Omron VARISPEED F7 User Manual page 5

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