Appendix - YASKAWA VS-626M5 Instruction Manual

This appendix explains the Inverter drive basics, how to select the drive ca-
pacity, designing an interface and cooling configuration, wiring, and the
VS-626M5 drive specifications.
15.1 Inverter Drive Basics
15.1.1 Principle of an Inverter Drive
15.1.2 Inverter and Converter Configuration
15.1.3 Squirrel Cage Induction Motor Characteristics
15.1.4 Controlling an Induction Motor Using Vector
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.2 Basic Inverter Drive mechanics
15.2.1 Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.2.2 Rotator and Linear Operator Outputs
15.2.3 Inertial Moment and GD2
15.2.4 Converting Metric Units and SI Units
15.3 Determining Drive Capacity
15.3.1 Load Drive Capacity
15.3.2 Acceleration/deceleration Capacity
15.3.3 Calculating Start and Stop Times
15.3.4 Intermittent Load Operating Capacity
15.4 Interface Design
15.4.1 Sequence Input Signals
15.4.2 Speed Reference Signals
(M5A Stand-alone Drive)
15.4.3 Sequence Output Signals
(M5A Stand-alone Drive)
15.4.4 Analog Monitor Signals (M5A Stand-alone Drive)
15.4.5 YENET1200 Signals (M5N NC Drive)
15.5 Inverter/Converter Cooling Design
15.5.1 Temperature Rise within the Control Panel
15.5.2 Heat Exchanger Specifications
15.6 Wiring Examples
15.6.1 Independent Operation for Speed Control Using a
Digital Operator
15.6.2 Speed Control Operation Combined with NC
15.6.3 Multi-step Speed Operation Combined with PLC
15.7 Internal Block Diagram
15.8 VS-626M5 Specifications Entry Tables
15 -1
15

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