Vega VEGAPULS 64 - Input variable and output variable

73
11 Supplement
VEGAPULS 64 • Two-wire 4 … 20 mA/HART
51141-EN-210219
Input variable
Measured variable The measured quantity is the distance between the end
of the sensor antenna and the medium surface. The
reference plane for the measurement and the usable
measuring range are dependent on the antenna system.
2
1
3
2
1
3
Fig. 47: Data of the input variable
1 Reference plane (depending on the antenna system)
2 Measured variable, max. measuring range
3 Utilisable measuring range (depending on the antenna system)
Max. measuring range 30 m (98.43 ft)
Recommended measuring range (depending on the antenna system)
Ʋ Thread with integrated horn antenna
¾"
up to 10 m (32.81 ft)
Ʋ Thread with integrated horn antenna
1½"
up to 20 m (65.62 ft)
Ʋ Plastic horn antenna up to 30 m (98.43 ft)
Ʋ Flange,hygienicttingwithencapsu-
latedantennasystem≥DN50,2"
up to 25 m (82.02 ft)
Ʋ Flange,hygienicttingwithencapsu-
latedantennasystem≥DN80,3"
up to 30 m (98.43 ft)
Output variable
Output signal 4 … 20 mA/HART
Range of the output signal 3.8 … 20.5 mA/HART (default setting)
Signal resolution 0.3 µA
Resolution, digital 1 mm (0.039 in)
Fault signal, current output (adjustable) ≤3.6mA,≥21mA,lastvalidmeasuredvalue
Max. output current 22 mA
Starting current ≤3.6mA;≤10mAfor5msafterswitchingon
Load See load resistance under Power supply
Damping (63 % of the input variable),
adjustable
0 … 999 s