SKS Sweden Bonfiglioli Vectron ACTIVE CUBE ACU 201 Series, Operating Instructions Manual

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Operating Instructions ACU
09/08
10 System Data ............................................................................................................... 112
10.1 Actual System Value ............................................................................... 112
10.2 Volume Flow and Pressure ...................................................................... 112
11 Operational Behavior ................................................................................................. 113
11.1 Starting Behavior .................................................................................... 113
11.1.1 Starting Behavior of Sensorless Control System ................................................ 113
11.1.1.1 Starting Current ............................................................................................ 115
11.1.1.2 Frequency Limit ............................................................................................ 115
11.1.1.3 Brake release time ........................................................................................ 115
11.1.2 Flux Formation .............................................................................................. 116
11.2 Stopping Behavior ................................................................................... 117
11.2.1 Switch-Off Threshold ..................................................................................... 119
11.2.2 Holding Time ................................................................................................ 119
11.3 Direct current brake ................................................................................ 119
11.4 Auto Start ................................................................................................ 120
11.5 Search Run .............................................................................................. 121
11.6 Positioning .............................................................................................. 122
11.6.1 Reference Positioning .................................................................................... 123
11.6.2 Axle Positioning ............................................................................................. 126
12 Error and warning behavior ....................................................................................... 129
12.1 Overload Ixt ............................................................................................ 129
12.2 Temperature ........................................................................................... 129
12.3 Controller status ..................................................................................... 130
12.4 IDC Compensation Limit ......................................................................... 130
12.5 Frequency Switch-Off Limit .................................................................... 131
12.6 Motor Temperature ................................................................................. 131
12.7 Phase Failure ........................................................................................... 132
12.8 Automatic Error Acknowledgment .......................................................... 133
13 Reference Values........................................................................................................ 134
13.1 Frequency Limits ..................................................................................... 134
13.2 Slip Frequency ......................................................................................... 134
13.3 Percentage Value Limits ......................................................................... 134
13.4 Frequency reference channel .................................................................. 135
13.4.1 Block diagram ............................................................................................... 136
13.5 Reference percentage channel ............................................................... 138
13.5.1 Block diagram ............................................................................................... 138
13.6 Fixed reference values ............................................................................ 140
13.6.1 Fixed Frequencies ......................................................................................... 140
13.6.2 JOG frequency .............................................................................................. 141
13.6.3 Fixed Percentages ......................................................................................... 141
13.7 Frequency ramps .................................................................................... 142
13.8 Percentage Value Ramps ........................................................................ 145
13.9 Block Frequencies ................................................................................... 145
Operating Instructions ACU 09/08 6