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Safety characteristic data
18
Safety characteristic data
Operating
EN ISO
mode
13849-1:
2015
PL
2-ch. OSSD PL e
Explanatory notes for the safety-related characteristic data:
}
Safety characteristic data in accordance with EN IEC 62061 and EN/IEC 61511 was cal-
culated based on EN/IEC 61508.
}
T
is the maximum mission time in accordance with EN ISO 13849-1. The value also ap-
M
plies as the retest interval in accordance with EN/IEC 61508-6 and EN/IEC 61511 and as
the proof test interval and mission time in accordance with EN IEC 62061.
All the units used within a safety function must be considered when calculating the safety
characteristic data.
Operating Manual PSEN sl2-IL1/2/3-P
1005909-EN-02
NOTICE
You must comply with the safety characteristic data in order to achieve the
required safety level for your plant/machine.
EN ISO
EN IEC
13849-1:
62061
2015
SIL CL/
Category
maximum
SIL
Cat. 4
SIL CL 3
INFORMATION
A safety function's SIL/PL values are not identical to the SIL/PL values of
the units that are used and may be different. We recommend that you use
the PAScal software tool to calculate the safety function's SIL/PL values.
NOTICE
Be sure that you observe the mechanical life. The safety characteristic data
are only valid as long as the values of mechanical life are met.
EN IEC
EN/IEC
62061
61511
PFH
[1/h]
SIL
D
5,41E-09
–
EN/IEC
EN ISO
61511
13849-1:
2015
PFD
T
[year]
M
1,20E-04
20
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