EMC Test for Compliance with EU EMC Directive 2004/108/EU Partial Test 12-12-2012 Standards Description EN 55022:2011 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement EN 55024:2010 Information technology equipment - Immunity characteristics - Limits and methods of measurement Equipment under test (EUT) • uServer Ver 1.1 • uServer EvalBoard Ver 1.0. Client: Nabto ApS Åbogade 15, 8200, Aarhus N Investigation carried out by: MaJust ApS Åbogade 15, 8200, Aarhus N Test engineer: Jakob Justesen ([email protected]) Test site Jens-EMC ApS Randersvej 6 DK-8600 Silkeborg Denmark Test result: • The EUT has undergone all applicable tests without remarks. • The EUT is believed to comply with the 2004/108/EU EMC directive. • Note: some tests where skipped due to dependency on target system. uServer Ver 1.1 – EMC Test Rapport Page 1 of 13 pages
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EMC Test for Compliance with EU EMC Directive 2004/108/EUPartial Test
12-12-2012
Standards Description
EN 55022:2011 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
EN 55024:2010 Information technology equipment - Immunity characteristics - Limits and methods of measurement
• The EUT has undergone all applicable tests without remarks.
• The EUT is believed to comply with the 2004/108/EU EMC directive.
• Note: some tests where skipped due to dependency on target system.
uServer Ver 1.1 – EMC Test RapportPage 1 of 13 pages
EMC Test lab environmental
21ºC 51 % RH 1003 hPa
EUT and configuration:
uServer Ver 1.1:
• RJ-45: Ethernet connection to Internet Router - 10 meter Cat-5 STP cable
• 9VDC 0,5A mains power adaptor Xing Yuan El ectronics, Model XY0900500-E (100-240VAC input)
uServer Ver 1.1 – EMC Test RapportPage 2 of 13 pages
Test result - Immunity
Immunity test Test specifications
EN55024
Per. Crit.
Test Result
Immunity – Enclosure Port
Power Frequency Magnetic Field, Immunity EN 61 000-4-8
50 & 60Hz 30 A/m
A NOT TESTED1
RF Field ImmunityEN 61 000-4-3
10 V/m field strength, 1 kHz 80% AM 80 – 1000 MHz
A PASS
3 V/m field strength, 1 kHz 80% AM 1400 – 2000 MHz
PASS
1 V/m field strength, 1 kHz 80% AM 2000 – 2700 MHz
PASS
Electrostatic Discharge, Immunity EN 61 000-4-2
±4 kV contact mode Discharge to HCP B PASS
±4 kV contact mode Discharge to VCP PASS
±4 kV contact mode Discharge to EUT metal parts2
PASS
±8 kV Air mode Discharge to EUT 3 NA
1 Not tested, very low risk of failure.2 Discharge was performed to the RJ-45 connector metal housing. But NOT directly to the MCU pins.3 No enclosure port to test
uServer Ver 1.1 – EMC Test RapportPage 3 of 13 pages
Test for ESD / Electro Static Discharge ±1 kV, ±2 kV, ±4 kV Contact mode Discharge to:
• Coupling to HCP • Coupling to VCP• Metallic housing of Ethernet connector
No fault was observed during the test.
uServer Ver 1.1 – EMC Test RapportPage 7 of 13 pages
Test setup – Immunity to Fast transients / Burst
Used test equipment: • Burst generator Skals Elektronik BG2-MkII J-EMC-0009 • Cable RG58/U J-EMC-0105 • ISN ISN340 J-EMC-0008 • Capacitive Clamp J-EMC-0362
Test for immunity to fast transients / Burst
Coupling Device Severity kV Verdict
Mains supply ISN340 ±1 PASS
Signal cables Capacitive clamp ±0,5 PASS
No fault was observed during the test.
uServer Ver 1.1 – EMC Test RapportPage 8 of 13 pages
Test setup – Immunity to Fast transients / Burst
Used test equipment: • Burst generator Skals Elektronik BG2-MkII J-EMC-0009 • Cable RG58/U J-EMC-0105 • ISN ISN340 J-EMC-0008 • Capacitive Clamp J-EMC-0362
Test for immunity to fast transients / Burst
Coupling Device Severity kV Verdict
Mains supply ISN340 ±1 PASS
Signal cables Capacitive clamp ±0,5 PASS
No fault was observed during the test.
uServer Ver 1.1 – EMC Test RapportPage 9 of 13 pages
Test setup – RF Field Immunity
Used test equipment: • Controller Fujitsu PC + SW J-EMC-0177 • Signal generator R&S SME03 J-EMC-0196 • Amplifier AR 50W1000BM2 J-EMC-0173 • Amplifier AR 30S1G3 J-EMC-0347 • Power meter IFR 8541C J-EMC-0174 • Directional Coupler AR DC7144 J-EMC-0371 • Directional Coupler AR DC6080 J-EMC-0373 • Cable EcoFlex10 J-EMC-kabel-034 • Cable Semi Rigid J-EMC-kabel-030
RF Field Immunity EN 61 000-4-3 3 V/m field strength, 1 kHz 80% AM 80 – 1000 MHz Performed in GTEM1750 cell Performed in X,Y,Z-axis
No fault was observed during the test.
uServer Ver 1.1 – EMC Test RapportPage 10 of 13 pages
Test Setup – radiated emission
Used test equipment: • Cable semi-ridig J-EMC-kabel-030 • Cable semi-ridig J-EMC-kabel-031 • Measurement receiver Schaffner SCR3502
¾ Measurement with CISPR compliant receiver in GTEM1750 ¾ Auxiliary equipment is placed outside of test chamber ¾ Measured in X,Y,Z-axis and co related to OATS requirements
Test Result – radiated emission
Radiated emission is within limits
uServer Ver 1.1 – EMC Test RapportPage 11 of 13 pages
Test setup – Conducted Emission on LAN cable
Conducted Emission pass the limits
uServer Ver 1.1 – EMC Test RapportPage 12 of 13 pages
Test Result – Conducted Emission on LAN cable
Conducted Emission pass the Limits for Quasi-Peak and Average measurement
uServer Ver 1.1 – EMC Test RapportPage 13 of 13 pages