Endress+Hauser RIA15 - Page 24

Wiring RIA15
24 Endress+Hauser
Circuit diagram / Description
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
Multi-drop 2-wire
sensors with process
display unit and
transmitter power
supply
R
s
DC
1
2
3
Y
I
LED
- +
Y
I
Y
I
A0019575
1 Sensors
2 Power supply
3
HART
®
resistance
Multi-drop 2-wire
sensors with process
display unit and
transmitter power
supply, with
backlighting
R
s
DC
1
2
3
I
Y
Y
I
Y
I
LED
- +
A0019722
1 Sensors
2 Power supply
3
HART
®
resistance