5.2 Trial Operation Procedures
5-7
Step
Key Sequence Digital Operator Display Remarks
Tune Successful
Indicates the completion of autotun-
ing.
10
MENU
G5: Main Menu :
Operation
Returns to the operation mode dis-
play.
*1 When the values displayed and the motor constants differ, set each value seperately.
*2 There are differences between simple and advanced settings. Refer to the table below.
Operator Display Simple Setting (Motor name-
plate)
Advanced Setting *
Rated Voltage Motor rated voltage No-load voltage at rated revolul-
tions
Rated Frequency Motor rated frequency No-load frequency at rated revolu-
tions
The rated voltage for the vector control motor may be 10% to 20% lower than general-purpose motors.
Always check the voltage on the motor nameplate or in the test reports.
The following example procedure changes the motor rated current to 1.60 A.
Step Key Sequence Digital Operator Display Remarks
Rated Current
1.90 A
Displays the rated current.
1
DATA
ENTER
Rated Current
001.90 A
When changing the set values, press
the DATA/ENTER Key and the digit
to change will blink.
2
Press 3 times
RESET
Rated Current
001.90 A
Select the digit to be changed.
3
Press 3 times
Rated Current
001.60 A
Set to 001.60 A.
4
DATA
ENTER
Entry Accepted
Press the DATA/ENTER Key to over-
write the set values. “Entry Accepted”
will be displayed for approximately
0.5 seconds.
Rated Current
1.60 A
Returns to the rated current display.
D
When autotuning has been executed correctly, the constants (E1-04 to E2-09) will be automatically
written.
D
Use the following troubleshooting procedure if a fault occurs during autotuning.
J
Troubleshooting Autotuning Faults
The displays and countermeasures for autotuning faults are shown below in Table 5.1. If one of these faults
is detected, it will be displayed on the Operator and the motor will coast to a stop. The fault contact and
alarm contact outputs will not function. When a fault occurs, “Tune Aborted” will be displayed and the
messages shown in the following table will blink.
Table
5.1
Troubleshooting Autotuning Faults
Display Message Fault Description Countermeasure
Data Invalid Motor data fault
Motor data error for autotuning.
S Check the input data.
S Check the Inverter and motor capacities.
Resistance Line resistance fault
No-load Current No-load current fault
Saturation -1
Saturated core coeffi-
cient 1 fault
Autotuning was not completed
S Check the input data.
Saturation -2
Saturated core coeffi-
cient 2 fault
.
S Check the motor wiring.
Rated Slip Rated slip fault
5
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