ABB REL 551-C1*2.5 - Technical Data

102
Disturbance recorder (DR) Chapter 8
Monitoring
3.3 Technical data
Table 113: DR - Disturbance recorder setting performance
Table 114: DR - Disturbance recorder performance
Function Setting range
Overcurrent triggering 0-5000% of Inb in steps
of 1%
Undercurrent triggering 0-200% of Inb in steps of
1%
Overvoltage triggering 0-200% of Unb in steps
of 1% at 100 V sec.
Undervoltage triggering 0-110% of Unb in steps
of 1%
Data Value
Number of binary signals 48
Number of analog signals 10
Sampling rate 2 kHz
Recording bandwidth 5-250 Hz
Total recording time with ten analog and 48 binary signals recorded. (The
amount of harmonics can affect the maximum storage time)
40 s typically
Current channels Dynamic range Without DC offset (0.01-110.00) × I
r
With full DC offset (0.01-60.00) × I
r
Resolution 0.5 % of I
r
Accuracy at rated fre-
quency
I ≤ I
r
± 2.5 % of I
r
I > I
r
± 2.5 % of I