1 Introduction Test Specification Environment Relevant standards Emissions Immunity...

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2 CONTENTS 1 Introduction Test Specification Environment Relevant standards Emissions Immunity Test Results Conducted emissions (9kHz to 30MHz) Radiated emissions (30MHz to 1000MHz) Magnetic emissions (9kHz to 30MHz) (Not UKAS accredited) Radiated Electromagnetic Disturbance (9kHz to 30MHz) (Not UKAS accredited) Harmonic emissions Summary Emissions Immunity Compliance statement Appendices Appendix 1 Conducted emission test method (9kHz to 150kHz) Test information Appendix 2 Conducted emission test method (150kHz to 30MHz) Test information Appendix 3 Harmonic emissions test method (50 to 2000Hz) Test information Appendix 4 Radiated emission test method (30MHz to 1000MHz) Test information Appendix 5 Radiated electromagnetic disturbance test method (9kHz to 30MHz) Test information Appendix 6 Conducted emission test results Appendix 7 Radiated emission test results Appendix 8 Magnetic emission test results (Loop Antenna) Appendix 9 Radiated electromagnetic disturbance test results (Van Veen Loop) Appendix 10 Harmonic emissions test results Appendix 11 EUT test configurations Appendix 12 Reporting the results Appendix 13 Equipment used Appendix 14 Exercising equipment used York EMC Services Page 2 of 38 Issue 1

3 5.15 Appendix 15 Modification States York EMC Services Page 3 of 38 Issue 1

4 1 Introduction Name and address of laboratory: York EMC Services Ltd Three Lane Ends Business Centre Methley Road Castleford West Yorkshire WF10 1PN UKAS testing laboratory N 1574 Name and address of client: Radiocommunications Agency Wyndham 180 Marsh Wall London E14 9SX The test results contained in this test report relate only to the unit(s) tested. Equipment under test EUT 5 Printer switched mode power supply Manufacturer Product name Model number Serial number No. tested of each item Customer supplied test plan ref. Delta Electronics EUT 5 Printer power supply ADP 12XB REV:B N/A One York EMC Services Ltd Document 8214CR2 Date of receipt of EUT 20 th May 2003 Method of receipt Posted by Customer Date(s) of test(s) 20 th, 21 st, 22 nd, 23 rd, 27 th, 28 th, 29 th and 30 th May 2003 Date(s) when EUT was out of None laboratory s control Method of disposal Awaiting dispatch Personnel witnessing tests All tests witnessed by Mr Mahesh Dudhia of the Radiocommunications Agency. York EMC Services Page 4 of 38 Issue 1

5 Any other relevant information: EUT 5 denotes that the printer switched mode power supply was equipment under test number 5 out of a total of 10. During the tests the power supply was subjected to a number of load conditions (25, 50 and 100%), which were set using an external load box consisting of capacitor and resistors. This was built by York EMC Services Ltd as part of an overall project to study the EMC emissions from switched mode power supplies and similar switched electronic load controllers under different load conditions. York EMC Services Page 5 of 38 Issue 1

6 2 Test Specification 2.1 Environment The equipment under test normally forms part of a desktop printer manufactured by Lexmark. 2.2 Relevant standards Emissions Product Specific Standard EN55022:1998 Basic Standard Class/limit Test Radiated emissions EN55022:1998 Conducted emissions ac power port EN55022:1998 (See Note 4) Conducted emissions ac power port EN55015:2000+A1: 2001 (See Note 3) Magnetic emissions EN55011:1998 (Pre-compliance) Van Veen Loop EN55015:2000+A1: 2001 (See Note 3) Harmonic emissions EN :2000 B 4 B 1 Limits as per table 2a 1 As defined in table 3b 5 As defined in table 3 2 D 3 Note 1: The EUT is to be tested in three modes of operation unless specifically stated otherwise. Note 2: The individual tests were specifically requested by the customer, in order that direct comparisons could be made with a number of similar EUTs. Note 3: York EMC Services is not currently accredited for testing to EN55015:2000+A1:2001 but is accredited for testing to the earlier standard EN55015:1996. The limits and methods of measurement for the radiated disturbance test (Van Veen Loop) are identical in both standards. Note 4: Conducted emission measurements made in the frequency range 9kHz to 150kHz were compared against limit line in EN55015:2000+A1:2001. Note 5: The customer requested a class D limit for harmonic emissions for in order direct comparisons can be made between items for the purposes of the investigation, a common limit was used to test all items. York EMC Services Page 6 of 38 Issue 1

7 2.2.2 Immunity No immunity testing was requested. York EMC Services Page 7 of 38 Issue 1

8 3 Test Results 3.1 Conducted emissions (9kHz to 30MHz) Mode of operation Description Mode No. 230V AC, 100% load 1 230V AC, 50% load 2 230V AC, 25% load 3 Test standard Test description Class/limit EN55022:1998 Conducted emissions ac power (150kHz-30MHz) B EN55015:2000+A1:2001 Conducted emissions ac power (9kHz-150kHz) Limit as per table 2a Results Mode Figure Result Comments 1 C01 Pass Live C02 Pass Neutral 2 C03 Pass Live C04 Pass Neutral 3 C05 Pass Live C06 Pass Neutral QP Mode Freq QP level Comments Results (MHz) (dbuv) Live Live York EMC Services Page 8 of 38 Issue 1

9 QP Mode Freq QP level Comments Results (MHz) (dbuv) Live Live Live Live Average Mode Freq Av level Comments Results (MHz) (dbuv) Live Live Live Live Live Live QP Mode Freq QP level Comments Results (MHz) (dbuv) Neutral Neutral Neutral Neutral Neutral Neutral York EMC Services Page 9 of 38 Issue 1

10 Average Mode Freq Av level Comments Results (MHz) (dbuv) Neutral Neutral Neutral Neutral Neutral Neutral QP Mode Freq QP level Comments Results (MHz) (dbuv) Live Live Live Live Live Live Average Mode Freq Av level Comments Results (MHz) (dbuv) Live Live Live Live Live Live York EMC Services Page 10 of 38 Issue 1

11 QP Mode Freq QP level Comments Results (MHz) (dbuv) Neutral Neutral Neutral Neutral Neutral Neutral Average Mode Freq Av level Comments Results (MHz) (dbuv) Neutral Neutral Neutral Neutral Neutral Neutral QP Mode Freq QP level Comments Results (MHz) (dbuv) Live Live Live Live York EMC Services Page 11 of 38 Issue 1

12 QP Mode Freq QP level Comments Results (MHz) (dbuv) Live Live Average Mode Freq Av level Comments Results (MHz) (dbuv) Live Live Live Live Live Live QP Mode Freq QP level Comments Results (MHz) (dbuv) Neutral Neutral Neutral Neutral Neutral Neutral York EMC Services Page 12 of 38 Issue 1

13 Average Mode Freq Av level Comments Results (MHz) (dbuv) Neutral Neutral Neutral Neutral Neutral Neutral Note 1: The mains cable to the EUT was shortened to 1m as required by the standard. Modifications Required for this test Modification state None 0 York EMC Services Page 13 of 38 Issue 1

14 3.2 Radiated emissions (30MHz to 1000MHz) Mode of operation Description Mode No. 230V AC, 100% load 1 230V AC, 50% load 2 230V AC, 25% load 3 Test standard Test description Class/limit EN55022:1998 Radiated emissions B Results Mode Figure Result Comments 1 R01 Pass Both polarisations, all 4 sides of EUT. (Chamber measurement) 2 R02 Pass Both polarisations, all 4 sides of EUT. (Chamber measurement) 3 R03 Pass Both polarisations, all 4 sides of EUT. (Chamber measurement) Note 1: Due to the low level of emissions measured from the EUT, no OATS measurements were made at the request of the customer. Modifications Required for this test Modification state None 0 York EMC Services Page 14 of 38 Issue 1

15 3.3 Magnetic emissions (9kHz to 30MHz) (Not UKAS accredited) Mode of operation Description Mode No. 230V AC, 100% load 1 230V AC, 50% load 2 230V AC, 25% load 3 Test standard Test description Class/limit EN55011:1998 Radiated emissions Limit as defined in table 3b Results Mode Figure Result Comments 1 R01 Pass One face of EUT, antenna parallel to EUT. R02 Pass One face of EUT, antenna perpendicular to EUT. 2 R03 Pass One face of EUT, antenna parallel to EUT. R04 Pass One face of EUT, antenna perpendicular to EUT. 3 R05 Pass One face of EUT, antenna parallel to EUT. R06 Pass One face of EUT, antenna perpendicular to EUT. Note 1: The magnetic emissions tests were carried as pre-compliance tests at a distance of 3m, with a fixed antenna height in an anechoic chamber. During the tests the front face of the EUT was facing the antenna. Only one face was tested, (See Appendix 9, magnetic emissions 5.9.3). Modifications Required for this test Modification state None 0 York EMC Services Page 15 of 38 Issue 1

16 3.4 Radiated Electromagnetic Disturbance (9kHz to 30MHz) (Not UKAS accredited) Mode of operation Description Mode No. 230V AC, 100% load 1 230V AC, 50% load 2 230V AC, 25% load 3 Test standard Test description Class/limit EN55015:2000+A1:2001 Radiated emissions N/A Results Mode Figure Result Comments 1 R01 Pass Loop H1 R02 Pass Loop V1 R03 Pass Loop V2 2 R04 Pass Loop H1 R05 Pass Loop V1 R06 Pass Loop V2 3 R07 Pass Loop H1 R08 Pass Loop V1 R09 Pass Loop V2 Note 1: York EMC Services is not currently accredited for testing to EN55015:2000+A1:2001 but is accredited for testing to the earlier standard EN55015:1996. The limits and methods of measurement for the radiated disturbance test (Van Veen Loop) are identical in both standards. Modifications Required for this test Modification state None 0 York EMC Services Page 16 of 38 Issue 1

17 3.5 Harmonic emissions Mode of operation Description Mode No. 230V AC, 100% load 1 230V AC, 50% load 2 230V AC, 25% load 3 Test standard Test description Class/limit EN :2000 Harmonic emissions D Results Mode Figure Result Comments 1 H01 Fail None 2 H02 Fail None 3 H03 Fail None Note 1: The customer requested class D limit for harmonic emissions in order to perform a direct comparison between the items for the purposes of this investigation. A common limit was used to test all three items. Modifications Required for this test Modification state None 0 York EMC Services Page 17 of 38 Issue 1

18 4 Summary 4.1 Emissions Product Specific Standards EN55022:1998 and EN55015:2000+A1:2001 Basic Standard Class/limit Result Radiated emissions EN55022:1998 B Pass (Case A) Conducted emissions ac power port EN55022:1998 (See Note 4) Conducted emissions ac power port EN55015:2000+A1:2001 (See Note 3) Magnetic emissions EN55011:1998 (Pre-compliance) Van Veen Loop EN55015:2000+A1:2001 (See Note 3) Harmonic emissions EN :2000 B Limits as per table 2a As defined in table 3b As defined in table 3 D Pass (Case A) Pass (Case A) Pass (Case A) Pass (Case A) Fail (Case D) Note 1: The EUT is to be tested in three modes of operation unless specifically stated otherwise. Note 2: The individual tests were specifically requested by the customer, in order that direct comparisons could be made with a number of similar EUTs. Note 3: York EMC Services is not currently accredited for testing to EN55015:2000+A1:2001 but is accredited for testing to the earlier standard EN55015:1996. The limits and methods of measurement for the radiated disturbance test (Van Veen Loop) are identical in both standards. Note 4: Conducted emission measurements made in the frequency range 9kHz to 150kHz were compared against limit line in EN55015:2000+A1:2001. Note 5: The customer requested a class D limit for harmonic emissions for in order direct comparisons can be made between items for the purposes of the investigation, a common limit was used to test all items. York EMC Services Page 18 of 38 Issue 1

19 4.2 Immunity No immunity testing was requested. 4.3 Compliance statement The EUT 5 Printer switched mode power supply, was shown to meet the requirements of the standards listed in 4.1 of this report, with the exception of harmonic emissions. York EMC Services Page 19 of 38 Issue 1

20 5 Appendices 5.1 Appendix 1 Conducted emission test method (9kHz to 150kHz) Test information Standard YES Test Method Measurement uncertainty EN55015:2000+A1:2001 CEP19 +/- 1.76dB Equipment Used Rohde & Schwarz ESHS10 receiver Rohde & Schwarz ESH3-Z5 LISN Chase 9206 transient limiter Note: Specific set-ups for the EUT are shown in EUT test configurations section of this report (where applicable). York EMC Services Page 20 of 38 Issue 1

21 5.2 Appendix 2 Conducted emission test method (150kHz to 30MHz) Test information Standard YES Test Method Measurement uncertainty EN55022:1998 CEP19 +/- 2.38dB Equipment Used Rohde & Schwarz ESHS10 receiver Rohde & Schwarz ESH3-Z5 LISN Chase 9206 transient limiter Note: Specific set-ups for the EUT are shown in EUT test configurations section of this report (where applicable). York EMC Services Page 21 of 38 Issue 1

22 5.3 Appendix 3 Harmonic emissions test method (50 to 2000Hz) Test information Standard YES Test Method Measurement uncertainty EN :2000 CEP17 Greater of 5% of limit or 0.2% of rated current Equipment Used Schaffner Profline Test System Serial No Consisting of: Voltech PM3000A Analyser Serial No CCN2000 Interface Serial No. IN UPC-32 Controller Serial No AMXT Magnetics module Serial No Note: Specific set-ups for the EUT are shown in EUT test configurations section of this report (where applicable). York EMC Services Page 22 of 38 Issue 1

23 5.4 Appendix 4 Radiated emission test method (30MHz to 1000MHz) Test information Standards YES Test Method Measurement uncertainty EN55022:1998 CEP23 N/A Equipment Used Rohde & Schwarz receiver Bilog antenna Rohde & Schwarz positioning mast and controller EMCO 2m diameter turntable and controller Note: Specific set-ups for the EUT are shown in EUT test configurations section of this report (where applicable). York EMC Services Page 23 of 38 Issue 1

24 5.5 Appendix 5 Radiated electromagnetic disturbance test method (9kHz to 30MHz) Test information Standards YES Test Method Measurement uncertainty EN55015:2000+A1:2001 CEP20 +/- 2.36dB Equipment Used Rohde & Schwarz receiver Van Veen Loop Variac Note: Specific set-ups for the EUT are shown in EUT test configurations section of this report (where applicable). York EMC Services Page 24 of 38 Issue 1

25 5.6 Appendix 6 Conducted emission test results Conducted Emission (Live) Peak Measurement Conducted Emission (dbuv) Frequency (MHz) 100% Load 50% Load 25% Load Noise Floor Quasi-Peak - 100% Load Quasi-Peak - 50% Load Quasi-Peak - 25% Load Limit EN QP Figure Conducted emissions results, (Live quasi peak measurement). Conducted Emission (Live) Average Measurement Conducted Emission (dbuv) Frequency (MHz) 100% Load 50% Load 25% Load Noise Floor AV - 100% Load AV- 50% Load AV - 25% Load Limit EN AV Figure Conducted emissions results, (Live average measurement). York EMC Services Page 25 of 38 Issue 1

26 Conducted Emission (Neutral) Peak Measurement Conducted Emission (dbuv) % Load 50% Load frequency 25% (MHz) Load Noise Floor Quasi-Peak - 100% Load Quasi-Peak - 50% Load Quasi-Peak - 25% Load Limit EN55015 and EN QP Figure Conducted emissions results, (Neutral quasi peak measurement). Conducted Emission (Neutral) Average Measurement Conducted Emission (dbuv) frequency (MHz) 100% Load 50% Load 25% Load Noise Floor AV - 100% Load" AV - 50% Load" AV - 25% Load" Limit EN AV Figure Conducted emissions results, (Neutral average measurement). York EMC Services Page 26 of 38 Issue 1

27 5.7 Appendix 7 Radiated emission test results Combined Horizontal & Vertical Polarisations Peak Measurement Radiated Emissions (dbuv/m) Frequency (MHz) Noise Floor 100% Load 50% Load 25% Load Limit EN55022 Class B Figure Radiated emissions results (Chamber). Note 1: The frequencies at approximately 90MHz 100MHz, and MHz were ambient signals. York EMC Services Page 27 of 38 Issue 1

28 5.8 Appendix 8 Magnetic emission test results (Loop Antenna) Parallel Loop Peak Measurement Magnetic Field (dbua/m) Frequency (MHz) Noise Floor 25% Load 50% Load 100% Load Limit EN QP Figure Magnetic emissions results, parallel (Chamber). Perpendicular Loop Peak Measurement Magnetic field (dbua/m) Frequency (MHz) Noise Floor 25% Load 50% Load 100% Load Limit EN QP Figure Magnetic emissions results, perpendicular (Chamber). York EMC Services Page 28 of 38 Issue 1

29 5.9 Appendix 9 Radiated electromagnetic disturbance test results (Van Veen Loop) Van Veen Peak Measurement (Loop H1) Radiated Emission (dbua/m) % Load 50% Load frequency (MHz) 25% Load Noise Floor Quasi-Peak - 100% Load Quasi-Peak - 50% Load Quasi-Peak - 25% Load Limit EN QP Figure Magnetic emissions results (loop H1). Van Veen Peak Measurement (Loop V1) Radiated Emission (dbua/m) % Load 50% Load frequency (MHz) 25% Load Noise Floor Quasi-Peak - 100% Load Quasi-Peak - 50% Load Quasi-Peak - 25% Load Limit EN QP Figure Magnetic emissions results (loop V1). York EMC Services Page 29 of 38 Issue 1

30 Van Veen Peak Measurement (Loop V2) Radiated Emission (dbua/m) % Load 50% Load frequency (MHz) 25% Load Noise Floor Quasi-Peak - 100% Load Quasi-Peak - 50% Load Quasi-Peak - 25% Load Limit EN QP Figure Magnetic emissions results (loop V2). York EMC Services Page 30 of 38 Issue 1

31 5.10 Appendix 10 Harmonic emissions test results EUT ma % limit Mode 1 100% Mode 2 50% Mode 3 25% Harmonics Figure Harmonic emissions results. York EMC Services Page 31 of 38 Issue 1

32 5.11 Appendix 11 EUT test configurations Photograph Conducted emissions testing Photograph Radiated emissions testing York EMC Services Page 32 of 38 Issue 1

33 Photograph Magnetic emissions testing (Loop antenna) Photograph Magnetic emissions testing (Van Veen Loop) York EMC Services Page 33 of 38 Issue 1

34 Photograph Harmonic emissions testing York EMC Services Page 34 of 38 Issue 1

35 5.12 Appendix 12 Reporting the results Case A Case B Case C Case D Specified upper limit Specified lower limit = Reported value Case A The equipment complies with the stated specification of the measured points, due allowance having been made for the uncertainty of the measurements. It may be deemed as a pass. Case B The measured result is below the specification limit by a margin less than the measurement uncertainty; it is therefore not possible to state compliance based on the stated level of confidence. However the result indicates that compliance is more probable than non-compliance with the specification limit. It is a likely pass but within the measurement uncertainty. Case C The measured result is above the specification limit by a margin less than the measurement uncertainty; it is therefore not possible to state compliance based on the stated level of confidence. However the result indicates that non-compliance is more probable than compliance with the specification limit. It is a likely fail but within the measurement uncertainty. Case D The equipment does not comply with the stated specification of the measured points, due allowance having been made for the uncertainty of the measurements. It may be deemed as a fail. York EMC Services Page 35 of 38 Issue 1

36 5.13 Appendix 13 Equipment used Equipment No. Cal Type Used Equipment No. Cal Type Used AR FM2000 Field Probe Set R&S SMY02 Signal Generator UKAS AR FM2000 Field Probe Set UKAS Rolfe Heine 200A 3 Phase LISN UKAS AR50W W Amplifier NCS Rolfe Heine 32A 3 Phase LISN UKAS Blackstar Function Generator In-house Schaffner NSG1025 EFT/B Generator UKAS Chase Van Veen Loop In-house! Schaffner NSG2025 EFT/B Generator UKAS Chase CBL 6111A Bilog Antenna UKAS Schaffner NSG PNW UKAS Chase CBL 6112B Bilog Antenna UKAS Schaffner EM clamp NCS Chase CBL 6140 X-Wing Antenna In-house! Chase CFL 9206 Transient Limiter In-house Schaffner NSG435 ESD Simulator UKAS Chase CFL 9206 Transient Limiter In-house! Chase HLA6120 Loop Antenna NPL! Schaffner NSG650 + CDN UKAS Chase MDS21 Absorbing Clamp UKAS Schaffner NSG PNW UKAS EMCO 3115 Double Ridged Horn Manufac Schaffner Profline UKAS! Fischer FCC-801-M1-16 CDN UKAS Schaffner voltage probe CVP UKAS Fischer FCC-801-M2-25 CDN UKAS Schaffner current probe SMZ UKAS Fischer FCC-801-M2-16 CDN UKAS Schaffner T200 ISN UKAS Fischer FCC-801-M3-16 CDN UKAS Schaffner T400 ISN UKAS Fischer FCC-801-M3-25 CDN UKAS Schaffner Chase CBL6111C UKAS Fischer FCC-801-M4-25 CDN UKAS Schaffner Chase CBL6112B Manufac Fischer EM clamp NCS Schaffner INA 175 surge CDN In-house Fischer FCC-801-T UKAS Schaffner INA 172 surge CDN In-house Fluke 45 Digital Mutimeter UKAS Solar 9108-IN Current Probe UKAS Fluke 85 Digital Mutimeter UKAS Voltech PM3000A Harmonic Analyser UKAS! Gould 475 Digital Oscilloscope UKAS Fischer FCC-801-M3-25 CDN UKAS HP Infinium oscilloscope UKAS Fischer FCC-801 M1-16 CDN UKAS HP programmable power supply UKAS EM Test UCS UKAS Instek GFG-8020H In-house Fischer FCC-801-M1-16 CDN ISO-TECH ICA32N current transducer NCS Fisher FCC-801-M3-25 CDN UKAS ISO-TECH 9053 LCR meter NCS Keytek AC line qualifier UKAS Keytek EMC Pro UKAS Spitzenberger & Spies power source NCS Keytek MZ-15/EC ESD Simulator UKAS 6dB attenuator In-house LEM HEME LH2015 true RMS meter NCS 6dB attenuator In-house Marconi UKAS Magnetic immunity loop (single) In-house R&S ESH3-Z5 LISN UKAS Magnetic immunity loop (multi) In-house R&S ESH3-Z5 LISN UKAS! Wandel & Golterman EFA Manufac R&S ESHS 10 Receiver UKAS! Schaffner EFT/B clamp In-house R&S ESHS10 Receiver UKAS! Variac N/A! R&S ESVS 30 Receiver UKAS! R&S ESVS10 Receiver UKAS York EMC Services Page 36 of 38 Issue 1

37 5.14 Appendix 14 Exercising equipment used Equipment Serial number Cal status Load box 12 N/A None York EMC Services Page 37 of 38 Issue 1

38 5.15 Appendix 15 Modification States Modification state Modification 0 As supplied by the customer. York EMC Services Page 38 of 38 Issue 1