ABB REU 523 Technical Reference Manual page 42

REU 523
42
Combined Overvoltage and Undervoltage Relay
Technical Reference Manual
The last five recorded values can be read with parameters V11...V100. Event n
denotes the last recorded value, n-1 the next one, and so forth.
Table 4.1.10.4-3 Recorded data
Recorded data
Maximum voltage measured at
the start of stage U> or U>>
Minimum voltage measured at
the start of stage U< or U<<
Voltage measured at the
moment of tripping
The minimum value of the
positive-phase-sequence
voltage at the start of stage U<
or U<<
Start duration, stage U>
Start duration, stage U>>
Start duration, stage U<
Start duration, stage U<<
Time stamp of the registered
value, date
Time stamp of the registered
value, time
Disturbance recorder
Table 4.1.10.4-4 Parameters for the disturbance recorder
Description
Manual triggering
Clear recorder memory
Sampling rate
Station identification/unit number M18
Rated frequency
Station name
Digital channel texts
Analogue channel texts
Analogue channel(s): rated
voltage and unit of primary voltage
transformer(s)
Post-triggering recording length
Internal trigger signals' checksum V241
Internal trigger signal's edge
External trigger signal (BI)
External trigger signal's edge
Event (R)
n n-1 n-2
V11 V31 V51
V12 V32 V52
V13 V33 V53
V14 V34 V54
V15 V35 V55
V16 V36 V56
V17 V37 V57
V18 V38 V58
V19 V39 V59
V20 V40 V60
Parameter R, W Value/Note
W 1
2)
M1
M2 W 1
3) R, W 800/960 Hz
M15
400/480 Hz
50/60 Hz
R, W 0...9999
M19 R 50 or 60 Hz
M20 R, W Max 16 characters
M40...47 R
M60...62 R
1) R, W Factor 0.00...600, unit (V, kV),
M80
e.g. 20.0, kV
R
M81, 82
V240 R, W 0...100%
R, W 0...127, see table 4.1.10.4-5
V242 R, W 0...127,
0 = rising, 1 = falling
V243 R, W 0/1, see table 4.1.10.4-6
V244 R, W 0/1,
0 = rising, 1 = falling
1MRS 750942-MUM
Value
n-3 n-4
V71 V91 0...2 x U
n
V72 V92 0...2 x U
n
V73 V93 0...2 x U
n
V74 V94 0...2 x U
n
V75 V95 0...100%
V76 V96 0...100%
V77 V97 0...100%
V78 V98 0...100%
V79 V99 YY-MM-DD
V80 V100 HH.MM;
SS.sss