VEGA VEGABAR 51 Foundation Fieldbus - Manual (Page 52)

52
10 Supplement
VEGABAR 51 • Foundation Fieldbus
36715-EN-130321
Ʋ Double chamber housing – 1 x cable entry M20 x 1.5 (cable: ø 5 … 9 mm), 1 x
blind plug M20 x 1.5; plug M12 x 1 for the external
display and adjustment unit (optional)
or:
– 1 x closing cap ½ NPT, 1 x blind plug ½ NPT, plug
M12 x 1 for the external display and adjustment unit
(optional)
or:
– 1 x plug (depending on the version), 1 x blind plug
M20 x 1.5; plug M12 x 1 for the external display and
adjustment unit (optional)
or:
– 2 x blind stoppers M20 x 1.5; plug M12 x 1 for the
external display and adjustment unit (optional)
Spring-loaded terminals for wire cross-
section
> 2.5 mm² (AWG 14)
Electromechanical data - version IP 66/IP 68 (1 bar)
Cable entry
Ʋ Single chamber housing – 1 x IP 68 cable gland M20 x 1.5; 1 x blind plug
M20 x 1.5
or:
– 1 x closing cap ½ NPT, 1 x blind plug ½ NPT
Connection cable
Ʋ Configuration four wires, one suspension wire, one breather capillary,
screen braiding, metal foil, mantle
Ʋ Wire cross-section 0.5 mm² (AWG 20)
Ʋ Wire resistance < 0.036 Ω/m (0.011 Ω/ft)
Ʋ Tensile strength > 1200 N (270 pounds force)
Ʋ Standard length 5 m (16.4 ft)
Ʋ Max. length 1000 m (3281 ft)
Ʋ Min. bending radius at 25 °C/77 °F 25 mm (0.985 in)
Ʋ Diameter approx. 8 mm (0.315 in)
Ʋ Colour - Non-Ex version Black
Ʋ Colour - Ex-version Blue
Electromechanical data - version IP 68
Connection cable between IP 68 instrument and external housing:
Ʋ Configuration four wires, one suspension wire, one breather capillary,
screen braiding, metal foil, mantle
Ʋ Wire cross-section 0.5 mm² (AWG 20)
Ʋ Wire resistance < 0.036 Ω/m (0.011 Ω/ft)
Ʋ Standard length 5 m (16.40 ft)
Ʋ Max. length 180 m (590.5 ft)
Ʋ Min. bending radius at 25 °C/77 °F 25 mm (0.985 in)