IEC05000500-2-en.vsdx
Value
1
Y
t
Value
2
Value
3
Value
4
Value Reported
(1st)
Value Reported
Value
5
Value Reported
Y1
Y2
Y5
Value Reported
Value Reported
Y3
Y4
(*)Set value for t: XDbRepInt
t (*) t (*) t (*) t (*)
IEC05000500 V2 EN-US
Figure 259: Periodic reporting
Amplitude dead-band supervision
SEMOD54417-163 v6
If a measuring value is changed, compared to the last reported value, and the
change is larger than the ±ΔY pre-defined limits that are set by user (XDbRepInt),
then the measuring channel reports the new value to a higher level. This limits the
information flow to a minimum necessary. Figure 260 shows an example with the
amplitude dead-band supervision. The picture is simplified: the process is not
continuous but the values are evaluated with a time interval of one execution cycle
from each other.
1MRK 505 394-UEN A Section 15
Monitoring
Line differential protection RED650 2.2 IEC 521
Technical manual
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