xv
Options .....................................................................................................6-160
Performing Speed Control with PG.............................................................................6-160
Using Digital Output Boards .......................................................................................6-164
Using an Analog Reference Board .............................................................................6-166
Using a Digital Reference Board ................................................................................ 6-167
Using Inverters for Elevating Machines ....................................................6-172
Brake ON/OFF Sequence........................................................................................... 6-172
Stall Prevention during Deceleration...........................................................................6-174
Autotuning...................................................................................................................6-174
Braking Resistor Overheating Protection....................................................................6-174
Momentary Power Loss Restart .................................................................................6-174
Torque Limit ................................................................................................................6-174
I/O Open-phase Protection and Overtorque Detection...............................................6-175
External Baseblock Signal..........................................................................................6-175
Acceleration/Deceleration Time..................................................................................6-175
Magnetic Contactor on the Inverter’s Output-side ......................................................6-175
Control-related Adjustments .......................................................................................6-176
Reducing Shock during Elevating Machine Start, Stop, Acceleration,
and Deceleration.........................................................................................................6-178
Confirming Startup Current and Reducing Carrier Frequency....................................6-181
Overvoltage Inhibit Function.......................................................................................6-182
Current Alarm Function ............................................................................6-183
Peak Hold Current Monitoring Function ...................................................6-184
Maintenance Timer Display Function .......................................................6-185
Settings Required to Use Maintenance Timer Display Function.................................6-185
Settings Required after Replacement of Cooling Fan or Circuit Board ......................6-186
7 Troubleshooting ..................................................................... 7-1
Protective and Diagnostic Functions ............................................................7-2
Fault Detection................................................................................................................7-2
Alarm Detection ............................................................................................................7-16
Operation Errors ...........................................................................................................7-21
Errors During Autotuning .............................................................................................7-23
Errors when Using the Digital Operator Copy Function................................................7-24
Troubleshooting ..........................................................................................7-26
If Constant Constants Cannot Be Set ...........................................................................7-26
If the Motor Does Not Operate......................................................................................7-27
If the Direction of the Motor Rotation is Reversed ........................................................7-30
If the Motor Does Not Put Out Torque or If Acceleration is Slow ..................................7-30
If the Motor Operates Higher Than the Reference .......................................................7-30
If the Slip Compensation Function Has Low Speed Precision......................................7-31
If There is Low Speed Control Accuracy at High-speed Rotation in
Open-loop Vector Control Method ................................................................................7-31
If Motor Deceleration is Slow ........................................................................................7-31
TOE-S616-60.1.book xv ページ ２０１７年８月４日 金曜日 午後３時４１分
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