Vega VEGABAR 65 4 … 20 mA_HART User Manual download pdf (Page 55)

HART output values

- HART value (Prima

ry Value) Process pressure

- HART value (Secondary Value) Temperature

Signal resolution 1.6 µA

Failure signal current output (adjustable) mA-value unchanged 20.5 mA, 22 mA, < 3.6 mA

Max. output current 22 mA

Load see load diagram under Power supply

Fulﬁlled NAMUR recommendations NE 43

Dynamic behaviour output

Run-up time approx. 10 s

90 %

100 %

10 %

Fig. 29: Sudden change of

the process variable, dead time t

, rise time t

and step response time t

1 Process variable

2 Output signal

Dead time ≤ 150 ms

Rise time ≤ 100 ms (10 … 90 %)

Step response time ≤ 250 ms (ti: 0 s, 10 … 90 %)

Damping (63 % of the input variable) 0 … 999 s, adjustable

Input variable

Adjustment

Adjustment range of the min./max. adjustment relating to the nominal measuring range:

- percentage value -10 … 110 %

- pressure value -20 … 120 %

VEGABAR 65 • 4 … 20 mA/HART 55

10 Supplement

27531-EN-081209

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Vega VEGABAR 65 4 … 20 mA_HART User Manual Page 55