VEGA VEGAFLEX 82 4 … 20 mA_HART two-wire - Manual (Page 78)

78
11 Supplement
VEGAFLEX 82 • 4 … 20 mA/HART two-wire
41829-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)
Ʋ Vessel metallic, ø 1 m (3.281 ft), centric installation, process
fitting flush with the vessel ceiling
2) The output values can be assigned individually
3) The indication values can be assigned individually
4) The indication values can be assigned individually