Download BEDIENUNGSANLEITUNG 8225 ..........................................................

3 INSTALLATION
CONDUCTIVITY 8225
3.2.5 Electrical wiring, compact version, 12-30 VDC, with cable glands,
with relays
Before wiring the device, please read § 3.2.1 and 3.2.3 carefully.
Lift the transparent lid after having unfastened the screw. Remove the cover of the device by
unscrewing the 4 screws, pass the cables through the cable glands and connect according
to the pin assignment below.
Always seal the unused cable gland using the supplied obstructor to
ensure the tightness of the device.
Unscrew the cable gland nut, insert the obstructor and screw the nut
back onto the cable gland.
4-20 mA output
L+ (12-30 VDC)
L- (0V)
Connect the power supply cable shielding
Switch 1: see
Fig. 3.9
CURRENT
SOURCE SINK
Strap to be removed if
4-20 mA output is used
Relays
PE
Without NC L+
With Iout L+
1
2
3
4
SENSOR
3
4
Relay cables must
be fitted here to the
board using the sup
plied cable clips
(see § 3.2.3)
CELL
PE
REL1
2
PE
PT1000
REL2
1
PE
LL-
Supply
12..30Vdc
SENSOR
3A/230VAC
Connect the conductivity sensor
+
-
+
-
Connection relay 2 to type
121
Connection relay 1 to type 142
Fig. 3.8 Wiring, compact transmitter, 12-30 VDC, with cable glands, with relays and connection
examples for the relays
E-22-