The HDD02.1-W040N-HD01-01-FW is listed as a Rexroth Indramat DIAX04 HDD servo drive controller spare part for maintenance of installed legacy drive systems. The catalog material reference is R911271312. This inquiry page is intended for buyers who need to identify the original configuration before arranging a replacement. Please quote the complete type code, including HD01-01 and the FW ending, rather than using only the HDD02 family designation. Availability and the condition of any proposed genuine original unit are checked for each enquiry.
| Full model | HDD02.1-W040N-HD01-01-FW |
| Product Family | DIAX04 |
| Product Type | Configured AC servo drive controller |
| Design Series | HDD02.1 |
| Current Class Code | 040; verify per-axis continuous and peak ratings |
| Cooling Method | W cooling code; confirm original revision documentation |
| Command Interface | Verify original communication module and configuration |
| Function Configuration | HD01-01; match full configuration label |
| Ordering Suffix | FW; retain exact suffix when requesting a replacement |
| Firmware Identification | FW: firmware specified separately; installed release to be confirmed |
| Material Number | R911271312 (catalog reference; verify actual nameplate) |
This HDD02.1 listing retains the original HD01-01 configuration. The newer HDD02.2 documentation is not used to assign unverified electrical ratings or command-interface details to this earlier revision. Compare the original controller label, communication-module identification and machine documentation. Similar appearance or a shared W040N designation is not enough to establish that a different revision or function configuration is suitable for the installation.
The FW ending indicates that the firmware specification is separate from the hardware ordering designation. It does not establish that a particular software release or a programmed module is included in the supplied unit. Please identify the installed software module and required release before quotation. Whether existing modules can be retained or transferred must be evaluated by the person responsible for the machine, using the appropriate original documentation.
Start with a clear photo of the complete controller nameplate. Include the basic-unit label, the configured-unit identification and every fitted module label that is accessible. The catalog reference R911271312 supports identification, but the material number on the actual offered unit remains the reference for the quotation. If the original label is damaged or incomplete, provide the machine spare-parts list and available service records so the missing details can be reviewed.
Check the connected motor and feedback identification, the machine controller interface, the supply arrangement and the existing connection layout. Record which accessories and connectors are needed with the replacement. A controller advertised under a shortened model can have a different function configuration or module arrangement. Matching only the housing size, current-class section or product family cannot confirm interchangeability. Installation suitability must be assessed against the original machine requirements.
This is a legacy genuine spare-part enquiry listing. The condition and history of a specific unit will be stated when a sourcing option is confirmed. Any inspection or test evidence relates only to that offered unit and will be described in the quotation. Please specify whether a complete configured controller is required or whether particular modules or connectors will be provided by the buyer. Accessories, software modules, protective covers and connection parts are included only when expressly listed.
To request a quote, send the full model HDD02.1-W040N-HD01-01-FW, material reference R911271312, required quantity and delivery destination. Include the original label photos, required firmware release and your acceptable condition criteria. If a different catalog reference is proposed, request its complete identification before deciding whether it meets the maintenance requirement. Product identification and procurement information on this page do not replace the machine owner's engineering assessment or commissioning procedure.
The displayed USD 2734.88 per piece is a similar-model budget estimate, calculated at 65% of an observed eBay asking price for HDD02.2-W040N-HD12-01-FW (approximately USD 4207.50). It excludes the reference seller's freight, tax and other charges. This reference model is used only for pricing guidance and is not proposed as a compatible substitute. The actual selling price, condition, included items and freight require a separate quotation.
Minimum order quantity is 1 piece. The supply target is 10 pieces per month, subject to actual sourcing and availability. When an in-stock unit has been confirmed, dispatch is normally within one week. Non-stock sourcing and dispatch dates are agreed separately. Packaging and payment terms are confirmed with the quotation. Request the latest availability and lead time when planning a maintenance shutdown.
Can another HDD model replace this controller?
That depends on the original machine configuration, hardware revision, fitted modules and firmware. Send the complete original identification for review; this listing does not guarantee compatibility with a different model.
Does the page confirm stock or a warranty?
Stock, condition and any agreed commercial terms are confirmed for the actual offered unit. This enquiry listing does not imply manufacturer authorization, a fixed stock commitment or an unverified warranty.
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