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
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