3 INSTALLATION
3.2.7 Electrical connection, wall-mounted version, 115-230 VAC
Before wiring the device, please read § 3.2.1.
Unscrew the 4 screws of the cover and unscrew the cable glands. Pass the cables
through the cable glands by preferably respecting the allocation indicated in § 3.2.5.
Connect the terminals according to the pin assignments of Fig. 3.6, 3.7, 3.8 and 3.10.
Connect the pH sensor to the electronic board (see § 3.2.4) after having inserted the
reducer into the cable gland, if need be, and passed the pH sensor cable through the
reducer.
Only manipulate the power supply switch when the device is not
powered.
Switch
:
see Fig. 3.5
Connection of the
temperature sensor:
see Fig. 3.9
Connect the shielding
of the transistor output
cable
{
Connection of the 2
relays or the 2
transistors:
see Fig. 3.6 and 3.7
Relay or
transistor cables
must be fitted
here to the board
using the
supplied cable
clip (see § 3.2.2)
* Factory
prewired
Connection of current output
to a PLC in sinking mode
Fig. 3.10
Electrical connection, wall-mounted version, 115-230 VAC
Black wire* L-
Red wire* L+
Green wire*
4-20 mA
CURRENT
SOURCE SINK
Iout L+ L-
1
Supply
2
12..30Vdc
PE
PT1000
3
T
4
Fluid potential
(third electrode)
REL:230VAC/3A
5
PE
TRANS:5..30VDC/100mA
+
+
Connection of
Connection
the alarm relay
of the pH
sensor
Iout
L+
-
4-20 mA
Connection of current output to a
PLC in sourcing mode
PH CONTROLLER 8205
Loop through
shield*
PE
PE
All the
cables
must be
fitted here
L-
Connect the shielding
of the output cable
-
4-20 mA
E-20-
115 VAC or 230 VAC
selection switch
Fuse
5 6 7 8 9 10
L N
L N