Endress+Hauser RIA15 - Power Supply

RIA15
Endress+Hauser 3
Measuring range
4 to 20 mA (scalable, reverse polarity protection)
Max. input current 200 mA
Power supply
Terminal assignment
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'.
Device destroyed if current too high
‣
Do not operate the device at a voltage source without a current limiter. Instead, operate the
device only in the current loop with a transmitter.
Terminal Description
+ Positive connection, current measurement
- Negative connection, current measurement (without backlighting)
LED Negative connection, current measurement (with backlighting)
Auxiliary terminals (electrically connected internally)
Functional grounding:
• Panel-mounted device:
Terminal on the rear of the housing
• Field device:
Terminal in the housing
Connection 4 to 20 mA
Connection without backlighting Connection with backlighting
Connection with transmitter power supply
and transmitter
LED
- +
-
-
+
+
I
Y
1
A0017704
1 Transmitter power supply
+
+
I
Y
1
-
-
LED
- +
A0017705
1 Transmitter power supply
Connection with transmitter power supply
and transmitter using the auxiliary
terminal
-
-
+
+
I
Y
1
LED
- +
A0017706
1 Transmitter power supply
+
+
I
Y
1
-
-
LED
- +
A0017707
1 Transmitter power supply