4.4.5.10
MNSPTOC Monitored data
Table 775: 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
4.4.5.11
Technical data
Table 776: 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
1, 2
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
Retardation time
<35 ms
Operate time accuracy in definite time mode
±1.0% of the set value or ±20 ms
Operate time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms
3
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
4.4.5.12
Technical revision history
Table 777: MNSPTOC Technical revision history
Product connectivity
level
Technical revision
Change
PCL2
E
Added new input
ST_EMERG_ENA
which al-
lows motor energization in an emergency
case
4.5
Voltage protection
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.
3
Start value multiples in range of 1.10...5.00.
Protection functions
1MRS759142 F
850
REX640
Technical Manual