Endress+Hauser RMA 421 - Page 52

3.4.4 4-wire transmitter with separate power supply and
current or voltage output when using an external
loop power supply
+
+
-
-
U
Y
14
15
11
13
16
11
12
83
82
81
-
+
4-wire transmitter with voltage output internal
supply
+
+
-
-
I
Y
14
15
11
13
16
11
12
-
+
83
82
81
-
+
4-wire transmitter with current output extern
supply
+
+
-
-
U
Y
14
15
11
13
16
11
12
-
+
83
82
81
-
+
4-wire transmitter with voltage output extern
supply
Process transmitter
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