Siemens SIMEAS P 7KG7750, Руководство по эксплуатации, Страница: 57 / 88

55
2.9
Technical Data
Input signals Only for connection to AC systems
AC voltage inputs U
I
3 voltage inputs
Max. system voltage
Y 400 V /
∆
690 V
Overload 20 %
Frequency range f
i
45 Hz to 65 Hz, min. > 30 % U
IN
Waveform Sinusoidal or distorted up to the
21st harmonic
Input voltage U
i
100 V/110 V; 190 V; 400 V;
690 V (L-L)
Continuous overload capacity
Surge withstand capability
1.5 x U
i
2.0 x U
i
Input resistance (L - N)
3 phases symmetrical: 4.2 M
Ω
1 phase: 8.4 M
Ω
Power consumption per phase 38 mW (U
LE
= 400 V)
AC current inputs
I
I
3 current inputs
Input current I
i
1 A; 5 A
Maximum voltage AC: 150 V
Continuous overload
Surge withstand capability
10 A
100 A for 1 s
Power consumption per phase 83 µVA at 1 A; 2.1 mVA at 5 A
Binary inputs (optional)
Max. input voltage DC: 300 V
Current consumption for high
level
1.8 mA
Threshold voltage low
≤
10 V
Threshold voltage high
≥
19 V
Signal delay max. 3 ms
Analog inputs
(optional)
Measuring range DC: 0 to 20 mA
Input range DC: 0 to 24 mA
Input resistance
50
Ω ±
0.1 %
Accuracy 0.5 % of the measuring range limit