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6.2. Standards
1. EMC requirements
- Emission
1.1. Radiated emission IEC 60255-26
EN 55022
EN 55011
Radiated emission limit for Class A (group 1
for EN 55011) on Enclosure port. Frequency
range 30MHz - 230MHz (Quasi Peak
40dBμV/m). Frequency range 230MHz -
1000MHz (Quasi Peak 47dBμV/m)
1.2. Conducted emission IEC 60255-26
EN 55022
EN 55011
Conducted emission limit for Class A (group 1
for EN 55011) on Auxiliary power supply port.
Frequency range 0.15MHz
– 0.5MHz (Quasi
Peak 79μV, Avg 66μV). Frequency range
0.5MHz
– 30MHz (Quasi Peak 73μV, Avg
60μV)
- Immunity
1.3. 1MHz damped oscillatory
waves IEC 60255-26
IEC 61000-4-18
Class 3, Repetition frequency 400Hz, Duration
of
each application 3s.
Common mode for all terminals ±2.5kV.
Differential mode for all terminals excepts
Communication port ±1kV
1.4. Electrostatic discharge IEC 60255-26
IEC 61000-4-2
Level 4, Contact discharge ±8kV. Air discharge
±15kV
1.5. Radiated radiofrequency
electromagnetic fields
IEC 60255-26
IEC 61000-4-3
Level 3, Test field strenght 10V/m, Frequency
80MHZ - 1000MHz and 1400MHz - 2000MHz,
AM Modulation 80% for 1KHz carrier
sinusoidal signal
1.6. Electrical fast transients IEC 60255-26
IEC 61000-4-4
Level 4, Power supply to Earth terminals ±4kV,
Signal and control terminals ±2kV. Repetition
frequency 5KHz, Burst duration 75s.
1.7. Surge IEC 60255-26
IEC 61000-4-5
Level 4, Line to earth for all terminals ±4kV.
Line to Line for all terminals excepts
Communication port ±2kV
1.8. Conducted disturbance
induced by radio frequency fields
IEC 60255-26
IEC 61000-4-6
Level 3, Applied voltage 10V, Frequency
0.15MHz - 80 MHz, AM Modulation 80% for
1KHz carrier sinusoidal signal, Dwell time 1s.,
Test duration >10s.
1.9. Voltage dips, short
interruptions and voltage variations
IEC 60255-26
IEC 61000-4-11
IEC 61000-4-29
DC Voltage Dips: 40%, 130ms and 70%,
100ms,
3 times every 10s.
DC Voltage Interruption: 100ms, 3 times every
10s.
1.10. Ripple on DC input power
port IEC 60255-26
IEC 61000-4-17
Level 4, Ripple 15%, 50Hz and 100Hz
1.11. Power frequency magnetic
field IEC 60255-26
IEC 61000-4-8
Level 5, Continuous field strenght 100 A/m.
Short field strenght for a duration of 3s. 1000
A/m. Frequency 50Hz.
1.12. 100KHz damped oscillatory
waves IEC 61000-4-18 Class 3, Repetition frequency 40Hz, Duration
of each application 3s. Common mode:
±2.5kV. Differential mode: ±1kV