Siemens SIPROTEC User Manual

Functions
2.14 Instantaneous High-Current Switch-onto-Fault Protection (SOTF)
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
294
2.14.3 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Additional Settings.
The table indicates region-specific presettings. Column C (configuration) indicates the corresponding second-
ary nominal current of the current transformer.
2.14.4 Information List
Addr. Parameter C Setting Options Default Setting Comments
2401 FCT HS/SOTF-O/C ON
OFF
ON Inst. High Speed/SOTF-
O/C is
2404 I>>> 1A 0.10 .. 15.00 A; ∞ 1.50 A I>>> Pickup
5A 0.50 .. 75.00 A; ∞ 7.50 A
2405A I>>>> 1A 1.00 .. 25.00 A; ∞∞A I>>>> Pickup
5A 5.00 .. 125.00 A; ∞∞A
2406 CBaux for I>>> local only
local and rem.
local and rem. CB-aux check for activa-
tion of I>>>
No. Information Type of In-
formation
Comments
4253 >BLOCK SOTF-O/C SP >BLOCK Instantaneous SOTF Overcurrent
4271 SOTF-O/C OFF OUT SOTF-O/C is switched OFF
4272 SOTF-O/C BLOCK OUT SOTF-O/C is BLOCKED
4273 SOTF-O/C ACTIVE OUT SOTF-O/C is ACTIVE
4281 SOTF-O/C PICKUP OUT SOTF-O/C PICKED UP
4282 SOF O/CpickupL1 OUT SOTF-O/C Pickup L1
4283 SOF O/CpickupL2 OUT SOTF-O/C Pickup L2
4284 SOF O/CpickupL3 OUT SOTF-O/C Pickup L3
4285 I>>>>O/C p.upL1 OUT High Speed-O/C Pickup I>>>> L1
4286 I>>>>O/C p.upL2 OUT High Speed-O/C Pickup I>>>> L2
4287 I>>>>O/C p.upL3 OUT High Speed-O/C Pickup I>>>> L3
4289 HS/SOF TRIP1pL1 OUT High Speed/SOTF-O/C TRIP - Only L1
4290 HS/SOF TRIP1pL2 OUT High Speed/SOTF-O/C TRIP - Only L2
4291 HS/SOF TRIP1pL3 OUT High Speed/SOTF-O/C TRIP - Only L3
4292 HS/SOF TRIP 1p OUT High Speed/SOTF-O/C TRIP 1pole
4293 HS/SOF Gen.TRIP OUT High Speed/SOTF-O/C General TRIP
4294 HS/SOF TRIP 3p OUT High Speed/SOTF-O/C TRIP 3pole
4295 HS/SOF TRIPL123 OUT High Speed/SOTF-O/C TRIP command L123

Siemens SIPROTEC Specifications

General

Brand	Siemens
Model	SIPROTEC
Category	Protection Device
Language	English