Danfoss VLT HVAC FC 100 Operating Instructions Manual

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Danfoss VLT HVAC FC 100 Operating Instructions Manual Manual pdf 44 page image

7 Status Messages7.1 Status DisplayWhen the frequency converter is in status mode, statusmessages are generated automatically from within thefrequency converter and appear in the bottom line of thedisplay (see Illustration 7.1.)Status799RPM 7.83A 36.4kW0.00053.2%1(1)AutoHandOffRemoteLocal RampingStopRunningJogging...Stand by130BB037.10a b cIllustration 7.1 Status Displaya. The first part of the status line indicates wherethe stop/start command originates.b. The second part of the status line indicates wherethe speed control originates.c. The last part of the status line gives the presentfrequency converter status. These show theoperational mode the frequency converter is in.NOTEIn auto/remote mode, the frequency converter requiresexternal commands to execute functions.7.2 Status Message Definitions TableThe next three tables define the meaning of the statusmessage display words.Operation modeOff The frequency converter does not react to anycontrol signal until [Auto On] or [Hand On] ispressed.Auto on The frequency converter is controlled from thecontrol terminals and/or the serial communi-cation.Hand on The frequency converter can be controlled bythe navigation keys on the LCP. Stopcommands, reset, reversing, DC brake, andother signals applied to the control terminalscan override local control.Table 7.1Reference siteRemote The speed reference is given from externalsignals, serial communication, or internalpreset references.Local The frequency converter uses [Hand On]control or reference values from the LCP.Table 7.2Operation statusAC Brake AC Brake was selected in 2-10 Brake Function.The AC brake over-magnetizes the motor toachieve a controlled slow down.AMA finish OK Automatic motor adaptation (AMA) wascarried out successfully.AMA ready AMA is ready to start. Press [Hand On] to start.AMA running AMA process is in progress.Braking The brake chopper is in operation. Generativeenergy is absorbed by the brake resistor.Braking max. The brake chopper is in operation. The powerlimit for the brake resistor defined in2-12 Brake Power Limit (kW) is reached.Coast • Coast inverse was selected as a functionfor a digital input (parameter group 5-1*).The corresponding terminal is notconnected.• Coast activated by serial communicationStatus Messages VLT® HVAC Drive D-FrameOperating InstructionsMG16D102 - VLT® is a registered Danfoss trademark 417 7