Siemens 7SC80 Manual page 638

Functions, Settings, Information
F.2 Settings
Addr. Parameter
1344A 51N-3 measure.
1345 51N-3 PICKUP
1346 51N-3 T DIAL
1347 51N-3 Drop-out
1348 51N-3 IEC Cur.
1349 51N-3 T adder
1350A 51N-4 measure.
1351 51N-4 PICKUP
1352 51N-4 T DIAL
1353 51N-4 Drop-out
1354 51N-4 IEC Cur.
1355 51N-4 T adder
1356 51N-1 ANSI Cur.
638
Function C Setting Options
50/51 Overcur. Fundamental
True RMS
50/51 Overcur. 1A 0.05 .. 4.00 A; ∞
5A 0.25 .. 20.00 A; ∞
50/51 Overcur. 0.01 .. 20.00 sec; ∞ 0.20 sec
50/51 Overcur. Instantaneous
Disk Emulation
50/51 Overcur. NO
Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
50/51 Overcur. 0.00 .. 30.00 sec
50/51 Overcur. Fundamental
True RMS
50/51 Overcur. 1A 0.05 .. 4.00 A; ∞
5A 0.25 .. 20.00 A; ∞
50/51 Overcur. 0.01 .. 20.00 sec; ∞ 0.20 sec
50/51 Overcur. Instantaneous
Disk Emulation
50/51 Overcur. NO
Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
50/51 Overcur. 0.00 .. 30.00 sec
50/51 Overcur. NO
Very Inverse
Inverse
Short Inverse
Long Inverse
Moderately Inv.
Extremely Inv.
Definite Inv.
Default Setting Comments
Fundamental 51N-3 measurement of
0.20 A 51N-3 Pickup
1.00 A
51N-3 Time Dial
Disk Emulation Drop-Out Characteristic
Normal Inverse 51N-3 IEC Curve
0.00 sec Constant time adder
51N-3
Fundamental 51N-4 measurement of
0.20 A 51N-4 Pickup
1.00 A
51N-4 Time Dial
Disk Emulation Drop-Out Characteristic
Normal Inverse 51N-4 IEC Curve
0.00 sec Constant time adder
51N-4
NO 51N-1 ANSI Curve
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017