Connections Of The Rdcu - ABB ACS800-04 Hardware Manual

Connections of the RDCU

The RDCU drive control unit contains the RMIO board where the user's control
cables are connected.
WARNING! Handle the fibre optic cables with care. When unplugging optic
cables, always grab the connector, not the cable itself. Do not touch the ends of
the fibres with bare hands as the fibre is extremely sensitive to dirt.
Strain relief
Control panel
Internal power supply cable
coming from the drive module
Note: The lowest pin (ExtPower) is
not in use. Even when the RMIO
board is powered from an external
X34
power supply, do not use the
ExtPower pin, but upper pins.
TXD = transmitter
Ffibre optic cables coming from the
drive module to the RMIO board
61
RXD = receiver
Electrical installation