VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) standpipe ver. Foundation Fieldbus User Manual
Page 46
46
11 Supplement
VEGAPULS 66 standpipe version • Foundation Fieldbus
36526-EN-121011
3
4
2
1
Fig. 26: Data of the input variable
1 Reference plane
2 Measured variable, max. measuring range
3 Antenna length
4 Useful measuring range
Max. measuring range
35 m (114.83 ft)
Useful measuring range
According to the respective standpipe length.
1)
Min. distance
0 mm (0 in)
Output variable
Output
Ʋ Signal
digital output signal, Foundation Fieldbus protocol
Ʋ Physical layer
according to IEC 61158-2
Damping (63 % of the input variable)
0 … 999 s, adjustable
Channel Numbers
Ʋ Channel 1
Process value
Ʋ Channel 8
Electronics temperature
Ʋ Channel 9
Count rate
Transmission rate
31.25 Kbit/s
Current value
Ʋ Non-Ex and Ex ia instrument
10 mA, ±0.5 mA
Ʋ Ex d instruments
16 mA, ±0.5 mA
Resolution, digital
> 1 mm (0.039 in)
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
+18 … +30 °C (+64 … +86 °F)
Ʋ Relative humidity
45 … 75 %
Ʋ Air pressure
860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
1)
Standpipe supply Ex factory up to 5.85 m (19.19 ft)