IV
î‚‹Motor Overheat Protection Using PTC Thermistor Inputs ...........................................6-35
î‚‹Limiting Motor Rotation Direction and Output Phase Rotation ....................................6-37
Automatic Restart ......................................................................................6-38
î‚‹Restarting Automatically After Momentary Power Loss ..............................................6-38
î‚‹Speed Search ..............................................................................................................6-39
î‚‹Continuing Operation at Constant Speed When Frequency Reference Is Lost ..........6-44
î‚‹Restarting Operation After Transient Fault (Auto Restart Function) ...........................6-45
Inverter Protection .....................................................................................6-47
î‚‹Inverter Overheat Protection .......................................................................................6-47
î‚‹Input Phase Loss Detection Level ...............................................................................6-48
î‚‹Ground Fault Protection ..............................................................................................6-48
î‚‹Cooling Fan Control ....................................................................................................6-49
î‚‹Setting the Ambient Temperature ...............................................................................6-49
î‚‹OL2 Characteristics at Low Speed ..............................................................................6-50
î‚‹Soft CLA Selection ......................................................................................................6-51
Input Terminal Functions ...........................................................................6-52
î‚‹Temporarily Switching Operation between Digital Operator
and Control Circuit Terminals ......................................................................................6-52
î‚‹Blocking the Inverter Output (Baseblock Command) ..................................................6-53
î‚‹Multifunction Analog Input A2 Disable/Enable ............................................................6-53
î‚‹Drive Enable/Disable ...................................................................................................6-54
î‚‹Bypass Drive Enable ...................................................................................................6-54
î‚‹Stopping Acceleration and Deceleration
(Acceleration/Deceleration Ramp Hold) ......................................................................6-54
î‚‹Raising and Lowering Frequency References Using
Digital Input Signals (UP/DOWN) ................................................................................6-55
î‚‹Trim Control Function ..................................................................................................6-58
î‚‹Analog Frequency Reference Sample/Hold ................................................................6-59
î‚‹Switching Operation Source to Communication Option Card .....................................6-60
î‚‹Switching Operation Source to MEMOBUS communication .......................................6-60
î‚‹AUTO/HAND Mode Switching by Digital Input ............................................................6-61
î‚‹Jog Frequency Operation without Forward and Reverse Commands (FJOG/RJOG) 6-62
î‚‹Stopping the Inverter on External Faults (External Fault Function) .............................6-63
Output Terminal Functions ........................................................................6-64
Monitor Parameters ...................................................................................6-67
î‚‹Using the Analog Monitor Parameters ........................................................................6-67
Individual Functions ..................................................................................6-69
î‚‹Using MEMOBUS Communications ............................................................................6-69
î‚‹Using the Timer Function ............................................................................................6-86
î‚‹Using PI Control ..........................................................................................................6-87
î‚‹Energy-saving .............................................................................................................6-98
î‚‹Setting Motor Parameters ...........................................................................................6-99
î‚‹Setting the V/f Pattern ...............................................................................................6-100
î‚‹Motor Preheat Function .............................................................................................6-106
î‚‹Emergency Override Function ...................................................................................6-108
î‚‹High Slip Braking .......................................................................................................6-109
Digital Operator Functions ......................................................................6-110
î‚‹Setting Digital Operator Functions ............................................................................6-110
î‚‹Copying Parameters ..................................................................................................6-113
î‚‹Prohibiting Writing Parameters from the Digital Operator .........................................6-117
î‚‹Setting a Password ...................................................................................................6-117
î‚‹Displaying User-set Parameters Only .......................................................................6-118