Vega VEGAPULS 67 Operating Instructions Manual page 71

Output variable
Output signals
Range of the output signal
Terminal voltage passive
Shortcircuit protection
Potential separation
Signal resolution
Failure signal current output (adjustable) mA-value unchanged 20.5 mA, 22 mA, < 3.6 mA
Max. output current
Starting current
Load (4 ... 20 mA/HART - active)
Damping (63 % of the input variable)
HART output values
Ʋ PV (Primary Value)
Ʋ SV (Secondary Value)
Ʋ TV (Third Value)
Ʋ QV (Fourth Value)
Resolution, digital
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
Installation reference conditions
Ʋ Min. distance to internal installations
Ʋ Reflector
Ʋ False reflections
Deviation with liquids
VEGAPULS 67 • 4 ... 20 mA/HART - four-wire
4 ... 20 mA/HART - active; 4 ... 20 mA/HART - passive
3.8 ... 20.5 mA/HART (default setting)
9 ... 30 V DC
Available
Available
0.3 µA
22 mA
≤ 3.6 mA
< 500 Ω
0 ... 999 s, adjustable
Distance
Percent
Lin. percent
Scaled
< 1 mm (0.039 in)
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
860 ... 1060 mbar/86 ... 106 kPa (12.5 ... 15.4 psig)
> 200 mm (7.874 in)
Flat plate reflector
Biggest false signal, 20 dB smaller than the useful signal
See following diagrams
11 Supplement
71