Endress+Hauser RIA45 Bedienungsanleitung Seite 30

Wiring
Overview of possible connection options at the process display unit
Terminal assignment of analog inputs, channel 1 and 2
Connection of the transmitter power supply system
2-wire
Connection of the analog input
RTD/Resistance 2-wire
Thermocouple
Connection of the relays
Relay 1
30
4-wire
a0010407
RTD/Resistance 3-wire
a0010581
U ≤ 1 V
a0010409
Relay 2
a0010412
a0010408
RTD/Resistance 4-wire
a0010582
U > 1 V
a0010410
a0010413
RIA45
a0010406
a0010583
a0010411
Endress+Hauser