User Manual of A90 Series Inverter
56
5.2
Confirmation before Power-on
Please confirm the following items before turning on the power supply:
Item to be confirmed
Confirmation content
Power wiring
confirmation
Check whether the input power voltage is consistent with
the voltage of the inverter.
Confirm that the circuit breaker has been connected to the
power supply circuit, and the power cables are correctly
connected to the input terminals (R, S, T) of the inverter.
Make sure that the inverter and motor are properly
grounded.
Motor wiring
confirmation
Confirm that the motor is correctly connected to the output
terminals (U, V, W) of the inverter, and the motor wiring is
secured.
Confirmation of
braking unit and
braking resistor
Make sure that the braking resistor and braking unit are
connected as shown in Fig. 3-3 (use the dynamic braking
resistor if necessary during operation).
Control terminal
wiring confirmation
Check whether the control terminals of the inverter are
correctly and reliably connected to other controls.
Control terminal
status confirmation
Make sure that the control terminal circuit of the inverter is
disconnected to prevent operation upon powering on.
Mechanical load
confirmation
Confirm that the machinery is in the no-load state and free
of danger in operation.
5.3
Inverter Status Confirmation after Power-on
After the power supply is turned on, the control panel (keyboard) of the inverter
displays the following information in the normal status.
Status
Display
Note
During
normal
operation
50.00
The digital setting 50.00Hz is displayed
by default.
During a
fault
Fault code in character or
Exx format
If a fault occurs, the fault code will be
displayed. Refer to Chapter 6 “Fault
Solutions”.
5.4
Precautions for Application Macro Setting
F16.00 is used to select the industry application macro, depending on specific
applications. Press the Enter key for confirmation. The application macro will not take
effect until default settings are restored by selecting F12.14=1. See Chapter 10 for details
on application macros.
5.5
Start and Stop Control