IV
îš‹ Motor Overheating Protection Using PTC Thermistor Inputs ...................................... 6-53
îš‹ Limiting Motor Rotation Direction and Output Phase Rotation .................................... 6-54
Automatic Restart ...................................................................................... 6-55
îš‹
Restarting Automatically After Momentary Power Loss .............................................. 6-55
îš‹ Speed Search .............................................................................................................. 6-56
îš‹ Continuing Operation at Constant Speed when the Frequency Reference is Lost ..... 6-60
îš‹ Restarting Operation After Transient Fault (Auto Restart Function) ........................... 6-61
îš‹ Operation Selection After Cooling Fan Fault ............................................................... 6-62
Inverter Protection ..................................................................................... 6-63
îš‹
Overheating Protection for an Inverter-Mounted Braking Resistor .............................. 6-63
îš‹ Inverter Overheat Protection ....................................................................................... 6-64
îš‹ Input Open Phase Protection ...................................................................................... 6-64
îš‹ Output Open Phase Protection ................................................................................... 6-65
îš‹ Ground Fault Protection .............................................................................................. 6-65
îš‹ Cooling Fan Control .................................................................................................... 6-65
îš‹ Setting the Ambient Temperature ............................................................................... 6-66
îš‹ OL2 Characteristics at Low Speed .............................................................................. 6-67
Input Terminal Functions ........................................................................... 6-68
îš‹
Temporarily Switching Operation between Digital Operator and
Control Circuit Terminals ............................................................................................. 6-68
îš‹ Inverter Output Baseblock ........................................................................................... 6-68
îš‹ OH2 (Overheat) Alarm Signal Input ............................................................................ 6-69
îš‹ Multifunction Analog Input A2 Disable/Enable ............................................................ 6-69
îš‹ Drive Enable/Disable ................................................................................................... 6-69
îš‹ Stopping Acceleration and Deceleration (Acceleration/Deceleration Ramp Hold) ...... 6-70
îš‹ Raising and Lowering Frequency References Using Digital Signals
(UP/DOWN Function) .................................................................................................. 6-71
îš‹ Adding/Subtracting a Fixed Speed to an Analog Reference (Trim Control) ................ 6-73
îš‹ Hold Analog Frequency Using User-set Timing .......................................................... 6-74
îš‹ Switching Operation Source to Communication Option Card ..................................... 6-75
îš‹ Jog Frequency with Direction Commands (FJOG/RJOG) ........................................... 6-75
îš‹ Stopping the Inverter on External Device Faults (External Fault Function) ................. 6-76
Output Terminal Functions ........................................................................ 6-77
Monitor Parameters ...................................................................................6-80
îš‹
Using the Analog Monitor Outputs .............................................................................. 6-80
îš‹ Using the Pulse Train Monitor Output ......................................................................... 6-81
Individual Functions .................................................................................. 6-83
îš‹
Using MEMOBUS Communications ............................................................................ 6-83
îš‹ Using the Timer Function ............................................................................................ 6-98
îš‹ Using PID Control ........................................................................................................ 6-99
îš‹ Energy-saving ........................................................................................................... 6-109
îš‹ Field Weakening ........................................................................................................ 6-110
îš‹ Field Forcing .............................................................................................................. 6-111
îš‹ Setting Motor 1 Parameters ...................................................................................... 6-111
îš‹ Setting the V/f Pattern 1 ............................................................................................ 6-113
îš‹ Setting Motor 2 Parameters ...................................................................................... 6-119
îš‹ Setting the V/f Pattern 2 ............................................................................................ 6-120
îš‹ Torque Control .......................................................................................................... 6-121
îš‹ Droop Control Function ............................................................................................. 6-128
îš‹ Zero-Servo Function .................................................................................................. 6-129
îš‹ Kinetic Energy Buffering ............................................................................................ 6-131
îš‹ High Slip Braking (HSB) ............................................................................................ 6-132
îš‹ Speed Follower Function ........................................................................................... 6-134
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