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EM Test

CWS500 N2

User manual

V 3.00

13 / 38

4.3.

Display during Remote control

The CWS 500 can only work with remote control from the icd.control software Version 3.00 or higher. During the
operation the following information appears on the display:

Remote control

R E M O T E

ProgRemote

f

= 5.420MHz

Mod = OFF

FPow =

-17.6

dBm

FPow =

-----

dBm

Mon

=

-30.4

dBm

Dwell Time 0.3s

During Remote operation the display shows different screens depend the actual software procedure

Waiting

R E M O T E

AMP : 1

f =

10.538 MHz

AM = off

td =

0.3

s

PM1 = off

PM 2 = off

Display during a test

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Содержание CWS 500N2

Страница 1: ...ludes signal generator RF amplifier directional coupler 3 channel power meter software and GPIB interface The integrated amplifier can also be controlled using external signal generators The icd control software supports the test routines and controls external measuring devices ISO 11452 part 4 ISO 11452 part 5 RTCA DO 160D Mil 461 CS 114 EN IEC 61000 4 6 various automotive manufacturer s specific...

Страница 2: ... 2 38 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 2012 EM TEST Switzerland GmbH All right reserved Specifications subject to change ...

Страница 3: ...n Setup for Bulk Current Injection Clamp BCI as per ISO DO MIL 21 5 5 2 Calibration Setup EM TEST and IEC 61000 4 6 22 5 5 3 Calibration Setup with CDN 23 5 5 4 Calibration Setup with EM Clamp 24 5 6 Failure Input 24 6 Test Equipment CWS 500N2 25 6 1 Control Unit 26 6 2 Generator Unit 26 6 3 High frequency Power Unit 26 6 4 3dB Attenuator 26 6 5 6dB Attenuator 27 6 6 CDN Coupling Decoupling Networ...

Страница 4: ...lly Safety requirements manual Manual for operation CWS 500N2 2 Setup the CWS 500N2 2 1 Connections CWS 500N2 Below are all possible connections to the CWS 500N2 Fig 2 2 CWS 500N2 1 GHz connection rear view 2 2 Test Setup CWS 500N2 Figure 2 3a 2 3b Typical test setup with required parts for BCI application with CWS 500N2 ...

Страница 5: ...10kHz 400MHz F 120 6A 10kHz 400MHz FCC BCICF 1 Calibration Fixture for BCI clamp jig F 140A 100kHz 1000 MHz FCC BCICF 2 Calibration Fixture for BCI clamp jig Fig 2 6 Current Monitor Probe F 33 2 1kHz 250MHz F 55 10kHz 500MHz F 65 100kHz 1GHz Fig 2 7 Attenuator 3dB optional Type ATT3 100 3dB 100W Fig 2 8 Attenuator 20dB for DO and MIL application Type ATT20 100 20dB 100W Fig 2 9 Attenuator 20dB 20d...

Страница 6: ...tor 6 dB 75W Fig 2 13 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 S68 CDN T 2 T 4 T 2 RJ11 T8 RJ45 CDN AF 2 AF 3 AF 4 AF 8 Fig 2 14 EM Clamp Type EM 101 Fig 2 15 Calibration CWS Cal Basic Calibration Kit Transport Case 150 to 50 Adapter BNC cable 0 5m Cal adapter according to CDN Fig 2 16 Adapter R100N 150 to 50 Adapter R100A 150 to 50 Adapter for Cu...

Страница 7: ...right 6 EXIT The EXIT button resets the firmware to the main menu This is only possible if no test routine is running 7 ESC The ESC button returns back to the previous level in the menu 8 RF Output At this output the RF power is available The 3dB attenuator is connected if available via coaxial cable For conducted tests together with CDN s EM clamps or current injection clamps it may be suggested ...

Страница 8: ...put voltage 115V 230V 6 USB interface USB interface USB B connector For datatransfer a USB interface is available The internal RS 232 interface is converted to USB standard Therefore the user must set the same Baudrate in the device and control software Using the USB interface the user can have emc problems during burst tests Our experiences says that usually the computer USB port is disturbed by ...

Страница 9: ...2 Detection Pause 11 Pre Amp Insert Loop 10 Fail Detection FAIL 2 The BNC input FAIL 2 can be used for failure detection on the EUT If the input is set to ground chassis the failure will be detected and the test continues normally After a FAIL 2 events the test routine will stop and the message FAIL 2 will appear in the host screen icd control software 11 Pre Amp Insert Loop Output and return conn...

Страница 10: ...l take you back to the previous level in the menu and set the displayed values The latest settings are stored automatically and will be recalled when the menu is selected again EXIT The firmware will reset to the main screen Start up display EM TEST C W S 5 0 0N2 RF 9kHz 1 GHz V 3 21a03 SWN 002234 Generator Model Frequency Range The version number and the software number SWN are used for tracing p...

Страница 11: ...ng 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 of the display it will be indicated that the test has been stopped Page 3 Operating Quickstart Att 33 0 dB f 109 500 MHz Mod AM 1kHz 80 FPow 9 7 dBm Mon 56 9 dBm Rpow 16 5 dBm STOP F1 F2 F3 F4 F5 F6 F7 Error messages Quickstart Att 40 0 dB ...

Страница 12: ...0 knows the actual frequency and select automatically the correct reference When using an external signal Generator the instrument does not know the actual frequency Therefore it is very important to adjust the frequency in the display to the actual applied frequency otherwise the displayed measuring value can be wrong Page 3 Operating Quickstart AMP 2 Att 63 0 dB f 100 000 MHz Mod AM 1kHz 80 FPow...

Страница 13: ...her During the operation the following information appears on the display Remote control R E M O T E ProgRemote f 5 420MHz Mod OFF FPow 17 6 dBm FPow dBm Mon 30 4 dBm Dwell Time 0 3s During Remote operation the display shows different screens depend the actual software procedure Waiting R E M O T E AMP 1 f 10 538 MHz AM off td 0 3 s PM1 off PM 2 off Display during a test ...

Страница 14: ... modulation for IEC application Fig 4 3 Unmodulated 80 AM Pulse modulation Modulation as per ISO Modulation signal as per ISO peak conservation pulse standard These standards recommends the modulation signal with the same amplitude as the non modulated signal Fig 4 4 AM modulation with peak conservation ...

Страница 15: ...he amplifier to internal external Default setting after power on or go to local setting internal F5 Function check Powermeter Function check routine for the built in powermeter PM With this check function the correct working of the PM can be verified F6 Function check amplifier switch Check function for verification of the correct working of the built in amplifier switch and the built in Amplifier...

Страница 16: ...ng F3 Interfaces With this menu the user can define the status of the integrated serial and parallel interfaces e g the baud rate of the RS232 or the address of the IEEE interface F4 Keyboard Beeper F4 selects the beeper ON OFF mode F5 Timer By pressing F5 will display the total operating time of the CWS 500N2 will be displayed 4 4 2 Amplifier Switch Change of the used amplifier internal or extern...

Страница 17: ...roper function of the CWS 500N2 Blockage of the cooling air system may result in damage to the RF amplifier or intermittent shut down of the equipment 2 All panels must be installed They are important components of the cooling system Never perform tests with a partially or completely open generator 3 Before a test or a calibration may be performed the CWS 500N2 must be operating for at least 15 mi...

Страница 18: ...ed attenuators Using two 20dB attenuators with 15W each Generator ATT setting range 10 dB to 63 5 dB will not destroy the attenuators Push TEST ON and start the test ATTENTION DO NOT connect the output of the attenuator nor the output of the CWS 500N2 to the monitor input without sufficient attenuation otherwise the monitor input will be destroyed Using an oscilloscope or powermeter for checking t...

Страница 19: ...l connection at the input Measuring with the maximum attenuation 60dB to the RF output via a 3dB attenuator Measuring with a reduced attenuation 45dB to the RF output via a 3dB attenuator The function check has the following procedure Page 3 Service Function check Powermeter step 1 2 Fig 5 2 Press TEST ON Disconnect the HF OUT Connect a 50 Ohm matching resistor to the MONITOR input continue break ...

Страница 20: ...this test the output connector at the frontside should be left open The function check has the following procedure Page 3 Service Function check amplifier switch Fig 5 4 Press TEST ON Disconnect the HF OUT Connect the SG OUT directly to the CPL IN on the backside continue break F1 F2 F3 F4 F5 F6 F7 Page 3 Service Function check amplifier switch result Pass Fail end F1 F2 F3 F4 F5 F6 F7 ...

Страница 21: ...per ISO DO MIL Fig 5 5 Calibration setup with BCI ATTENTION During calibration of the test setup on a ground reference plane at very low levels very low currents is important The test results may be influenced by the cable layout on the ground plane High grade coaxial cables are essential Fig 5 6 Calibration setup with BCI ...

Страница 22: ...3 typical 500 H Therefore the calibration error at 150kHz is max 10 and will be reduced by increasing the frequency Error at 400kHz approx 5 The tolerance of the applied signal according to IEC 61000 4 6 is 25 The figure below shows two CDN M3 10V measurements with different calibration methods The results are within the 25 limit and the result is very similar The influence of the internal synthes...

Страница 23: ...und reference plane i e by using copper tape Fig 5 10 Calibration set up Fig 5 11 Example Calibration Setup with CDN Fig 5 12 Example of cal adapters For calibration procedures with PM 403 or external receivers power meters or analyzers the icd control software must be used Additional test instruments with IEEE488 GPIB interfaces may be incorporated Fig 5 13 Example Calibration Setup with BCI ...

Страница 24: ...on Wrong setup Green line reduced signal at high frequency Fig 5 15 Measuring result with correct and wrong EM Clamp direction 5 6 Failure Input Fail 1 A short circuit at the Fail 1 input will stop the test procedure It is not possible to continue this test Fail 2 A short circuit at the Fail 2 input will store the actual test data The test procedure will continue normally after Fail 2 is released ...

Страница 25: ...pled from the RF power section Fig 6 1 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 Measuring Device or PM Powermeter II Generator Unit 10 Signal Generator Connection Board 11 Signal Generator III RF Power Unit 12 Amplifier 13 Bi directional coupler ...

Страница 26: ... watts and forced air cooling Bi directional coupler The built in 200W dual directional coupler is used for measuring the Forward power and Reverse power The coupling factor of 40dB is corrected by the display of the internal powermeter PM 1000 Figure 6 3 6 4 3dB Attenuator The 3dB attenuator is a helpful optional device to match the output of CWS 500N2 to a 50 system and render there with the bui...

Страница 27: ...CWS 500N1 can also be used correctly without the 6dB attenuator all functions of the CWS 500N1 and the ICD control software is designed to be used with the 6dB attenuator 6 6 CDN Coupling Decoupling Network The CDN s are connected externally to the output of the simulator or the 6dB attenuator The coupling network is used to couple the disturbance signal to the lines of the equipment under test Th...

Страница 28: ... cables 2 The CDN s must be connected securely to the ground reference plane 3 The lines of the EUT must be separated by 30mm 1 2 inches from the ground reference plane whenever possible This also applies for lines not being tested 4 The EUT must be separated by 100mm 4 inches from the ground reference plane 5 The coaxial cables must be as short as possible It is recommended to use the cables prov...

Страница 29: ...p the measured DUT current is compared to Imax In case of higher value the output voltage is reduced until Imax is underbid Imax U0 150 as per EN61000 4 6 6 9 Test Level and Modulation Test Level as per ISO 11452 4 Suggested test severity levels and frequency bands Frequency Range 1MHz to 400MHz Level Value mA I 25mA II 50mA III 75mA IV 100mA V Specific value agreed between the users of this part ...

Страница 30: ...Quickstart setting 9kHz 9 999MHz step 1kHz 10MHz 99 99MHz step 9kHz 100MHz 1000MHz step 100kHz Modulation AM Frequency 1Hz 3000Hz Index 0 95 PM Frequency 1Hz 3000Hz Duty cycle 10 80 Attenuator Range 0 dB 63 5dB Step level 0 5dB Timing Dwell time general td 0 3s 9999 9s pulse modulation td 3s 9999 9s Rest time tr 0 0 3s 9999 9s Output Direct N type connector EUT control BNC input FAIL 1 Fail 1 test...

Страница 31: ...r 40 dB Directivity 25 dB typical Insertion loss approx 1 dB including relays VSWR 1 25 maximum RF Amplifier 100W built in Frequency range 9 kHz 400 MHz Output power nominal 20kHz 300MHz 50dBm Output power minimum 9kHz 400MHz 47dBm Gain approx 51dB Compression at nominal output power 1dB typical Harmonic distortion 20dBc at max power General data CWS500N2 Dimensions HxWxD 19 6HE 286 x 450 x 500 mm...

Страница 32: ...z 9 999MHz step 1kHz 10MHz 99 99MHz step 9kHz 100MHz 1000MHz step 100kHz Modulation AM Frequency 1Hz 3000Hz Index 0 95 PM Frequency 1Hz 3000Hz Duty cycle 10 80 Attenuator Range 0 dB 63 5dB Step level 0 5dB Timing Dwell time general td 0 3s 9999 9s pulse modulation td 3s 9999 9s Rest time tr 0 0 3s 9999 9s Output Direct N type connector EUT control BNC input FAIL 1 Fail 1 test will be stopped immed...

Страница 33: ...s approx 1 dB including relays VSWR 1 25 maximum RF Amplifier 150W Frequency range 9 kHz 400 MHz Output power nominal 20kHz 300MHz 52dBm Output power minimum 9kHz 400MHz 51dBm Gain approx 51 7dB Compression at nominal output power 1dB typical Harmonic distortion 20dBc at max power Input Maximum 0 dBm 1mW Input VSWR 2 1 typ General data CWS500N2 1 Dimensions HxWxD 19 12HE 600 x 550 x 800 mm Weight ...

Страница 34: ...0 N2 User manual V 3 00 34 38 8 Maintenance 8 1 General The generator is absolutely maintenance free by using solid state semiconductors The generator uses forced air cooling Take care to not cover the cooling slots ...

Страница 35: ...ws EM TEST make use of a solid state semiconductor switch technique to generate high voltage transients A precious advantage of this technique is the absolute lack of periodical maintenance effort In consequence thereof a useful calibration period has to be defined based on two criteria The first one is the customer s Quality Assurance Policy Any existent internal regulation has to be applied at h...

Страница 36: ...F130 probe types F 55 Clamp on monitor probe 10kHz 500MHz 32mm diameter ATT 6 75 Attenuator 6dB 75 W R 100 150 to 50 Ohm Adaptor R 100A 150 to 50 Ohm Adaptor with N type connector for current clamp calibration T 50 50 Ohm Termination Accessories for IEC 61000 4 6 test application KIT IEC 6 Cable and adapater kit consisting of 2 BNC cables 25cm each 1 BNC cable 50cm 2 adapters N BNC and 1 adapter B...

Страница 37: ...EM Test CWS500 N2 User manual V 3 00 37 38 10 Appendix 10 1 Blockdiagram Blockdiagram CWS 500 N2 Fig 10 1 Blockdiagram CWS 500 N2 1 Fig 10 2 ...

Страница 38: ...ed EN 61010 1 2006 Safety requirements for electrical equipment for measurement control and laboratory use EMC Directive 2004 108 EG Standard s to which conformity is declared EN 61326 1 2006 Electrical equipment for measurement control and laboratory use Class A EN 61000 3 2 2007 Limits for harmonic current emissions EN 61000 3 3 2005 Limitation of voltage changes voltage fluctuations and flicker...

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