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Schaffner NSG 2050 Operating Instructions Manual

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NSG 2050
SCHAFFNER
TEST EQUIPMENT
Generator System
NSG 2050
OPERATING INSTRUCTIONS
601-166D
www.valuetronics.com

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  • Page 1 NSG 2050 SCHAFFNER TEST EQUIPMENT Generator System NSG 2050 OPERATING INSTRUCTIONS 601-166D www.valuetronics.com...
  • Page 2 www.valuetronics.com...

  • Page 3: Table Of Contents

    NSG 2050 SCHAFFNER TEST EQUIPMENT Contents Safety advice ..................1-1 General ..................1-1 Installation ..................1-2 Test execution ................1-3 Dangers concerning the generator ..........1-3 Dangers concerning the EUT ............1-4 Applicable safety standards ............1-4 Unpacking, storage and transport ..........2-1 General ..................
  • Page 4 SCHAFFNER NSG 2050 TEST EQUIPMENT Connections to rear panel.............. 4-5 4.6.1 Synchronisation supply ............4-5 4.6.2 The "USER" port..............4-5 4.6.3 Remote control interface (RS 232) ......... 4-7 4.6.4 External CDN control connection ........... 4-8 4.6.5 Interlock .................. 4-9 Connection of the INA 2050 expansion chassis ......4-13 Description of functions ..............
  • Page 5 The NSG 2050 may only be installed and used by authorised and trained EMC specialists (electrical engineers). The NSG 2050 must only be used for EMC tests as set down in these operating instructions. Manufacturer SCHAFFNER ELEKTRONIK AG Nordstrasse 11, CH-4542 Luterbach, Switzerland www.valuetronics.com...
  • Page 6 www.valuetronics.com...

  • Page 7: Safety Advice

    All the safety instructions and advice notes are to be observed. Neither SCHAFFNER Elektronik AG, Luterbach, Switzerland nor any of the subsidiary sales organisations can accept any responsibility for personal, material or consequential injury, loss or damage that results from improper use of the equipment and accessories.

  • Page 8: Installation

    SCHAFFNER NSG 2050 TEST EQUIPMENT Installation The instrument conforms to protection class 1, but with an increased leakage current. Local installation regulations must be respected to ensure the safe flow of leakage currents. Operation without a protective earth connection is forbidden!

  • Page 9: Test Execution

    NSG 2050 SCHAFFNER TEST EQUIPMENT Test execution The test area must be so organised that no unauthorised persons have access during execution of a test. If a safety contact (interlock) is used as a means of access control to the test zone (e.g. Faraday cage), then an additional contact in series is necessary to provide protection for parts of the EUT that are in danger of being touched.

  • Page 10: Dangers Concerning The Eut

    SCHAFFNER NSG 2050 TEST EQUIPMENT Dangers concerning the EUT EUTs are often simply functional samples that have not previously been subjected to any safety tests. It can therefore happen in some cases that the EUT is quickly damaged by internal overloads caused by the control electronics being disrupted or it may even start to burn.
  • Page 11 NSG 2050 SCHAFFNER TEST EQUIPMENT It is the user's responsibility to ensure that the test set up does not emit excessive radiation that may affect other equipment. The generator itself does not produce any illegal radiation, however the EUT and/or the associated cables may start radiating EMI.
  • Page 12 www.valuetronics.com...

  • Page 13: Unpacking, Storage And Transport

    NSG 2050 SCHAFFNER TEST EQUIPMENT Unpacking, storage and transport General   Throw nothing away! Packaging either: - Keep for despatching the instrument to the calibration service - Return to the relevant sales outlet - Dispose of in an environmentally friendly manner,...

  • Page 14: Unpacking

    SCHAFFNER NSG 2050 TEST EQUIPMENT Unpacking  Is the packaging intact?   If NO transportation company  Are all the packages present and correct?   If NO transportation company  Open the packaging, remove the accessories.  Lift the instrument out of the packaging by its side hand-grips.

  • Page 15: Description Of The Instrument

    EMC test in conformity with EN 50082-1 or the appropriate product standard. The NSG 2050 is intended for executing interference immunity tests with surge pulses as called by IEC, CCITT, Bellcore and ANSI as well as electrical fast transients given in IEC 1000-4-4 and power quality test such as IEC 1000-4-11 and various derivatives.
  • Page 16 www.valuetronics.com...

  • Page 17: Operating Elements

    NSG 2050 SCHAFFNER TEST EQUIPMENT Operating elements 3.2.1 Front panel “POWER” button Toggle function “STAND-BY” < > “ON” with STAND-BY indicator. Press the button 10 s after the mains supply has been switched on. “EMERGENCY OFF” Emergency off function for use under computer and manual control.
  • Page 18 SCHAFFNER NSG 2050 TEST EQUIPMENT Output Low Pulse Output, low Output High Pulse Output, high Trigger Output CRO trigger signal, 5V active high I-monitor Current monitor, 1V = 200A with ext. 50  termination “STOP” key Stops the current test, switches the HV off and resets the test duration timer.

  • Page 19: Rear Panel

    NSG 2050 SCHAFFNER TEST EQUIPMENT Rear panel Earth connection point Synchronisation input Voltage selector with fuse for the generator supply Mains input for generator power supply Mains switch "User" port Remote control connector, 25-pin RS 232, DCE, without HW control...
  • Page 20 www.valuetronics.com...

  • Page 21: Installation And Power Supply

    106 kPa The ventilation slots on the instrument must not be blocked. Power supply The NSG 2050 has two independent power supply inputs: Instrument supply via an IEC 320/IV equipment connector Synchronisation feed via a mains cable fed from an internal or external CDN www.valuetronics.com...

  • Page 22: Test Equipment

    Use of the CDN 131 /133 or the PNW 2055 produces earth leakage currents of up to 3 A, because of the coupling capacitors and filter involved. The NSG 2050 must hence by efficiently earthed. One of the following additional protective measures is likely to be necessary, depending on local regulations: ...

  • Page 23: Synchronisation Supply Connection

    NSG 2050 SCHAFFNER TEST EQUIPMENT 4.3.2 Synchronisation supply connection This connection is required when the pulse is to be synchronised to the mains frequency. The connection is generally made via the external or internal CDN. Voltage range: 10 V ... 230 Vac (+10%) Frequency range: 15 ...

  • Page 24: Monitor Voltage Output

    CRO used and its input voltage divider. EUT connection Depending on the PNW employed, the NSG 2050 superimposes the pulses directly on the High and Low pulse outputs. The method for connecting an EUT is described in the relevant PNW manual.

  • Page 25: Connections To Rear Panel

    NSG 2050 SCHAFFNER TEST EQUIPMENT Connections to rear panel 4.6.1 Synchronisation supply The synchronisation supply can be obtained from other frequencies to suit the particular application. For example, the object under test might be intended for the US market (60 Hz) but can be tested with the instrument powered from a 50 Hz source.
  • Page 26 SCHAFFNER NSG 2050 TEST EQUIPMENT The "EUT-Fail INPUT" serves to supervise the function of the EUT. The generator is put into the STOP mode and the message "INFO 115" is displayed when this input is activated. It can be driven from TTL/CMOS logic at up to 15V or by a contact to earth;...

  • Page 27: Remote Control Interface (Rs 232)

    Remote control interface (RS 232) Remote control is effected from an associated computer via an RS 232 link. Since the primary function of the NSG 2050 is the generation of high energy pulses, any electrically connected interface must work with an optical link to prevent EMC problems or even destruction occurring.

  • Page 28: External Cdn Control Connection

    SCHAFFNER NSG 2050 TEST EQUIPMENT 4.6.4 External CDN control connection Pin-out of the 37-pin D-sub miniature connector Signal Description Connected to ground via choke Coupling K 0 Output Coupling K 1 Output Coupling K 2 Output Coupling K 3 Output...

  • Page 29: Interlock

    SCHAFFNER TEST EQUIPMENT 4.6.5 Interlock The NSG 2050 has an integral interlock system in keeping with the kind of safety standard expected of a high voltage test instrument. This system has the following functions: Inputs:  Input for external monitoring, e.g. from special coupling networks and access control restrictions.
  • Page 30 This is achieved automatically when using original SCHAFFNER accessories by making the connections to the interlock connectors with 15-way standard cables wired on a 1:1 basis.
  • Page 31 NSG 2050 SCHAFFNER TEST EQUIPMENT 15-pin Interlock connector Function GND, 0 V NC, linked to the other interlock connector Interlock input/output (internal switch) NC, linked to the other interlock connector Interlock status (triggers the interlock function in the instrument and switches the relay at +12 to +48 V for this purpose)
  • Page 32 SCHAFFNER NSG 2050 TEST EQUIPMENT NSG 2050 Circuit diagram of the interlock system S: external safety switch (e.g. test hood, door-switch, safety button, etc.) A number of such interlock connectors can be linked in series to achieve a safe test set-up.

  • Page 33: Connection Of The Ina 2050 Expansion Chassis

    When two or more PNWs are to be used and it is inconvenient to keep exchanging them or it is required to run complete test sequences in conjunction with the WIN software, the NSG 2050 offers the handy facility of being able to add up to two expansion chassis.
  • Page 34 www.valuetronics.com...

  • Page 35: Description Of Functions

    SCHAFFNER TEST EQUIPMENT Description of functions The NSG 2050 belongs to the new family of SCHAFFNER ProfLine system units. These instruments have high performance microprocessor control and generously dimensioned high voltage and power components. Following is a description of the functions from the outside to inside.

  • Page 36: Computer Control Of The Instrument

    SCHAFFNER NSG 2050 TEST EQUIPMENT 5.1.2 Computer control of the instrument Automatic running of test sequences incl. coupler switching under software control.  “Ramping” of the set parameters  Printout of the test results  Remote control  Large, clearer display screen ...

  • Page 37: Test System With Multiple Network Modules

    NSG 2050 SCHAFFNER TEST EQUIPMENT 5.1.3 Test system with multiple network modules Autonomous manual control or use of the Windows user-interface for all types of module.  Up to two expansion chassis can be connected each of which can accommodate two modules ...

  • Page 38: Test System With Multiple Modules And Coupling Networks

    SCHAFFNER NSG 2050 TEST EQUIPMENT 5.1.4 Test system with multiple modules and coupling networks Common Windows user-interface for all the modules and coupling networks.  Test sequences are programmable  The EUT is connected directly to the coupling unit www.valuetronics.com...

  • Page 39: Test System "Profline" With Multiple Types Of Interference

    NSG 2050 SCHAFFNER TEST EQUIPMENT Test system “ProfLine” with multiple types of interference 5.1.5 Test system with automatic switching of the interference type by means of a combination coupler  Complete interference immunity tests with mains- superimposed types interference executed automatically ...
  • Page 40 www.valuetronics.com...

  • Page 41: Block Diagram

    NSG 2050 SCHAFFNER TEST EQUIPMENT Block diagram www.valuetronics.com...
  • Page 42 www.valuetronics.com...

  • Page 43: System Messages

    NSG 2050 SCHAFFNER TEST EQUIPMENT System messages All the messages from the system are either indicated on the display panel by means of a code number, or, in case of remote control, sent via the serial port. These fall into the following groups:...
  • Page 44 SCHAFFNER NSG 2050 TEST EQUIPMENT  EUT FAULT No. 115 The EUT has signalled a fault.  REPETITION TOO SMALL No. 122 The minimum repetition time has not been attained.  TIMEOUT IN THE HV SUPPLY No. 125 The HV could not be generated in the given time.
  • Page 45 NSG 2050 SCHAFFNER TEST EQUIPMENT  PNW FAULT No. 205 The selected PNW has signalled a fault.  PNW HAS BEEN CHANGED No. 206 The PNW configuration has been changed (PNW module removed or enhanced).  CDN FAULT No. 207 The connected CDN has signalled a fault.
  • Page 46 www.valuetronics.com...

  • Page 47: Function Check

    NSG 2050 SCHAFFNER TEST EQUIPMENT Function check Function check Very many functions are checked automatically by the control module upon power-up or during actual operation so that a simple function check for verification purposes is adequate. Time Out The function selected by means of the function keys is highlighted in inverse video.

  • Page 48: Test Equipment

    SCHAFFNER NSG 2050 TEST EQUIPMENT Check the interlock circuit   Display shows Circuit open: Instrument cannot be switched to “RUN” (INFO 006)  Circuit closed: Display shows Press the “RUN” button with the safety interlock circuit closed.  ...
  • Page 49 NSG 2050 SCHAFFNER TEST EQUIPMENT the instrument exhibits faulty or missing functions the instrument makes unusual noises the instrument has been stored for a long time under unfavourable conditions. the instrument shows INFO 127 on the display Measures for 1 - 4: Send the instrument to a service centre to be checked.

  • Page 50: Trouble Shooting

    SCHAFFNER NSG 2050 TEST EQUIPMENT Trouble shooting Problem Possible cause Remedy Instrument cannot be set to the Display shows INFO 200 Release emergency off button & “RUN” state Display shows INFO 128 Close interlock circuit Display shows INFO 006 “Power” button lamp does not...

  • Page 51: Error Message Language Selection

    RS 232 interface. Proceed as follows to make a change:  Switch on the NSG 2050 at the rear panel (Power switch).  Press the Stand-by button, POWER ON.  Connect the PC via an RS 232 cable to the 25-pin RS 232 remote control connector.

  • Page 52: Rack Installation

    SCHAFFNER NSG 2050 TEST EQUIPMENT Rack installation The instrument is designed for both bench-top use as well as for installation in a 19" rack. The instrument has to be fitted with the mounting brackets available as an option (INA 161) before installation in a rack.
  • Page 53 NSG 2050. In the case of certain cabinets it might be necessary to remove the hand- grips from the sides of the NSG 2050 or to modify the cabinet to accommodate the unit. www.valuetronics.com...
  • Page 54 www.valuetronics.com...

  • Page 55: Standards

    The safety measures contained in VDE 0104 are recommended for the operation of high voltage test rigs. This instrument provides all the necessary facilities. The corresponding operating states of the NSG 2050 are: Out of operation: The instrument is switched off at the mains switch on the rear panel.

  • Page 56: Typical Applications And Standards

    Take the possibility of disruption to flight safety installations into account. Typical applications and standards The NSG 2050 is intended mainly for tests in accordance with IEC 1000-4-5. The following documents must be available for correct execution of standard- conform tests:...

  • Page 57: Summary Of Standards Concerning The Pnws

    Summary of standards concerning the PNWs The NSG 2050 is intended to be used for various EMC tests. The PNWs are explained in the specific chapter in this manual together with references to the relevant standards. It should be remarked that today’s pulse standards are complied with implicitely and their probable revisions have been taken into account as far as known.
  • Page 58 www.valuetronics.com...

  • Page 59: Maintenance

    The instrument does not contain any user-serviceable parts. Work inside the unit may only be carried out by specialists trained on this instrument. No modifications are to be carried out by the user on the NSG 2050. Only original Schaffner parts are to be used for repair purposes. The manufacturer accepts no responsibility whatsoever for damage, injury or other danger that arises through the use of non-original parts or due to modifications.
  • Page 60 www.valuetronics.com...

  • Page 61: Replacement Parts, Disposal And Warranty

    10.1 Replacement parts The NSG 2050 contains no parts that wear which should be kept in stock by the user. Should a repair become necessary, the replacement part may be any arbitrary component or module or a part of the housing. A suitable stock of parts is therefore only possible at a qualified service station.
  • Page 62 www.valuetronics.com...

  • Page 63: Technical Specifications

    NSG 2050 SCHAFFNER TEST EQUIPMENT Technical specifications 11.1 Electrical specifications Generator Generated voltage: 9.5kV max. Repetition rate: Depends of the PNW Phase positioning: Synchronous from 0 - 359° or asynchronous Polarity: Positive, negative or alternating Internal impedance: Depends of the PNW...

  • Page 64: Test Equipment

    SCHAFFNER NSG 2050 TEST EQUIPMENT Frequency range: 50 / 60 Hz ±5 % Mains switches: Primary: in rear-mounted filter  OFF  Standby  Standby  ON Button: on front panel The instrument can be switched on or off under remote control while in the “Standby”...

  • Page 65: Environmental Conditions

    NSG 2050 SCHAFFNER TEST EQUIPMENT 11.3 Environmental conditions Intended for use only inside a building. Ambient temperature: Operation range: +5° ... +40° C Storage and transport: -20° ... +70° C Relative humidity: Operation range: 20 % ... 80 % > 31° C linear reduction to 50 % at 40°...
  • Page 66 www.valuetronics.com...

  • Page 67: Ordering Information, Options

    NSG 2050 SCHAFFNER TEST EQUIPMENT Ordering information, Options NSG 2050 Control Unit Included: 1 Mains cable, country-specific 1 Set interlock connector, 15-pin 1 Termination plug 1 Operating manual 12.1 Options PNW 2003 Mains Dropout and Variation PQT module (IEC 1000-4-12) PNW 2050 Pulse network module;...
  • Page 68 SCHAFFNER NSG 2050 TEST EQUIPMENT PNW 2055 Pulse network module; Hybrid pulse 1.2/50 µs open-circuit (IEC 1000-4-5) 8/20 µs short-circuit with integral coupler PNW 2056 Pulse network module; Ringwave: 0,5 s / 100 kHz open-circuit (IEC 1000-4-12) Damped Oscillatory wave:...

  • Page 69: Addresses

    Tel +41 32 6816 626 Fax +41 32 6816 641 www.schaffner.com Subsidiary companies Deutschland: China: Schaffner Elektronik GmbH Schaffner Beijing Liasion Office +49 0721 56 910 +86 10 6510 1761 +49 0721 56 9110 +86 10 6510 1763 France: Japan: Schaffner S.A.

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