Endress+Hauser RIA15 - Safety Instructions; Requirements for the Personnel; Designated Use; Operational Safety

RIA15
Endress+Hauser 7
Connection with optional HART® communication resistance module
Circuit diagram / Description
2-wire sensor with
process display unit
and transmitter power
supply, without
backlighting
1
LED
- +
3
2
Y
I
R
s
DC
A0020839
1 HART® communication resistance module
2 Sensor
3 Power supply
2-wire sensor with
process display unit
and transmitter power
supply, with
backlighting
1
3
2
Y
I
R
s
DC
LED
- +
A0020840
1 HART® communication resistance module
2 Sensor
3 Power supply
4-wire sensor with
process display unit
and transmitter power
supply, without
backlighting
1
3
Y
I
2
LED
- +
A0020837
1 HART® communication resistance module
2 Power supply 4-wire device
3 Sensor
4-wire sensor with
process display unit
and transmitter power
supply, with
backlighting
1
3
Y
I
2
LED
- +
A0020838
1 HART® communication resistance module
2 Power supply 4-wire device
3 Sensor