VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) enamel 4 … 20 mA_HART - four-wire - Manual (Page 59)

59
11 Supplement
VEGAPULS 66 enamel • 4 … 20 mA/HART - four-wire
36528-EN-121011
3
4
2
1
Fig. 42: 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 up to 35 m (114.83 ft)
Output variable
Output signals
4 … 20 mA/HART - active; 4 … 20 mA/HART - passive
Terminal voltage passive 9 … 30 V DC
Shortcircuit protection Available
Potential separation Available
Signal resolution 0.3 µA
Failure signal current output (adjustable) mA-value unchanged 20.5 mA, 22 mA, < 3.6 mA
Max. output current
22 mA
Starting current ≤ 3.6 mA
Load (4 … 20 mA/HART - active) < 500 Ω
Damping (63 % of the input variable) 0 … 999 s, adjustable
HART output values
Ʋ PV (Primary Value) Distance to the level
Ʋ SV (Secondary Value) Level as percentage value
Ʋ TV (Third Value) Linearised percentage value
Ʋ QV (Fourth Value) Scaled measured value
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 %