VEGA VEGABAR 54 4 … 20 mA_HART - Manual (Page 57)

57
10 Supplement
VEGABAR 54 • 4 … 20 mA/HART
36726-EN-130321
Overvoltage category III
Protection class II
Functional safety (SIL)
Functional safety is already activated on instruments with SIL qualification ex factory. On instru-
ments without SIL qualification ex factory, the functional safety must be activated by the user via
the display and adjustment module or via PACTware for applications according to SIL.
Functional safety according to IEC 61508-4
Ʋ Single channel architecture (1oo1D) up to SIL2
Ʋ double channel diversitary redundant
architecture (1oo2D)
up to SIL3
You can find detailed information in the supplied Safety Manual of the instrument series or under
"www.vega.com", "Downloads", "Approvals".
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments have to be carefully
noted. They 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".
10.2 Dimensions
The following dimensional drawings represent only an extract of the possible versions. Detailed
dimensional drawings can be downloaded on www.vega.com under "Downloads" and "Drawings".
The two chamber housings are not available with instruments with 4 … 20 mA signal output
Plastic housing
~ 69 mm
(2.72")
ø 79 mm
(3.03")
112 mm (4.41"
)
M20x1,5/
½ NPT
~ 84 mm (3.31")
M16x1,5
112 mm (4.41"
)
M20x1,5/
½ NPT
1 2
ø 79 mm
(3.31")
Fig. 27: Housing versions in protection IP 66/IP 68 (0.2 bar) - with integrated display and adjustment module the
housing is 9 mm/0.35 in higher
1 Single chamber version
2 Double chamber version