Pilz PSSu E F 2DI 60-R - Manual (Page 28)

Technical details
Operating Manual PSSu E F 2DI 60­R
1002506­EN­02 28
8.1 Safety characteristic data
Operating
mode EN ISO
13849­1:
2008
PL
EN ISO
13849­1:
2008
Category
EN IEC
62061
SIL CL
EN IEC
62061
PFH
D
[1/h]
IEC 61511
SIL
IEC 61511
PFD
EN ISO
13849­1:
2008
T
M
[year]
1­channel PL d Cat. 2 SIL CL 2 8,18E­09 SIL 2 6,88E­04 20
2­channel PL e Cat. 4 SIL CL 3 1,38E­09 SIL 3 1,95E­05 20
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.