Endress+Hauser RMA 422 - 4.2 Setting Up Using the Operating Menu; Navigating the Units Configuration Menu

3.3.3 Loop powered 2 wire transmitter using an external power
supply.
3.3.4 4 wire transmitter with separate power connections and
current output using an external power supply
3.4 Connecting analogue outputs
The analogue outputs can be set up as current or voltage
sources.
3.5 Connecting alarm set point relays
53
52
51
Relay 2
131 132
+
+
-
Analogue output 1
231 232
+
+
-
Analogue output 2
43
42
41
Relay 1
+
-
I
Y
101 102
103
-
+
Analogue input 1
+
+
-
-
I
Y
101 102 103
-
+
Analogue input 1
+
-
I
Y
201 202
203
-
+
Analogue input 2
+
+
-
-
I
Y
201 202 203
-
+
Analogue input 2
Option limit relays, contact position shown is on alarm or power
failure.
Process transmitter
44