
TABLE OF CONTENTS B-65302EN/01
c-2
3.2.2 Calculating the Motor Speed................................................................................. 47
3.2.3 Calculating the load inertia.................................................................................... 48
3.2.4 Calculating the Acceleration Torque..................................................................... 52
3.2.4.1 Calculating acceleration torque ..........................................................................52
3.2.4.2 Calculating the torque required by the motor shaft in acceleration ....................55
3.2.5 Calculating the Root-mean-square Value of the Torques ..................................... 57
3.2.6 Calculating the Percentage Duty Cycle and ON Time with the Maximum
Cutting Torque....................................................................................................... 59
3.2.7 Calculating the Dynamic Brake Stop Distance ..................................................... 61
3.3 HOW TO FILL IN THE SERVO MOTOR SELECTION DATA TABLE .........64
3.3.1 Servo Motor Selection Data Table ........................................................................ 64
3.3.2 Explanation of Items.............................................................................................. 67
3.3.2.1 Title ................................................................................................................67
3.3.2.2 Specifications of moving object .........................................................................68
3.3.2.3 Mechanical specifications ..................................................................................70
3.3.2.4 Motor specifications and characteristics ............................................................73
3.4 CHARACTERISTIC CURVE AND DATA SHEET........................................75
3.4.1 Performance Curves .............................................................................................. 75
3.4.2 Data Sheet.............................................................................................................. 78
4 CONDITIONS FOR APPROVAL RELATED TO THE IEC60034
STANDARD..........................................................................................81
4.1 TYPES OF MOTORS TO BE APPROVED..................................................82
4.2 APPROVED SPECIFICATIONS ..................................................................83
4.2.1 Motor Speed (IEC60034-1) ................................................................................... 83
4.2.2 Output (IEC60034-1)............................................................................................. 83
4.2.3 Protection Type (IEC60034-5) .............................................................................. 84
4.2.4 Cooling Method (IEC60034-6).............................................................................. 84
4.2.5 Mounting Method (IEC60034-7)........................................................................... 84
4.2.6 Heat Protection (IEC60034-11)............................................................................. 85
4.2.7 Grounding (IEC60204-1)....................................................................................... 85
4.2.8 Remarks ................................................................................................................. 85
4.3 CONNECTORS REQUIRED FOR APPROVAL...........................................86
4.3.1 Power Line Connectors (for Models β0.2is and β0.3is) ....................................... 86
4.3.2 Power Line Connectors (for Models β0.4is to β1is)............................................. 86
4.3.3 Power Line Connectors (for Models β2is to β3is)................................................ 87
4.3.4 Power Line Connectors (for Models β8is to β22is).............................................. 88
5 FEEDBACK SENSOR..........................................................................89
5.1 PULSECODER ............................................................................................90