Operate And Reset Time (46It) - Siemens 7SR242 Duobias Technical Manual

2.5.6

Operate and Reset Time (46IT)

Attribute
Starter operate time ( 2xIs)
t Operate time
op
Reset time
Repeatability
Overshoot time
Disengaging time
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char = IEC-NI,
IEC-VI,
IEC-EI,
IEC-LTI
char = ANSI-MI,
ANSI-VI,
ANSI-EI
char = DTL
ANSI DECAYING
t
res
Chapter 3) 7SR242 Duobias Performance Specification
Value
35 ms, 10ms
K
t Tm , 5 % absolute or
op
I
1
Is
for char = IEC-NI : K = 0.14,
IEC-VI : K = 13.5,
IEC-EI : K = 80.0,
IEC-LTI : K = 120.0,
A
t B Tm
op
P
I
1
Is
for char = ANSI-MI : A = 0.0515, B = 0.114, P = 0.02
ANSI-VI : A = 19.61, B = 0.491, P = 2.0
ANSI-EI : A = 28.2,
t , 1 % or 20ms
d
R
t Tm
,
res
2
I
1
Is
for char = ANSI-MI : R = 4.85
ANSI-VI : R = 21.6
ANSI-EI : R = 29.1
t , 1 % or 20ms
res
1 % or 20ms
< 40 ms
< 60 ms
50 ms,
= 0.02
= 1.0
= 2.0
= 1.0
, 5 % absolute or 50 ms,
B = 0.1217, P = 2.0
5 % absolute or 50 ms,
Chapter 3 Page 25 of 50