Endress+Hauser RIA14 Kurzanleitung Seite 32

Wiring
5.1 Quick wiring guide
5.1.1 Terminal assignment
Terminal 2 and 3
Open Collector
1
2
+
-
3
 7 Terminal assignment
Terminal Terminal assignment
+ Measuring signal (+) 4 to 20 mA
- Measuring signal (-) 4 to 20 mA
1 Terminal for further instrumentation
2 Digital limit switch (collector)
3 Digital limit switch (emitter)
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 to 20 mA measuring
circuit. There must be potential equalisation along the circuits (within and outside the
hazardous area).
32
passive
loop power
supply
active
loop power
supply
Input and output
Signal input
Signal input
Support terminal
Switch output
Switch output
RIA14
A0010946-EN
Endress+Hauser