10-3
10
îš„Acceleration/Deceleration Times
The motor's acceleration and deceleration times are determined by the torque generated by the motor, the load
torque, and the load's inertial moment (GD
2
/4). If the stall prevention functions are activated during accelera-
tion or deceleration, it might be necessary to increase the acceleration or deceleration time.
To reduce the acceleration or deceleration times, increase the capacity of the motor and Inverter.
îš‹ Handling
Observe the following precautions during wiring or maintenance of an Inverter.
îš„Wiring Check
The Inverter will be internally damaged if the power supply voltage is applied to output terminal U, V, or W.
Check wiring for any mistakes before supplying power. Check all wiring and control sequences carefully.
îš„Magnetic Contactor Installation
If a magnetic contactor is installed in the power supply line, do not exceed one start per hour. Switching more
often can damage the inrush current prevention circuit.
îš„Maintenance and Inspections
After turning OFF the main circuit power supply it can take several minutes before the DC bus is discharged
completely. The CHARGE LED, indicating if the DC bus is charged, glows above a voltage of 10VDC.
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