Running The Motor - Hitachi L100 Instruction Manual

2–24
Using the Front Panel Keypad
Monitoring Parameters with the Display
After using the keypad for parameter editing,
it's a good idea to switch the inverter from
Program Mode to Monitor Mode and close
the panel door (puts the keys for parameter
editing out of sight). This will also turn out
the PRG LED, and the Hertz or Ampere LED
indicates the display units.
For the powerup test, let's monitor the motor speed indirectly by viewing the inverter's
output frequency. The output frequency must not be confused with base frequency (50/60
Hz) of the motor, or the carrier frequency (switching frequency of the inverter, in the
kHz range). The monitoring functions are in the "D" list, located near the top left of the
keypad navigation diagram.
Output frequency (speed) monitor - Resuming the keypad programming from the
previous table, follow the steps in the table below.
When the
inverter is no longer in programming mode, even while you are selecting the particular
monitoring parameter. After pressing the
(which is zero at this point).

Running the Motor

If you have programmed all the parameters up to this point, you're ready to run the
motor! First, review this checklist:
1. Verify the Power LED is on. If not, check the power connections.
2. Verify the Run Enable LED is on. If not, review the programming steps to find the
3. Verify the PRG LED is off. If it is on, review the instructions above.
4. Make sure the motor is disconnected from any mechanical load.
5. Turn the potentiometer to the MIN position (completely counter clock-wise).
6. Now, press the RUN key on the keypad. The RUN LED will turn on.
7. Slowly increase the potentiometer setting in clockwise fashion. The motor should
8. Press the STOP key to stop the motor rotation.
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Action
key.
Press the FUNC.
key three times.
Press the
1
key.
Press the FUNC.
d 01
function code appeared, the PRG LED went off. This confirms the
problem.
start turning when the indicator is in the 9:00 position and beyond.
HITACHI
RUN
5 0 0
PRG
STOP STOP STOP STOP
RUN
RESET
Display Func./Parameter
"A" group selected
A - -
Output frequency selected
D 01
Output frequency displayed
00
key, the display shows the current speed
FUN
POWER
Hz
A
MIN MAX