Reading Out Information
219
7SS52 V4 Manual
C53000-G1176-C182-3
6.2.1.6 Statistics
from the PC
with DIGSI
To read out statistics annunciations of a single bay unit (PC linked to central unit or
bay unit) proceed as follows:
Open the corresponding bay unit in the DIGSI Manager.
Open the Select annunciation window.
Double-click Statistic. The corresponding contents of the statistics is displayed on
another window.
6.2.2 Reading Out Measured Values
The processing system determines operational measured values in the background.
The operational measured values can be retrieved from the display, read out via the
PC port using the PC, or they can be transmitted to a central station via the system
port.
No password is required for retrieving the measured values. After a few seconds the
values will be updated cyclically.
The possible measured value representation - as primary quantities or referenced to
the nominal value - are stated in Table 6-2, page 219.
Note
Statistics annunciations are only available for the bay units.
Table 6-2 Operational Measured Values
Measured values primary I I
N
Id
L1
, Id
L2
, Id
L3
Differential currents – % I
no
−
Is
L1
, Is
L2
, Is
L3
Restraint currents – % I
no
−
I
L1
, I
L2
, I
L3
Feeder currents A % I
no
% I
n
f
N
System frequency
(display only in the bay units)
Hz −−
Note
The percentages
I
no
refer to the normalized currents of the station, the percentages I
N
refer to the respective rated feeder current.
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