Siemens SITRANS FC330, Руководство по эксплуатации, Страница: 195 / 280

Technical data
11
Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves the
right to change them at any time.
11.1 Power
Table 11-1 Power supply
Description Specification
Supply voltage ● 100 to 240 V AC, 47 to 63 Hz 30 VA
● 19,2 - 28,8 V DC 11 W
Environmental conditions:
● Transient over voltages up to the levels of
overvoltage category II
● Temporary over voltages occurring on mains
supply only
● POLLUTION DEGREE 2.
● MAINS AC supply voltage fluctuations up to
±10 % of the nominal voltage.
● Altitude up to 2 000 m
Reverse polarity protection (y / n) Y
Galvanic isolation 2500 V AC
11.2 Performance
Table 11-2 Reference conditions
Description Specification
Process media Water
Process media temperature 20 °C (68 °F)
Ambient temperature 25 °C (77 °F)
Process media pressure 2 bar (29 psi)
Process media density 0.997 g/cm
3
(62.2 lb/ft
3
)
Reference device orientation Horizontal installation, tubes down, flow in direction of arrow on casing,
see Installing/Mounting (Page 37).
SITRANS FC330
Operating Instructions, 01/2019, A5E44030648-AB
195