Emerson Rosemount 2051 Reference Manual page 107

Reference Manual
00809-0100-4107, Rev BA
Rosemount 2051 SIS reference
The Rosemount 2051 must be operated in accordance to the functional and performance
specifications provided in
Failure rate data
The FMEDA report includes failure rates and common cause Beta factor estimates.
The report is available at www.rosemount.com/safety.
Failure values
Safety accuracy: ±2.0%
Transmitter response time: 1.5 seconds
Self-diagnostics Test: At least once every 60 minutes
Product life
50 years - based on worst case component wear-out mechanisms - not based on wear-out of
process wetted materials
Report any safety related product information at:
http://rosemount.d1asia.ph/rosemount/safety/ReportAFailure_newweb.asp
Safety Instrumented Systems Requirements
Section 7: Safety Instrumented Systems Requirements
Appendix A: Specifications and Reference Data
.
April 2013
97