Table of Contents
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Decentral Solutions
Extreme operating conditions ............................................................................... 180
dU/dt on motor .................................................................................................... 180
Switching on the input .......................................................................................... 181
Acoustic noise ...................................................................................................... 181
Temperature-dependent switch frequency ............................................................ 182
Derating for air pressure ....................................................................................... 182
Derating for running at low speed ......................................................................... 182
Motor cable lengths .............................................................................................. 182
Vibration and shock .............................................................................................. 182
Air humidity .......................................................................................................... 183
UL Standard ......................................................................................................... 183
Efficiency .............................................................................................................. 183
Electrical supply interference/harmonics ............................................................... 183
Power factor ........................................................................................................ 184
standards ............................................................................................................. 185
Aggressive environments ...................................................................................... 187
Cleaning ............................................................................................................... 187
Status messages .................................................................................................. 189
Warnings/alarm messages ................................................................................... 189
Warning words, extended status words and alarm words ..................................... 192
General technical data .......................................................................................... 194
Technical data, line supply 3 x 380 - 480V ............................................................ 199
Available literature ................................................................................................. 200
Supplied with the unit ........................................................................................... 200
Factory Settings ................................................................................................... 201
.................................................................................................................... 209
MG.90.F2.22 - VLT is a registered Danfoss trademark
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