ABB KUC755AE117 3BHB005243R0117 Drive Control Module

Technical Dossier

Product Details And Specifications

ABB KUC755AE117 (3BHB005243R0117) Series Technical Notes

The Evolution of KUC755AE117 Architecture

ABB's drive control board lineage for high-power drives evolved through several distinct generations. Early ACS600-era control boards (e.g., NAMC-11, NAMC-51) used discrete analog signal conditioning with limited fieldbus integration. The transition to the ACS800 platform introduced the RMIO-11C and RMIO-02C boards, which standardized the DDCS fiber-optic communication backbone and enabled modular I/O expansion via RDIO and RAIO extension boards.

The KUC755AE117 / 3BHB005243R0117 represents the high-power variant of this control architecture, engineered for multi-megawatt drive frames (R7–R11 and equivalent cabinet-built units). It integrates directly with the AINT-02C gate driver interface board and communicates with the RDCU-02C drive control unit via the DDCS protocol at 10 Mbit/s. Compatibility constraints are strict: firmware versions must be matched to hardware revision levels, and substitution with earlier board revisions (e.g., KUC755AE101, KUC755AE110) requires parameter re-commissioning and in some cases FPGA reflashing.

KUC755AE117 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified module range associated with ABB high-power drive control platforms compatible with or directly related to the KUC755AE117 / 3BHB005243R0117. Each entry reflects a distinct hardware function within the drive system architecture.

KUC755AE117 / 3BHB005243R0117: Main drive control board; PWM generation, speed/torque regulation, fault logging.
KUC755AE101: Earlier hardware revision of KUC755AE117; limited DDCS throughput, requires firmware downgrade.
KUC755AE110: Intermediate revision; corrected FPGA timing errors present in AE101; field-upgradeable to AE117 via ABB service bulletin.
RMIO-11C: Standard ACS800 control board; motor control I/O, encoder interface, fieldbus adapter slot.
RMIO-02C: ACS800 control board variant with extended analog I/O; used in tension-control and winder applications.
RDCU-02C: Drive control unit for ACS800 multi-drive systems; interfaces with KUC755AE117 via DDCS fiber link.
AINT-02C: Gate driver interface board; bridges KUC755AE117 control signals to IGBT gate units in R8–R11 frames.
AINT-01C: Earlier gate interface board; compatible with R5–R7 frames; not interchangeable with AINT-02C without hardware modification.
RDIO-01C: Digital I/O extension module; adds 8DI/8DO to RMIO-based control systems.
RAIO-01C: Analog I/O extension; adds 4AI/2AO; used in process-critical speed reference applications.
NAMC-11: ACS600-era control board; predecessor architecture; no DDCS support; obsolete but still in service in legacy installations.
NAMC-51: ACS600 multi-drive control board; DDCS-capable; direct predecessor to RDCU-02C functional role.
ZCU-14: ACS880 platform control unit; successor architecture to KUC755AE117 ecosystem; not backward-compatible.
BCU-02: ACS880 multi-drive control unit; replaces RDCU-02C in new installations; different firmware and commissioning toolchain.
3BHB005243R0001: Base hardware variant of the KUC755 board family; earlier R-code designation used in factory documentation.
3BHB013084R0001 (APBU-44C): Branching unit for DDCS fiber-optic network; required in multi-drive configurations using KUC755AE117-based systems.
RDNA-01: DeviceNet adapter for RMIO/RDCU systems; enables integration with Rockwell PLC networks in mixed-vendor plants.

Quality Control for the KUC755AE117 Range

The KUC755AE117 board presents specific test challenges due to its integrated FPGA logic, high-speed DDCS fiber interface, and multi-layer PCB construction. DriveKNMS applies the following test protocol to all KUC755AE117 units prior to dispatch: