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Safety Instrumented Systems Requirements
January 2018
7. Remove the bypass and otherwise restore the normal operation.
8. Place the Security switch in the (
Note
The user determines the proof test requirements for impulse piping.
Automatic diagnostics are defined for the corrected % DU: The tests performed internally by the
device during runtime without requiring enabling or programming by the user.
7.6
Inspection
7.6.1
Visual inspection
Not required.
7.6.2
Special tools
Not required.
7.6.3
Product repair
The Rosemount 2051G is repairable with limited replacement options.
All failures detected by the transmitter diagnostics or by the proof-test must be reported. Feedback can
be submitted electronically at
All product repair and part replacement should be performed by qualified personnel.
7.6.4
Rosemount 2051G SIS reference
The Rosemount 2051G must be operated in accordance to the functional and performance
specifications provided in
7.6.5
Failure rate data
The FMEDA report includes failure rates.
The report is available under Certificates and Approvals at
Emerson.com/Automation-Solutions/Pressure/Rosemount-2051
7.6.6
Failure values
Safety Deviation (defines what is dangerous in a FMEDA): ±2.0% of analog output span
Transmitter response time: Reference section
Specification and Reference Data Self-diagnostics Test Interval: At least once every 60 minutes
7.6.7
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://www3.emersonprocess.com/Rosemount/SafetyWebApps/ReportAFailure_newweb.aspx
68
) position.
Emerson.com/Rosemount/Report-A-Failure.
"Specifications and Reference Data" on page
"Dynamic performance" on page 69
Reference Manual
00809-0400-4101, Rev BA
69.
from the
Safety Instrumented Systems Requirements
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