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YASKAWA Varispeed G7 Series User Manual

YASKAWA Varispeed G7 Series
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xiii
Run Command ...........................................................................................6-10
Selecting the Run Command Source ...........................................................................6-10
Stopping Methods.......................................................................................6-12
Selecting the Stopping Method when a Stop Command is Sent...................................6-12
Using the DC Injection Brake........................................................................................6-16
Using an Emergency Stop ............................................................................................6-17
Acceleration and Deceleration Characteristics...........................................6-18
Setting Acceleration and Deceleration Times...............................................................6-18
Accelerating and Decelerating Heavy Loads (Dwell Function).....................................6-22
Preventing the Motor from Stalling During Acceleration
(Stall Prevention During Acceleration Function) ...........................................................6-23
Preventing Overvoltage During Deceleration
(Stall Prevention During Deceleration Function)...........................................................6-25
Preventing Overvoltage by Automatically Reducing the Regenerative Torque Limit
(Overvoltage Inhibit Function, PRG 102 only) ...........................................................6-26
Adjusting Frequency References ...............................................................6-28
Adjusting Analog Frequency References .....................................................................6-28
Operation Avoiding Resonance (Jump Frequency Function) .......................................6-31
Adjusting Frequency Reference Using Pulse Train Inputs ...........................................6-33
Speed Limit (Frequency Reference Limit Function) ...................................6-34
Limiting Maximum Output Frequency ...........................................................................6-34
Limiting Minimum Frequency........................................................................................6-34
Improved Operating Efficiency ...................................................................6-36
Reducing Motor Speed Fluctuation (Slip Compensation Function) ..............................6-36
Compensating for Insufficient Torque at Startup and Low-speed Operation
(Torque Compensation) ................................................................................................6-38
Starting Torque Compensation .....................................................................................6-40
Hunting-prevention Function.........................................................................................6-41
Stabilizing Speed (Speed Feedback Detection Function) ............................................6-42
Machine Protection.....................................................................................6-43
Reducing Noise and Leakage Current..........................................................................6-43
Limiting Motor Torque (Torque Limit Function).............................................................6-47
Preventing Motor Stalling During Operation .................................................................6-50
Changing Stall Prevention Level during Operation Using an Analog Input ..................6-51
Using Frequency Detection: L4-01 to L4-05 ................................................................. 6-51
Detecting Motor Torque ................................................................................................6-54
Changing Overtorque and Undertorque Detection Levels Using an Analog Input .......6-57
Motor Overload Protection............................................................................................6-58
Setting Motor Protection Operation Time......................................................................6-60
Motor Overheating Protection Using PTC Thermistor Inputs .......................................6-61
Limiting Motor Rotation Direction..................................................................................6-63
TOE-S616-60.1.book xiii ペー 2017年8月4日 金曜日 午後3時41分

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YASKAWA Varispeed G7 Series Specifications

General IconGeneral
BrandYASKAWA
ModelVarispeed G7 Series
CategoryInverter
LanguageEnglish

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