RIA16
Wiring
Hauser
11
5.1
Quick wiring guide
Terminal assignment
a0011165-en
Fig. 7: Terminal
assignment
5.2
Electrical connection
Both the terminal assignment and the connection values of the field indicator correspond to those
of the Ex-version. The device is only designed for operation in a 4 - 20 mA measuring circuit. There
must be potential equalisation along the circuits (within and outside the hazardous area).
+
+
I
Y
-
-
+
I
Y
-
3
2
+
-
OC
+ - 1a 1b
+ -
2 3
+ -
1a 1b
+
+
I
Y
-
-
+ -
1a 1b
loop power
supply
active
passive
Terminal 2 and 3
Open Collector
loop power
supply
Terminal
Terminal assignment
Input and output
+
Measuring signal (+) 4 to 20 mA
Signal input
-
Measuring signal (-) 4 to 20 mA
Signal input
1a, 1b
Terminal for further instrumentation
Support terminal
2
Digital limit switch (collector)
Switch output
3
Digital limit switch (emitter)
Switch output
