Westermo FD-20 - Manual (Page 8)

8 6630-2220
Environmental
Temperature, operating –25 to 70°C
Temperature, storage
and transportation
–25 to 70°C
Relative humidity, operating 5 to 95 % (non-condensing)
Relative humidity, storage
and transportation
5 to 95 % (condensation allowed outside packaging)
Mechanical
Dimension (W x H x D) 55 x 100 x 132 mm (including connectors)
55 x 100 x 128 mm (enclosure)
Weight 0.3 kg
Mounting 35 mm DIN-rail
Degree of protection IP 20 (IEC 529)
Isolation between interfaces
Power to all other 1.0 kV RMS @ 50 Hz and 60 s duration
PROFIBUS DP to all other 1.0 kV RMS @ 50 Hz and 60 s duration
Internal
electronics
Power
PROFIBUS DP
RS-485
RS-232
Only one of RS-232 or
RS-485 can be connected
simultaneoysly
5. Maintenance
No maintenance is required, as long as the unit is used as intended within the specified
conditions.