ABB REG650 Technical Manual page 378

Section 13
Monitoring
Y
Value Reported
(1st)
(*)Set value for t: XDbRepInt
IEC05000500 V1 EN
Figure 190: Periodic reporting
372
Value Reported
Y2
Y1
t (*)
Amplitude dead-band supervision
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 (XZeroDb),
then the measuring channel reports the new value to a higher level, if this is
detected by a new measured value. This limits the information flow to a minimum
necessary. Figure 191
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.
Value Reported
Y3
t (*) t (*)
shows an example with the amplitude dead-band
1MRK 502 034-UEN -
Value Reported
Value Reported
Y4
Y5
t (*)
Technical Manual
t
en05000500.vsd