General Device Data
313
7SS52 V4 Manual
C53000-G1176-C182-3
9.2
General Device Data
9.2.1
Analog Inputs and Outputs
Rated frequency
f
N
50 Hz or 60 Hz
(settable)
Current inputs
Rated current
I
N
1 A or 5 A
Thermal overload capability of current path
– continuous
4
×
I
N
– for 10 s
30
×
I
N
– for 1 s
100
×
I
N
Dynamic overload capability (1 half-cycle)
250
×
I
N
Power consumption
– at I
N
=
1 A
0.1 VA
– at I
N
=
5 A
0.2 VA
9.2.2
Rated Auxiliary Voltage
Rated auxiliary voltage U
aux
– Central unit
DC 48/60, 110/125, 220/250 V
– Bay unit
DC 48 to 250 V
Permissible tolerance
of rated auxiliary voltage U
aux
±
20%
Max. ripple
≤
15%
Power consumption
(dependent on station configuration)
Quiescent
– Central unit
30 to 120 W
Basic requirement of device:
approx. 15,0 W
per module ZPS:
approx. 9,0 W
per module ZPS2:
approx. 3,5 W
– Bay unit
12 W [10]
1)
Energized
– Central unit
35 to 135 W
– Bay unit
16 W [14]
1)
Bridging time during failure /
short circuit of auxiliary voltage
≥
50 ms (at U
aux
≥
60 V)
1)
Values in brackets [ ] for Bay unit 7SS525
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