3 INSTALLATION
3.2.14 Electrical wiring, wall-mounted version, 115/230 VAC, with relays
Install the transmitter as described in § 3.1.3. Lift the cover after having unfastened the
screws. Pass the cables through the cable glands by preferably respecting the allocation
indicated in fig. 3.18.
Wire the device as described below.
- Before wiring the device, please read § 3.2.1, 3.2.3 and 3.2.10 carefully.
- Only manipulate the voltage supply switch when the device is not
powered.
* wired ex-works
Switch 1: see
Fig. 3.9
SENSOR
1
2
3
4
PE
Connecting the
remote
conductivity sensor:
1 : Pt1000
2 : Pt1000
3 : Conductivity
1)
electrode
4 : Conductivity
electrode
1)
PE : Conductivity
sensor cable shielding
1)
By tubular cells, connect
terminal 3 to the internal
electrode and terminal 4 to
the external one
Fig. 3.20
Wiring wall-mounted transmitter, 115/230 VAC, with relays
Connection to the conductivity sensor type 8220: see Fig. 3.16
CURRENT
SOURCE SINK
PE
Without
NC L+
L-
PE
PE
With
Iout
L+
L-
Supply
SENSOR
12..30Vdc
1
PT1000
2
3
CELL
4
3A/230VAC
E-32-
CONDUCTIVITY 8225
All the cables must
be fitted here
Fuse
5 6 7 8 9 10
+ -
Strap to be
removed if the
transmitter is
4-20 mA
connected to a
PLC
PLC
115 VAC or
230 VAC power
supply selection
L N
115/230 VAC
power supply
connection