VLT ® FCM SeriesPotentiometer option (177N0011) .......................................................................... 31Local Operation Pad (LOP) (175N0128) IP65 .......................................................... 32Programming .................................................................................................... 34PC Software tools .................................................................................................. 78Serial bus ............................................................................................................... 78Telegram communication ....................................................................................... 78Telegram build-up ................................................................................................... 78Databytes ............................................................................................................... 79Control word according to Fieldbus Profile Standard .............................................. 81All about FCM 300 .......................................................................................... 87Galvanic isolation (PELV) ......................................................................................... 87Earth leakage current ............................................................................................. 87Extreme running conditions .................................................................................... 87Acoustic noise ........................................................................................................ 88Balance ................................................................................................................. 88Thermal Protection and Derating ............................................................................ 89Derating for ambient temperature ........................................................................... 89Derating for air pressure ......................................................................................... 89Derating for running at low speed ........................................................................... 89Derating for high switching frequency ..................................................................... 89Vibration and shock ................................................................................................ 90Air humidity ............................................................................................................ 90Efficiency ................................................................................................................ 90Mains supply interference/harmonics ...................................................................... 90Power factor .......................................................................................................... 91What is CE labelling? .............................................................................................. 91The machinery directive(98/37/EEC) ....................................................................... 91The low-voltage directive (73/23/EEC) .................................................................... 91The EMC directive(89/336/EEC) ............................................................................. 91What is covered? ................................................................................................... 91Danfoss FCM 300 Series motor and CE labelling ................................................... 92Compliance with EMC directive 89/336/EEC .......................................................... 92EMC standards ...................................................................................................... 92Aggressive environments ........................................................................................ 93List of warnings and alarms .................................................................................... 94What if the motor does not start? ........................................................................... 94Warnings ............................................................................................................... 94Warning word, extended Status word and Alarm word ........................................... 96List of parameters .................................................................................................. 98Index .................................................................................................................... 104MG.03.H3.02 - VLT is a registered Danfoss trademark2