Yaskawa SGDH-20DE-OY Servopack – Sigma II 2.0 kW Servo Drive
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Product Information
The Yaskawa SGDH-20DE-OY is a 2.0 kW Servopack AC servo drive belonging to the Sigma II series, engineered for precise velocity, torque, and position control in industrial automation applications. Operating on a three-phase input supply of 380 V AC to 480 V AC at 50/60 Hz with a rated input current of 6.0 A, this compact 1.69 kg unit converts line power to drive high-performance AC servo motors. It provides a continuous output current of 8.4 A with an output voltage range from 0 V AC to 480 V AC across a dynamic frequency spectrum of 0 Hz to 300 Hz. Designed for high power density in tight cabinet enclosures, it is commonly integrated into metalworking equipment, CNC machine tools, packaging lines, and automated material handling systems.
Connecting the SGDH-20DE-OY requires standard three-phase power wiring and motor power leads, along with a dedicated PC interface for system integration. Drive parameters and operating profiles are preserved in internal non-volatile EEPROM, eliminating memory loss during power cycles and enabling fast setup during drive replacement. Replacing a unit requires backing up and uploading parameter sets using Yaskawa SigmaWin+ engineering software to align drive tuning, speed control limits, and axis settings. Because the -OY suffix indicates a manufacturer-specific OEM hardware or firmware configuration, verifying that parameter structures and custom settings match the original unit is critical before putting a spare drive into production. ABC Industrial Parts can assist maintenance teams with parameter extraction and drive configuration to ensure smooth commissioning.
System diagnostics and operating conditions are monitored through the SigmaWin+ software interface via a connected PC, allowing technicians to evaluate performance and verify automatic tuning routines. Integrated adaptive vibration suppression actively counters mechanical load fluctuations to reduce machine settling time and maintain positioning accuracy. First-line troubleshooting for drive issues should include checking three-phase input line voltages, output motor power wiring, and encoder communication stability. If internal hardware failures or power component breakdown occur on a drive, field repairs are generally not practical; swapping the faulty unit for a fully tested replacement drive from ABC Industrial Parts provides a fast route to resuming production.
Technical Specifications
| Manufacturer | Yaskawa |
| Part Number | SGDH-20DE-OY |
| Model / Type | Servopack |
| Product Family | Sigma II |
| Component Type | Servo Drive |
| Rated Power | 2.0 kW (2.68 HP) |
| Supply Voltage Range | 380 - 480 V AC |
| Input Phase | 3-phase |
| Input Frequency | 50/60 Hz |
| Rated Input Current | 6.0 A |
| Continuous Output Current | 8.4 A |
| Output Voltage Range | 0 - 480 V AC |
| Output Frequency Range | 0 - 300 Hz |
| Control Method | Servo Control |
| Ambient Operating Temperature | 0 to 55 °C |
| Weight | 1.69 kg |
| Parameter Storage | Internal Non-volatile EEPROM |
| Engineering Software | SigmaWin+ |
Programming and Configuration
Configuration and parameter management for the Yaskawa SGDH-20DE-OY are carried out using SigmaWin+ engineering software via a PC interface. The software grants maintenance technicians full access to internal parameter files, speed and torque loop settings, and axis operation profiles. Drive settings are stored inside non-volatile EEPROM memory, ensuring configuration persistence even when main line power is disconnected for extended periods.
During initial setup or drive replacement, SigmaWin+ provides guided auto-tuning functions and model tracking control. The built-in advanced automatic tuning continuously adjusts gain settings to match mechanical load characteristics, while integrated adaptive vibration suppression suppresses mechanical resonances caused by load fluctuations. When swapping a unit, parameter sets saved in the original drive's EEPROM can be downloaded and transferred directly to the replacement unit to preserve OEM-specific machine dynamics.
Diagnostics and Status Indication
Diagnostic monitoring for the Yaskawa SGDH-20DE-OY relies on live data telemetry via the SigmaWin+ software interface connected through a PC cable. The software allows real-time tracking of operational variables, including output frequency up to 300 Hz, current draw up to 8.4 A, and drive status conditions during axis movement.
Through the SigmaWin+ software environment, maintenance personnel can verify auto-tuning convergence, evaluate load fluctuation vibration suppression effectiveness, and diagnose axis positioning irregularities. Monitoring these dynamic parameters during commissioning helps identify mechanical binding, loose power connections, or unbalanced line supply voltages before operational faults occur.
Replacement and Spare Part Considerations
When sourcing a spare unit for the Yaskawa SGDH-20DE-OY, verifying the full part number designation is essential for drop-in compatibility. The -OY suffix signifies an OEM-specific hardware or firmware modification tailored to specific machine tool or packaging machinery builders. Standard SGDH series drives or drives with different suffixes may lack specific firmware routines or parameter structures required by the host machine controller.
Replacing an active drive involves transferring stored EEPROM configuration data from the existing drive using SigmaWin+ software. Before applying full motor load to a replacement drive, technicians should confirm three-phase input supply matching within 380 V AC to 480 V AC, verify 8.4 A motor current compatibility with connected Sigma II series 2.0 kW motors, and ensure power wiring and phase rotation match system requirements.
Frequently Asked Questions
What does the -OY suffix in SGDH-20DE-OY indicate?
The -OY suffix designates an OEM-specific hardware or firmware modification created for specific machinery builders. When replacing the drive, configuration parameters must be matched or uploaded from the original unit using SigmaWin+ software.
What power supply is required to operate the Yaskawa SGDH-20DE-OY?
The drive requires a 380 V AC to 480 V AC three-phase supply at 50/60 Hz, with a rated input current draw of 6.0 A.
How are parameters backed up and restored on this Servopack?
Parameters are stored in non-volatile internal EEPROM memory. They can be backed up, modified, and restored using a PC running Yaskawa SigmaWin+ engineering software connected to the drive interface.
Which motors are compatible with the SGDH-20DE-OY?
This 2.0 kW Servopack drive is designed to pair with Yaskawa Sigma II series 2.0 kW AC servo motors operating within an output current rating up to 8.4 A.
Does the SGDH-20DE-OY feature automatic tuning capabilities?
Yes, the drive includes advanced automatic tuning and adaptive vibration suppression features managed through SigmaWin+ software to minimize machine settling time and compensate for load fluctuations.
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Data backup and recovery
Have you lost valuable parameters or data due to a malfunction while the manufacturer no longer provides support? At ABC Industrial Parts, we help you secure this data, both for common and specific products.
Specific firmware and hardware versions
If you are working with specific hardware or firmware versions that are no longer available from the manufacturer, ABC Industrial Parts is your partner. When making your enquiry, clearly state which versions you need, we will then look at the possibilities of supplying those versions, so that your installations continue to function optimally.
Disclaimer:
We are not an authorised distributor of Yaskawa.
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