Type tests and environmental conditions – Westermo DDW-142-485 User Manual
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6642-22511
Type tests and environmental conditions
Electromagnetic Compatibility
Environmental
phenomena
Basic
standard
Description
Test levels
Electrostatic discharge
EN 61000-4-2
Enclosure
Contact: ± 6 kV
Air: ± 8 kV
Fast transients
EN 61000-4-4
Power port
± 2 kV
Ethernet ports
± 2 kV
SHDSL ports
± 2 kV
RS-422/485 port
± 2 kV
Status out / Digital in
± 2 kV
Earth port
± 1 kV
Surge
EN 61000-4-5
Power port
L-L: ±0.5 kV, 2 Ω, 18 μF
L-E: ±0.5 kV, 12 Ω, 9 μF
L-E: ±2 kV, 42 Ω, 0.5 μF
L-L: ±1 kV, 42 Ω, 0.5 μF
Ethernet ports
(Shielded cable)
L-E: ±2 kV, 2 Ω
SHDSL ports
L-E: ±2 kV, 42 Ω, 0.5 μF
RS-422/485 port
L-E: ±2 kV, 2 Ω
Status out / Digital in
L-E: ±2 kV, 42 Ω, 0.5 μF
EN 55024
Ethernet ports
(Shielded cable)
L-E: ± 1kV, 15 Ω
SHDSL ports
L-E: ± 1kV, 40 Ω (15 + 25 Ω)
RS-422/485 port
L-E: ± 1kV, 40 Ω (15 + 25 Ω)
Status out / Digital in
L-E: ± 1kV, 40 Ω (15 + 25 Ω)
Pulse magnetic field
EN 61000-4-9
Enclosure
300 A/m
Radiated RF immunity
EN 61000-4-3
Enclosure
20 V/m 80% AM, 1 kHz sine, 80 – 1000 MHz
12 V/m 80% AM, 1 kHz sine, 1000 – 2700 MHz
Conducted RF
immunity
EN 61000-4-6
Power port
10 V, 80% AM, 1 kHz sine; 0.15 – 80 MHz
Ethernet ports
10 V, 80% AM, 1 kHz sine; 0.15 – 80 MHz
SHDSL ports
10 V, 80% AM, 1 kHz sine; 0.15 – 80 MHz
RS-422/485 port
10 V, 80% AM, 1 kHz sine; 0.15 – 80 MHz
Status out / Digital in
10 V, 80% AM, 1 kHz sine; 0.15 – 80 MHz
Earth port
10 V, 80% AM, 1 kHz sine; 0.15 – 80 MHz
Voltage dips
and interruption
EN 61000-4-29
DC Power port
10, 20 and 5000 ms, interruption
500 ms, 30% reduction
200 ms, 60% reduction
+20 above & –20% below rated voltage
Radiated RF emission
CISPR 16-2-3
ANSI C63.4
(FCC part 15)
Enclosure
Class B
Class B
Conducted RF
emission
CISPR 16-2-1
Power port
Class B
Class B
Ethernet ports
Class B
Class B