Endress+Hauser Liquiline System CA80AL, Operating Instructions Manual

Page: 28 / 176

Electrical connection Liquiline System CA80AL
28 Hauser
After connecting:
1. Secure the electronics compartment cover with the 6 screws.
2. Fold up the carrier board and use the 6 screws to secure it after connecting.
3. Tighten the cable glands on the bottom of the device to secure the cables.
4. Place the bottle tray back into the housing.
6.2.2 24 V version: connecting the power supply
‣
In the case of devices with a 24 V power supply, the connection cross-section must be
at least 2.5 mm
2 and may not exceed 4 mm 2 .
‣
With 24V power supply, a current of up to 10A can flow. For this reason pay attention
to the voltage drop on the supply line.
‣
The voltage at the device terminals must be within the specified range →  167.
1. To access the electronics compartment, proceed as described in the "Routing the
cables" section (→  25).
2. Guide the 24V connecting cable from below through the cable gland on the inner
rear panel of the device and feed it up into the electronics compartment.
3. Connect the power supply.
L N N L
- -
+ +
1 2 3 4
A0040612
 27 Terminal assignment
1 Internal 24 V voltage
2 Power 24 V
3 Power supply -24 V
4 Assignment: functional ground
The labeling on the terminal block is selected in such a way that it applies both for 24
V versions (+ and -) and for the other device versions (L and N).