YASKAWA FSDrive-MV1S - Page 13

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Machine Protection .................................................................................... 6-24
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Limiting Motor Torque (Torque Limit Function) ............................................................. 6-24
 Using Frequency Detection: L4-01 to L4-04................................................................. 6-25
 Detecting Motor Torque................................................................................................ 6-28
 Motor Overload Protection ........................................................................................... 6-32
 Setting Motor Protection Operation Time ..................................................................... 6-33
 Limiting Motor Rotation Direction ................................................................................. 6-34
Continuing Operation ................................................................................. 6-35
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Restarting Automatically After Power Is Restored........................................................ 6-35
 Speed Search............................................................................................................... 6-36
Input Terminal Functions ............................................................................ 6-43
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Temporarily Switching Operation between Digital Operator and
Control Circuit Terminals .............................................................................................. 6-43
 Blocking Inverter Outputs (Baseblock Commands)...................................................... 6-44
 Raising and Lowering Frequency References Using Contact Signals
(UP/DOWN).................................................................................................................. 6-45
 Jog Frequency Operation without Forward and Reverse Commands
(FJOG/RJOG) .............................................................................................................. 6-46
 Stopping the Inverter by Notifying Programming Device Errors to the Inverter
(External Fault Function) .............................................................................................. 6-48
Output Terminal Functions ......................................................................... 6-49
Monitor Constants ...................................................................................... 6-51
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Using the Analog Monitor Constants ............................................................................ 6-51
Digital Operator Functions.......................................................................... 6-54
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Setting Digital Operator Functions ............................................................................... 6-54
 Prohibiting Writing Constants from the Digital Operator............................................... 6-55
Individual Functions ................................................................................... 6-56
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Performing Speed Control with PG .............................................................................. 6-56
7 Troubleshooting
Protective and Diagnostic Functions............................................................ 7-2
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Fault Detection and Alarm Detection.............................................................................. 7-2
 Drive Faults ....................................................................................................................7-3
 Cell Faults ...................................................................................................................... 7-6
 LED Indicators on CCB (Cell Control Board) ................................................................. 7-8
 Operation Errors............................................................................................................. 7-9
 Errors During Autotuning............................................................................................. 7-10
Troubleshooting.......................................................................................... 7-11
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If Constant Constants Cannot Be Set........................................................................... 7-11
 If the Motor Does Not Operate ..................................................................................... 7-12
 If the Direction of the Motor Rotation is Reversed........................................................ 7-13
 If the Motor Does Not Put Out Torque or If Acceleration is Slow ................................. 7-14
 If the Motor Operates Higher Than the Reference ....................................................... 7-14
 If the Slip Compensation Function Has Low Speed Precision ..................................... 7-14