Endress+Hauser RIA 550 Betriebsanleitung Seite 28

Process display
26
11
13
14
15
81
-
82
4.4.1 Series loop powe-
red 2-wire transmitter
when using the loop po-
wer supply in the unit.
11
13
14
15
81
-
82
4.4.3 4 wire transmitter
with separate power con-
nections and current out-
put using the internally
available loop power
supply.
Please take note of the maximum transmitter power
consumption, if required please use an external power
supply.
11
13
14
15
81
-
82
4.4.4 4 wire transmitter
with separate power con-
nections and current out-
put using external power
supply.
Connections/examples
11
-
13
I
+
Y 14
15
81
-
82
4.4.2 Series loop powe-
red 2-wire transmitter
when using an external
power supply.
11
+ 13
I
Y
14
-
+
-
15
81
-
82
4.4.3 4 wire transmitter
with separate power con-
nections and voltage out-
put using the internally
available loop power
supply.
11
+
13
I
Y
-
14
+
-
15
-
81
-
82
4.4.4
with separate power con-
nections and voltage out-
put using external power
supply.
-
I
-
+
Y
+
U
Y
-
+
-
+
U
Y
-
+
-
-
4 wire transmitter