ABB RELION REX640, Technical Manual, Page: 1556 / 1960

Table 1511: SECRSYN Monitored data
Name Type Values (Range) Unit Description
ENERG_STATE Enum
0=Unknown
1=Both Live
2=Live L, Dead B
3=Dead L, Live B
4=Both Dead
Energization state of
Line and Bus
U_DIFF_MEAS FLOAT32 -3.00...3.00 xUn Calculated voltage am-
plitude difference
FR_DIFF_MEAS FLOAT32 -1.500...1.500 xFn Calculated voltage fre-
quency difference
PH_DIFF_MEAS FLOAT32 -180.00...180.00 deg Calculated voltage
phase angle difference
U_DIFF_SYNC BOOLEAN
0=False
1=True
Voltage difference out
of limit for synchroniz-
ing
PH_DIF_SYNC BOOLEAN
0=False
1=True
Phase angle difference
out of limit for synchro-
nizing
FR_DIFF_SYNC BOOLEAN
0=False
1=True
Frequency difference
out of limit for synchro-
nizing
SECRSYN Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
9.5.10 Technical data
Table 1512: SECRSYN Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the voltage
measured: f
n
±1 Hz
Voltage:
±3.0 % of the set value or ±0.01 × U
n
Frequency:
±10 mHz
Phase angle:
±3°
Reset time <50 ms
Reset ratio Typically 0.96
Operate time accuracy in definite time mode ±1.0 % of the set value or ±20 ms
Control functions 1MRS759142 F
1556 REX640
Technical Manual