VEGA VEGABAR 87 Modbus and Levelmaster protocol - Operating Instructions - Manual (Page 59)

59
10 Supplement
VEGABAR 87 • Modbus and Levelmaster protocol
46297-EN-131107
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)
Ʋ Diameter approx. 8 mm (0.315 in)
Ʋ Colour Blue
Cable entry/plug 2)
Ʋ External housing – 1 x cable gland M20 x 1.5 (cable: ø 5 … 9 mm), 1 x
blind plug M20 x 1.5
or:
– 1␣x plug (depending on the version), 1␣x blind stopper
M20␣x␣1.5
Spring-loaded terminals for wire cross-
section up to
2.5 mm² (AWG 14)
Display and adjustment module
Display element
Display with backlight
Measured value indication
Ʋ Number of digits 5
Ʋ Size of digits W x H = 7 x 13 mm
Adjustment elements 4 keys
Protection rating
Ʋ unassembled IP 20
Ʋ mounted into the housing without
cover
IP 40
Materials
Ʋ Housing ABS
Ʋ Inspection window Polyester foil
Interface to the external display and adjustment unit
Data transmission
digital (I²C-Bus)
Configuration, connection cable 4-wire, screened
Cable length max.
Ʋ Sensors with signal output
4 … 20 mA, 4 … 20 mA/HART
50 m
Ʋ Sensors with signal output Profibus
PA, Foundation Fieldbus
25 m
2) Depending on the version M12 x 1, according to ISO 4400, Harting, 7/8" FF.