Table of Contents
Advertisement
106 Electrical installation
Connecting power supply for the control unit
The cabinet builder must connect a 24 V DC auxiliary power supply for the BCU control
unit. The cabinet builder can take the power supply from the diode supply module or use
another power source.
Note: It is not allowed to use the 24 V DC output on terminal X53 for any other purpose
than for powering up the BCU control unit. See
module
on page
29
and
See also chapter
Control unit
consumption
on page 224.
The plug connector is available from ABB. See section
supply modules
on page 188.
Connection procedure
WARNING! Only qualified electricians are allowed to do this work. Read the
complete safety instructions of the drive. Ignoring the instructions can cause
physical injury or death, or damage to the equipment.
1. Disconnect the drive from the AC power line and make sure it is safe to start the work.
Obey the instructions in section
2. Route the cable. Obey the general routing guidelines in section
cables
on page 107.
3. Connect the power supply cable:
•
Connect the other end of the cable to terminal XPOW on control unit.
•
Connect the other end of the cable to the power source. If you take the power
supply from diode supply module, install the plug connector X53 of the supply
module and plug the connector X53 to its counterpart on the front plate of the
module.
Connectors X50 and X53 of D7T supply
Connectors X50 and X53 of D8T supply module
on page
231
and sections
Basic electrical safety precautions
on page 31.
Auxiliary circuit current/power
Control circuit plug connectors for
on page 96.
Connecting the control
Advertisement
Table of Contents
