Emerson Process Management ROSEMOUNT 5300 - Manual (Page 183)

Reference Manual
00809-0100-4530, Rev BA
July 2009
8-7
Rosemount 5300 Series
Inspection Visual Inspection
It is recommended to inspect the probe for possible build up or clogging.
Special Tools
Not required.
Product Repair
The Rosemount 5300 is repairable by major component replacement. All
failures detected by the transmitter diagnostics or by the proof test must be
reported. Feedback can be submitted electronically at
www.emersonprocess.com/rosemount/safety
(Contact Us).
REFERENCES
Specifications The Rosemount 5300 must be operated in accordance with the functional and
performance specifications provided in Appendix A: Reference Data.
Failure Rate Data The FMEDA report includes failure rates. The full report is accessible at
www.emersonprocess.com/rosemount/safety/PriorUse.htm.
Useful Lifetime The established failure rates of electrical components apply within the useful
lifetime, which should be based on experience. According to IEC 61508-2,
7.4.7.4, note 3, the useful lifetime often lies within a range of 8 to 12 years.
SPARE PARTS Additional spare parts are available in Appendix A: Reference Data.
TERMS AND
DEFINITIONS FMEDA: Failure Modes, Effects and Diagnostic Analysis
HART: Highway Addressable Remote Transducer
PFD
AVG
: Average Probability of Failure on Demand
SIF: Safety Instrumented Function
SIL: Safety Integrity Level, discrete level (one out of a possible four) for
specifying the safety integrity requirements of the safety functions to be
allocated to the E/E/PE safety-related systems, where Safety Integrity Level 4
has the highest level of safety integrity, and Safety Integrity Level 1 has the
lowest.
SIS: Safety Instrumented System – Implementation of one or more Safety
Instrumented Functions. A SIS is composed of any combination of sensor(s),
logic solver(s), and final element(s)
SFF: Safe Failure Fraction
Type B device: Complex device (using microcontrollers or programmable
logic)