Page 7.13 - 2 COMBIVERT F5-A, -E, -H © KEB, 2012-10
Protective functions
7.13.1 Error and warning messages ................................................................................................7.13 - 4
7.13.1.1 underpotential ...................................................................................................... 7.13 - 5
7.13.1.2 Overvoltage ........................................................................................................7.13 - 6
7.13.1.3 overcurrent...........................................................................................................7.13 - 6
7.13.1.4 overload ............................................................................................................... 7.13 - 6
7.13.1.5 Inverter over temperature ....................................................................................7.13 - 7
7.13.1.6 External fault ........................................................................................................7.13 - 7
7.13.1.7 Bus error .............................................................................................................. 7.13 - 7
7.13.1.8 Limit switch error..................................................................................................7.13 - 8
7.13.1.9 Motor protection with temperature sensor ...........................................................7.13 - 8
7.13.1.10 Software motor protection....................................................................................7.13 - 9
7.13.1.11 Set selection error..............................................................................................7.13 - 10
7.13.1.12 Encoder interface / encoder error ...................................................................... 7.13 - 10
7.13.1.13 Speed limit exceeded ........................................................................................ 7.13 - 11
7.13.1.14 Speed controller limit reached ........................................................................... 7.13 - 11
7.13.1.15 Maximum acceleration exceeded ...................................................................... 7.13 - 11
7.13.1.16 General power circuit error ................................................................................ 7.13 - 11
7.13.1.17 Phase loss ......................................................................................................... 7.13 - 11
7.13.2 Response to malfunction messages ..................................................................................7.13 - 12
7.13.2.1 Selection of the response ..................................................................................7.13 - 12
7.13.2.2 Parametrisation of the abnormal stopping ......................................................... 7.13 - 14
7.13.3 Automatic restart .................................................................................................................7.13 - 17
7.13.3.1 Undervoltage error (E.UP) ................................................................................. 7.13 - 17
7.13.3.2 Overvoltage error (E.OP) ...................................................................................7.13 - 18
7.13.3.3 Overcurrent error (E.OC) ................................................................................... 7.13 - 18
7.13.3.4 Malfunction messages and pre-warnings ..........................................................7.13 - 18
7.13.4 Base block ............................................................................................................................7.13 - 18
7.13.5 Fast stop ...............................................................................................................................7.13 - 18
7.13.5.1 Quick stop in the V/F characteristic operation ...................................................7.13 - 19
7.13.5.2 Quick stop at closed-loop systems ....................................................................7.13 - 20
7.13.5.3 Time monitoring abnormal stopping ..................................................................7.13 - 21
7.13.5.4 S-curve for quick stop ramp ...............................................................................7.13 - 21
7.13.5.5 Abnormal stopping via control word...................................................................7.13 - 21
7.13.6 Speed search ........................................................................................................................7.13 - 21
7.13.6.1 Speed search in open-loop operation ................................................................7.13 - 22
7.13.6.2 Speed search in closed-loop operation with encoder ........................................ 7.13 - 22
7.13.6.3 Speed search at asynchronous motors in closed-loop operation without encoder ........
7.13 - 22
7.13.7 Ramp stop.............................................................................................................................7.13 - 22
7.13.7.1 Current-dependent ramp stop............................................................................7.13 - 23
7.13.7.2 DC link voltage-dependent ramp stop ...............................................................7.13 - 23
7.13.7.3 Ramp stop dependent on a digital input ............................................................7.13 - 24
7.13.8 Current limit constant run (stall function) .........................................................................7.13 - 24
7.13.8.1 Function of thecurrent limit ................................................................................7.13 - 26
7.13.9 Electronic motor protection ................................................................................................ 7.13 - 27
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