mru SWG 100 biogas, User Manual

Page: 48 / 141

MRU GmbH SWG 100 User Manual
Page 48 of 141
Example: Read 4-20 mA signal from an external temperature sensor
An operator wants to read an external temperature sensor signal inside a SWG100.
The temperature sensor gives a 4-20 mA signal out and needs
a 7-30 VDC power
source
. It will use
a two-wire transducer
. The temperature range is between
-
.
After the sensor is connected to the IO-module correctly, the sensor must
be configured at the SWG100.
•
Open the menu: AUX-input configuration. This menu can be found
at the path: Extras/AUX-input.
•
First the operator sees an overview, which shows with kinds of
sensors are mounted at the IO-module. In this example, there is no
transducer mounted at the SWG100.
•
To configure a new sensor, push
F1
.
T
U
12
V
D
C
Power supply for transducer
SWG
10
0
Fi
el
d
Load: 50 Ohm