+
+ + + + -
-
9
10 11
12
14
15
13
OK
ESC
on
1 2 3 4 5 6
8
7
11
10
3
9
5
4
2
1
6
12
17
18
14
15
22
16
20
21
23
24
19
13
29
30
26
27
34
28
32
33
35
36
31
25
+
-
L+
N-
5
4
3
6
1
7
8
2
F
ig
.
5
:
T
erminal assignment with four
-
wire sensor
1
O
perating relay
1
2
O
perating relay
2
3
O
perating relay
3
4
O
perating relay
4
5
O
perating relay
5
6
O
perating relay
6
7
C
urrent output
8
O
perating voltage of the signal conditioning instrument
9
M
easurement data input with sensor supply
(
active input
)
10
C
onnection for
HART
modem for sensor parameter adjustment
11
M
easurement data input
(
passive input
),
not with
E
x
-
ia version
12
D
igital input
1
…
4
13
C
ommon ground for digital input
1
…
4
14
4
…
20
m
A
/
HART
sensor
(
four
-
wire version
)
15
P
ower supply for four
-
wire sensor
W
iring plan for four
-
wire
sensor
VEGAMET
391
•
4
…
20
m
A
/
HART
signal conditioning instrument
15
5
C
onnecting to power supply
36032
-
EN
-
091116