Endress+Hauser RIA15, Operating Instructions Manual

Page: 14 / 32

Wiring RIA15
14 Hauser
Terminal Description
Auxiliary terminals (electrically connected internally)
Potential equalization
• Panel-mounted device:
Terminal on the rear of the housing
• Field device:
Terminal in the housing
Connection without backlighting Connection with backlighting
Connection with transmitter power
supply and transmitter
LED
- +
- - +
+
I
Y
1
A0017704
1 Transmitter power supply
LED
- +
+ +
I
Y
1
- -
A0017705
1 Transmitter power supply
Connection with transmitter power
supply and transmitter using the auxiliary
terminal
LED - +
- -
+
+
I
Y
1
A0017706
1 Transmitter power supply
LED - +
+
+
I
Y
1
- -
A0017707
1 Transmitter power supply
Connection without transmitter power
supply directly in the 4 to 20 mA circuit
LED - +
+
2
-
I
Y
A0017708
2 4 to 20 mA power source
LED - +
+
2
-
I
Y
A0017709
2 4 to 20 mA power source
NOTICE
SELV Class 2 device
►
The device may only be powered by a power unit with an energy-limited circuit in
accordance with IEC 61010-1: 'SELV or Class 2 circuit'.