Overview Of Supply And Inverter Modules (R7I And R8I) - ABB ACS800-17LC Hardware Manual

Overview of supply and inverter modules (R7i and R8i)

The figure below shows the supply/inverter module of size R7i and R8i. The control
unit containing the RMIO board is external and located in the swing-out frame of the
module cubicle. The control unit is connected to the inverter module(s) by a fiber
optic link, distributed through an optical branching unit. In the inverter modules, the
optic link connects to the AINT board, the terminals of which are accessible through
a hole on the front panel of the module.
8
3
4
2
5
6
1
7
1 AC busbars/knives (U2,V2,W2). Fit into
quick connector on the rear assembly
plate of the cabinet.
2 DC busbars (+, -)
3 Fiber optic connectors. V1, V2: control
board (RMIO) connection. Other fiber
optic connectors are not in use in supply
units.
4 Coolant in connection
5 Coolant out connection
6 Handle
7 Air/liquid heat exchanger
8 Terminal block X17 (not in use in supply
modules)
Hardware description
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