YASKAWA FSDrive-MV1S Instructions Manual page 13

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xii
Machine Protection .................................................................................... 6-24
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
Restarting Automatically After Power Is Restored........................................................ 6-35
Speed Search............................................................................................................... 6-36
Input Terminal Functions ............................................................................ 6-43
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
Using the Analog Monitor Constants ............................................................................ 6-51
Digital Operator Functions.......................................................................... 6-54
Setting Digital Operator Functions ............................................................................... 6-54
Prohibiting Writing Constants from the Digital Operator ............................................... 6-55
Individual Functions ................................................................................... 6-56
Performing Speed Control with PG .............................................................................. 6-56
Troubleshooting
Protective and Diagnostic Functions ............................................................ 7-2
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
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