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VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus User Manual

Page 59

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59

11 Supplement

VEGAPULS 66 • Foundation Fieldbus

36522-EN-121011

3

4

2

1

Fig. 47: 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)

Recommended measuring range

Ʋ Flange DN 150, 6"

up to 15 m (49.21 ft)

Ʋ Flange DN 250, 10"

up to 20 m (65.62 ft)

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)