certificado exida
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The manufacturer
may use the mark:
Certificate / Certificat
Zertifikat / 認証
I/A Series 4-20mA HART
INV 061009 C001exida hereby confirms that the:
Invensys Foxboro
Foxboro, MA
USA
ressure ransm er with HW version 5 and SW version 5.0.0.2
Reports:
Inv 06-10-09 R001 V1R0
IEC 61508 Assessment IA
Series 4-20mA HART
Has been assessed per the relevant requirements of:
IEC 61508 Parts 1, 2, 3
and meets requirements providing a level of integrity to:
Validity:
This assessment is valid for
the IA Series 4-20mA HART
Pressure Transmitter.
Random Integrity: SIL 2 @ HFT=0,
SIL 3 @ HFT=1.
Safety Function:
-s assessmen s va un
July 1, 2011.
Revision 1.0 June 19, 2008
absolute or differential pressure. It subsequently communicates
this pressure level to a logic solver.
Application Restrictions:The unit must be properly designed into a Safety InstrumentedFunction er the Safet Manual re uirements onl the 4-20mA
Product Assessor
single output with HART Communication is certified for use infunctional safety applications.
®
Auditor
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ex a Certification S.A.
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Certificate / Certificat / Zertifikat / 認証
INV 061009 C001
Systematic Integrity: SIL 3 Capable
Random Integrity: SIL 2 @HFT=0,
SIL 3 HFT=1
I/A Series 4-20mAHART PressureTransmitter
Invensys Foxboro
SIL 3 Capability:
The product has met manufacturer design process requirements of Safety
Integrity Level (SIL) 3. These are intended to achieve sufficient integrity
against systematic errors of design by the manufacturer.
A Safety Instrumented Function (SIF) designed with this product must not
be used at a SIL level hi her than the stated without “ rior use” ustification
Device sd su1 dd du SFF
2
Invensys Foxboro I/A Series 4-20mAHART Pressure Transmitter
0 FIT 236 FIT 703 FIT 70 FIT 93.1%
, by end user or diverse technology redundancy in the design.
IEC 61508 Failure Rates
SIL Verification:
The Safety Integrity Level (SIL) of an entire Safety Instrumented Function
(SIF) must be verified via a calculation of PFDavg considering redundant
architectures, proof test interval, proof test effectiveness, any automatic
agnost cs, average repa r t me an t e spec c a ure rates o a
products included in the SIF. Each subsystem must be checked to assure
compliance with minimum hardware fault tolerance (HFT) requirements.
* FIT = 1 failure / 109 hours
Form Version Date
C61508 2.00 May 2008
®
Certification S.A.
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