ABB RELION REX640 Technical Manual page 850

Protection functions
4.4.5.10 MNSPTOC Monitored data
Table 775: MNSPTOC Monitored data
Name Type
START_DUR FLOAT32
T_ENARESTART INT32
MNSPTOC Enum
4.4.5.11 Technical data
Table 776: MNSPTOC Technical data
Characteristic
Operation accuracy
1, 2
Start time I
Fault
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
4.4.5.12 Technical revision history
Table 777: MNSPTOC Technical revision history
Product connectivity
level
PCL2
4.5 Voltage protection
1
Negative-sequence current before = 0.0, f
1000 measurements.
2
Includes the delay of the signal output contact.
3 Start value multiples in range of 1.10...5.00.
850
Values (Range)
0.00...100.00
0...10000
1=on
2=blocked
3=test
4=test/blocked
5=off
Start value
= 2.0 × set
Technical revision
E
n
Unit
%
s
Value
Depending on the frequency of the measured current: f
±1.5% of the set value or ±0.002 × I
Minimum Typical
23 25 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n × f , where n = 2, 3, 4, 5,...
n
Change
Added new input
lows motor energization in an emergency
case
= 50 Hz, results based on statistical distribution of
1MRS759142 F
Description
Ratio of start time / op-
erate time
Estimated time to reset
of block restart
Status
n
n
Maximum
28 ms
3
which al-
ST_EMERG_ENA
REX640
Technical Manual