Danfoss FC 300 Interbus Operating Instructions Manual

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Contents

Danfoss FC 300 Interbus Operating Instructions Manual Manual pdf 21 page image

5.2.1. The Drivecom State MachineThe state machine describes the device status and the possible controlsequence of the frequency converter. A status represents a specific in-ternal and external response. By means of device control commands and/or internal events, the status can be changed and a control sequence thusexecuted. The current status can be read out via the frequencyconverter’s status word.The flow chart to the right and the following explanation may help tounderstand the principle: To change from state A to state B, the condition“Control word bit 1” has to be set to 0. This causes the transition 0 to beexecuted. In state B the status word is: xx01H.FC 300 Interbus Operating Instructions 5. How to Control the FC 300MG.33.H3.02 - VLT is a registered Danfoss trademark 215