Endress+Hauser RIA15 - Page 4

RIA15
4 Endress+Hauser
Connection without backlighting Connection with backlighting
Connection with PLC and transmitter
-
-
+
+
I
Y
1
LED
- +
A0019720
1 PLC
-
-
+
+
I
Y
1
LED
- +
A0019721
1 PLC
Connection without transmitter power
supply directly in the 4 to 20 mA circuit
+
2
-
I
Y
LED
- +
A0017708
2 4 to 20 mA power source
+
2
-
I
Y
LED
- +
A0017709
2 4 to 20 mA power source
HART
®
connection
Circuit diagram / Description
2-wire sensor with
process display unit
and LPS, without
backlighting
Y
I
R
s
DC
1
2
3
LED
- +
A0019567
1 Sensor
2 Power supply
3 HART® resistance
2-wire sensor with
process display unit
and LPS, with
backlighting
Y
I
R
s
DC
1
2
3
LED
- +
A0019568
1 Sensor
2 Power supply
3 HART® resistance
4-wire sensor with
process display unit
and LPS, without
backlighting
1
3
Y
I
2
4
LED
- +
A0019570
1 HART® resistance
2 Current meter
3 Sensor
4 Power supply