5.2. Type Tests and Environmental Conditions
Environmental
phenomena
Basic standard
Description
Test levels
ESD
EN 61000-4-2
Enclosure
Contact: ±6 kV
Air: ±8 kV
Fast transients
EN 61000-4-4
Power port
± 4 kV, direct coupling
Ethernet ports
± 4 kV, capacitive coupling clamp
Earth
Serial ports
I/O port
Surge
EN 61000-4-5
Power port
L-E: ± 2 kV, 12
Ω
, 9
μ
F, 1.2/50
μ
s
L-E: ± 2 kV, 42
Ω
, 0.5
μ
F, 1.2/50
μ
s
L-L: ± 1 kV, 2
Ω
, 18
μ
F, 1.2/50
μ
s
L-L: ± 1 kV, 42
Ω
, 0,5
μ
F, 1.2/50
μ
s
Ethernet ports
L-E: ± 2 kV, 2
Ω
, direct on shield, 1.2/50 µs
I/O port
L-E, L-L: ± 1 kV, 12
Ω
, 9
μ
F, 1.2/50
μ
s
L-E, L-L: ±2 kV, 42
Ω
, 0.5
μ
F, 1.2/50
μ
s
RS-232
L-E: ± 2 kV, 2
Ω
, 0,5 µF
RS-422/485
L-E: ± 2 kV, 42
Ω
, 0,5 µF
Power frequency magnetic
field
EN 61000-4-8
Enclosure
100 A/m; 50 Hz
Pulsed magnetic field
EN 61000-4-9
Enclosure
1000 A/m; 50 Hz
Radiated RF immunity
EN 61000-4-3
Enclosure
20 V/m at (80 - 3800) MHz
5 V/m at (2.7 - 6) GHz
1 kHz sine, 80% AM
Conducted RF immunity
EN 61000-4-6
Power port
10 V, 80% AM, 1 kHz; (0.15-80) MHz
Ethernet
I/O port
Serial ports
Earth
Radiated RF emission
EN 55032, EN
61000-6-4
Enclosure
Class B (Residential), 30 MHz to 6 GHz
Conducted RF emission
EN 55032,
EN61000-6-4
Power port
Class B
Ethernet
Class B
Dielectric strength
UL 62368-1
Power port to all other
ports
4 kVrms, 50 Hz, 1 min
UL 62368-1
I/O port to all other
ports
1.5 kVrms, 50 Hz, 1 min
RS-232 port to all other
ports
RS-422/485 port to all
other ports
UL 62368-1IEEE 802.3
Ethernet TX to all other
ports
4 kVrms, 50 Hz, 1 min
UL 62368-1IEEE 802.3
Ethernet SFP to all other
ports
1.5 kVrms, 50 Hz, 1 min
Table 7. EMC and electrical conditions
Merlin 4600 Series
19
