VEGA VEGAFLEX 66 (-20…+250°C) 4 … 20 mA_HART two-wire - Manual (Page 57)

P rotection class II
Functional safety (SIL)
F unctional safety is already activated on instruments with SIL qualification ex factory. On
instruments without SIL qualification ex factory, the functional safety must be activated by the user
via the indicating and adjustment module or via PACTware for applications according to SIL.
F unctional safety according to IEC 61508-4
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S ingle channel architecture (1oo1D) up to SIL2
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double channel diversitary redundant
architecture (1oo2D) up to SIL3
Y ou can find detailed information in the supplied Safety Manual of the instrument series or under
" www.vega.com", "Downloads", "Approvals".
Approvals
D epending on the version, instruments with approvals can have different technical data.
F or these instruments, the corresponding approval documents have to be taken into account.
T hese are part of the delivery or can be downloaded under www.vega.com via "VEGA Tools" and
" serial number search" as well as via "Downloads" and "Approvals".
VEGAFLEX 66 • 4 … 20 mA/HART two-wire 57
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