Trial Operation
4-2
Operation Example
4-2-1 Power Connection
Checkpoints before Connecting the Power Supply
Check that the power supply is of the correct voltage.
200-V class: 3-phase 200 to 230 VDC, 50/60 Hz
400-V class: 3-phase 380 to 460 VDC, 50/60 Hz
Make sure that the Motor output terminal (T1, T2, T3) and the Motor are connected correctly.
Ensure that the control circuit terminal and the control device are wired correctly. Set all control circuit
terminals to OFF.
When using a PG Speed Control Card, ensure that it is wired correctly.
Set the motor to no-load status, (not connected to the mechanical system).
Connecting the Power Supply
Having conducted the above checks, connect the power supply.
4-2-2 Checking the Display Status
If the display at the time the power is connected is normal, it will read as follows:
Normal
The frequency reference monitor is displayed in the data display section.
When an fault has occurred, the details of the fault will be displayed. In that case, refer to Section 8
Maintenance Operations .
Fault
The display will differ depending on the type of fault.
Chapter 4
4-5
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