Instruction Manual PROTECT-PSC
V 2.6R01 / 04.19
1
–11
Either by means of the process (application) or by means of organisational
measures, it must be ensured that the safety function is requested at least once
per year.
Every element of the chain must satisfy all requirements (e.g. restrictions of the
safety integrity of the hardware due to the architecture) of the resultant SIL
In order to determine the SIL, the PFH or PFD factors of the chain (sensor
PROTECT-PSC
actuator) must be added together depending on the operating
mode. The resultant SIL can be determined using the following tables.
PFD
i
SIL
10
-4
bis < 10
-3
3
10
-3
bis < 10
-2
2
10
-2
bis < 10
-1
1
T
T
a
a
b
b
l
l
e
e
1
1
-
-
3
3
O
O
p
p
e
e
r
r
a
a
t
t
i
i
n
n
g
g
m
m
o
o
d
d
e
e
w
w
i
i
t
t
h
h
l
l
o
o
w
w
d
d
e
e
m
m
a
a
n
n
d
d
r
r
a
a
t
t
e
e
PFH
i
SIL
10
-8
bis < 10
-7
3
10
-7
bis < 10
-6
2
10
-6
bis < 10
-5
1
T
T
a
a
b
b
l
l
e
e
1
1
-
-
4
4
O
O
p
p
e
e
r
r
a
a
t
t
i
i
n
n
g
g
m
m
o
o
d
d
e
e
w
w
i
i
t
t
h
h
h
h
i
i
g
g
h
h
d
d
e
e
m
m
a
a
n
n
d
d
r
r
a
a
t
t
e
e
/
/
c
c
o
o
n
n
t
t
i
i
n
n
u
u
o
o
u
u
s
s
d
d
e
e
m
m
a
a
n
n
d
d
Summary of Contents for PROTECT-PSC
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Page 8: ......
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Page 265: ...Annex 8 Instruction Manual PROTECT PSC V 2 6R01 04 19 8 5 8 3 EC Type Examination certificate ...
Page 266: ...Annex 8 Instruction Manual PROTECT PSC V 2 6R01 04 19 8 6 8 4 Declarations of conformity W ...
Page 267: ...Annex 8 Instruction Manual PROTECT PSC V 2 6R01 04 19 8 7 8 5 Index ...
