Controls the active-front-end infeed and regenerative functions of the matched MASTERDRIVES assembly.
Product Profile
6SE7090-0XX84-0BJ0 is identified by Siemens as a SIMOVERT MASTERDRIVES CUSA module for AFE infeed and regenerative unit control.
The manufacturer data sheet specifies firmware version V2.xx and classifies the item as a replacement part for the legacy MASTERDRIVES AFE platform.
The board must be matched to the complete converter and AFE configuration. Similar 6SE7090 modules serve different control functions and are not interchangeable by family prefix.
Technical Data
| Manufacturer | Siemens |
|---|---|
| Exact order number | 6SE7090-0XX84-0BJ0 |
| System family | SIMOVERT MASTERDRIVES |
| Module designation | CUSA |
| Application | AFE infeed / regenerative unit control |
| Firmware version | V2.xx |
| Product status in manufacturer sheet | Replacement part |
| Control platform | MASTERDRIVES AFE |
| Compatibility basis | Complete AFE converter MLFB, CUSA revision, firmware and option configuration |
System Role
Coordinates line-side current control, DC-link regulation and energy return within the configured AFE system.
Stores or executes firmware and parameters that must agree with the installed converter.
Interfaces with the surrounding power section, measurements, gating and interlocks.
About IndustryParts
https://www.industryparts.com/CUSA firmware and AFE identity remain linked
IndustryParts prepares 6SE7090-0XX84-0BJ0 enquiries with the complete converter, firmware and option-board record.
- CUSA identity retained
- Firmware V2.xx recorded
- AFE converter label requested
Compatibility
- Match the complete 6SE7090-0XX84-0BJ0 order number.
- Confirm CUSA hardware revision and firmware V2.xx requirements.
- Record the AFE converter MLFB, supply voltage, options and connected control boards.
- Back up parameters and use the Siemens-approved commissioning procedure.
Applications
- Legacy SIMOVERT MASTERDRIVES active-front-end infeed/regenerative equipment.
- Like-for-like CUSA service where the exact part and firmware boundary are documented.
- Repair or tested-spare planning for a maintained MASTERDRIVES AFE installation.
FAQ
Q01Can another 6SE7090 control board replace 6SE7090-0XX84-0BJ0?
No assumption should be made from the prefix. The CUSA function, hardware revision, firmware, connectors and complete AFE configuration must match.
Q02What should accompany a 6SE7090-0XX84-0BJ0 enquiry?
Provide the AFE converter MLFB and serial number, CUSA labels, firmware, option boards, fault history, parameter backup status and connector photos.
Q03How should firmware V2.xx be handled during replacement?
Record the installed exact version and confirm the supported Siemens restore or update path before fitting a board with different firmware.
Q04What testing is important for a repaired 6SE7090-0XX84-0BJ0?
Testing should include board identity, power supplies, I/O, measurement paths, parameter retention, AFE diagnostics and controlled infeed/regeneration operation.
Q05What evidence closes the 6SE7090-0XX84-0BJ0 service record?
Retain the exact board and firmware identity, parameter restore log, interlock checks, clean diagnostics, DC-link behavior and approved load/regeneration test.
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