VLT
®
2800 Series
Connection examples ............................................................................................ 56
Use of internal PID-controller - closed loop process control .................................. 58
Programming .................................................................................................... 60
Operation & D isplay ............................................................................................... 60
Setup configuration ................................................................................................ 60
Load and Motor ..................................................................................................... 68
DC Braking ............................................................................................................ 73
References & Limits ............................................................................................... 78
Handling of references ...................... ..................................................................... 78
Reference function ............................ ............................................................ ......... 82
Inputs and outputs ................................................................................................. 87
Special functions .................................................................................................... 97
PID functions ................................... .................................................................... 100
Handling of feedback ........................................................................................... 101
Serial communicat ion for VLT 2800 ..................................................................... 108
Control Word according to FC protocol ............................................................... 112
Status Word according to FC Profile .................................................................... 114
Control word according to Fieldbus Profile .......................................................... 115
Status word according to Profidrive p rotocol ....................................................... 116
Serial communication ........................................................................................... 119
Technical functions ........................... ............................................................ ....... 127
All about VLT 2800 ....................................................................................... 131
Special conditions ................................................................................................ 131
Galvanic Isolation (PELV) ...................................................................................... 131
Earth leakage current and RCD relays ................................................................. 131
Extreme operating conditions ............................................................................... 131
dU/dt on motor .................................................................................................... 132
Switching on the input ......................................................................................... 132
Acoustic noise ............................................................................................... ....... 132
Temperature-dependent switch frequency ........................................................... 133
Derating for air pressure ...................................................................................... 133
Derating for running at low speed ..... ................................................................... 133
Derating for long motor cables ............................................................................. 133
Derating for high switching frequency - VLT 2800 ................................................ 133
Vibration and shock ............................................................................................. 134
Air humidity .......................................................................................................... 134
UL Standard ........................................................................................................ 134
Efficiency .............................................................................................................. 134
Mains supply interference/harmonics ................................................................... 134
Power factor ........................................................................................................ 135
Generic EMC standards/product standards ......................................................... 136
EMC e m is sion ...................................................................................................... 136
EMC Immunity ...................................................................................................... 138
Harmonic Current Emission .................................................................................. 139
Aggressive environments ...................................................................................... 139
Display rea dout .................................................................................................... 140
Warnings/alarm m essages ................................................................................... 140
Warning words, extended status words and Alarmwords ................................... 145
General technical d ata ......................................................................................... 146
Technical data, mains supply 1 x 220 - 240 V/3 x 200-240V ........................ ...... 150
Technical data, mains supply 3 x 380 - 480 V ..................................................... 151
Available literature ................................................................................................. 152
MG.28.E9.02 - VLT is a registered Danfoss trademark
2
To Next Page
Loading...
Need help?
General
