Endress+Hauser RIA 550 Manual De Utilización página 36

Process display
34
Ambient operation temperature
0° C...+50° C, KWF to DIN 40040
rel humidity <= 75 % yearly average without condensati-
on.
Storage temperature
-20° C ... +70° C
Influencing effects
Power failure:
<20 ms, no effect
>20 ms, automatic restart
Burst: to IEC 801-4 Supply cable
2 kV, Signal cable 2 kV
ESD: to IEC 801-2 6 kV contact discharge
Electromagnetic fields:
to IEC 801-3 10 V/m
HF immunity conducted:
to IEC 801-6 10 V
Surge: to IEC 1-5 Supply cable
1.0 kV sym., 2 kV unsym.
Signal cable to 1 kV unsym.
(with external over voltage protection).
Transmissions
RF protection: to EN 55011/VDE 0875, Part 11,
Class A (industrial areas)
Harmonics to IEC 555-2.
Standard input signals:
0...1/10 V, Ri = 1 MOhm
0/4...20 mA, Ri = 50 Ohm
Basic accuracy:
Temperature drift:
Over range:
Max. input current:
Common mode noise rejection: 0.1 % Measurement
Normal mode noise rejection: 40 dB at measurement
Allowable input voltage range:
± 60 V (differential mode)
Allowable common voltage range:
± 100 V (common mode)
No dangerous voltages.
Technical data
0.25 % v.E.
0.25 % / 10 K
10 %
100 mA
range at 63 V 50/60 Hz
range/10, 50...60 Hz