FAQ: Is it possible to add external regen resistors to the SGDG LEGEND amplifiers?
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Yes. External regen resistor can be added to the SGDG-10GT and SGDG-15GT by connecting it across terminals B1 & B2. Switch SW1-5 should be turned OFF when external regen resistor is added.
The LEGEND SGDG-01GT & SGDG-04GT needs special attention when external regen resistor is required in the appication. External regen unit JUSP-RG08D must be used with the SGDG-01GT. The JUSP-RG08D is a self-contain unit consisting of DC bus sensing and alarm circuitry, switching IGBT, and a 50 ohm regen resistor. The JUSP-RG08D can also be used with the SGDG-04GT, or the user can order the SGDG-04GTY22P for regen applications only. The SGDG-04GTY22P must have two (2) RH500N25_ohmK resistors wired in series connected to it at all times. See attached document, eng02.027MCD, for more details.
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Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.
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