Auxiliary Control Unit; Drive Section - ABB ACS 800-17 Hardware Manual

20
Auxiliary
Control
Unit
ACU
RDCU
RMIO
ACT PAR FUN C D RIVE
EN TER
L O C RESET R EF
R EM
X2
24 V
230/115 VAC

Auxiliary control unit

The following components are located in the Auxiliary Control Unit of the
ACS800-17:
• Drive Control Unit (RDCU), which includes a Motor and I/O Controller Board
(RMIO)
• CDP 31x Control Panel
• control wiring and relays (for e.g. optional prevention of unexpected start-up)
• optional modules (I/O extension and fieldbus adapter modules, pulse encoder
interface module etc.)
• other options.

Drive section

The drive section contains parts listed below:
• inverter
• inverter cooling fans
• Optical Branching Unit (NPBU) with parallel connected units
• du/dt filters (optional)
• output cubicle (with motor cable entry and exit through the top of the cabinet)
Hardware description
Supply section
ISU Supply
Incoming
Unit
Unit
ICU FIU
AC
Braking sections
Braking Unit
(optional)
Common DC Bus
Supply
Unit
Drive section
ACT PAR FUN C D RIVE
EN TER
L O C RESET R EF
R EM
Inverter