PSEN opII4F Series
Operating Manual PSEN opII4F Series
1003502-EN-09
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}
The SIL CL value in accordance with EN 62061 corresponds to the SIL value in accord-
ance with EN 61508.
}
T
M
is the maximum mission time in accordance with EN ISO 13849-1. The value also ap-
plies as the retest interval in accordance with EN 61508-6 and IEC 61511 and as the
proof test interval and mission time in accordance with EN 62061.
All the units used within a safety function must be considered when calculating the safety
characteristic data.
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.