Emerson Rosemount 2051 Reference Manual page 111

Reference Manual
00809-0100-4107
7.5.4 SIS reference
The product must be operated in accordance to the functional and performance
specifications provided in the
7.5.5 Failure rate data
The FMEDA Report
7.5.6 Failure values
• Safety accuracy: ±2.0 percent
• Transmitter response time: 1.5 seconds
• Self-diagnostics test: At least once every 60 minutes
7.5.7 Product life
50 years - based on worst case component wear-out mechanisms - not based on wear-out
of process wetted materials
Reference Manual
Product Data Sheet.
includes failure rates and common cause Beta factor estimates.
Safety Instrumented Systems Requirements
September 2020
111