Frame R5I; External +24 V Power Supply For The Rmio Board - ABB ACS800 Hardware Manual

64

Frame R5i

Optional module 1
RMIO X39 for
control panel cable
Control cable
grounding: see 360
degrees grounding
of I/O cables on
page 68
Prevention of unexpected
start (optional) – see
Frame R5i power
connections on page 54

External +24 V power supply for the RMIO board

The RMIO board of the inverter module can be powered from an external 24 V DC
supply. This is practical if the board needs to be kept live even if the main power to
the drive is off. The 24 V supply can be fed by a UPS if necessary.
Refer to chapter
75.
External +24 V power supply for the RMIO
Optional module 2
DDCS communication option
module 3: RDCO
Install shroud (included) on the
relay outputs if voltage at the
terminals exceeds 50 V AC
Detachable I/O terminals (pull
upwards)
board, starting on page