ABB BINT-12C Modules – BINT-12C 3AUA0000077967

Technical Dossier

Product Details And Specifications

ABB BINT-12C Series Technical Notes

The ABB BINT-12C series represents a class of control and interface boards deployed within ABB's ACS800 and ACS600 industrial drive platforms. These boards are installed across heavy-process industries including petrochemical refineries, nuclear auxiliary systems, pulp and paper mills, and offshore platform motor control centers. The BINT-12C (Part No. 3AUA0000077967) functions as a brake control interface board, providing the logic-level interface between the drive's main control unit and external brake hardware. Its role in safety-critical braking sequences makes it a high-priority spare in any preventive maintenance inventory for ACS800-series installations.

ABB drives equipped with BINT-12C boards are found in applications where controlled motor stopping under load is mandatory — crane hoists, vertical conveyors, and winding machines in steel mills. The board's compact form factor and standardized connector layout allow direct replacement without drive reconfiguration in most firmware-compatible installations.

The Evolution of BINT-12C Architecture

The BINT interface board family originated within ABB's RDCU/RMIO control platform ecosystem, introduced alongside the ACS800 single-drive series in the late 1990s. Early brake interface solutions were discrete relay-based circuits integrated into the drive's I/O terminal block. As drive power ratings scaled upward and safety requirements tightened under IEC 61800-5-2, ABB consolidated brake control logic onto dedicated plug-in boards — the BINT series being the primary result.

The BINT-12C (3AUA0000077967) is a mid-generation variant, compatible with RMIO-11C and RMIO-12C main control boards. It communicates via the drive's internal DDCS (Distributed Drive Control System) fiber-optic bus in some configurations, and via direct backplane connector in others. Successor functionality has been partially absorbed into the RDCU-12C and RDCU-02C control units in newer ACS880 platform drives, which integrate brake logic at the firmware level rather than requiring a discrete board. However, the installed base of ACS800 drives globally — estimated in the hundreds of thousands of units — ensures continued demand for BINT-12C as a service part through at least the 2030s.

BINT-12C Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified component range associated with the ABB BINT-12C board and its directly related interface and control modules within the ACS800 drive platform. Each entry reflects a distinct functional role within the drive control architecture.

BINT-12C (3AUA0000077967): Brake control interface board for ACS800; primary spare SKU.
BINT-11C (3AUA0000077966): Earlier brake interface variant; compatible with RMIO-11C control boards.
RMIO-11C (3AFE64527592): Main control board for ACS800-01/U1 single drives; hosts BINT interface slot.
RMIO-12C (3AUA0000001462): Upgraded main control board; extended I/O and parameter memory.
RDCU-12C (3AUA0000001462): Drive control unit for ACS800 multidrives; DDCS fiber interface.
RDCU-02C (3AFE64527592): Control unit variant for ACS800 cabinet drives; DI/DO expansion capable.
AINT-02C (3AFE68315735): Analog input extension board; 4 × AI channels, ±10 V / 0–20 mA.
AINT-12C (3AUA0000001463): Analog interface board with galvanic isolation; process signal conditioning.
DINT-12C (3AUA0000077968): Digital input extension board; 8 × 24 VDC DI channels.
DOUT-01C (3AFE68315736): Digital output relay board; 3 × relay outputs, 250 VAC/30 VDC rated.
AINT-01C (3AFE64527593): Analog I/O board; combined 2 AI + 2 AO channels for process feedback.
PPCS-02C (3AFE68315737): Fiber-optic DDCS communication board; master/follower drive linking.
NINT-41C (3AFE68315738): PROFIBUS-DP adapter board for ACS800; DP-V1 compliant.
NINT-51C (3AFE68315739): DeviceNet adapter board; explicit and I/O messaging support.
NINT-61C (3AFE68315740): Modbus RTU/TCP adapter board; RS-485 and Ethernet dual interface.
NINT-71C (3AFE68315741): CANopen adapter board; DS301 and DS402 drive profile support.
NINT-81C (3AFE68315742): EtherNet/IP adapter board; CIP motion and I/O messaging.
BINT-01C (3AFE64527594): First-generation brake interface board; legacy ACS600 platform compatibility.

Sourcing Hard-to-Find & Obsolete BINT-12C Parts

For end-users operating ACS800 drives in long-lifecycle applications — water treatment infrastructure, mining conveyors, marine propulsion auxiliaries — DriveKNMS provides lifecycle extension support including cross-reference validation, functional equivalency assessment for substitute boards, and multi-unit reserve stocking agreements. Contact the technical team to discuss volume requirements or emergency replacement needs.

Quality Control for the BINT-12C Range

The BINT-12C board interfaces directly with the drive's braking chopper circuit and safety relay chain. Failure modes include IGBT gate signal corruption, relay contact degradation, and EEPROM parameter loss. DriveKNMS applies a structured test protocol to all BINT-12C units prior to dispatch: