Yaskawa Varispeed 626M5 - Manual (Page 273)

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Appendix
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 -2 . . . . . . . . . . . . . . . . . .
15.1.1 Principle of an Inverter Drive 15 -2 . . . . . . . . . . . . . . . . . .
15.1.2 Inverter and Converter Configuration 15 -3 . . . . . . . . . .
15.1.3 Squirrel Cage Induction Motor Characteristics 15 -3 . . .
15.1.4 Controlling an Induction Motor Using Vector
Control 15 -5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.2 Basic Inverter Drive mechanics 15 -6 . . . . . . . . .
15.2.1 Torque 15 -6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.2.2 Rotator and Linear Operator Outputs 15 -6 . . . . . . . . . .
15.2.3 Inertial Moment and GD2 15 -7 . . . . . . . . . . . . . . . . . . . . .
15.2.4 Converting Metric Units and SI Units 15 -10 . . . . . . . . . . .
15.3 Determining Drive Capacity 15 -11 . . . . . . . . . . . .
15.3.1 Load Drive Capacity 15 -11 . . . . . . . . . . . . . . . . . . . . . . . . .
15.3.2 Acceleration/deceleration Capacity 15 -15 . . . . . . . . . . . .
15.3.3 Calculating Start and Stop Times 15 -17 . . . . . . . . . . . . . .
15.3.4 Intermittent Load Operating Capacity 15 -18 . . . . . . . . . .
15.4 Interface Design 15 -19 . . . . . . . . . . . . . . . . . . . . . .
15.4.1 Sequence Input Signals 15 -19 . . . . . . . . . . . . . . . . . . . . . .
15.4.2 Speed Reference Signals
(M5A Stand-alone Drive) 15 -21 . . . . . . . . . . . . . . . . . . .
15.4.3 Sequence Output Signals
(M5A Stand-alone Drive) 15 -21 . . . . . . . . . . . . . . . . . . .
15.4.4 Analog Monitor Signals (M5A Stand-alone Drive) 15 -22
15.4.5 YENET1200 Signals (M5N NC Drive) 15 -22 . . . . . . . . . .
15.5 Inverter/Converter Cooling Design 15 -23 . . . . . . .
15.5.1 Temperature Rise within the Control Panel 15 -23 . . . . .
15.5.2 Heat Exchanger Specifications 15 -24 . . . . . . . . . . . . . . . .
15.6 Wiring Examples 15 -25 . . . . . . . . . . . . . . . . . . . . . .
15.6.1 Independent Operation for Speed Control Using a
Digital Operator 15 -25 . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.6.2 Speed Control Operation Combined with NC 15 -27 . . . .
15.6.3 Multi-step Speed Operation Combined with PLC 15 -28
15.7 Internal Block Diagram 15 -29 . . . . . . . . . . . . . . . . .
15.8 VS-626M5 Specifications Entry Tables 15 -30 . . .
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