Endress+Hauser RIA15 - Page 19

RIA15 Wiring
Endress+Hauser 19
Circuit diagram / Description
4-wire sensor with
process display unit and
loop power supply, with
backlighting
1
3
Y
I
2
4
LED
- +
A0019571
1
HART
®
resistance
2 Current meter (optional)
3 Sensor
4 Power supply 4-wire device
Current output with
process display unit and
actuator (e.g. actuator
valve), without
backlighting
1
3
2
LED
- +
A0019573
1 Actuator
2 Power supply 4-wire device
3 Current output
Current output with
process display unit and
actuator (e.g. actuator
valve), with backlighting
1
3
2
LED
- +
A0019574
1 Actuator
2 Power supply 4-wire device
3 Current output