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
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
130BA248.11
Illustration 3.3 Location of Encoder and I/O Terminals
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:
130B
T334.10
Illustration 3.4 Removing Front Cover
How to Install
MCO 305 Operating Instructions
10
MG.33.K3.02 - VLT
®
is a registered Danfoss trademark
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