IV
î‚‹Restarting Operation After Transient Error (Auto Restart Function) ........................... 6-44
Inverter Protection ..................................................................................... 6-46
î‚‹Inverter Overheat Protection ........................................................................................ 6-46
î‚‹Input Phase Loss Detection Level................................................................................ 6-46
î‚‹Ground Fault Protection ............................................................................................... 6-47
î‚‹Cooling Fan Control ..................................................................................................... 6-47
î‚‹Setting the Ambient Temperature ................................................................................ 6-48
î‚‹OL2 Characteristics at Low Speed............................................................................... 6-48
î‚‹Soft CLA Selection ...................................................................................................... 6-49
Input Terminal Functions ........................................................................... 6-50
î‚‹Temporarily Switching Operation between Digital Operator
and Control Circuit Terminals ....................................................................................... 6-50
î‚‹Blocking the Inverter Output (Baseblock Command) .................................................. 6-51
î‚‹Multifunction Analog Input A2 Disable/Enable ............................................................. 6-51
î‚‹Drive Enable/Disable ................................................................................................... 6-52
î‚‹Bypass Drive Enable .................................................................................................... 6-52
î‚‹Stopping Acceleration and Deceleration (Acceleration/Deceleration Ramp Hold)....... 6-52
î‚‹Raising and Lowering Frequency References Using Contact Signals (UP/DOWN) .... 6-53
Trim Control Function (+/– Speed) .............................................................................. 6-56
î‚‹Hold Analog Frequency Using User-set Timing .......................................................... 6-57
î‚‹Switching Operation Source to Communication Option Card ..................................... 6-58
î‚‹Switching Operation Source to MEMOBUS communication ........................................ 6-58
î‚‹AUTO/HAND Mode Switching by Digital Input ............................................................. 6-59
î‚‹Jog Frequency Operation without Forward and Reverse Commands (FJOG/RJOG) . 6-59
î‚‹Stopping the Inverter on External Device Errors (External Error Function) ................. 6-60
Output Terminal Functions ........................................................................ 6-61
Monitor Parameters ................................................................................... 6-64
î‚‹Using the Analog Monitor Parameters ......................................................................... 6-64
Individual Functions .................................................................................. 6-66
î‚‹Using MEMOBUS Communications............................................................................. 6-66
î‚‹Using the Timer Function ............................................................................................ 6-83
î‚‹Using PI Control .......................................................................................................... 6-84
î‚‹Energy-saving ............................................................................................................. 6-94
î‚‹Setting Motor Parameters ........................................................................................... 6-95
î‚‹Setting the V/f Pattern ................................................................................................. 6-96
î‚‹High Slip Braking ....................................................................................................... 6-102
Digital Operator Functions ...................................................................... 6-103
î‚‹Setting Digital Operator Functions ............................................................................. 6-103
î‚‹Copying Parameters................................................................................................... 6-106
î‚‹Prohibiting Writing Parameters from the Digital Operator ......................................... 6-110
î‚‹Setting a Password .................................................................................................... 6-110
î‚‹Displaying User-set Parameters Only ........................................................................ 6-111
7 Troubleshooting ......................................................................7-1
Protective and Diagnostic Functions ........................................................... 7-2
î‚‹Fault Detection ............................................................................................................... 7-2
î‚‹Alarm Detection ............................................................................................................. 7-7
î‚‹Operation Errors ............................................................................................................ 7-9
î‚‹ Errors During Autotuning ............................................................................................ 7-10
î‚‹Errors when Using the Digital Operator Copy Function ............................................... 7-10