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Key Technical Specifications
- Product Model: DFS56L-TF-RH1M-KK
- Manufacturer: SEW-EURODRIVE
- System Family: MOVI-C® modular automation system
- Rated Output Power: 0.75 kW
- Supply Voltage: 3x 400–480 V AC
- Communication Interface: EtherCAT (native), optional PROFINET or POWERLINK via adapter
- Safety Functions: STO (Safe Torque Off) per EN 61800-5-2, SIL 3 / PL e
- Degree of Protection: IP65 (suitable for washdown and harsh environments)
- Mounting Type: Decentralized, motor-mounted (inline with gearmotor)
- Integrated Features: Brake control, DC bus management, real-time diagnostics
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SEW DFS56L-TF-RH1M-KK
Core Performance and Selection Advantages
The DFS56L-TF-RH1M-KK delivers significant value in modern motion-centric applications by combining high responsiveness with compact mechanical integration. Its processing architecture enables cycle times below 1 ms on EtherCAT networks, outperforming legacy distributed drives that rely on slower fieldbus protocols. Compared to conventional centralized drive cabinets, this unit reduces wiring complexity by up to 70%, directly lowering installation labor and material costs. A key functional highlight is the native integration of STO without external safety relays—enhancing both safety integrity and panel space savings. Additionally, the drive supports SEW’s “Plug & Play” commissioning via NFC or Bluetooth using the MOVITools® Mobile app, drastically cutting startup time. From a total cost of ownership (TCO) perspective, the elimination of control cabinets, reduced cabling, and predictive maintenance data via integrated diagnostics contribute to lower operational expenses over the system lifecycle.
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SEW DFS56L-TF-RH1M-KK
System Integration and Scalability
This drive operates within SEW’s MOVI-C® ecosystem and is programmed through the MOVIKIT® engineering suite, which unifies logic, motion, and HMI configuration in a single environment—streamlining development and reducing engineering errors. Native EtherCAT support ensures seamless interoperability with major PLC platforms (e.g., Beckhoff, Siemens, Rockwell) and enables direct connectivity to higher-level systems via OPC UA over TSN or standard Ethernet. For cloud or MES integration, the drive can publish operational data through MQTT when paired with a MOVI-C® controller or edge gateway. In terms of scalability, the DFS56 series supports daisy-chained topologies with automatic topology detection, allowing rapid expansion of axis count without reconfiguration. It integrates directly with SEW gearmotors (e.g., DRS/DRE series) and supports up to 64 axes per network segment. Redundancy is achievable at the controller level, and additional functionality—such as encoder feedback types or expanded I/O—is accommodated through modular terminal blocks or communication adapters, ensuring adaptability across diverse automation architectures.
