
4.3.1.3 Protections ....................................................................................................30
4.3.1.4 Maximum Number of Iterations for Auto-phasing..................................30
4.3.1.5 Starting the Motor without Digital Hall Sensors......................................31
Chapter 5: Limits, Protections, Faults and Diagnosis .........................................................32
5.1. Current Limiting ............................................................................................................. 33
5.2. Sensor Faults....................................................................................................................35
5.2.1 Motor Does Not Move Protection...................................................................35
5.2.2 Commutation Faults ........................................................................................36
5.2.2.1 Matching the Hall Sensors with an Incremental Position Sensor ...........36
Chapter 6: The Position Reference Generator......................................................................38
6.1. Software Reference Generator .......................................................................................38
6.1.1 Switching Between Motion Modes.................................................................39
6.1.2 Comparing PT and PVT Interpolated Modes................................................39
6.1.3 Idle Mode and Motion Status..........................................................................40
6.1.4 Point-to-Point (PTP).........................................................................................41
6.1.4.1 Basic PTP.......................................................................................................41
6.1.4.2 More Complex PTP Motions.......................................................................43
6.1.5
Jog ......................................................................................................................45
6.1.6 Position - Velocity - Time (PVT).....................................................................47
6.1.6.1 The PVT Table..............................................................................................51
6.1.6.2 Motion Management ...................................................................................52
6.1.6.3 Mode Termination .......................................................................................54
6.1.6.4 PVT Motion Using CAN .............................................................................54
6.1.6.5 PVT Motion Mode Parameters ...................................................................58
6.1.7
Position - Time (PT) .........................................................................................59
6.1.7.1 Interpolation Mathematics..........................................................................60
6.1.7.2 The PT Table.................................................................................................61
6.1.7.3 Motion Management ...................................................................................61
6.1.7.4 PT Motion Mode Parameters...................................................................... 66
6.2.
The External Position Reference Generator..................................................................67
6.2.1 Follower ............................................................................................................ 68
SimplIQ for Steppers Application Note Contents
MAN-STECR (Ver. 1.1)
3
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