Endress+Hauser Liquiline Control CDC90, Operating Instructions Manual

Page: 51 / 118

Liquiline Control CDC90 Electrical connection
Hauser 51
Connection at output interface terminal in the pneumatic control unit
Output interface terminal T1,
bottom Cable wire Function
Pin 1 W2, BK Limit position switch, confirmation of
position
Pin 2 W2, BU Limit position switch, confirmation of
position
Output interface terminal T2,
bottom Cable wire Function
Pin 1 W2, BN Limit position switch, confirmation of
position
Pin 2 W2, WH Limit position switch, confirmation of
position
6.8 Connecting the main supply voltage
The supply voltage is to be provided by the customer and not included in the scope of
supply
NOTICE
The device does not have a power switch
‣
A fuse with a maximum rating of 16 A must be provided by the customer. Observe the
local regulations for installation.
‣
The circuit breaker must be a switch or power switch, and you must label it as the
circuit breaker for the device.
‣
The protective ground connection must be made before all other connections. Danger
may arise if the protective ground is disconnected.
‣
A circuit breaker must be located near the device.
Preparing the main supply voltage
1. Ensure the adequate connection to the protective earthing system of the building.
2. Use ground cable of 0.75 mm
2 minimum (corresponds to 18 AWG), not provided in
scope of supply either.
Connecting the main supply voltage
1.
1.
A0033429
Guide the cable of the main supply voltage through cable gland "5" of the pneumatic
control unit
2. Connect the wires to the actuator terminal as follows: