￭ Control electronicsInverter control unitOne BCU-0x control unit is required per inverter unit. The type of the control unit dependson the number of inverter modules as shown below. The control unit is delivered with amemory unit containing the ACS880 primary control program, optionally with applicationprogrammability. For availability of other control programs, contact your local ABBrepresentative.Ordering codeApplication programmab-ilityControl unit typeFrame size3AXD50000003417NoBCU-02R8i, 2×R8i3AXD50000011540*Yes3AXD50000006340NoBCU-123×R8i…6×R8i3AXD50000011541*Yes*Application programmability using function blocks based on the IEC 61131-3 standard. For more information, see Programmingmanual: Drive application programming (IEC 61131-3) (3AUA0000127808 [English]).Fiber optic cablesEach frame R8i module is connected to the inverter control unit with a pair of fiber opticcables.If the inverter unit is equipped with a DC switch/disconnector, each inverter module is alsoconnected to the charging controller by a pair of fiber optic cables.The following kits, each consisting of a pair of plastic fiber optic cables, are available fromABB:Ordering codeKit type designationLength58988821NLWC-022 m58948233NLWC-033 m58948250NLWC-055 m58948268NLWC-077 m58948276NLWC-1010 mControl circuit plug connectorsThe control circuit plug for connector X50 is not included in the module kit and you mustorder it separately.Note:Plug connectors for X51, X52 and X53 are included in the module kit.238 Ordering information
