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