YASKAWA CIMR-F7A Instruction Manual page 14

Run Command ...........................................................................................6-15
Selecting the Run Command Source ........................................................................... 6-15
Stopping Methods.......................................................................................6-17
Selecting the Stopping Method when a Stop Command is Sent................................... 6-17
Using the DC Injection Brake........................................................................................ 6-22
Using an Emergency Stop ............................................................................................ 6-24
Acceleration and Deceleration Characteristics...........................................6-25
Setting Acceleration and Deceleration Times ............................................................... 6-25
Accelerating and Decelerating Heavy Loads (Dwell Function)..................................... 6-29
Preventing the Motor from Stalling During Acceleration
(Stall Prevention During Acceleration Function) ........................................................... 6-30
Preventing Overvoltage During Deceleration
(Stall Prevention During Deceleration Function)........................................................... 6-32
Preventing Overvoltage by Automatically Reducing the Regenerative Torque Limit
(Overvoltage Inhibit Function, SPEC: E or later only)................................................... 6-33
Adjusting Frequency References ...............................................................6-35
Adjusting Analog Frequency References ..................................................................... 6-35
Operation Avoiding Resonance (Jump Frequency Function) ....................................... 6-38
Adjusting Frequency Reference Using Pulse Train Inputs ........................................... 6-40
Speed Limit (Frequency Reference Limit Function) ...................................6-41
Limiting Maximum Output Frequency ........................................................................... 6-41
Limiting Minimum Frequency........................................................................................ 6-41
Improved Operating Efficiency ...................................................................6-43
Reducing Motor Speed Fluctuation (Slip Compensation Function) .............................. 6-43
Compensating for Insufficient Torque at Startup and Low-speed Operation
(Torque Compensation) ................................................................................................ 6-45
Hunting-prevention Function......................................................................................... 6-47
Stabilizing Speed (Speed Feedback Detection Function) ............................................ 6-48
Machine Protection.....................................................................................6-49
Limiting Motor Torque (Torque Limit Function) ............................................................. 6-49
Preventing Motor Stalling During Operation ................................................................. 6-52
Changing Stall Prevention Level during Operation Using an Analog Input .................. 6-53
Using Frequency Detection .......................................................................................... 6-53
Detecting Motor Torque ................................................................................................ 6-56
Changing Overtorque and Undertorque Detection Levels Using an Analog Input ....... 6-59
Motor Overload Protection............................................................................................ 6-60
Setting Motor Protection Operation Time...................................................................... 6-62
Motor Overheating Protection Using PTC Thermistor Inputs........................................ 6-63
Limiting Motor Rotation Direction.................................................................................. 6-65
Continuing Operation..................................................................................6-66
Restarting Automatically After Power Is Restored ........................................................ 6-66
Speed Search ............................................................................................................... 6-67
Continuing Operation at Constant Speed When Frequency Reference Is Lost............ 6-74
Restarting Operation After Transient Fault (Auto Restart Function)............................. 6-75
Operation Selection After Cooling Fan Fault (SPEC: E or Later Only)......................... 6-76
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