Endress+Hauser RIA16 - Quick Wiring Guide; Electrical Connection

RIA16 Wiring
Endress+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
+
-
1a1b
+
-
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