Rockwell Automation Publication 440R-UM014D-EN-P - December 2019
45
Regulatory Approval
Appendix B
SIL Rating
Safety relays meet the requirements in
IEC/EN 61508 and IEC 62061.
Table 16 - SIL Rating
Performance Level/Category
Safety relays can be used in safety systems that meet up to Category 4 and
Performance Level PLe in accordance with ISO 13849-1.
pertinent ratings for ISO 13849-1.
Table 17 - Performance Level/Category
Attribute
Rating
SIL CL [IEC/EN62061]
3
SIL [IEC/EN 61508, IEC/EN 61511]
3
Hardware Fault Tolerance, HFT
1
Diagnostic Coverage, DC
avg
[%]
99.0
Safe Failure Fraction, SFF [%]
99.7
PFHD [/h]
4.10E
-10
PFD
avg
1.42E
-04
T [years]
20
Attribute
Rating
Category
4
Performance Level
PLe
MTTF
d
[years]
93
Diagnostic Coverage, DC
avg
[%]
99.0
Days, d
op
[days/year]
365
Hours, h
op
[hours/day]
24
t
cycle
[s/cycle]
28.8E
+03
T [years]
20
Содержание Allen-Bradley Guardmaster 440R-S35011
Страница 12: ...12 Rockwell Automation Publication 440R UM014D EN P December 2019 Chapter 2 Installation Notes...
Страница 40: ...40 Rockwell Automation Publication 440R UM014D EN P December 2019 Chapter 8 Troubleshooting Notes...
Страница 46: ...46 Rockwell Automation Publication 440R UM014D EN P December 2019 Appendix B Regulatory Approval Notes...
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