Overview
Manuals
Application Matching
Optical Power Link
Option Power Budget
Features:
- RDCU-12C 3AUA0000036521 is the complete listed product identity for the supplied hardware execution.
- The documented hardware is an ABB drive control unit selected for its assigned equipment role.
- Installation requires a verified match to ACS 800, the connected assemblies and the approved configuration.
RDCU-12C 3AUA0000036521 is an ABB drive control unit selected by its complete product identity and documented equipment role. Its suitability depends on the installed ACS 800 system, hardware execution, interfaces and application requirements matching the supplied unit. Visual similarity or a shortened code is not proof of interchangeability.
Before replacing RDCU-12C 3AUA0000036521, record the full nameplate, installed position, connector or terminal arrangement, paired equipment and relevant ABB service information. After installation, verify power, communication and control interfaces, complete the approved functional checks and confirm stable operation before returning the equipment to service.
The RDCU-12C 3AUA0000036521 ABB Drive Control Unit is supplied subject to exact-item verification. Current revision, lifecycle status, availability and supplied scope are confirmed in the written quotation.
ABB RDCU-12C 3AUA0000036521 documentation and reference links.
Important Notice: Every linked document must identify the listed model or its documented family. Confirm the complete order code, hardware revision and installed-system requirements before replacement.
ABB identifies the loaded program by SW TYPE and SW CODE and the associated converter hardware by DEVICE TYPE. Preserve all three markings and the original parameter backup. The 3AUA0000036521 part number is not evidence that a particular application is already loaded; the supplied software and hardware execution must be checked against the installation.
The V57/V68 transmitter and receiver form the PPCS link to the converter power-module interface or branching arrangement. ABB specifies 10 MBd optical components and recommends a maximum 10 m plastic-fibre connection. Record the link routing and connected power-module board; keep fibre ends clean and preserve the required bend radius during replacement.
The RDCU input is 24 V DC ±10%, with typical consumption of 250 mA without options and a maximum of 1200 mA with options. The hardware manual separately limits the illustrated power-module supply feed to 1 A. An installation using that feed therefore needs an option-by-option load check; the 1.2 A maximum is not permission to exceed the feed rating.
