VEGA VEGAFLEX 81 4 … 20 mA_HART two-wire Coax probe - Manual (Page 75)

75
11 Supplement
VEGAFLEX 81 • 4 … 20 mA/HART two-wire
42279-EN-130612
Load see load under Power supply
Damping (63 % of the input variable),
adjustable
0 … 999 s
HART output values according to HART 7 (default setting) 2)
Ʋ First HART value (PV) Linearised percentage value, level (current output 1)
Ʋ Second HART value (SV) Distance to level (current output 2 - if available)
Ʋ Third HART value (TV) Measurement certainty, level
Ʋ Fourth HART value (QV) Electronics temperature
Ex-d-ia versions are not suitable for HART multidrop operation
Indication value - DIsplay and adjustment module
3)
Ʋ Displayed value 1 Filling height Level
Ʋ Displayed value 2 Electronics temperature
Resolution, digital < 1 mm (0.039 in)
Output variable - Second current output
For details on the operating voltage see chapter "Voltage supply"
Output signal
4 … 20 mA (passive)
Range of the output signal 3.8 … 20.5 mA (default setting)
Signal resolution 0.3 µA
Failure signal current output (adjustable) Last valid measured value, ≥ 21 mA, ≤ 3.6 mA
Max. output current
21.5 mA
Starting current ≤ 10 mA for 5 ms after switching on, ≤ 3.6 mA
Load Load resistor, see chapter "Voltage supply"
Damping (63 % of the input variable),
adjustable
0 … 999 s
Indication value - DIsplay and adjustment module 4)
Ʋ Displayed value 1 Filling height Level
Ʋ Displayed value 2 Electronics temperature
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)
Installation reference conditions
Ʋ Min. distance to installations > 500 mm (19.69 in)
2) The output values can be assigned individually
3) The indication values can be assigned individually
4) The indication values can be assigned individually