EM TEST compact NX5 bp-1-300-16 Скачать руководство пользователя страница 133 | Manualshive

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EM TEST compact NX5 bp-1-300-16 Скачать руководство пользователя страница 133

EM TEST

Compact NX5

Operating Manual

V 1.06

133 / 143

14.3.1.1.

Trigger OUT

The trigger out signal is a programmable 5V edge signal located at the front side BNC Trigger plug. This
signal is for trigger other devices like oscilloscopes or other devices.

The generator offers the following trigger out
options:
- At

Start

- Each

Pause

- Each

Stop

- Each

Pulse

every surge impulse release

- Each

Step

for tests with iteration

Iterations

For Iteration tests the parameters changes after each step as shown in the figure below. Depends of the
order and setting the following parameters can change:

- Polarity
- Voltage

Example with voltage iteration that illustrate trigger out for cycle and step

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Содержание compact NX5 bp-1-300-16

Страница 1: ...for tests during development as well as for full compliant immunity tests and CE Marking for single phase DUT with the ability to be extended for testing three phase DUTs by means of an automatically controlled external coupling network up to 200A EM TEST supplies a large range of accessories for the various applications such as magnetic field tests and more EN IEC 61000 4 4 EN IEC 61000 4 5 EN IE...

Страница 2: ...the accuracy cannot be guaranteed Approved AMETEK content is contained with English language version The present manual shows suggestions of test setups according to the standards IEC 61000 4 x using equipment manufactured by EM TEST The suggestions do certainly not replace the standards Variations due to different interpretations of the standard are possible The circuits shown in the figures supp...

Страница 3: ...s 13 3 2 4 Grounding and power connection 14 3 2 5 Mains Switch and fuse 15 3 2 6 Connecting the compact NX5 system to the ground reference 15 3 3 Safety circuit Warning lamps 16 3 3 1 Safety circuit 17 3 3 2 Warning Lamp 17 3 4 EUT Power supply and power switch 18 3 4 1 Notes on protective devices which need to install the operator 18 3 5 System configuration 21 3 5 1 Power ON the compact NX5 gen...

Страница 4: ... In house verification 75 8 Delivery Groups 76 8 1 Basic equipment 76 8 2 Accessories and options 76 9 EFT Burst as per IEC 61000 4 4 78 9 1 Operation 78 9 1 1 Quick Start 79 9 1 2 Standard test routines 80 9 1 3 Extended Test 81 9 1 4 Max Burst impulses s 82 9 2 Burst Menu 83 9 2 1 Configuration 84 9 3 Burst generation 87 9 4 Test level with Burst as per IEC 61000 4 4 87 9 5 Coupling decoupling n...

Страница 5: ...Transformer type V4780 120 12 9 2 Variable Transformer variac NX1 260 16 122 13 Power frequency Magnetic Field as per IEC 61000 4 8 124 13 1 Magnetic field as per IEC 61000 4 8 125 14 Telecom Surge Immunity as per IEC 61000 4 5 128 14 1 Operation 128 14 1 1 Quick Start 129 14 1 2 Standard test Routine 129 14 1 3 Extended Test Routines 130 14 1 4 Generator Network for Telecom Surge 131 14 2 Telecom...

Страница 6: ... NX5 bspt 1 300 16 X X X X compact NX5 bs 1 300 16 X X compact NX5 bp 1 300 16 X X compact NX5 sp 1 300 16 X X compact NX5 st 1 300 16 X X compact NX5 b 1 300 16 X compact NX5 s 1 300 16 X 32 A models compact NX5 bspt 1 300 32 X X X X compact NX5 bsp 1 300 32 X X X compact NX5 bst 1 300 32 X X X compact NX5 bs 1 300 32 X X compact NX5 bp 1 300 32 X X compact NX5 sp 1 300 32 X X compact NX5 st 1 30...

Страница 7: ...manship within the applicable warranty period stated above then EM TEST may at its option repair or replace the product or issue a credit note for the defective product or provide the buyer with replacement parts for the product The buyer will at its expense return the defective product or parts thereof to EM TEST in accordance with the return procedure specified below EM TEST will at its expense ...

Страница 8: ...ces From December 2005 all EM TEST products either hand soldered or by machine are produced using lead free solder 1 4 2 WEEE directive 2012 19 EU The EM TEST compact NX5 serie generator is dedicated under category 9 in the directive 2012 19 EU WEEE The product should be recycled through a professional organization with appropriate experience for the disposal and recycling of electronic products E...

Страница 9: ...ult that could also affect other equipment and systems The equipment is designed to operate in industrial environment For operating in other or sensitive environment such as light industry airport area the user may use a shielded room for operate The user himself or herself is ultimately responsible for the correct and controlled operation of the rig In case of doubt the tests should be carried ou...

Страница 10: ...e equipment This symbol warns of a potential risk of shock hazard The symbol on an instrument shows that that it can source 1000 volt or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages This symbol indicates where a caution is required Refer to the operating instructions located in the manual in orde...

Страница 11: ... approved connectors and accessory items Ensure that a reliable return path for the interference current is provided between the EUT and the generator The ground reference plane and the ground connections to the instruments as described in the relevant test standards serve this purpose well The test system may only be opened by a qualified specialist upon specific instruction given by the manufact...

Страница 12: ...en delivered Item Name Remark Picture 1 Compaxt NX5 Compact NX5 generator including Single phase coupling network 300 V 16 A Including ordered Modules Burst Module Surge Module Power Fail Module Telecom Surge Module 2 Power Mains cable Power Mains cable Connectors country coded 3 ESC EUT Supply Cable Connectors country coded 4 ESA1 EUT Supply Adapter Connectors country coded 5 SCC AD Safety Circui...

Страница 13: ... NX generator to coupling NX Dimension 300 x 23 mm 25mm2 4 x Screws M4 x 10mm 3 2 3 Options Name Remark Picture PVF BKIT 1 Pulse Verification Fast Burst Kit 1 PVF 50 Pulse Verification Fast 50 Ohm PVF 1000 Pulse Verification Fast 1000 Ohm PVF AD 1 Pulse Verification Fast Adapter 1 Multi Contact MC to SHV fix PVF AD1 PVF 50 or PVF 1000 ICC PVKIT 1 Industrial Capacitive Coupling Clamp Pulse Verifica...

Страница 14: ...ferences to other areas EUT GND Ensure that a reliable return path for the interference current is provided between the EUT and the generator The GND wire from the generator to the reference GND and must be designed as a low inductance connection suitable for high frequencies The reference ground plane and the ground connections to the instruments as described in the relevant test standards serve ...

Страница 15: ... Replace the fuse holder 6 Plug the mains cable into a power outlet with a solid ground connection 7 Switch the system on and operate as instructed in this manual 3 2 6 Connecting the compact NX5 system to the ground reference Connection to reference ground Connection to reference ground For burst tests the generator must be placed on a ground reference plane which is connected to ground A low ind...

Страница 16: ...tage level 24 Vdc internal powered Warning Lamp Plug position SYS LINK OUT Last device from daisy chain Connector 2 screw contacts IN OUT Pin Sys Link 8 17 Operating Potential free contact open System is out of operation green closed System is operating red Voltage level 60 V max 2 A external powered IMPORTANT Important for operation Connect the delivered Safety Circuit adapter SCC AD to the SYSLI...

Страница 17: ...it open The device will switch off the high voltage and discharges the high voltage circuit 3 3 2 Warning Lamp The warning lamp offers a voltage free contact that indicates the status of the generator system Design Each device with warning lamp function can short thewarning lamp contact An external powered relays max 60 V 2 A controls the lamp The user is responsible for the warning lamp power sup...

Страница 18: ...circuit or other electrical anomaly like a surge impulse is present B Circuit breaker protection A circuit breaker is an electrical switch designed to protect an electrical circuit by overload or short circuit Its basic function is to detect a fault condition and interrupt current flow 3 4 1 1 Fault current protection The standards recommend decoupling and filter capacitors to PE for decoupling su...

Страница 19: ...the external fuse must be match the following rules fuse dimension must be equal or smaller than the rated EUT current of the connected test generator fuse must be designed for protect the connected EUT device under test in malfunction Example of external circuit breaker Circuit breakers in the building are designed for 32 A A circuit breaker box with 16 A protection is installed between the build...

Страница 20: ...t is important that phase and neutral are correct the LED indication shows the correct phase connection Phase indication 1 compact NX5 generator 2 EUT supply may be a direct supply from building or via a tapped or variac transformer 3 Phase indication LED illuminated 4 Phase indication LED inactive Remark The phase synchronization signal taken from the L path The table below shows all combinations...

Страница 21: ...rdered the complete NX5 System from EM TEST the System configuration was completed in the EM TEST factory in Switzerland 3 5 1 Power ON the compact NX5 generator Approx 3 4 seconds after power on the generator will drive the ventilator at full speed during few seconds Then the ventilator returns to a variable speed control concerning the temperature Booting After the welcome screen the software sc...

Страница 22: ... See separate chapter for adjust the variable transformer parameters External couplers External 3 phase coupling NX series devices are detected after power up the system automatically If you have no magnetic field coil or external 3 phase coupling network you can skip this paragraph Add an external coupler into the setup 1 Select ADD for open the add ext couplers window 2 Select CDN or COIL 3 Sele...

Страница 23: ...ompact NX5 operation The example guides the user for proceed a Burst test Start screen for Help after touch the Help symbol on the Home screen General Safety Instructions Front Connections Rear Connections Control Elements Home Screen Quick Start Pulse Settings wheel Pulse Settings numeric pad Pulse Settings information Test Run ...

Страница 24: ...elect MENU Setup 2 Select DEVICES MODULES 3 Make a click or long click to compact NX5 or press change The yellow field indicates the information for Serial number Software number This number is matched with the license code in the IEC control software 4 Click Not defined for enter a date for Last calibration date Next calibration date ...

Страница 25: ...ngs to the factory setting A previous Backup with Export Settings is strongly recommended C 3 6 3 Export actual settings D 3 6 4 Import settings F 3 6 5 Firmware update 3 6 1 Software Update new Version Software Update procedure 1 Select MENU INFORMATION Software Update procedure 2 Press Update Software Note The button Update SysOS is only displayed when a new SysOS is recognized A message appears...

Страница 26: ... will indicate that the device will reboot after 10 seconds System reboot 6 If you get the following message after rebooting a Click OK b Continue with step 7 to 12 for the Phenomenon Firmware update to complete c Then continue with the following steps Save the settings on an USB Stick Proceed the SysOP upgrade Import the saved settings from the USB stick 7 After switch on DO not switch OFF while ...

Страница 27: ... firmware versions and Available updates for install 10 The available firmware updates are installed automatically on the compact NX generator The update processing is indicated and may need several minutes to complete 11 After successfully update remove all USB memory sticks and Switch OFF ON the device 12 After switch on the final firmware update is installed and configured DO not switch OFF whi...

Страница 28: ...ngs All settings in SETUP GENERAL All settings in SETUP EQUIPMENTS All Link tests User tests Customized Standards Make sure that you have done the Chapter 3 6 3 Export actual settings Software Update procedure 1 Select MENU SETUP Software Update procedure 2 Remove all USB Sticks from the System and Click on UPDATE SYSOS 3 Insert the USB Stick containing the update files in the compact NX5 front or...

Страница 29: ...EMOVE the USB Stick from the device and Switch OFF the compact NX wait 5 seconds and switch it ON again 7 A few seconds after restarting the device you should see the following screen Please wait until update process completed This may take a few minutes 8 Once update has completed and the following screen appears remove all USB Sticks Switch OFF the compact NX wait 5 seconds and switch it ON agai...

Страница 30: ...e settings on an external USB Stick It is strongly recommended to export the settings before doing a SysOS update Export settings procedure 1 Select MENU SETUP 2 Press System 3 Insert USB Stick to the front USB slot After few seconds the Backup settings button will automatically be enabled 4 Click on Backup Settings ...

Страница 31: ...folder where you want save the backup setting files 6 A message indicates the backup writing to the USB stick A message on the bottom of the screen confirms that the backup has completed Filename is syssettings bkp Remove the USB Stick from the generator compact NX ...

Страница 32: ...estores all device settings from an external USB Stick It will reinstall all device settings after a SysOS update 1 Select MENU SETUP 2 Press Update Software 3 Insert USB Stick to the front USB slot After few seconds the Backup settings button will automatically be enabled 4 Click on Import Settings ...

Страница 33: ...ting Manual V 1 06 33 143 5 Press Front 6 Select the backup file syssettings bkp and click SELECT 7 Remove all USB Sticks and Restart the compact NX the initialization process will start normally and take you to the Home Screen ...

Страница 34: ...the root A message for search the memory stick appears until the memory stick is recognized Firmware filename upt 3 Make click a long click to compact NX5 or press change 4 Press Update Firmware The program search the firmware update on the memory stick The device shows the actual and recognized new firmware version If no USB stick is detected Insert a USB stick containing valid update package ...

Страница 35: ...t the update procedure The update process is shown on the screen and needs several minutes Press CANCEL to exit Exclude Downgrades will not install older versions when detected on the USB stick 6 After display Update successfully done remove all USB Sticks switch off on the device After the rebooting the device starts with the new firmware ...

Страница 36: ... hold to zero to nearest range 4 Test On By pressing the key Test On follows the functions Activate the high voltage power unit HV is ready to start Switches ON the supply to the EUT test supply only with built in Power Fail module 5 CRO I surge At the BNC output the current pulse surge of the generator can be measured galvanic separated Impedance measuring instrument 1MΩ Max output voltage 10V 10...

Страница 37: ...put the generator trigger can be checked e g the burst duration the burst repetition rate and the spike frequency 5 V rectangular This output can be generally used as oscilloscope trigger output and is synchronous to the following events Burst and surge release Voltage dip or interruption start of the event 12 START PAUSE button Green indication Start or continues a test Orange indication Pause of...

Страница 38: ...supply 3 HV and COM output The direct HV and COM outputs are floating output plugs for surge impulses Attention The direct HV and COM output of the surge generator is located at the rear panel of the generator It is not allowed to connect these outputs to any other coupling decoupling network than manufactured by EM TEST Before to connect any external networks to this output the operator must cont...

Страница 39: ...ment 1M Accuracy 5 Monitor V Voltage output 10 V 300 V rms 450 V peak Internal divider 42 5 1 Monitor I Current output 10 V 16 A rms Internal divider 2 26 A V Max 16 A rms max 25 A dc 8 Fail input EUT 1 EUT 2 Programmable input monitors for fail events Possible input settings Notify Stop Break or Disabeled Input signal 5 V pos slope Max Input voltage 24 V 9 External trigger One single event burst ...

Страница 40: ...terface Ethernet interface for remote control from an external computer 14 Opto Link interface Ethernet interface for remote control from an external computer 15 Sys Link output Sys link is the internal control bus to the connected compact NX devices The sys link is a daisy chain wired bus for connect the devices in series The bus includes a 26 pole high density connectors This port is terminated ...

Страница 41: ...nfiguration EUT Configuration of EUT and EUT supply Setup General setup compact NX5 and configuration of auxiliary test equipment Modules List of all available pulse modules Information Device name Software and firmware version address of representatives Test phenomena Touch into the colored field for select and load a test The icon shows the kind of test phenomena Burst impulse test 5 50 ns as pe...

Страница 42: ...st Reports 15 3 Report Export Report Menu for export Report and Log files Report as rpt Report as pdf Report as rtf Report aRun Information as log EUT 4 3 5 EUT Setup EUT and Supply configuration EUT Configuration and Setup for the test The generator uses the settings and offers exact the needed information for the EUT All needless information will not be displayed Setup 4 3 6 Setup Setup General ...

Страница 43: ...ary is marked with gray color and includes actually no test e g EASY LINK Quick Start Manual operating with online changing of parameters Standards Library with Basic and Generic Standards The Standards are separated in Power AC Power DC and Signal lines Each Basic Standard includes all existing levels Extended Tests Test procedures with useful sequences like voltage iteration User Tests User conf...

Страница 44: ...digit press again for the next digit This will rotate the digits cyclic 1 10 100 1000 1 10 A small value indicates the selected digit that will be controlled by the wheel Long press wheel All digits right will be replaced by a zero Example 3 Parameter modification with the touch A numeric display with the parameter description and his limits appears at the screen Parameter Enter the new value of t...

Страница 45: ...reen for each phenomenon separated in two different screens The figure below illustrates the state machine during the testing SET screen Screen for setting all test parameters yellow circle TEST screen Screen during a test is running After the START the user can PAUSE and START Resume or STOP the test grey circle Testing Test is running Break Test is paused and can be continued with start Resume T...

Страница 46: ...the Back or button after a stop or when the test is finished It is possible to return into the Run window with the button al long as no parameter has changed in the Test Window In the Run window the user can view the run information and save the report or run Information Run window The run window shows the following information Set parameters Parameter color white changeable blue fix parameters Ru...

Страница 47: ...ST Compact NX5 Operating Manual V 1 06 47 143 Block diagram for a test Test window Yellow background Run Window Grey background State machine for the generator screen during a test sequence Test window Menu ...

Страница 48: ...s rpt file Save Run Information Saves the run information internal to the device as log file The file can be export in the main menu Configuration Trigger and Monitor configuration Peak Limitter Setting of Peak current Limitter 4 3 4 2 Run Window at test end After running a test the VIEW RUN INFORMATION shows all run information during the test The list shows The actual date and time of the event ...

Страница 49: ...it and their settings Advantages are Select only set the possible couplings and hides all unnecessary settings for the user Filters the standard tests adapted to the EUT like AC 50Hz AC 60 Hz DC Set the motor variac to the settled nominal voltage Select EUT setting menu Figure below shows how enter into the EUT setting menu EUT Setup The generator uses the settings and offers exact the needed info...

Страница 50: ...with PE L1 L2 L3 Delta np PE L1 L2 PE Interphase Lx Lx other combination Supply DC Coupling Power Lines Plus Minus PE with PE Plus Minus no PE 4 3 5 2 EUT Setup SUPPLY SUPPLY Defines the default supply path to the EUT and the nominal voltage For DC application the user needs two DC sources for PF1 and PF2 voltage each Path PF1 Mains voltage from the power grid PF2 Voltage from the variac or tapped...

Страница 51: ... the box for activate and set the limit Current limit will trip if the current is above the settled limit and will break stop the test Voltage limit will trip if the rms voltage is above the settled limit and will break stop the test Enabled white Disabled grey Current Range 0 to 50 A no function Voltage Range 0 to 300 V no function Internal hardware current limiter The built in internal hardware ...

Страница 52: ... is also measured by the rms meter and is to respect for the EUT reading Additional ac current during surge coupling Current in the coupling path measured by the EUT current meter Current IGRMS through the coupling pat at 50 Hz Unom 50 Hz Coupling L N Coupling L PE 100 V 0 57 A 0 28 A 115 V 0 65 A 0 32 A 230 V 1 30 A 0 65 A Current IGRMS through the coupling pat at 60 Hz Unom 60 Hz Coupling L N Co...

Страница 53: ...8 µF enable Report Report settings implemented from V 3 0 0 and higher Remote IP address subnet mask gateway MAC address Equipment s Devices and Modules List of all available Devices and Modules like Burst Surge Telecom Surge Power Fail Magnetic Field Ringwave External Couplers 3 phase coupling networks Magnetic field antennas Transformers Variac transformers tapped transformers H field ac transfo...

Страница 54: ...e L to N 3 phases Phase L1 to N External Sync input rear Low High max 690 V Sync signal timeout Waiting time to sync timeout Disable Default setting no timeout Enable activate and set time s External trigger timeout Waiting time to external trigger timeout Disable Default setting no timeout Enable activate and set time s Power Frequency detection Disable No filter for Power Fail standard Enable St...

Страница 55: ...le selected sound is playing Test running signal Disable no sound Enable selected sound is playing during the test Sound selection For the running and test finished signal are 10 different sound signals available The user can individual selects one of these signals or load his own MP3 sound into the library Max file size 10 MB Delete a sound Delete the file with long click and follow the procedure...

Страница 56: ... without 18 µF capacitors Other application where 18 µF is required pulsed H field surge verification at this output Disable Generator impedance is 2 Ω Application External CDN with built in 18 µF capacitors Verification of the HV COM output Surge Iteration orders Parameter Iteration orders for surge test Default Phase Angle Polarity Coupling Voltage 1 Select any parameter for change 2 Change orde...

Страница 57: ... Company Name Tester Name of the tester Run Information Shows the run information in the report Additional actions like settings Peak measurements etc Report Message The user can predefine messages that are displayed and selectable during a pause Report Break Messages Example for the message box during a pause with four preselected messages The selected message will be added to the report Report F...

Страница 58: ...mote Use DHCP Default setting for automatic address detection and setting is disabled Individual setting for IP Address Subnet Mask Standard Gateway MAC Address Device MAC address 4 3 6 9 Setup Equipment Devices Modules The Device Modules screen shows all recognized modules in the present system System equipment s are displayed with his internal modules A longpress to compact NX5 will show the ser...

Страница 59: ...l transformer Variable Motorized variac transformer Tapped Tapped transformer H Field Magnetic field current transformer Default transformer Library Variable Transformer variac NX1 260 16 variac NX1 260 32 Tapped Transformer V 4780 V 4780 S2 V 4780 S3 H Field Transformer MC 26100 MC 2630 30 A range MC 2630 3 A range ...

Страница 60: ... test Save or load any test 4 3 8 Manager Manager The user configures in this menu the library Manager of all existed test files Rename of tests Standards User Mark as visible or hide Standards User Remove test from the library User Import and Export of test All change to User test 4 3 9 Devices Modules Devices Modules Module screen shows all recognized modules in the present system System equipme...

Страница 61: ...n the system This happens in the menu Devices and Modules Internal Pulse output at the compact NX5 CDN 1 phase External Pulse output at the coupling NX5 CDN 1 phase 3 phase Software Update procedure 1 Select MENU 2 Select DEVICES MODULES 3 Make a long click to compact NX5 4 Select the coupling device for testing INTERNAL using CDN from compact NX5 generator EXTERNAL using CDN from coupling NX5 ...

Страница 62: ...n Device Version Firmware Software Representative address EM TEST AMETEK CTS offices when touch the national flags CH Germany USA Poland France Italy Austria China Japan Software update menu see chapter software update 3 6 Software Update Press Update Software button for return when detecting update ...

Страница 63: ...rating Manual V 1 06 63 143 4 4 Service The addresses of the EM TEST Switzerland GmbH and the EM TEST locations are shown The addresses of all EM TEST sales agencies are listed on the web site of EM Test under www emtest com ...

Страница 64: ...p for adjust the external voltage variac to the compact NX5 The voltage setting is a regulating procedure where one winding of the motor variac is approx 1 9 V Additionally the control needs some mechanical tolerance for stop the step motor Therefore the selected voltage is normally in a tolerance of 4 V The motor variac control has an internal dead zone where the voltage will not be adjusted The ...

Страница 65: ...he adjustment procedure has the following structure 2 Press ADJUSTMENT for start the adjustment procedure Initialize the adjustment wizard For prepare Press TEST ON if not activated Connect variable transformer at the rear side to the generator to plug PF1 PF2 N PE Connect a multimeter to the front side connectors Test supply output L and N 3 Press Next to continue or Cancel for exit Detect the ma...

Страница 66: ...nal voltage Vnom 0 V Output 0 10 V voltage 0 V to 0 3 V 13 Read the value at the voltmeter and check if the value is below 8 V 14 If needed correct the Maximum voltage decrease the value for higher voltage increase the value for lower output NOTE The correction at this level will change the voltage only marginal Note that one transformator winding is approx 1 9 V 15 Press NEXT to continue Check at...

Страница 67: ...tion ref dc voltage 80 8 00 V 0 35V 70 7 00 V 0 35V 40 4 00 V 0 35V Example for automatic tapped transformer V 4780 S2 1 Make a click Long click into the device or press CHANGE button for change into the software setup This will rotate the screen and opens the configuration parameter of the device Adjustment procedure The 100 value of the tapped transformer must correspond to the actual nominal vo...

Страница 68: ...ard touch panel 4 Power supply 5 Mains filter High voltage unit 6 High voltage power supply 7 Energy storage capacitor Pulse forming 8 Measuring Unit 9 Surge pulse forming unit 10 Surge coupling capacitor 11 Surge pulse measuring transformer 12 Burst pulse forming unit 13 Power Fail switch PF2 14 Power Fail switch PF1 15 decoupling inductors 1 5 mH 15 Measuring unit 16 Coupling relays surge 17 Pea...

Страница 69: ...167 min Output Direct via 50 coaxial connector To connect ext coupling devices Coupling network To L N PE all combinations EUT power mains supply AC 300 V 16 A 50 60 Hz DC 300 V 160 A Test routines Quick Start Immediate start all parameters adjustable during a running test Standard test as per IEC 61000 4 4 level 1 4 to power lines separated to AC DC IEC 61000 4 4 level 1 4 to signal lines EN 6100...

Страница 70: ... is connected to the Sync input Resolution 1 1 Measurements CRO 5 V Trigger CRO Û 10 Vp at 5 kV CRO Î 10 Vp at 2 5 kA Accuracy CRO V CRO I 10 CRO Û I Z measuring instrument 1 MΩ Peak voltmeter 5000 V Peak current meter 2500 A Display 1 Digit 20 A Current limiter setting 10 A 3000 A step 10 A Output no 9 F 18 F Direct HV COM HV Banana connector Zi 2 x x Coupling network L N with Z 2 x L PE N PE L N...

Страница 71: ...isplay 1 Digit 20 A Current limiter setting 10 A 3000 A step 10 A Output no 9 F 18 F Direct HV COM HV Banana connector Zi 2 x x Coupling network L N with Z 2 x L PE N PE L N PE with Z 12 x DUT supply AC 300 V 16 A 50 60 Hz DC 300 V 16 A Test Routines Quick Start Immediate start all parameters adjustable during a running test Standard test routines IEC 61000 4 5 one level Selectable level 1 to 4 se...

Страница 72: ...tput 0 10 Vdc for external voltage source Test routines Quick Start Immediate start all parameters adjustable during a running test Standard test routines as per IEC 61000 4 11 ac power ports as per IEC 61000 4 29 dc power ports as per IEC 61000 6 1 Generic as per IEC 61000 6 2 Generic Manual operated standard test routine User test routines Voltage variation external variac control Change phase a...

Страница 73: ...e contact max 60 V 2 A Design As per IEC 1010 EN 61010 Interfaces Serial interface 1 x USB A front side for memory stick 1 x USB A rear side 1 x USB B 1x opto link LAN Ethernet SYS link IN OUT 26 pin high density Sub D to control external devices Analog output 0 10V DC to control an external power supply EUT1 EUT 2 input Digital input 15 V to 0 V negative slope to zero Trigger level 2 V 1 V Input ...

Страница 74: ...using including the touch panel If necessary add a small amount of a mild non foaming household cleanser No chemicals acid etc should be used for cleaning purposes Before beginning to clean the test system ensure that it is switched off and the mains power cable is unplugged from the supply 7 3 Test set up When setting up the test national and international regulations regarding human safety have ...

Страница 75: ...s follows 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 appli...

Страница 76: ...oltages than 4000V a sparkover at the power mains socket may occur Customers shall be aware of this matter and shall not use higher voltages than labeled on the adapter For testing higher voltage it is necessary to use high voltage cables with sufficient isolation and safety banana connectors connected direct to the generator output plugs L N PE Burst PVF BKIT 1 Calibration kit for Burst verificat...

Страница 77: ...NX5 bs 3 480 16 external coupling decoupling network EUT mains supply 480 V rms max Nominal current In 16 A 32A 63A 100 A rms Frequency 50 60 Hz Coupling to all lines N PE 50 Burst output The coupling will be controlled by the compact NX5 Output for Surge coupling to other coupling networks as CNV models User software iec control Test analysis and documentation with Windows License version for tes...

Страница 78: ...rrect voltage level 9 1 Operation Main Menu Burst The Burst menu offers different test routines for burst testing Quick Start Easy and fast online operation with the phenomenon Burst In this menu the user can operate all burst test manually with online change the most parameters during a test Standard The operator can select between various preprogrammed test routines as required in different stan...

Страница 79: ...ns of the equipment The latest simulator settings are stored automatically and will be recalled when Quick Start is next selected Quick Start Menu Devices compact NX5 Quick Start Menu Devices compact NX5 and coupling NX5 Burst specification as per IEC 61000 4 4 Ed3 2012 f 5kHz td 15ms tr 300ms f 100kHz td 0 75ms tr 300ms ...

Страница 80: ...e changed online during testing at the 1 phase and coaxial 50 Ω output of the compact NX5 generator This procedure therefore is very easy and fast to use The user can easy select the following parameters Level voltage Select Level 1 500 V Level 2 100 V Level 3 2000 V Level 4 4000 V Coupling Cpl Common L N PE All All combinations L N PE 50 Ohm coaxial output Rep frequency 5 kHz td 15 ms 100 kHz td ...

Страница 81: ...r frequency burst duration td and voltage are in dependence of each other and therefore limited by the generator performance The practical limits of the UCS500N7 are 20kHz for f2 and 50ms for the burst duration td The limits of the generator model compact NX5 N5 are approx 10 times higher Frequency sweep with a constant duration after T by f The spike frequency is increased from f1 to f2 by steps ...

Страница 82: ...e switch is a highly reproducible semiconductor switch Spike frequencies up to 1000 kHz are by a factor of 10 higher than recommended in the actual EFT standards This means of course that also the pulse energy would be 10 times higher This is not generally possible for the high voltage switch Therefore the following limitation protects the pulse forming circuit against overload Burst impulses s Vo...

Страница 83: ... The last used test in this routine will be loaded Quick Start Standards Extended Tests User Tests Easy Test 3 Add the actual test to Easy Link library 4 Trigger and Monitor setting for Burst test Each phenomenon has an individual configuration 5 Add the actual test to User Test library 6 Load the default parameters for the Quick Start test factory setting ...

Страница 84: ...T The trigger out signal is a programmable 5V edge signal located at the front side BNC Trigger plug This signal is for trigger other devices like oscilloscopes or other devices The generator offers the following trigger out options At Start Each Pause Break Each Stop Each Cycle every burst packet release Iterations For Iteration tests the parameters changes after each step as shown in the figure ...

Страница 85: ... function External trigger timeout select from the Home screen Menu Setup General Process sync Start Trigger flowchart 9 2 1 3 EUT Monitor The EUT monitor 1 and EUT Monitor 2 input is used for control the compaxt NX device according the EUT behavior Each input is programmable to have different events as Disabled No function Notify Makes a mark in the NX software The report will make a time stamp a...

Страница 86: ... EUT Monitor input signal EUT Monitor Input BNC plug on rear side of the compact NX generator Status of BNC input of EUT monitor 1 2 Input signal Open collector signal 15 V to 0 V negative slope Triger level 2 V 1 V Input impedance 10 kΩ Max Input 15 V ...

Страница 87: ...Voltage V Max pulses s continuous burst 1 300V 13 000 2 000 V 3 000 V 4 000 V 5 000 V 5 500 V 5680 2525 1420 900 750 9 4 Test level with Burst as per IEC 61000 4 4 Burst generators which the specifications in accordance with IEC 61000 4 4 are limited at the maximum output voltage The efficiency of the burst pulses decreases with the numbers of couplings Therefore the maximum test level is limited ...

Страница 88: ...th sides of the coupling clamp Coupling method Test duration At least 2 minutes in positive and negative polarity The test duration must be at least as long for examine all functions of the EUT Coupling IEC 61000 4 4 edition 2 2004 and later versions requires to couple all lines simultaneously in Common Mode coupling This means that a burst test needs two tests with 60s positive and negative 60s e...

Страница 89: ...nts are also recommended for all connected cables The EUT should only be grounded if this is recommended by the installation guideline For safety reasons the test without any ground connection should be conducted as well at 100MHz 1 m ground cable lenght has an impedance of about 600 Ω Whenever possible the test set up and the cabling should always be the same e g for testing power lines it would ...

Страница 90: ...ept the ground reference plane beneath the coupling clamp and beneath the EUT shall be at least 0 5 m The distance between any coupling devices and the EUT shall be 0 5 0 0 1 m for tabletop equipment testing and 1 0 0 1 m for floor standing equipment unless otherwise specified in product standards When it is not physically possible to apply the distances mentioned above other distances can be used...

Страница 91: ...different test routines for surge testing Quick Start Easy and fast online operation with the phenomenon Surge In this menu the user can operate all surge test manually with online change the most parameters during a test Standard The operator can select between various preprogrammed test routines as required in different standards The standard library is filtered according the EUT setting AC DC e...

Страница 92: ...racteristic of the rulers that is given in the application of the standard The standard name has the character Standard Family Standard number year Application where Standard Family IEC International Electrotechnical Commission EN European Committee for Standardization CEN Standard Number Indicates the official standard number defined in the standard Year Year of standard publication The year indi...

Страница 93: ...settings EN 61000 6 1 each setting with 5 pulses Setting Voltage Coupling Polarity Phase angle Setting Voltage Coupling Polarity Phase angle 1 2 3 4 500 L N pos 0 90 180 270 33 34 35 36 1000 L PE pos 0 90 180 270 5 6 7 8 neg 0 90 180 270 37 38 39 40 neg 0 90 180 270 9 10 11 12 L PE pos 0 90 180 270 41 42 43 44 N PE pos 0 90 180 270 13 14 15 16 neg 0 90 180 270 45 46 47 48 neg 0 90 180 270 17 18 19...

Страница 94: ...e test level is changed by V until V2 is reached The same parameters as under Quick Start are selectable For the limitation of the max admissible repetition rate the higher value of V1 and V2 is valid Angle Iteration Stepwise after n pulses by A The phase angle related to which the surge pulse is released is changed from A1 to A2 After the preselected number of n pulses the actual phase angle is c...

Страница 95: ... under Quick Start can be selected ANSI B coupling after n pulses The coupling mode with 2Ω und 18µF will automatically be changed after the preselected number of pulses has been released All possible coupling modes will be selected The same parameters as under Quick Start can be selected For coupling ANSI B coupling L N is actually not supported with NX system Surge Generator and coupling impedan...

Страница 96: ...ed test in this routine will be loaded Quick Start Standards Extended Tests User Tests Easy Test 3 Add the actual test to Easy Link library 4 Trigger and Monitor setting for Surge test Each phenomenon has an individual configuration 5 Current limiter setting 6 Add the actual test to User Test library 7 Load the default parameters for the Quick Start test factory setting ...

Страница 97: ...er OUT The trigger out signal is a programmable 5V edge signal located at the front side BNC Trigger plug This signal is for trigger other devices like oscilloscopes or other devices The generator offers the following trigger out options At Start Each Pause Each Stop Each Pulse every surge impulse release Each Step for tests with iteration Iterations For Iteration tests the parameters changes afte...

Страница 98: ...as trigger out Each step same as trigger out If the start trigger is not set to Automatic the trigger indicates with Waiting for trigger the recommended trigger signal The waiting time for a trigger signal is endless if no trigger timeout is enabled External trigger timeout This function stops the test after the defined timeout time and indicates the message Error trigger unit timeout For enable t...

Страница 99: ...the test Break EUT monitor 1 Break the test and go to pause status For continue the user must press the START PAUSE button or continue in iec control software NOTE The EUT monitor input 1 must go to open status before press continue Break hold EUT monitor 2 Keep in pause status as long the EUT monitor 2 input is grounding After release the break the test will continue automatically EUT Monitor inp...

Страница 100: ...GE Menu Current Limiter Set peak current limiters I_D Current limiter Differential mode line to line The generator impedance is 2 I_C Current limiter Common mode line to ground The generator impedance is 12 REMARK The current limits in Software and Manual operation are two individual settings Software uses the software settings for I_D and I_C Manual operating uses the device settings for I_D and ...

Страница 101: ...itor at the HV COM output Application with 18 µF capacitor Pulsed magnetic field application to a single turn antenna as per IEC 61000 4 9 Generator pulse verification at the NX5 HV COM output Pulse verification at the coupler HV COM output Application to any external CDN not from EM TEST manufactured Application without 18 µF capacitor Using a coupling decoupling network from EM TEST REMARK All C...

Страница 102: ...side of the compact NX generator The tables below shows the correction angels considering the phase in a 3 phase system with synchronization signal from L1 N lines The generator firmware will automatically add the correction angle to the settled value Phase Synchronization correction for L1 N as sync signal Sync Source Correction angel added by the compact NX5 firmware Coupling L1 N L1 N L2 N L3 N...

Страница 103: ...tion The decoupling part of the coupling decoupling network includes some capacitors for filtering of 20 F related tp protective Earth chassis of the generator This is to be conform to the requirement of IEC 61000 4 5 concerning attenuation of the surge transients in direction to the power mains supply input of the CDN As consequence there will exist an increased current to PE protective earth whi...

Страница 104: ...plications a special coupling network is required Danger Using coupling networks CNV series Switch OFF the high voltage during manual change of the coupling 10 7 Test set up According to the specifications of IEC 61000 4 5 the surge generator has a source impedance of 12 Ω when the simulator is coupled between the lines and protective earth This will activate fault current detectors or protectors ...

Страница 105: ...network is designed for mains frequency 50 Hz 60 Hz When L N coupling is selected an additional current of approx 1 5 A flows caused by the 18 F coupling capacitor and the pulse forming network A similar current appears during the couplings to PE Tests with 400 Hz mains frequency destroy the coupling network An external coupling network is recommended with inductors and capacitors matched to the 4...

Страница 106: ...andard The operator can select between various preprogrammed test routines as required in different standards The standard library is filtered according the EUT setting AC DC etc Extended Tests The operator can select between various preprogrammed test routines which helps to accelerate testing and which are very helpful especially during design User test routines The user defined library where al...

Страница 107: ...enna correction factor shall be included The operator can enter this factor within the setup menu under the service routine Setup pulsed magnetic Test field Warning Disconnect all power cables on the rear side at the Test supply plugs PF1 PF2 and N Don t touch the antenna during the test ...

Страница 108: ...p for DIPS and Interruption tests Voltage DIPS For voltage DIPS a connection must be made from the compact NX PF2 input to the motorvariac PF2 or V4780 where the reduced voltage is present Interruption tests For Interrupts connect the compact NX PF2 input to the neutral as follows Motorvariac PF2 output default setting set motorvariac to zero volt V 4780 Connect the cable to the N output at the V ...

Страница 109: ...r PF1 mode The generator is connected as follow PF1 Mains voltage from the grid PF2 Switch is open during the test The generator switch will PF1 for interrupt the supply voltage to the EUT Setup for PF2 mode The generator is connected as follow PF1 Switch is open during the test PF2 EUT supply voltage from the variable XFMR during the test The variable XFMR starts at the default voltage and reduce...

Страница 110: ...een various preprogrammed test routines as required in different standards The operator can select the standard routine for 50 60Hz depend of the measured frequency testing as per IEC 61000 4 11 Extended test The operator can select between various preprogrammed test routines which helps to accelerate testing and which are very helpful especially during design User test routines The user defined l...

Страница 111: ...rameter to change can be selected by pressing a function key The corresponding range will then be displayed 12 2 1 1 Voltage DIPS For testing voltage DIPS select Mode U During the test the internal switch toggle the supply voltage between PF1 and PF2 Vdip Dip voltage Vnom or V td Duration of the dip tr Repetition time between two dips ms s Sync Synchronization with phase angle A º n Number of even...

Страница 112: ... NX1 260 16 is used controlled by an analogue 0 10V control voltage the test is conducted automatically If this option is not available the manual test routine shall be used Using a tapped transformer V 4780 the user must connect the PF2 UCS input with the correct plug at the V4780 At 0 selection the PF2 input must be connected to the neutral 0V plug Short interruptions ...

Страница 113: ...e selected Reduced Time Iteration Stepwise After n events the duration of a single event will change from td1 to td2 by steps of td until td2 is reached The same parameters as under Quick Start can be selected Angle Inverse mode The inverse mode can simulate a phase control circuit switching power voltage on off at a certain phase angle The phase angle is selectable in the range of 0 180 The volta...

Страница 114: ...riation Voltage variation as per IEC 61000 4 11 2004 An external power source or motor driven variac is controlled by a 0 10V control signal The operator can select the time per voltage level the ramp up and ramp down of the voltage change and the voltage levels itself ...

Страница 115: ...utines The last used test in this routine will be loaded Quick Start Standards Extended Tests User Tests Easy Test 3 Add the actual test to Easy Link library 4 Trigger and Monitor setting for Power Fail tests Each phenomenon has an individual configuration 5 Add the actual test to User Test library 6 Load the default parameters for the Quick Start test factory setting ...

Страница 116: ... order to accelerate the test procedure the voltage interference may be generated repetitively In the operating mode AUTO the events are released at a preselected interval time Power switches The power unit of the simulator consists of two electronic power switches S1 and S2 The two separated input channels PF1 and PF2 are connected to each other at the front panel of the simulator via S1 and S2 I...

Страница 117: ... voltage generated by connecting or disconnecting additional loads will be limited internally by varistors in parallel to the electronic switch Occurs an overcurrent during a test The PF switches will switch off immediately and the display shows Overcurrent REMOVE SHORT CIRCUIT at the generator This error message appears after a short circuit at the EUT output plugs This current can be up to 700A ...

Страница 118: ...e mains power supply or from a separate voltage source Mostly used for this tests are motor driven variacs Power fail tests are normally carried out at a nominal voltage and at maximum tolerance under voltage The nominal voltage may be connected to PF1 and the reduced dip voltage to PF2 The power fail test may be carried out in various operating modes High impedance interruptions With U mode the E...

Страница 119: ... Fail A complete user software to drive ramps and functions is also available 12 8 DC Power networks Basically there is no difference in the operation of the equipment between AC and DC power supplies The only point the user should take care of are the grounding conditions The voltmeter the MONITOR output and the LED are related to protective earth or to the simulator s chassis respectively Theref...

Страница 120: ...evices compact NX5 Nx 12 9 1 2 Device models V 4780 V4780 250 V 16 A manual control V4780 S1 250 V 16 A manual control additional tap at 120 V4780 S2 250 V 16 A automatic control V4780 S3 250 V 32 A manual control 12 9 1 3 Control V4780 S2 The V4780 S2 is controlled through the analogue input 0 10Vdc The control circuit switches to the related tap 40 70 or 80 proportional to the applied dc referen...

Страница 121: ...40 V 4780 S1 S2 V 4780 S3 Current Imax 16 A 32 A Power 4 1 kVA 8 2 kVA Fuse 2x 16 A 2x 35 A Weights and measures Dimensions 95 x 170 x 190 mm H x B x T 200 x 170 x 190 mm H x B x T Weights ca 7 kg ca 14 kg Temp Ambiance 10 C 35 C 10 C 35 C 12 9 1 5 Setup V4780 The output voltages are available at safety banana plugs For safety reasons the related safety cables shall be used The power supply input ...

Страница 122: ... For connection safety labor cables shall be used 12 9 2 2 Voltage variation Additionally it is possible to drive certain functions of variation which also are required in IEC 61000 4 11 These functions can easily be programmed within the simulators itself or within the related windows software ISMIEC V2 Test level U1 40 0 tf Time for decreasing voltage sec 2 20 t1 Time at retained voltage sec 1 2...

Страница 123: ...ble Vout 0 260 V for channel PF2 Voltage fix Vout Vin for channel PF1 Current max 16 A Power 0 4 1 kVA Control Main switch On Off for the output voltages Control voltage analogue 0 10V DC for 0 260V output voltage Time 0 100 2s Dimensions and weight Dimensions 19 6HE 266x485x400mm H x W x D Weight app 27 kg Power supply 115 230 V Fuse 20 A PF1 16 A PF2 Environment Tmax 40 C ...

Страница 124: ...n the menu Menu SETUP Equipment 1 Variable transformer variac NX1 260 16 variac NX1 260 32 2 Magnetic current transformer MC 26100 H field 75 to 1100 A m MC 2630 1 A range H field 1 to 9 A m MC 2630 30 A range H Field 9 to 75 A m Note The MC 2630 has two ranges and therefore the NX generator list this current transformer in the configuration for 1 A and 30 A range Set the range switch of the MC 26...

Страница 125: ...e the most parameters during a test Standard The operator can select between various preprogrammed test routines as required in different standards Extended Tests The operator can select between various preprogrammed test routines which helps to accelerate testing and which are very helpful especially during design User test routines The user defined library where all created magnetic field tests ...

Страница 126: ... to control the current manually Please take care that the variac has a sufficient current capability For more detailed information the operator can require an additional manual especially for magnetic field testing This manual is part of the delivery of magnetic field testing accessories Test setup with MC 2630 for H Fields up to 30A m Schematics Test setup Schematics and Test setup with compact ...

Страница 127: ...Test setup Schematics and Test setup with compact NX5 variac NX1 260 16 MC 26100 and MS 100N Option for required magnetic field tests as per IEC 61000 4 8 External variable motor transformer variac NX1 260 16 External Magnetic field antenna MS 100N External current transformer MC 26100 to test 100 to 1000A m levels ...

Страница 128: ...nu offers different test routines for surge testing Quick Start Easy and fast online operation with the phenomenon Telecom Surge In this menu the user can operate all surge test manually with online change the most parameters during a test Standard The operator can select between various preprogrammed test routines as required in different standards The standard library includes IEC ITU and ETSI s...

Страница 129: ...f the rulers that is given in the application of the standard The standard name has the character Standard Family Standard number year Application where Standard Family IEC International Electrotechnical Commission ITU International Telecommunication Union ETS European Telecommunication Standard Standard Number Indicates the official standard number defined in the standard Year Year of standard pu...

Страница 130: ...ons The extended menu offers various useful tests for testing and development Extended Test Change test level V after n pulses by V The test voltage V is changed from V1 to V2 in steps of V After the preselected number pulses the test changes the polarity Then the next level is changed by V until V2 is reached The repetition time tr will be increased automatically if the setting time is too short ...

Страница 131: ...g Manual V 1 06 131 143 14 1 4 Generator Network for Telecom Surge The figure below shows the elements and schematic of the Telecom Surge pulse circuit T1 to T4 Ports for direct application HV COM Port to external coupling network ...

Страница 132: ... Monitor setting for Surge test Each phenomenon has an individual configuration 5 Add the actual test to User Test library 6 Load the default parameters for the Quick Start test factory setting 14 3 Telecom Surge pulse settings 14 3 1 Configuration In the configuration menu the user set the following parameters Trigger out signal at the BNC plug on generator front side Start trigger for the impuls...

Страница 133: ... other devices The generator offers the following trigger out options At Start Each Pause Each Stop Each Pulse every surge impulse release Each Step for tests with iteration Iterations For Iteration tests the parameters changes after each step as shown in the figure below Depends of the order and setting the following parameters can change Polarity Voltage Example with voltage iteration that illus...

Страница 134: ...as trigger out Each step same as trigger out If the start trigger is not set to Automatic the trigger indicates with Waiting for trigger the recommended trigger signal The waiting time for a trigger signal is endless if no trigger timeout is enabled External trigger timeout This function stops the test after the defined timeout time and indicates the message Error trigger unit timeout For enable t...

Страница 135: ...t 3 Enter comment if required 4 Press MARK PAUSE or FAIL for set a marker or comment 5 Enter a comment or and Pass Fail marker 6 The predefined Filename appears if selected Add individual letters for complete the filename Note The Save buttons are disabled as long no filename is entered 7 Save as pdf or rft file to the USB memory stick Note The USB memory stick must be connected to the NX device 8...

Страница 136: ...ST Compact NX5 Operating Manual V 1 06 136 143 15 2 Report setting The detailed report setting description is in chapter 4 3 6 7 Setup General Report Below you see the overview about the report configuration ...

Страница 137: ... NX5 Operating Manual V 1 06 137 143 15 3 Report Export The detailed report setting description is in chapter 4 3 6 7 Setup General Report Below you see the overview about the report configuration Used file extensions ...

Страница 138: ...se Requirements for devices to use in industrial area EN 61000 3 2 2014 Limits for harmonic current emissions EN 61000 3 3 2013 Limitation of voltage changes voltage fluctuations and flicker in public low voltage supply systems The purpose of this instrument is the generation of defined interferences signals for EMI immunity testing Depending on the arrangement of the test rig the configuration th...

Страница 139: ...lectrical equipment for measurement control and laboratory use EMC Directive 2014 30 EU Standard s to which conformity is declared EN 61326 1 2013 Electrical equipment for measurement control and laboratory use Requirements for devices to use in industrial area EN 61000 3 2 2014 Limits for harmonic current emissions EN 61000 3 3 2013 Limitation of voltage changes voltage fluctuations and flicker i...

Страница 140: ...trical equipment for measurement control and laboratory use EMC Directive 2014 30 EU Standard s to which conformity is declared EN 61326 1 2013 Electrical equipment for measurement control and laboratory use Requirements for devices to use in industrial area EN 61000 3 2 2014 Limits for harmonic current emissions EN 61000 3 3 2013 Limitation of voltage changes voltage fluctuations and flicker in p...

Страница 141: ...EM TEST Compact NX5 Operating Manual V 1 06 141 143 16 2 compact NX5 General Diagram 16 3 Main diagram control connection ...

Страница 142: ......

Страница 143: ...EM TEST Compact NX5 Operating Manual V 1 06 143 143 16 4 Main diagram high voltage connection ...

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