VEGA VEGABAR 81 4 … 20 mA - Operating Instructions - Manual (Page 62)

62
11 Supplement
VEGABAR 81 • 4 … 20 mA
45025-EN-131010
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
Integrated clock
Date format
Day.Month.Year
Time format 12 h/24 h
Time zone Ex factory CET
Rate deviation max. 10.5 min/year
Measurement electronics temerature
Resolution
1 °C (1.8 °F)
Accuracy ±1 °C (1.8 °F)
Voltage supply
Operating voltage U
B
Ʋ Non-Ex instrument 9.6 … 35 V DC
Ʋ Ex-d instrument 9.6 … 35 V DC
Ʋ Ex-ia instrument 9.6 … 30 V DC
Ʋ Ex-d-ia instrument 15 … 35 V DC
Ʋ Ex-d-ia instrument with ship approval 15 … 35 V DC
Interpolation protection Integrated
Permissible residual ripple - Non-Ex, Ex-ia instrument
Ʋ for U
N
12 V DC (9.6 V< U
B
< 14 V) ≤ 0.7 V
eff
(16 … 400 Hz)