Endress+Hauser RA33 - 4.4 Outputs; 4.4.1 Analog Output; 4.4.2 Pulse Output; 4.4.3 Open Collector Output

Wiring RA33
18 Endress+Hauser
4.3.2 Temperature
!
Note!
To ensure the highest level of accuracy, we recommend using the RTD 4-wire connection, as
this compensates for measurement inaccuracies caused by the mounting location of the sensors
or the line length of the connecting cables.
Density
Connecting the RTD sensors
a0014185
1 = 4-wire connection, 2 = 3-wire connection, 3 = 2-wire connection
Terminals 1, 2, 5, 6: T warm
Terminals 3, 4, 7, 8: T cold
Temperature transmitter
connection
a0014186
1 = without external power supply of the transmitter, 2 = with external power supply of
the transmitter
Terminals 52, 53: T warm
Terminals 54, 55: T cold
Density sensor connection
1 = without external power supply of the pressure sensor, 2 = with external power supply
of the pressure sensor