Hardware manual

LT System General Rules for Implementing
32
Electromagnetic Susceptibility
The LT meets electromagnetic susceptibility specifications as indicated in the table:
Mechanical shock
resistance
Mounted on a DIN rail
147 m/s
2
(15 g
n
) for a duration of 11 ms
Mounted on a panel
147 m/s
2
(15 g
n
) for a duration of 6 ms
Characteristic Specification
Characteristic Specification Range
Electrostatic discharge IEC/EN 61000-4-2 8 kV (air discharge)
6 kV (contact discharge)
Rediated radio
frecuency
ele
ctromagnetic fields
IEC/EN 61000-
4-3 10 V/m (80 MHz...3 GHz)
Fast transients / Burst
noise
IEC/EN 61000-4-4 Power lines: 2 kV
Digital I/O: 1 kV
Relay outputs: 2 kV
Ethernet line: 1 kV
COM line: 1 kV
CAN line: 1 kV
Surge immunity IEC/EN 61000-4-5 Power supply: CM: 1
kV; DM: 0.5 kV
Digital I/O: CM: 1 kV; DM: 0.5 kV
Shielded cable: 1 kV
CM = line-earth
DM = line-line
Condacted
distur
bances induced
by radio- frequency
fiel
ds
IEC/EN 61000-4-6 10 Veff (0.15...80 MHz)
Mains terminal
distur
bance voltage
EN 55011 (IEC/CISPR11) 150...500 kHz, quasi peak 79 dBµV
500 kHz...30 MHz, quasi peak
73
dBµV
Electric field strength EN 55011 (IEC/CISPR11) 30...230 MHz,
quasi peak 10 m@40 dBµV/m
230 MHz...1 GHz,
quasi peak 10 m@47 dBµV/m