Technical data
4 Theoretical and general applications www.westermo.com
Contents
Data communication – not just cables and connectors ................................................................................... 10–13
Industrial data communication
......................................................................................................................................................................... 10
The industrial IT revolution ......................................................................................................................................................................... 10
Different standards
...................................................................................................................................................................................................
10
Industrial data communication ................................................................................................................................................................. 10
What is industrial data communication to us? ..............................................................................................................
11–13
No downtime
.................................................................................................................................................................................................................. 11
No maintenance
..........................................................................................................................................................................................................
11
Harsh environments.................................................................................................................................................................................................
11
Extended temperature range
...................................................................................................................................................................
11
Mechanical performance
..................................................................................................................................................................................
11
Galvanic isolation
........................................................................................................................................................................................................ 12
Transient suppression ...........................................................................................................................................................................................
12
Power supply ....................................................................................................................................................................................................................
12
Determinism
..................................................................................................................................................................................................................... 13
Approval .................................................................................................................................................................................................................................. 13
General technical data
..........................................................................................................................................................................................
14–23
Environmental and mechanical conditions ..................................................................................................................................... 14
Industrial environment ................................................................................................................................................................................................
14
Outdoor environmental
...........................................................................................................................................................................................
14
Electrical conditions
........................................................................................................................................................................................................ 15
1.1 General emissions
.......................................................................................................................................................................................... 16
1.2 ITE emissions
........................................................................................................................................................................................................
16
1.3 ITE immunity
.........................................................................................................................................................................................................
16
1.4 General immunity ........................................................................................................................................................................................... 17
1.5 EMC test method
..........................................................................................................................................................................................
17
EMC severity in different environments
............................................................................................................................................ 18
Residential
................................................................................................................................................................................................................. 18–20
Railway
........................................................................................................................................................................................................................... 18–20
Substation
.................................................................................................................................................................................................................. 18–20
Westermo
................................................................................................................................................................................................................
18–20
Safety conditions
................................................................................................................................................................................................................. 21
Installation conditions
................................................................................................................................................................................................... 21
1.6 Electrical safety
...................................................................................................................................................................................................
22
Enclosure
........................................................................................................................................................................................................................................
22
1.7 Degree of protection
................................................................................................................................................................................
22
1.8 Flammability
............................................................................................................................................................................................................ 23
2 Definitions
......................................................................................................................................................................................................................................
23
2.1 Rated voltage range
....................................................................................................................................................................................
23
2.2 Operating voltage range
......................................................................................................................................................................... 23
2.3 SELV ...................................................................................................................................................................................................................................
23
2.4 TNV-1
................................................................................................................................................................................................................................. 23
2.5 TNV-3
.............................................................................................................................................................................................................................. 23