Connecting The 8223 To An External Device (Plc; Precautions During Installation And Commissioning - Burkert 8223 Manuel Utilisateur

4.3.2 Connecting the 8223 to an external device (PLC,...)

The 8223 sensor can be connected to a PLC or any other device which is able to use the
4-20 mA signal transmitted by the sensor.
The connection can be carried out either in sourcing or in sinking mode, as shown by the
figures below:
100 mA
PLC
+
-
4-20 mA
I
2
not connected
Connection in sourcing mode
SW3 must be configured correctly when the sensor is not powered, de -
pend ing on the connection mode chosen.
Sinking (default value)
Sourcing
4.3.3 Precautions during in stal la tion and com mis sion ing
- When the appliance is powered and the cover is open, the protection against electrical
shocks is no longer effective.
- Always verify the chemical compatibility of the materials which are in contact with the
fluid to be measured.
- When cleaning the appliance use products which are chemically compatible with the
materials in the appliance.
- Do not insert any object (screwdriver for instance) within the finger orifice. When the
orifice is dirty, use compressed air to clean it.
INSTALLATION
+
-
12-30 VDC
SW3
3
1
Type of current output
16
PLC
+
-
4-20 mA
I
SW3
2
not connected
Connection in sinking mode
Position of switch SW3
Up
Down
100 mA
+
-
12-30 VDC
3
1
8223