9 Auto-Tuning
YASKAWA TOEPC71061752B GA500 Drive Installation & Primary Operation 67
Table 8.13 MEMOBUS/Modbus Communications Termination Resistor Setting
DIP Switch S2 Description
ON The built-in termination resistor is ON.
OFF (Default) The built-in termination resistor is OFF.
9 Auto-Tuning
Auto-Tuning uses motor characteristics to automatically set drive parameters for vector control.
Think about the type of motor, drive control method, and the motor installation environment and
select the best Auto-Tuning method.
WARNING
Crush Hazard. Rotational Auto-Tuning rotates the motor at 50% or more of the motor rated
frequency. Make sure that there are no issues related to safety in the area around the drive and motor. Increased
motor frequency can cause serious injury or death.
◆ Auto-Tuning for Induction Motors
This section gives information about Auto-Tuning for induction motors. Set motor parameters
E1-xx and E2-xx (or, for motor 2, E3-xx and E4-xx) for Auto-Tuning.
Note:
Do Stationary Auto-Tuning if you cannot do Rotational Auto-Tuning. There can be large differences between the
measured results and the motor characteristics when Auto-Tuning is complete. Examine the parameters for the
measured motor characteristics after you do Stationary Auto-Tuning.
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