Parameter Details
11
11.10 n: Special Adjustment
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 1001
Note:
To make tracking related to load changes better, increase the setting value in 5-unit increments. If oscillation occurs during load
changes, decrease the setting value in 5-unit increments.
■ n7-07: Speed Calculation Gain1
No.
(Hex.)
Name Description
Default
(Range)
n7-07
(3117)
Expert
Speed Calculation
Gain1
Sets the speed calculation gain during usual operation.
15.0 Hz
(1.0 - 50.0 Hz)
■ n7-08: Speed Calculation Gain2
No.
(Hex.)
Name Description
Default
(Range)
n7-08
(3118)
Expert
Speed Calculation
Gain2
Sets the speed calculation gain during a speed search.
25.0 Hz
(1.0 - 50.0 Hz)
Note:
When you increase the setting value, you can do a speed search of a motor rotating at a high frequency. If the setting value is too high,
the calculated speed will oscillate and a restart will fail. Decrease the setting value in these conditions.
■ n7-10: Pull-in Current Switching Speed
No.
(Hex.)
Name Description
Default
(Range)
n7-10
(311A)
Expert
Pull-in Current
Switching Speed
Sets a speed range proportional to the rated frequency that enables pull-in
current commands.
10.0%
(0.0 - 100.0%)
Note:
• The value set in n8-51 [Pull-in Current @ Acceleration is enabled for speeds that are not higher than the value set in n7-10. The value
set in b8-01 [Energy Saving Control Selection] is enabled for speeds higher than the value set in n7-10.
• If there is a large quantity of oscillation when you operate in the low speed range, increase the setting value.
• When it is most important to save energy in the low speed range, decrease the setting value.
■ n7-17: Resistance TemperatureCorrection
No.
(Hex.)
Name Description
Default
(Range)
n7-17
(3122)
Resistance
TemperatureCorrec
tion
Sets the function to adjust for changes in the motor resistance value caused
by changes in the temperature.
1
(0 - 2)
0 : Invalid
1 : Valid (Only 1 time)
2 : Valid (Every time)
Note:
• For settings 1 and 2, the adjustment time can cause a delay before startup.
• For settings 1 and 2, the drive can set the line-to-line resistance value of E9-10 [Motor Line-to-Line Resistance].
• When the temperature will change at startup, use setting 2.
• To decrease the startup time, set this parameter to 0, then do line-to-line resistance tuning.
• If you will start from coasting, set this parameter to 0, then do line-to-line resistance tuning.
◆ n8: PM Motor Control Tuning
n8 parameters are used to make adjustments when controlling PM motors.
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