Omron VARISPEED E7 User Manual page 5

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