EN
11583631.04 10/2017 EN/DE/FR/ES
WIKA safety manual temperature transmitter T32.xS
18
3.1 FMEDA Pt100 4-wire
(safety function for
4 … 20 mA output)
T32.xS
stand
alone
T32.xS with Pt100 4-wire
Close coupled
1)
Extension wire
2)
Low stress
3)
High stress
4)
Low stress
3)
High stress
4)
λ
DU
[FIT]
5)
10
16
150
130
1.410
λ
DD
[FIT]
5)
75
119
935
955
8.675
λ
SU
+λ
SD
[FIT]
5)
76
76
76
76
76
SFF Sensor/Transmitter
6)
- / 93,6 % 88,0 / 93,6 %
86,0 / 93,6 %
88,0 / 93,6 %
86,0 / 93,6 %
PFD
avg
for T
proof
1 year
7)
4,52 * 10
-5
7,15 * 10
-5
6,58 * 10
-4
5,71 * 10
-4
6,18 * 10
-3
DC diagnostic coverage
99,0 %
-
-
-
-
3.2 FMEDA Pt100 3-wire
(safety function for
4 … 20 mA output)
T32.xS
stand
alone
T32.xS with Pt100 3-wire
Close coupled
1)
Extension wire
2)
Low stress
3)
High stress
4)
Low stress
3)
High stress
4)
λ
DU
[FIT]
5)
10
19
200
183
1.910
λ
DD
[FIT]
5)
74
113
836
861
7.674
λ
SU
+λ
SD
[FIT]
5)
76
76
76
76
76
SFF Sensor/Transmitter
6)
- / 93,8 % 81,3 / 93,8 %
80,0 / 93,8 %
82,0 / 93,8 %
80,0 / 93,8 %
PFD
avg
for T
proof
1 year
7)
4,38 * 10
-5
8,32 * 10
-5
8,76 * 10
-4
8,01 * 10
-4
8,37 * 10
-3
DC diagnostic coverage
99,0 %
-
-
-
-
3.3 FMEDA Pt100 2-wire
(safety function for
4 … 20 mA output)
T32.xS
stand
alone
T32.xS with Pt100 2-wire
Close coupled
1)
Extension wire
2)
Low stress
3)
High stress
4)
Low stress
3)
High stress
4)
λ
DU
[FIT]
5)
10
19
200
183
1.910
λ
DD
[FIT]
5)
73
112
835
860
7.673
λ
SU
+λ
SD
[FIT]
5)
76
76
76
76
76
SFF Sensor/Transmitter
6)
- / 93,8 % 82,0 / 93,8 %
80,0 / 93,8 %
82,0 / 93,8 %
80,0 / 93,8 %
PFD
avg
for T
proof
1 year
7)
4,33 * 10
-5
8,12 * 10
-5
8,76 * 10
-4
8,01 * 10
-4
8,37 * 10
-3
DC diagnostic coverage
99,0 %
-
-
-
-
Page 2/4
SIL Declaration of Conformity
Functional safety per IEC 61508:2010
1) Close coupled: The temperature transmitter is located in the connection head of the electrical thermometer.
2) Extension wire: The temperature transmitter is located outside of the connection head of the electrical thermometer, for
example in a cabinet distant from the measuring point
3) Low stress applies to a low vibration environment or the use of a cushioned sensor. Operation below 67 % maximum
rating according to specification
4) High stress applies to a high vibration environment. Operation above 67 % maximum rating according to specification
5) FIT = Failure in time, Unit: Quantity of failures per 10
9
h
6) Green marked values: SFF sufficient for SIL 2
7) Green marked values: PFD
avg
< 35 % of the maximum allowed value for SIL 2 (PFD
avg
< 0,0035)
Yellow marked values: PFD
avg
< maximum allowed value for SIL 2 (PFD
avg
< 0,01)
Appendix: SIL declaration of conformity
