Raise the power factor More approvals and certifications are available. Contact the reflected back to the line. local Danfoss partner. Frequency converters of enclosure • Reduce harmonics on the AC size T7 (525–690 V) are UL certified for only 525–600 V.
RS485 is a 2-wire bus interface compatible with multi-drop network topology, and it contains the following features: • Either Danfoss FC or Modbus RTU communication Illustration 4.28 Serial Communication Wiring Diagram protocol, which are internal to the drive, can be used.
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Check for loose or missing wiring. Failure to use qualified personnel to install, start up, and maintain the frequency converter can result in death or It may be necessary to contact the Danfoss supplier or serious injury. service department. Note the code number for further •...
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The problem could be on the power card, Replace the power card. on the gatedrive card, or the ribbon cable between the 512–519 Internal fault. Contact the Danfoss supplier or power card and gatedrive card. Danfoss service department. WARNING 40, Overload of digital output terminal 27...
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The output frequency has reached the value set in ALARM 50, AMA calibration failed parameter 4-19 Max Output Frequency. Check the Contact the Danfoss supplier or Danfoss service application for possible causes. Possibly increase the department. output frequency limit. Be sure that the system can...
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ALARM 70, Illegal FC configuration parameter 4-37 Tracking Error Ramping. The control card and power card are incompatible. To check compatibility, contact the Danfoss supplier with the ALARM 79, Illegal power section configuration type code from the unit nameplate and the part numbers The scaling card has an incorrect part number or is not of the cards.
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Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.
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