beautypg.com

VEGA VEGAPULS 62 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire, approval according to LPR radio standard User Manual

Page 68

background image

Input variable

Measured variable

The measured quantity is the distance between
process fitting of the sensor and product surface.
The reference plane is the seal surface on the
hexagon or the lower side of the flange.

3

4

2

1

Fig. 47: Data of the input variable

1

Reference plane

2

Measured variable, max. measuring range

3

Antenna length

4

Useful measuring range

Max. measuring range

35 m (114.83 ft)

Output variable

Output signal

4 … 20 mA/HART

Fulfilled HART specification

7.0

Signal resolution

0.3 µA

Failure signal current output (adjustable)

mA-value unchanged 20.5 mA, 22 mA, < 3.6 mA

Max. output current

22 mA

Starting current

3.6 mA; ≤ 10 mA for 5 ms after switching on

Load

see load diagram under Power supply

Damping (63 % of the input variable),
adjustable

0 … 999 s

HART output values according to HART 7.0

1)

-

PV (Primary Value)

Distance to the level

-

SV (Secondary Value)

Level as percentage value

-

TV (Third Value)

Linearised percentage value

1)

Default values, can be assigned individually

68

VEGAPULS

62 • 4 … 20 mA/HART - two-wire, approval according to LPR radio standard

11 Supplement

41718

-EN

-120301