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SEW USS21A
by SEW-Eurodrive
Read verified buyer reviews ↓OverviewElevate your industrial automation capabilities with the SEW USS21A, a meticulously engineered interface converter designed to bridge the communication gap between your SEW-EURODRIVE MOVIDRIVE® B frequency inverters and crucial external systems. This robust module is the cornerstone for efficient data exchange, enabling precise diagnostics, streamlined parameter adjustments, and essential firmware management. Its purpose-built design ensures optimal performance within demanding industrial environments, making it an indispensable component for modern drive control systems.Key Features Configurable Protocol Support: Seamlessly integrates both RS-232 via a 9-pin Sub-D connector and RS-485 through a secure terminal block, offering broad compatibility. MOVITOOLS® Optimization: Fully compatible with SEW's proprietary MOVITOOLS® software suite, ensuring comprehensive configuration, monitoring, and diagnostic capabilities. Streamlined Installation: Engineered for effortless integration, this module simply plugs into the dedicated TERMINAL option slot of your inverter, minimizing setup time. Dedicated Baud Rate: Operates at a steadfast 9600 baud, ensuring reliable and consistent data transfer for critical applications. Expandable Network Capacity: Supports multi-drop configurations for up to 16 devices on a single RS-485 bus, promoting scalable system architectures. Space-Saving Design: Its compact and low-profile form factor is ideal for integration into control cabinets where space is at a premium, maintaining a clean and organized setup. Technical Specifications Model Number: USS21A Part Number: 8229147.10 Supported Interfaces: RS-232 / RS-485 Connector Types: RS-232: 9-pin Sub-D (female) RS-485: Screw terminal block Communication Speed: 9600 bps (fixed) Mounting Method: Direct installation onto MOVIDRIVE® B inverters Physical Dimensions (W x H x D): Approximately 120 mm x 85 mm x 29 mm Permissible Operating Temperature: 0°C to +50°C Enclosure Protection Rating: IP20 Applications Facilitating the initial setup and comprehensive diagnostics of SEW MOVIDRIVE® inverters. Establishing reliable communication links between SEW drives and host systems such as PCs or PLCs. Implementing serial communication within complex multi-drive industrial systems. Performing essential firmware upgrades, as well as backup and restoration operations for drive parameters. Enabling straightforward Modbus RTU integrations for simplified data exchange with other industrial devices. Why ChooseThe SEW USS21A stands out as the premier choice for enhancing your MOVIDRIVE® B inverter communication. Its design prioritizes integrity and efficiency, providing a stable and robust serial interface that is inherently resistant to environmental noise. The plug-and-play installation, coupled with a standardized baud rate, significantly simplifies system configuration and deployment. With its dual-protocol support, you gain the flexibility to implement both direct point-to-point connections and expansive multi-drop network topologies. As an officially recognized and certified SEW product, it guarantees full compatibility and seamless synergy with SEW's comprehensive ecosystem of tools and documentation. Furthermore, its compact yet durable construction ensures longevity and consistent performance even in the most challenging industrial settings.Order NowSecure your competitive edge in industrial automation. The SEW USS21A serial interface converter is currently available in stock and ready for expedited global delivery. Enhance your drive communication and operational efficiency today.
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SEW USS21A
Overview
This is a genuine SEW-Eurodrive component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine SEW-Eurodrive catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader SEW-Eurodrive automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your SEW-Eurodrive equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same SEW-Eurodrive catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation SEW-Eurodrive platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Number: USS21A
- Part Number: 8229147.10
- Supported Interfaces: RS-232 / RS-485
-
Connector Types:
- RS-232: 9-pin Sub-D (female)
- RS-485: Screw terminal block
- Communication Speed: 9600 bps (fixed)
- Mounting Method: Direct installation onto MOVIDRIVE® B inverters
- Physical Dimensions (W x H x D): Approximately 120 mm x 85 mm x 29 mm
- Permissible Operating Temperature: 0°C to +50°C
- Enclosure Protection Rating: IP20
Applications
- Facilitating the initial setup and comprehensive diagnostics of SEW MOVIDRIVE® inverters.
- Establishing reliable communication links between SEW drives and host systems such as PCs or PLCs.
- Implementing serial communication within complex multi-drive industrial systems.
- Performing essential firmware upgrades, as well as backup and restoration operations for drive parameters.
- Enabling straightforward Modbus RTU integrations for simplified data exchange with other industrial devices.
Why Choose the USS21A?
The SEW USS21A stands out as the premier choice for enhancing your MOVIDRIVE® B inverter communication. Its design prioritizes integrity and efficiency, providing a stable and robust serial interface that is inherently resistant to environmental noise. The plug-and-play installation, coupled with a standardized baud rate, significantly simplifies system configuration and deployment. With its dual-protocol support, you gain the flexibility to implement both direct point-to-point connections and expansive multi-drop network topologies. As an officially recognized and certified SEW product, it guarantees full compatibility and seamless synergy with SEW's comprehensive ecosystem of tools and documentation. Furthermore, its compact yet durable construction ensures longevity and consistent performance even in the most challenging industrial settings.
Availability & Shipping
- ▸In stock: USS21A ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every USS21A ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — SEW-Eurodrive
Machine down? We ship parts the same day.
New, surplus, and refurbished SEW-Eurodrive inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related SEW-Eurodrive resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.