Electrical Installation; Mco 305 Control Terminals - Danfoss MCO 305 Operating Instructions Manual

How to Install

3.2.1 Electrical Installation

All control cables must be screened and the cable screen
must be connected to earth at both ends. It is very
important to use the correct cable for encoders to avoid
3 3 noise problems, always follow the prescriptions of the
encoder supplier. See also VLT AutomationDrive Design
Guide (MG.33.AX.YY) for more information regarding EMC
correct cable installation.

3.2.2 MCO 305 Control Terminals

Frame size A2 and A3:
Encoder and I/O terminal are located behind the C option
terminal cover, see Illustration 3.3.
MCO CAN bus terminals and debug terminals (RS485) are
located on the top of the c-option cover. If these
connections are used cut out the plastic parts above the
connectors and mount the cable relief
Illustration 3.3 Location of Encoder and I/O Terminals
10
MCO 305 Operating Instructions
Frame size A5, B1 and B2:
All MCO 305 terminals are located next to the VLT
AutomationDrive control card. Remove the front cover to
get access, see illustration.
MCO 305 control terminals are plug connectors with screw
terminals; the terminal blocks are duplicated to enable use
of the same MCO 305 in all frame sizes. See Illustration 3.5
to locate the terminal blocks:
Illustration 3.4 Removing Front Cover
®
MG.33.K3.02 - VLT is a registered Danfoss trademark