4-5
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
Frequency Ref
U1-01= 0.00 HZ
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
UV
Under Voltage
The display will differ depending on the type of fault.
Trial Operation Chapter
4
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