ABB REX 521 Technical Reference Manual, General page 53

1MRS 751108-MUM
Table 11.5.-1Class 1 data signals
Function block
IEC name
SYNC1 Synchro-check/voltage check, St 1, SC Ok
SYNC1 Synchro-check/voltage check, St 1, Alarm not passed
f1 Underfrequency or overfrequency, St1, START1
f1 Underfrequency or overfrequency, St1, TRIP1
f1 Underfrequency or overfrequency, St1, START2
f1 Underfrequency or overfrequency, St1, TRIP2
f2 Underfrequency or overfrequency, St2, START1
f2 Underfrequency or overfrequency, St2, TRIP1
f2 Underfrequency or overfrequency, St2, START2
f2 Underfrequency or overfrequency, St2, TRIP2
PQ 3Inf Current harmonic limit
PQ 3Unf Voltage waveform distortion measurement
AC fail
IRF test
IRF error
Local parameter setting done
Protection Relay
Technical Reference Manual, General
**) Breaker failure is generated by all the protection functions
Inf
St Ftyp GI Typ
Num
P 218 2 1 1
P 218 3 1 1
P 171 84 1 1
P 171 90 0 1
P 171 94 1 1
P 171 91 0 1
P 172 84 1 1
P 172 90 0 1
P 172 94 1 1
P 172 91 0 1
P 204 20 0 1
P 205 20 0 1
P 240 181 1 1
P 239 11 0 1
P 239 12 1 1
P 10 22 0 1
REX 521
Function block
COT
(ABB name)
1,9 SCVCSt1
1,9 SCVCSt1
1,9 Freq1St1
1 Freq1St1
1,9 Freq1St1
1 Freq1St1
1,9 Freq1St2
1 Freq1St2
1,9 Freq1St2
1 Freq1St2
1 PQCU3H
1 PQVO3H
1, 9 system
1 system
1, 9 system
1 system
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