Sil Qualification According To Iec 61508; Namur Recommendations; Installation And Operation In The Usa And Canada; Environmental Instructions - Vega VEGABAR 81 Operating Instructions Manual

2 For your safety
6
The EU conformity declaration can be found on our homepage.
Due to the design of its process fittings, the device does not subject
of EU pressure device directive if it is operated at process pressures
≤ 200 bar.
1)
2.6 SIL qualification according to IEC 61508
The Safety Integrity Level (SIL) of an electronic system is used to as-
sess the reliability of integrated safety functions.
For detailed specification of the safety requirements, multiple SIL
levels are specified according to safety standard IEC 61508. You can
find detailed information in chapter " Functional safety (SIL)" of the
operating instructions.
The instrument meets the specifications of IEC 61508: 2010 (Edi-
tion 2). It is qualified for single-channel operation up to SIL2. The
instrument can be used homogeneously redundant up to SIL3 in
multi-channel architecture with HFT 1.
2.7

NAMUR recommendations

NAMUR is the automation technology user association in the process
industry in Germany. The published NAMUR recommendations are
accepted as the standard in field instrumentation.
The device fulfils the requirements of the following NAMUR recom-
mendations:
•
NE 21 – Electromagnetic compatibility of equipment
•
NE 43 – Signal level for fault information from measuring transduc-
ers
•
NE 53 – Compatibility of field devices and display/adjustment
components
•
NE 107 – Self-monitoring and diagnosis of field devices
For further information see www.namur.de.
2.8 Installation and operation in the USA and
Canada
This information is only valid for USA and Canada. Hence the follow-
ing text is only available in the English language.
Installations in the US shall comply with the relevant requirements of
the National Electrical Code (ANSI/NFPA 70).
Installations in Canada shall comply with the relevant requirements of
the Canadian Electrical Code
A Class 2 power supply unit has to be used for the installation in the
USA and Canada.
2.9

Environmental instructions

Protection of the environment is one of our most important duties.
That is why we have introduced an environment management system
Exception: Versions with measuring ranges from 250 bar. These are subject
1)
of the EU Pressure Device Directive.
VEGABAR 81 • 4 ... 20 mA/HART