VEGA VEGAFLEX 65 4 … 20 mA_HART two-wire User Manual
Page 43
Input variable
M
easured variable
L
evel of liquids
M
in. dielectric figure of the medium
ε
r
>
1.4
2
4
5
3
1
2
4
5
3
1
Fig. 20: Measuring ranges of VEGAFLEX 65
1
Reference plane
2
Probe length L
3
Measuring range (default setting refers to the measuring range in water)
4
Upper dead band (see diagrams under Accuracy - grey section)
5
Lower dead band (see diagrams under Accuracy - grey section)
Output variable
O
utput signal
4 … 20
mA/HART
C
ycle time
min. 1 s (dependent on the parameter setting)
S
ignal resolution
1.6 µA
F
ailure signal current output (adjustable)
mA value unchanged 20.5 mA, 22 mA, < 3.6 mA
(
adjustable)
M
ax. output current
22
mA
L
oad
see load diagram under Power supply
D
amping (63 % of the input variable)
0 … 999
s, adjustable
F
ulfilled NAMUR recommendations
NE
43
HART
output values
-
1. HART
value (Primary Value)
D
istance to the level
VEGAFLEX
65 • 4 … 20
mA/HART - two-wire
43
10 S
upplement
31845
-
EN
-120329