{"product_id":"control-techniques-uni1401","title":"Control Techniques UNI1401","description":"\u003ch2\u003e Control Techniques UNI1401\u003c\/h2\u003e\n\u003cp\u003e The Control Techniques UNI1401 is an advanced AC servo drive designed to meet the demanding needs of modern industrial applications. This product offers high performance, reliability, and precision, making it ideal for a wide range of automation tasks.\u003c\/p\u003e\n\u003ch2\u003eTechnical Description:\u003c\/h2\u003e\n\u003cp\u003e The UNI1401 servo drive has a nominal rating of 0.75 kW or 1.0 hp. It supports various switching frequencies, with maximum permissible continuous output currents ranging from 2.1 A at 3 kHz to 2.1 A at 12 kHz for 40 °C ambient conditions.\u003c\/p\u003e\n\u003cp\u003e At 50°C, the permissible output current remains at 2.1 A across the same frequency range. This ensures the drive can maintain performance under varying thermal conditions.\u003c\/p\u003e\n\u003cp\u003e Power dissipation for the UNI1401 is consistent, with a maximum total power dissipation of 80W at 3 kHz and 90 W at frequencies from 6 kHz to 12 kHz. The typical input current is 3.0 A, and the maximum continuous input current is 4.5 A. The heatsink fan for the UNI1401 operates on either 115 V or 230 V single-phase AC with a frequency range of 48 to 62 Hz. The fan current varies, with 1.02 A at 50 Hz 1.36 A at 60 Hz for 115 V, and 0.51 A at 50 Hz, and 0.68 A at 60 Hz for 230 V. \u003c\/p\u003e\n\u003ch2\u003e AC Supply Requirements:\u003c\/h2\u003e\n\u003cp\u003e The UNI1401 operates with an AC supply voltage of 380 V to 480 V ± 10 % or 200 V to 240 V ± 10 %, suitable for various industrial power standards. It requires a three-phase supply and accommodates a frequency range of 48 to 62 Hz. The maximum supply imbalance is limited to a 2 % negative phase sequence, ensuring stable performance even with minor supply variations. \u003c\/p\u003e\n\u003ch2\u003e Accuracy and Resolution:\u003c\/h2\u003e\n\u003cp\u003e The drive offers precise control with an open-loop frequency resolution of 0.1 Hz for preset frequency references and 0.001 Hz for precision frequency references. The open-loop frequency accuracy is maintained at 0.03 Hz or 0.01 % of the reference value, whichever is larger. \u003c\/p\u003e\n\u003cp\u003e In closed-loop operations, the preset speed reference is 1rpm, with a precision speed reference of 0.01rpm. This high level of accuracy ensures precise motor control and optimal performance in applications requiring fine adjustments. \u003c\/p\u003e\n\u003ch2\u003e Standard Operating Precautions:\u003c\/h2\u003e\n\u003cp\u003e When operating the UNI1401, it is essential to adhere to specific precautions to ensure safety and longevity. Ensure the AC supply voltage and frequency are within the specified ranges. Avoid exceeding the maximum permissible continuous output current to prevent overheating. \u003c\/p\u003e\n\u003cp\u003e Regularly check the phase sequence and supply imbalance to maintain optimal performance. Use appropriate fuses or circuit breakers as per the rated specifications to protect the drive from electrical faults.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions:\u003c\/h2\u003e\n\u003ch3\u003e What are the nominal ratings for the UNI1401?\u003c\/h3\u003e\n\u003cp\u003e The UNI1401 has a nominal rating of 0.75 kW. It also has a nominal rating of 1.0 hp. This ensures sufficient power for various industrial applications.\u003c\/p\u003e\n\u003ch3\u003e What are the maximum continuous input and output currents?\u003c\/h3\u003e\n\u003cp\u003e The maximum continuous input current is 4.5 A. The permissible continuous output current is 2.1 A across all frequencies at both 40°C and 50°C ambient conditions. This ensures reliable performance under various temperatures.\u003c\/p\u003e\n\u003ch3\u003e How precise is the frequency resolution of the UNI1401?\u003c\/h3\u003e\n\u003cp\u003e The open-loop frequency resolution is 0.1 Hz for preset references. The precision frequency reference is 0.001 Hz. This high resolution ensures accurate motor control.\u003c\/p\u003e\n\u003ch2\u003eProduct Specifications Table\u003c\/h2\u003e\n\u003ctable\u003e\n    \u003ctr\u003e\n        \u003cth\u003eAttribute\u003c\/th\u003e\n        \u003cth\u003eSpecifications\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eSeries\u003c\/td\u003e\n        \u003ctd\u003eUnidrive\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eProduct Type\u003c\/td\u003e\n        \u003ctd\u003eAC Servo Drive\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eNominal Rating\u003c\/td\u003e\n        \u003ctd\u003e0.75 kW \/ 1.0 hp\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eVoltage Range\u003c\/td\u003e\n        \u003ctd\u003e380 to 480V ±10% \/ 200 to 240V ±10%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eFrequency Range\u003c\/td\u003e\n        \u003ctd\u003e48 to 62 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eMaximum Continuous Input Current\u003c\/td\u003e\n        \u003ctd\u003e4.5A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eMaximum Continuous Output Current\u003c\/td\u003e\n        \u003ctd\u003e2.1A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003ePower Dissipation\u003c\/td\u003e\n        \u003ctd\u003e80W at 3kHz \/ 90W at 6kHz to 12kHz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eOpen-loop Frequency Resolution\u003c\/td\u003e\n        \u003ctd\u003e0.1Hz (Preset) \/ 0.001Hz (Precision)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eClosed-loop Speed Resolution\u003c\/td\u003e\n        \u003ctd\u003e1rpm (Preset) \/ 0.01rpm (Precision)\u003c\/td\u003e\n    \u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Control Techniques","offers":[{"title":"IAC Certified Refurbished","offer_id":44007465255148,"sku":"UNI1401-R","price":1590.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/control-techniques-uni1401-iac-certified-refurbished-704.jpg?v=1780934566","url":"https:\/\/www.industrialautomationco.com\/products\/control-techniques-uni1401","provider":"Industrial Automation Co.","version":"1.0","type":"link"}