Vega VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) Profibus PA Bedienungsanleitung PDF herunterladen (Seite 65)

11 Supplement

VEGAPULS 61 • Probus PA

36501-EN-121011

Number of FBs with AI (function blocks

with analogue input)

Default values

Ʋ 1. FB PV

Ʋ 2. FB SV 1

Ʋ 3. FB SV 2

Current value

Ʋ Non-Ex and Ex ia instrument 10 mA, ±0.5 mA

Ʋ Ex-d instruments 16 mA, ±0.5 mA

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 > 200 mm (7.874 in)

Ʋ Reector Plane plate reector

Ʋ False reections Largest false echo 20 dB smaller than the useful echo

Deviation with liquids See following diagrams

0,5 m (1.6 ft)

10 mm (0.394 in)

- 10 mm (- 0.394 in)

2 mm (0.079 in)

- 2 mm (- 0.079 in)

1 2 3

Fig. 56: Deviation under reference conditions - encapsulated antenna system

1 Reference plane

2 Antenna edge

3 Recommended measuring range

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 87 88

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Vega VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) Profibus PA Bedienungsanleitung Seite 65