4.4.4.9 Monitored data
Table 507: 46M Monitored data
Name
Type Values (Range) Unit Description
PICKUP_DUR FLOAT32 0.00...100.00 % Ratio of pickup time / trip time
T_ENARESTART INT32 0...10000 s Estimated time to reset of
block restart
46M Enum 1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Status
4.4.4.10 Technical data
Table 508: 46M 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
Pickup time
1)2)
Minimum Typical Maximum
I
Fault
= 2.0 × set
Pickup
value
23 25 ms 28 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <35 ms
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Trip 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,…
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)
Pickup value
multiples in range of 1.10...5.00
4.4.4.11 Technical revision history
Table 509: 46M Technical revision history
Technical revision
Change
B Internal improvement
C Internal improvement
1MAC059074-MB A Section 4
Protection functions
615 series ANSI 609
Technical Manual
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