Omron VARISPEED E7 User Manual page 4

Protection Function Parameters: L .............................................................................. 5-32
N: Special Adjustments................................................................................................. 5-38
Digital Operator Parameters: o .................................................................................... 5-39
T: Motor Autotuning ..................................................................................................... 5-42
U: Monitor Parameters ................................................................................................. 5-43
Setting Values that Change with the V/f Pattern Selection (E1-03) ............................. 5-48
Factory Settings that Change with the Inverter Capacity (o2-04) ................................ 5-49
6 Parameter Settings by Function............................................ 6-1
Carrier Frequency Selection ........................................................................6-2
Setting the Carrier Frequency......................................................................................... 6-2
Frequency Reference ..................................................................................6-4
Selecting the Frequency Reference Source ................................................................... 6-4
Using Multi-Step Speed Operation ................................................................................ 6-6
Run Command ............................................................................................6-8
Selecting the Run Command Source ............................................................................. 6-8
Stopping Methods ......................................................................................6-10
Selecting the Stopping Method when a Stop Command is Input.................................. 6-10
Using the DC Injection Brake........................................................................................ 6-12
Motor Pre-heat Function .............................................................................................. 6-13
Using an Emergency Stop ........................................................................................... 6-14
Acceleration and Deceleration Characteristics ..........................................6-15
Setting Acceleration and Deceleration Times............................................................... 6-15
Preventing the Motor from Stalling During Acceleration
(Stall Prevention During Acceleration Function) ........................................................... 6-17
Preventing Overvoltage During Deceleration
(Stall Prevention During Deceleration Function) .......................................................... 6-19
Adjusting Frequency References ..............................................................6-21
Adjusting Analog Frequency References ..................................................................... 6-21
Operation Avoiding Resonance (Jump Frequency Function) ...................................... 6-23
Speed Limit (Frequency Reference Limit Function) ..................................6-24
Limiting Maximum Output Frequency ........................................................................... 6-24
Limiting Minimum Frequency........................................................................................ 6-24
Frequency Detection .................................................................................6-25
Speed Agreement Function .......................................................................................... 6-25
Improved Operating Efficiency ..................................................................6-27
Torque Compensation for Sufficient Torque at Start
and Low-speed Operation ............................................................................................ 6-27
Hunting-Prevention Function ....................................................................................... 6-28
Machine Protection ....................................................................................6-29
Preventing Motor Stalling During Operation ................................................................. 6-29
Detecting Motor Torque ............................................................................................... 6-30
Motor Overload Protection ........................................................................................... 6-32
Motor Overheat Protection Using PTC Thermistor Inputs ........................................... 6-34
Limiting Motor Rotation Direction and Output Phase Rotation .................................... 6-36
Automatic Restart ......................................................................................6-37
Restarting Automatically After Momentary Power Loss................................................ 6-37
Speed Search ............................................................................................................... 6-38
Continuing Operation at Constant Speed When Frequency Reference Is Lost .......... 6-43
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