Dc Connection (Option +H356); Connecting The Control Cables; Control Cable Connection Procedure - ABB ACS880-07 Hardware Manual

DC connection (option +H356)


The UDC+ and UDC- terminals are intended for common DC configurations of a number
of drives, allowing regenerative energy from one drive to be utilized by the other drives in
motoring mode. Contact your local ABB representative for further instructions.

Connecting the control cables

See chapter Control unit of frames R6 to R9
and R11 on page 129 for the default I/O connections of ACS880 primary control program.
The default I/O connections can be different with some hardware options, see the circuit
diagrams delivered with the drive for the actual wiring. For other control programs, see
their firmware manuals.
Connect the cables as described under

Control cable connection procedure


WARNING! Obey the instructions in chapter
them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section
16 before you start the work.
2. Frames R6 to R9: Remove the cabinet fan and mounting plate above it as described
under section Connecting the power cables
3. Run the control cables to the inside of the drive module cubicle as described in section
Grounding the outer shields of the control cables at the cabinet lead-through
4. Route the control cables as described in section
cabinet (frames R6 to R8)
(frame R9) on page
and R11) on page 104.
5. Connect the control cables as described in sections
on page 105 ... Wiring ground fault monitoring for IT ungrounded systems (option
+Q954) on page 110.
on page
Control cable connection procedure
Precautions before electrical work
on page 102 or Routing the control cables inside the cabinet
103 or Routing the control cables inside the cabinet (frames R10
Electrical installation 99
119 or Control unit of frames R10
Safety instructions. If you ignore
on page 89.
Routing the control cables inside the
Connecting the control unit cables
on page 99.
on page
below.