Omron SYSDRIVE 3G3RV Series User Manual

xi
Stopping Methods ......................................................................................6-14
u
Selecting the Stopping Method..................................................................................... 6-14
u Using the DC Injection Brake ....................................................................................... 6-17
u Using a Deceleration Stop from an External Input ....................................................... 6-18
Acceleration and Deceleration Characteristics ..........................................6-19
u
Setting Acceleration and Deceleration Times............................................................... 6-19
u Accelerating and Decelerating Heavy Loads (Dwell Function) .................................... 6-22
u Preventing the Motor from Stalling During Acceleration
(Stall Prevention During Acceleration Function)........................................................... 6-23
u Preventing Overvoltage During Deceleration
(Stall Prevention During Deceleration Function) .......................................................... 6-25
Adjusting Frequency References...............................................................6-27
u
Adjusting Analog Frequency References ..................................................................... 6-27
u Operation Avoiding Resonance (Jump Frequency Function)....................................... 6-29
u Adjusting Frequency Reference Using Pulse Train Inputs........................................... 6-30
Speed Limit (Frequency Reference Limit Function)...................................6-32
u
Limiting Maximum Output Frequency........................................................................... 6-32
u Limiting Minimum Frequency ....................................................................................... 6-32
Improved Operating Efficiency ...................................................................6-34
u
Reducing Motor Speed Fluctuation (Slip Compensation Function).............................. 6-34
u Compensating for Insufficient Torque at Startup and Low-speed Operation
(Torque Compensation)................................................................................................ 6-36
u Hunting-prevention Function ........................................................................................ 6-38
u Stabilizing Speed (Speed Feedback Detection Function) ............................................ 6-39
Machine Protection .................................................................................... 6-40
u
Limiting Motor Torque (Torque Limit Function)............................................................. 6-40
u Preventing Motor Stalling During Operation ................................................................. 6-42
u Changing Stall Prevention Level during Operation Using an Analog Input .................. 6-43
u Detecting Motor Torque................................................................................................ 6-43
u Changing Overtorque and Undertorque Detection Levels Using an Analog Input....... 6-46
u Motor Overload Protection ........................................................................................... 6-47
u Motor Overheating Protection Using PTC Thermistor Inputs....................................... 6-50
u Limiting Motor Rotation Direction ................................................................................. 6-51
Continuing Operation .................................................................................6-52
u
Restarting Automatically After Power Is Restored........................................................ 6-52
u Speed Search............................................................................................................... 6-53
u Continuing Operation at Constant Speed When Frequency Reference Is Lost ........... 6-58
u Restarting Operation After Transient Fault (Auto Restart Function) ............................ 6-58
Inverter Protection......................................................................................6-60
u
Performing Overheating Protection on Mounted Braking Resistors............................. 6-60
u Reducing Inverter Overheating Pre-Alarm Warning Levels ......................................... 6-61
Input Terminal Functions............................................................................6-62
u
Temporarily Switching Operation between Digital Operator
and Control Circuit Terminals ....................................................................................... 6-62

Omron SYSDRIVE 3G3RV Series Specifications

General

Brand	Omron
Model	SYSDRIVE 3G3RV Series
Category	Inverter
Language	English