Addr. Parameter Function C Setting Options Default Setting Comments
2634 51-B TD IEC Back-Up O/C 0.05 .. 3.00 sec; ∞ 0.50 sec 51-B Time Dial for IEC
characteristic
2634 67-TOC TD IEC Back-Up O/C 0.05 .. 3.00 sec; ∞ 0.50 sec 67-TOC Time Dial for IEC
characteristic
2635 51-B TD ANSI Back-Up O/C 0.50 .. 15.00 ; ∞ 5.00 51-B Time Dial for ANSI
characteristic
2635 67-TOC TD ANSI Back-Up O/C 0.50 .. 15.00 ; ∞ 5.00 67-TOC Time Dial for ANSI
characteristic
2636 51-B AddT-DELAY Back-Up O/C 0.00 .. 30.00 sec 5.00 sec 51-B Additional Time
Delay
2636 67-TOC AddTDel. Back-Up O/C 0.00 .. 30.00 sec 5.00 sec 67-TOC Additional Time
Delay
2637 51-B Inrush Back-Up O/C NO
YES
NO 51-B Inrush blocking
2637 67-TOC Inrush Back-Up O/C NO
YES
NO 67-TOC Inrush blocking
2638 51N-B PICKUP Back-Up O/C 1A 0.05 .. 4.00 A; ∞ ∞ A 51N-B Pickup
5A 0.25 .. 20.00 A; ∞ ∞ A
2638 67N-TOC PICKUP Back-Up O/C 1A 0.05 .. 4.00 A; ∞ ∞ A 67N-TOC Pickup
threshold
5A 0.25 .. 20.00 A; ∞ ∞ A
2639 51N-B TD IEC Back-Up O/C 0.05 .. 3.00 sec; ∞ 0.50 sec 51N-B Time Dial for IEC
characteristic
2639 67N-TOC TD IEC Back-Up O/C 0.05 .. 3.00 sec; ∞ 0.50 sec 67N-TOC Time Dial for IEC
characteristic
2640 51N-B TD ANSI Back-Up O/C 0.50 .. 15.00 ; ∞ 5.00 51N-B Time Dial for ANSI
characteristic
2640 67N-TOC TD ANSI Back-Up O/C 0.50 .. 15.00 ; ∞ 5.00 67N-TOC Time Dial for
ANSI char.
2641 51N-B AddTdelay Back-Up O/C 0.00 .. 30.00 sec 0.00 sec 51N-B Additional Time
Delay
2641 67N-TOC AddTDel Back-Up O/C 0.00 .. 30.00 sec 0.00 sec 67N-TOC Additional Time
Delay
2642 IEC Curve Back-Up O/C Normal Inverse
Very Inverse
Extremely Inv.
LongTimeInverse
Normal Inverse IEC Curve
2642 IEC Curve Back-Up O/C Normal Inverse
Very Inverse
Extremely Inv.
LongTimeInverse
Normal Inverse IEC Curve
2643 ANSI Curve Back-Up O/C Inverse
Short Inverse
Long Inverse
Moderately Inv.
Very Inverse
Extremely Inv.
Definite Inv.
Inverse ANSI Curve
Functions, Settings, Information
F.2 Settings
SIPROTEC 4, 7SD80, Manual 343
E50417-G1100-C474-A2, Edition 02.2018