DC
D
75
%
MTBF
=
MTTF
+
MTTR
0
.
45
x
10
6
h
VEGAPULS
61
,
62
,
63
E
013
(
no measured value available
)
2
…
20
min
depending on the
application
E
042
/
E
043
(
hardware error
)
<
2
min
E
036
/
E
037
(
no executable sensor software
)
<
25
h
VEGAPULS
65
,
66
E
013
(
no measured value available
)
2
…
8
min
depending on the
application
E
042
/
E
043
(
hardware error
)
<
2
min
E
036
/
E
037
(
no executable sensor software
)
<
15
h
VEGAPULS
68
and
VEGAPULS
61
,
62
,
63
with increased
sensitivity
E
013
(
no measured value available
)
2
…
36
min
depending on the
application
E
042
/
E
043
(
hardware error
)
<
4
min
E
036
/
E
037
(
no executable sensor software
)
<
80
h
S
ingle channel architecture
1
oo
1
D
SIL
SIL
2
HFT
0
S
ensor type
T
ype
B
A
pplies to over
fi
ll and dry run protection
:
SFF
81
%
PFD
avg
T
P
roof
=
1
year
T
P
roof
=
5
years
<
0
.
157
x
10
-
2
<
0
.
779
x
10
-
2
F
ault reaction time
S
peci
fi
c characteristics
VEGAPULS
series
60
-
4
…
20
m
A
/
HART
11
F
unctional safety
31338
-
EN
-
070510
Summary of Contents for VEGAPULS 61
Page 1: ...Safety Manual VEGAPULS series 60 4 20 mA HART Radar...
Page 13: ...VEGAPULS series 60 4 20 mA HART 13 Functional safety 31338 EN 070510...
Page 14: ...14 VEGAPULS series 60 4 20 mA HART Functional safety 31338 EN 070510...
Page 15: ...VEGAPULS series 60 4 20 mA HART 15 Functional safety 31338 EN 070510...
