FAQ: What voltage levels will cause an overvoltage or undervoltage alarm?
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All Yaskawa Sigma and LEGEND series amplifiers input power specifications are +10% to -15%. 10% above the highest voltage input specified will cause an overvoltage alarm, while 15% below the lowest voltage specified will cause an undervoltage alarm.
For a 100-115 amplifier +10% / -15% equates to 85 VAC and 126 VAC respectively.
For a 200-230 amplifier +10% / -15% equates to 170 VAC and 253 VAC respectively.
For a 400-480 amplifier +10% / -15% equates to 340 VAC and 528 VAC respectively.
SAFETY PRECAUTIONS AND INSTRUCTIONS FOR USE OF FAQ INFORMATION!
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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If you have an urgent request, please call: 1-800-YASKAWA (927-5292) or 1-847-887-7000.Electronically
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2121 Norman Drive South
Waukegan, IL 60085