2 Functions
188
7UT613/63x Manual
C53000-G1176-C160-2
If the current exceeds the value indicated in address 2442 I Max InRr. E, no re-
straint will be provoked by the 2nd harmonic.
Additional Overcur-
rent Protection
Functions for Earth
Current
In the aforementioned description, the first overcurrent protection is described respec-
tively. The differences in the parameter addresses and message numbers of the first
and second overcurrent protection are illustrated in the following table. The positions
marked by x are identical.
2.5.8 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Ad-
ditional Settings.
The table indicates region-specific presettings. Column C (configuration) indicates the
corresponding secondary nominal current of the current transformer.
Addresses of the
parameters
Addresses of the
dynamic
parameters
Message no.
1. Overcurrent protection for earth current 24xx 25xx 024.xxxx(.01)
2. Overcurrent protection for earth current 38xx 39xx 325.xxxx(.01)
Addr. Parameter C Setting Options Default Setting Comments
2401 EARTH O/C ON
OFF
Block relay
OFF Earth Time Overcurrent
2402 InRushRestEarth ON
OFF
OFF InRush Restrained O/C
Earth
2408A IE MAN. CLOSE IE>> instant.
IE> instant.
IEp instant.
Inactive
IE>> instant. O/C IE Manual Close
Mode
2411 IE>> 1A 0.05 .. 35.00 A; ∞ 1.00 A IE>> Pickup
5A 0.25 .. 175.00 A; ∞ 5.00 A
2412 T IE>> 0.00 .. 60.00 sec; ∞ 1.50 sec T IE>> Time Delay
2413 IE> 1A 0.05 .. 35.00 A; ∞ 0.40 A IE> Pickup
5A 0.25 .. 175.00 A; ∞ 2.00 A
2414 T IE> 0.00 .. 60.00 sec; ∞ 2.00 sec T IE> Time Delay
2421 IEp 1A 0.05 .. 4.00 A 0.40 A IEp Pickup
5A 0.25 .. 20.00 A 2.00 A
2422 T IEp 0.05 .. 3.20 sec; ∞ 0.50 sec T IEp Time Dial
2423 D IEp 0.50 .. 15.00 ; ∞ 5.00 D IEp Time Dial
2424 TOC DROP-OUT Instantaneous
Disk Emulation
Disk Emulation TOC Drop-out Character-
istic
2425 IEC CURVE Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
Normal Inverse IEC Curve
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