Endress+Hauser RIA 250 - Electrical connection; Terminal layout and power supply

3. Electrical connection
3.1 Terminal layout and power supply
Terminal layout In and outputs
L/+ L for AC + for DC
Power supply
N/- N for AC - for DC
PE connection
+ + 24 V loop power
Loop power supply
- 0 V loop power
11
Signal ground Current, voltage, thermocouple
Pt100 (2-wire)
Measurement signal
input
Power cable - Pt100 (3-/4-wire)
11
Signal ground Current, voltage, thermocouple
Pt100 (2-wire)
Power cable - Pt100 (3-/4-wire)
12 Signal - Pt100 (3-/4-wire)
13
Signal Voltage ±100 mV,
thermocouple, Pt100
14 Power cable + Pt100 (2-/3-/4-wire)
15 Signal Voltage ±10 V, 0 to 1/10 V
16 Signal Current ±20 mA, 0/4 to 20 mA
41 Normally close
Relay output 1
(option)
42 Common
43 Normally open
51 Normally close
Relay output 2
(option)
52 Common
53 Normally open
+ Output + Current, voltage Analogue output
- Output - Current, voltage (optional)
RS232 Serial interface connection Serial interface
Process display
44