vii
[ 9 ] The motor does not run as expected ...................................................................................... 6-30
[ 10 ] Motor stalls during acceleration .............................................................................................. 6-31
6.5.2 Problems with inverter settings ................................................................................................... 6-32
[ 1 ] Nothing appears on the LED monitor...................................................................................... 6-32
[ 2 ] The desired menu is not displayed ......................................................................................... 6-32
[ 3 ] Display of under bars (
____
) ................................................................................................. 6-33
[ 4 ] Display of center bars (----) ................................................................................................ 6-33
[ 5 ]
c ]
Display of parenthesis ............................................................................................. 6-33
[ 6 ] Data of function codes cannot be changed ............................................................................. 6-34
[ 7 ] Function code data are not changeable (change from link functions) ..................................... 6-34
MAINTENANCE AND INSPECTION Chapter 7
7.1
Inspection Interval ............................................................................................................................. 7-1
7.2
Daily Inspection ................................................................................................................................. 7-2
7.3
Periodic Inspection ............................................................................................................................ 7-3
7.3.1 Periodic inspection 1--Before the inverter is powered ON or after it stops running ....................... 7-3
7.3.2 Periodic inspection 2--When the inverter is ON or it is running ..................................................... 7-4
7.4
List of Periodic Replacement Parts .................................................................................................... 7-5
7.4.1 Judgment on service life ............................................................................................................... 7-6
[ 1 ] Measuring the capacitance of DC link bus capacitor in comparison with initial one
at shipment ............................................................................................................................... 7-7
[ 2 ] Measuring the capacitance of the DC link bus capacitor
under ordinary operating conditions.......................................................................................... 7-8
[ 3 ] Early warning of lifetime alarm .................................................................................................. 7-8
7.5
Measurement of Electrical Amounts in Main Circuit ........................................................................... 7-9
7.6
Insulation Test .................................................................................................................................. 7-10
7.7
Inquiries about Product and Guarantee ............................................................................................ 7-11
7.7.1 When making an inquiry ............................................................................................................... 7-11
7.7.2 Product warranty .......................................................................................................................... 7-11
[ 1 ] Free of charge warranty period and warranty range ................................................................ 7-11
[ 2 ] Exclusion of liability for loss of opportunity, etc. ...................................................................... 7-12
[ 3 ] Repair period after production stop, spare parts supply period (holding period) ..................... 7-12
[ 4 ] Transfer rights ......................................................................................................................... 7-12
[ 5 ] Service contents ..................................................................................................................... 7-12
[ 6 ] Applicable scope of service .................................................................................................... 7-12
BLOCK DIAGRAMS FOR CONTROL LOGIC Chapter 8
8.1
Meanings of Symbols Used in the Control Block Diagrams ............................................................... 8-1
8.2
Frequency Setting Section ................................................................................................................. 8-2
8.3
Operation Command Section ............................................................................................................ 8-5
8.4
PID Control Section (for Processing) ................................................................................................. 8-6
8.5
PID Control Section (for Dancer) ....................................................................................................... 8-7
8.6
Control Section .................................................................................................................................. 8-8
8.6.1 V/f control ...................................................................................................................................... 8-8
[ 1 ] Common ................................................................................................................................... 8-8
[ 2 ] Without speed sensor ............................................................................................................... 8-9
[ 3 ] With speed sensor .................................................................................................................. 8-10
8.6.2 Vector Control .............................................................................................................................. 8-11
[ 1 ] Common .................................................................................................................................. 8-11
[ 2 ] Torque command / Torque limit ............................................................................................... 8-12
[ 3 ] Speed control / Torque control ................................................................................................ 8-13
[ 4 ] Speed limit and Over speed protection processing ................................................................ 8-14
[ 5 ] For IM ..................................................................................................................................... 8-15
[ 6 ] For PMSM .............................................................................................................................. 8-16
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