Use As Acoustic Warning System With Test Function - Pfannenberg DS10-SIL Betriebsanleitung

T-
Proof Test
PFD
mean
PFH
SFF
DC
MTTR
λ
,Sounder
DUeff.
λ
,Sounder
S
λ
,Diagnosis
DU
λ
,Diagnosis
S
β (CCF)
λ
,complete
DU
λ
,complete
S
MTTFd
HFT
Category
SIL
Type
PL
The monitoring of the function of the sounder is used during the proof test. The 'proof test' is described in sec-
tion 4.10 of the operating instructions/safety manual.
4.4.2.2.
This monitoring can only be used with systems in low demand mode. The test function, as described in section
4.7, is taken into account. This must be automated and must take place at least ten to one hundred times more
often than the expected requirement rate. The system with test function, including the diagnosis and respective
measures in the fault message, must be in accordance with the requirements of the function safety according to
IEC/EN61508.
In the following, a requirement rate less frequent than once a year is assumed (low demand).
Automatic
test interval
Proof test interval
PFD
3,62E-04 2,81E-04 2,58E-04
mean
SFF
eq
DC
eq
MTTR
λ
, Sounder
D
λ
, Sounder
S
λ
Diagnosis
DU
λ
Diagnosis
S
β (CCF)
λ
complete
DU
λ
complete
S
MTTF
d
HFT
Architecture type
Suitability of the
system for use in
safety chains until
Category (DIN EN
ISO13849)
PL (DIN EN
ISO13849)
*
Because of the complex integration of the system in the checking processes of the operation, the system is classed as type B under inclu-
sion of the test releases and diagnosis in a superior control technology.
Datei/ file name:085501958h_D-GB-F-IT.docx
1a
1,66E-03
3,80E-07
95,3
0,0
1
372
182
77
7460
10
380
7710
>100
0
1
2
B
c

Use as acoustic warning system with test function

monthly weekly
(672h) (168h)
1 1
99,0 99,2
78,2 83,1
Seite / page: 27 / 68
15a
2,50E-02 1/requirement
%
%
h
Fit
Fit
Fit
Fit
%
Fit
Fit
a
1
c
daily monthly
(24h) (672h)
1 15
3,92E-03 3,84E-03
99,3 99,3
84,5 84,3
1
372
182
77
7460
10
380
7710
>100
0
*
B
2
2
c
weekly daily
(168h) (24h)
15 15
3,82E-03
99,3 99,3
84,6 84,7
Zeichnungsnr./ Drwg-no.: 30007-008-13h
a
1/ requirement
%
%
h
Fit
Fit
Fit
Fit
%
Fit
Fit
a