration setup acc IEC 61000 4 6 Ed 3 Fig 6 4 Tolerances for calibration Umr Uo 6...

Страница 30: ...est With the icd control software the user can select the method Ed 3 or Ed 4 for the test Fig 6 6 1 Calibration Tolerances for calibration Umr Uo 6 19 16 or Uo 15 6 dB 1 5 dB Measuring for calibratio...

Страница 31: ...EM TEST Switzerland GmbH CWS500 N1 3 N1 4 User manual V 1 01 31 47 6 3 2 EM Clamp BCI Clamp Calibration setup acc IEC 61000 4 6 Fig 6 8 Test setup acc IEC 61000 4 6 Fig 6 9...

Страница 32: ...setup for EM Clamp BCI acc IEC 61000 4 6 with generator level control as per Ed 4 The standard IEC 61000 4 6 Ed 4 propose as alternative to use a dual directional coupler for control the forward powe...

Страница 33: ...setup and in the cable layout will also be compensated with a new calibration 4 The calibration function can be started by each internal program of the CWS 500N1 x These Cal files are valid for all te...

Страница 34: ...p Fig 7 7 Example Calibration Setup with CDN Fig 7 8 Example of cal adapters Note The frequency range of the implemented calibration routine is always 100 kHz 240 MHz The calibration voltage is always...

Страница 35: ...Calibration Setup for Bulk Current Injection Clamp BCI Fig 7 6 Calibration setup with BCI Attention During calibration of the test setup on a ground reference plane at very low levels very low curren...

Страница 36: ...ted above the reference ground surface All outgoing lines have to be decoupled via CDN The CDNs have to be inserted in a distance of 0 1 m up to 0 3 m from the EUT The CDNs have to be connected well w...

Страница 37: ...CDN side has no special requirements for the connected AE unit The AE is placed 10cm above the reference ground plane The other side of the EM clamp needs asymmetric impedance with 150 The AE 2 is onc...

Страница 38: ...the RF power section 10 12 13 1 14 15 16 16 16 16 3 4 5 2 6 9 8 11 7 I Control unit 1 Power Supply Filter 2 Transformer 3 Power Supply 4 Interface Board 5 Processor Board 6 Keyboard LC Display 7 Conn...

Страница 39: ...ard 9 Signal Generator III RF Power Unit 10 Amplifier 11 Power supply Amplifier 12 Bi Directional Coupler 13 PM 1000 Power Meter 14 Fans Fig 7 1 CWS 500 N1 3 9 3 Control Unit The control section inclu...

Страница 40: ...automatically After a new start the counter will be reset to zero Mode of operation for Fail 2 figure 8 3 The Fail 2 will increase the counter each event during the dwell time td with the following m...

Страница 41: ...d 9 8 CDN Coupling Decoupling Network The CDN s are connecting externally to the output of the 6dB attenuator The coupling network is use to couple the interference to the lines of the equipment under...

Страница 42: ...s Cal data 5 internal stores for calibration data ICD Software for the upload and download of Cal files LCD On line display of the test level and the preselected frequencies Monitor input PM1000 RF mo...

Страница 43: ...max Mainline VSWR 1 1 1 max RF Amplifier build in CWS 500N1 3 CWS 500N1 4 Class of Operation Class A Class A Frequency range 10 kHz 400 MHz 100 kHz 300 MHz Output power nominal 80 W 80 W Gain 48 dB n...

Страница 44: ...e details and therefore the customer needs to specify the calibration interval for his test equipment In reply to all these questions we like to approach this issue as follows EM TEST make use of a so...

Страница 45: ...range of different CDN s Coupling clamps EM clamp as per IEC 61000 4 6 for coupling of the RF signal to multiple cables Current injection clamp acc To IEC 61000 4 6 Current Probe acc IEC 61000 4 6 6...

Страница 46: ...ty is declared EN 61010 1 2011 Safety requirements for electrical equipment for measurement control and laboratory use EMC Directive 2014 30 EU Standard s to which conformity is declared EN 61326 1 20...

Страница 47: ...EM TEST Switzerland GmbH CWS500 N1 3 N1 4 User manual V 1 01 47 47 13 2 Block Diagram Fig 13 1...

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