Rockwell Automation 440C Guardmaster 440C-CR30 Configurable Safety Relay User Manual - Manual (Page 121)

Rockwell Automation Publication 440C-UM001C-EN-P - November 2014 121
Appendix
A
Specifications
SIL Rating The CR30 meets the requirements of SIL CL 3 in accordance with
IEC/EN 61508.
Table 19 - SIL Rating
Performance Level/Category The performance Level of the safety function is dependent on the structure of all
devices that comprise the safety function.
The CR30 is capable of being used in safety systems meeting up to Category 4
and Performance Level PLe in accordance with ISO 13849-1.
Table 20 - Performance Level/Category
Safety Integrity Level Claim Limit 3
PFD 1,76 10-3 (whole safety function)
PFH 1 10-8
Mode of Operation High-demand mode
Safety Related Subsystems Type B (use of programmable / complex components)
Hardware Fault Tolerance HFT = 1 (two channel system)
Safe Failure Fraction 90…99%
Category Up to 4
Performance Level Up to e