ABB YPK112A Communication Board

Name: ABB YPK112A Communication Board
Brand: ABB

Model: YPK112A

Brand ABB

Series Pending

Model YPK112A

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Technical Dossier

Product Details And Specifications

ABB YPK112A Series Technical Notes

The ABB YPK112A is a communication board module deployed within ABB's industrial automation and drive control architectures. It is installed across heavy-process industries including petrochemical refineries, nuclear power auxiliary systems, pulp and paper mills, and offshore platform control systems. The YPK112A functions as a fieldbus or serial communication interface card, enabling data exchange between ABB drive units and supervisory control systems (DCS/SCADA). Its compact form factor and standardized backplane interface make it a long-cycle spare part in facilities where ABB ACS/DCS platforms remain in service beyond their original design life.

The Evolution of YPK112A Architecture

The YPK112A belongs to ABB's option board ecosystem, originally developed to extend the communication capability of ACS series variable frequency drives (ACS550, ACS800, ACS880) and selected SAMI/ACSM platform derivatives. Early-generation option boards in this lineage used RS-232 and RS-485 serial interfaces. Subsequent revisions introduced PROFIBUS-DP, Modbus RTU, and DeviceNet protocol support, with the YPK112A representing a mature iteration optimized for PROFIBUS-DP slave communication at up to 12 Mbit/s. Compatibility constraints exist between firmware revisions of the host drive and the option board slot assignment (slot 1 vs. slot 2). Installations using ACS800 firmware below version 7.x may require a firmware upgrade before the YPK112A can be recognized. As ABB transitions its installed base toward ACS880 and the FENA-21 Ethernet adapter family, the YPK112A has entered the mature/end-of-active-production phase. Long-term maintenance support is the primary procurement driver for this part number.

YPK112A Full Catalog & Functionalities (SKU List)

The following SKUs represent the ABB option board and communication adapter range compatible with or directly related to the YPK112A platform. All models listed are verified part numbers within ABB's drive option board catalog.

YPK112A: PROFIBUS-DP communication board for ACS/SAMI drives
RPBA-01: PROFIBUS-DP adapter module, ACS800/880 slot-mount
RDNA-01: DeviceNet adapter, ACS800 series option slot
RMBA-01: Modbus RTU adapter board, ACS550/800 compatible
RCAN-01: CANopen adapter module for ACS drive series
RETA-01: Ethernet/IP and Modbus TCP adapter, ACS800
FENA-01: Ethernet/IP, Modbus TCP, PROFINET adapter, ACS880
FENA-11: Dual-port Ethernet adapter, ACS880 series
FENA-21: Ethernet multi-protocol adapter, ACS880 current generation
FPBA-01: PROFIBUS-DP adapter, ACS880 frame-mount
FDNA-01: DeviceNet adapter, ACS880 series
FMBA-01: Modbus RTU adapter, ACS880 series
FCNA-01: CANopen adapter, ACS880 series
IOEC-04: I/O extension board, ACS800 multi-drive cabinet
NAMC-11: Application control board, ACS800 inverter unit
APBU-44C: Branching unit for DDCS fiber optic communication
NDBU-95: DDCS branching unit, ACS800 multi-drive
RTAC-01: Pulse encoder interface board, ACS800/550
RAIO-01: Analog I/O extension board, ACS drive series

Quality Control for the YPK112A Range

Communication boards such as the YPK112A require protocol-level functional testing beyond standard power-on verification. DriveKNMS applies the following test procedures to all YPK112A and compatible option board units: (1) Visual inspection of backplane connector pins and PCB surface for corrosion, cold solder joints, or component damage. (2) Firmware version identification and compatibility cross-check against target drive model and software revision. (3) PROFIBUS-DP live bus simulation: the board is installed in a test drive unit and polled by a PROFIBUS master at 1.5 Mbit/s and 12 Mbit/s to verify GSD-compliant response and cyclic data exchange. (4) Isolation resistance test between communication signal ground and chassis ground. (5) Burn-in cycle: 4-hour continuous operation at 40°C ambient to screen latent component failures. Units that do not pass all five stages are quarantined and not offered for sale.

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