ABB Relion 620 Series, Technical Manual, Page: 629 / 1224

Table 566: MNSPTOC Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Maximum operate
time
500000...7200000 ms 1000 1000000 Max operate time
regardless of the
inverse characteris-
tic
Minimum operate
time
100...120000 ms 1 100 Minimum operate
time for IDMT
curves
Cooling time 5...7200 s 1 50 Time required to
cool the machine
Table 567: MNSPTOC Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Current reference 0.30...2.00 xIn 0.01 1.00 Rated current (Ir) of
the machine (used
only in the IDMT)
Reset delay time 0...60000 ms 1 20 Reset delay time
4.4.4.9 Monitored data
Table 568: MNSPTOC Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time / op-
erate time
T_ENARESTART INT32 0...10000 s Estimated time to reset
of block restart
MNSPTOC Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.4.4.10 Technical data
Table 569: MNSPTOC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured current: f
n
±1.5% of the set value or ±0.002 × I
n
Start time , I
Fault
= 2.0 × set Start value Minimum Typical Maximum
23 25 ms 28 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Table continues on the next page
1
Negative-sequence current before = 0.0, f
n
= 50 Hz, results based on statistical distribution of
1000 measurements.
2
Includes the delay of the signal output contact.
1MRS757644 H Protection functions
620 series
Technical Manual
629