Siemens 7SR224 Argus Manual page 12

50 (67) Instantaneous & DTL OC&EF (Directional)
Operation
Elements
Number of Elements
Setting Range Is
Time Delay
Operate Level I
op
Reset Level
Operate time:
50
Operate time following
delay
Inhibited by
51(67) Time Delayed OC&EF (Directional)
Elements
Number of Elements
Operation
Characteristic
Setting Range Is
Time Multiplier
Time Delay
Operate Level I
op
Reset Level
Minimum Operate time
IEC
ANSI
Follower Delay
Reset
Inhibited by
51V Voltage Controlled Overcurrent
Setting Range
Operate Level
Multiplier
Inhibited by
Siemens Protection Devices Limited
Non directional, Forward or
reverse
Phase and Measured Earth
4 x OC
4 x Measured EF 'G' where fitted
4 x SEF where fitted
0.05,0.06...50 x In
SEF 0.005...5 x In
0.00...14400s
100% Is, ±5% or ±1%xIn
≥ 95 % Iop
0 to 2xIs – 35ms, ±10ms,
0 to 5xIs – 25ms, ±10ms
Tbasic +td , ±1% or ±10ms
Binary or Virtual Input
Inrush detector
VT Supervision
Phase, Measured Earth & SEF
4 x OC
4 x Measured EF 'G'
4 x SEF
Non directional, Forward or
reverse
IEC NI,VI,EI,LTI ANSI MI,VI,EI &
DTL & Legacy (101 etc.)
0.05,0.1...2.5 x In
SEF 0.005...1 x In
0.025,0.03...1.6,1.7... 5,6... 100
0,0.01... 20s
105% Is, ±4% or ±1%xIn
≥ 95 % Iop
K
t Tm
= ×
[ ]
op α
− 1
I
Is
 
A
t = + B ×  Tm

[ ]
op
P
− 1
I
 
Is
± 5 % absolute or ± 30 ms
0 - 20s
ANSI decaying, 0 – 60s
Binary or Virtual Input
Inrush detector
VT Supervision
5,5.5...200V
100% Vs, ±5% or ±1%xVn
0.25.0.3...1 x Is(51)
VT Supervision
50BF Circuit Breaker Fail
Operation
Setting Range Is
2 Stage Time Delays
Operate Level
Basic Operate time
Operate time following
delay
Triggered by
Inhibited by
Timer By pass
59N Neutral Voltage Displacement
Number of Elements
DT Setting Range Is
DT Operate Level
DT Delay Setting td
DT Basic Operate Time
0V to 1.5xVs
DT Operate time
following delay.
IT Setting Range
TM Time
Multiplier(IDMT)
Delay (DTL)
Reset
Char Operate Level
Inhibited by
60 Supervision
CT
VT
64H Restricted Earth Fault
Setting Range
Operate Level
Time Delay
Basic Operate Time
Inhibited by
Current check - Phase and
Measured Earth with
independent settings
Mechanical Trip
CB Faulty Monitor
0.05,0.055...2.0 x In
Timer 1 20...60000ms
Timer 2 20...60000ms
100% Is, ±5% or ±1%xIn
< 20ms
Tdelay ±1% or ±10ms
Any function mapped as trip
contact.
Binary/Virtual Input
Yes, 50BF CB Faulty Input
1xDT & 1xIT
1...100V
100% Vs, ±5% or ±1%xVn
0 ...14400s
76ms ±20ms
Tbasic +td , ±1% or ±20ms
1...100V
0.1...140
0...20s
0 ... 60s, ANSI decaying
105% Vs, ±2% or ±0.5V
Binary or Virtual Input
Vnps & Inps
nps/zps
0.005...0.95xIn
100% Is, ±5% or ±1%xIn
0.00... 14400s
0 to 2 xIs 45ms ±10ms
0 to 5 xIs 35ms ±10ms
Binary or Virtual Input
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