Specifications

6
Programming Features
This chapter describes programming features.
6.1 Constant Set-Up and Initialization................................. 36
6.1.1 Constant Selection/Initialization (n001) ............................................................. 36
6.2 V/f Pattern Setting........................................................... 36
6.2.1 Preset V/f Pattern ............................................................................................... 37
6.2.2 Custom V/f Pattern ............................................................................................. 38
6.3 Setting Operation Conditions ........................................ 38
6.3.1 Reverse Run Prohibit (n006).............................................................................. 38
6.3.2 Multi-Step Speed Selection................................................................................ 38
6.3.3 Operation at Low Speed..................................................................................... 39
6.3.4 Adjusting Frequency Setting Signal................................................................... 40
6.3.5 Adjusting Frequency Upper and Lower Limits................................................... 41
6.3.6 Using Two Accel/Decel Times ........................................................................... 41
6.3.7 Automatic Restart after Momentary Power Loss (n051)................................... 42
6.3.8 Soft-Start Characteristics (n023)........................................................................ 42
6.3.9 Torque Detection ................................................................................................ 43
6.3.10 Frequency Detection (n073)............................................................................... 44
6.3.11 Jump Frequencies (n058 to n060)..................................................................... 44
6.3.12 Continuing Operation by Automatic Fault Reset (n056).................................... 45
6.3.13 Operating Coasting Motor without Trip.............................................................. 45
6.3.14 Using Frequency Meter of Ammeter (n048) ...................................................... 46
6.3.15 Calibrating Frequency Meter of Ammeter (n049).............................................. 46
6.3.16 Reducing Motor Noise or Leakage Current (n050) ........................................... 47
6.4 Selecting Stopping Method............................................ 48
6.4.1 Selecting Stopping Method (n004)..................................................................... 48
6.4.2 Coast to Stop with Timer 1 (n004=2)................................................................. 49
6.4.3 Applying DC Injection Braking Current (n064)................................................... 49
6.5 Building Interface Circuits with External Devices........ 50
6.5.1 Using Sequence Input Signals (n035 to n039).................................................. 50
6.5.2 Using Analog Input Signals (n042 to n045)....................................................... 53
6.5.3 Using Output Signals (n040, n041).................................................................... 55
6.6 Setting Operation Conditions ........................................ 56
6.6.1 Torque Compensation Gain (n067) ................................................................... 56
6.7 Motor Protection ............................................................. 57
6.7.1 Motor Overload Detection .................................................................................. 57
6.8 PID Control ...................................................................... 58
6.8.1 Intended Value Setting ....................................................................................... 58
6.8.2 Detected Value Setting....................................................................................... 58
6.9 Energy Saving Control ................................................... 59
6.9.1 Energy Saving Gain K2 (n096) .......................................................................... 59
6.9.2 Energy Saving Tuning ........................................................................................ 59
6.10 MEMOBUS Control.......................................................... 60
6.10.1 Communication Specifications........................................................................... 60
6.10.2 Data to be Sent/Received by Communication................................................... 60
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