YASKAWA CIMR-ACA4011 - Page 15

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 Stabilizing Speed (Speed Feedback Detection Function) ............................................6-37
Machine Protection.....................................................................................6-38

Reducing Noise and Leakage Current.......................................................................... 6-38
 Limiting Motor Torque (Torque Limit Function).............................................................6-40
 Stall Prevention during Run ..........................................................................................6-43
 Changing Stall Prevention Level during Run Using an Analog Input............................6-44
 Using Frequency Detection: L4-01 to L4-05 .................................................................6-44
 Detecting Motor Torque ................................................................................................6-48
 Changing Overtorque and Undertorque Detection Levels Using an Analog Input .......6-50
 Motor Overload Protection............................................................................................6-51
 Setting Motor Protection Operation Time .....................................................................6-53
 Motor Overheating Protection Using PTC Thermistor Inputs .......................................6-54
 Limiting Motor Rotation Direction..................................................................................6-55
Continuing Operation..................................................................................6-56

Restarting Automatically after Power is Restored ........................................................6-56
 Speed Search ...............................................................................................................6-59
 Continue Running after Frequency Reference Loss.....................................................6-64
 Restarting Operation after Transient Fault (Auto-Restart Function) .............................6-65
MxC Protection ...........................................................................................6-66

Reducing MxC Overheating Pre-Alarm Warning Levels...............................................6-66
Input Terminal Functions ............................................................................6-67

Temporarily Switching Operation between Digital Operator and Control
Circuit Terminals ...........................................................................................................6-67
 Blocking MxC Outputs (Baseblock Commands)...........................................................6-68
 Stopping Acceleration and Deceleration (Accel/Decel Ramp Hold) .............................6-69
 Raising and Lowering Frequency References Using Contact Signals (UP/DOWN).....6-70
 Accelerating and Decelerating Parameter Frequencies in the Analog References
(+/- Speed)....................................................................................................................6-73
 Hold Analog Frequency Using User-set Timing............................................................6-74
 Switching Operations between a Communications Option Card and Control
Circuit Terminals ...........................................................................................................6-74
 Jog Frequency Operation without Forward and Reverse Commands
(FJOG/RJOG)...............................................................................................................6-75
 Stopping the MxC by Notifying Programming Device Errors to the MxC (External Fault
Function).......................................................................................................................6-76
Output Terminal Functions..........................................................................6-77
Monitor Parameters ....................................................................................6-79

Using the Analog Monitor Parameters..........................................................................6-79
Individual Functions....................................................................................6-82

Using MEMOBUS Communications .............................................................................6-82
 Using the Timer Function..............................................................................................6-93
 Using PID Control .........................................................................................................6-94
 Setting Motor Parameters........................................................................................... 6-102
 Setting the V/f Pattern.................................................................................................6-104
 Torque Control............................................................................................................6-108
 Speed Control (ASR) Structure................................................................................... 6-115