VEGA VEGAFLEX 67 (-40…+150°C) 4 … 20 mA_HART two-wire - Manual (Page 49)

1
0
m
(3
2
.82
ft
)
1
1
m
(3
6
.09
ft
)
1
2
m
(3
9
.37
ft
)
1
3
m
(4
2
.65
ft
)
1
4
m
(4
5
.93
ft
)
1
5
m
(4
9
.21
ft
)
1
6
m
(5
2
.49
ft
)
1
7
m
(5
5
.77
ft
)
1
8
m
(5
9
.06
ft
)
2
3
m
(7
5
.46
ft
)
1
9
m
(6
2
.34
ft
)
2
4
m
(7
8
.74
ft
)
2
6
m
(8
5
.31
ft
)
2
0
m
(6
5
.62
ft
)
2
1
m
(6
8
.91
ft
)
2
2
m
(7
2
.18
ft
)
2
5
m
(8
2
.02
ft
)
0
1
2
3
4
5
6
7
8
9
10
1
2
Fig. 23: Relation dielectric figure (ε
r
) of the upper medium to the max. probe length
1 Dielectric figure (ε
r
) of the upper medium
2 Max. probe length
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
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
-
HART value (Primary Value) D istance to the interface (d1)
-
HART value (Secondary Value) H eight of the interface - scaled (h1)
-
HART value (3rd Value) D istance to the level (d2)
-
HART value (4th Value) H eight of the level - scaled (h2)
VEGAFLEX 67 • 4 … 20 mA/HART - two-wire 49
10 S upplement
31853
-
EN
-120329