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VEGA VEGAFLEX 82 4 … 20 mA_HART two-wire User Manual

Page 78

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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