Hitachi SJ7002 Series Instruction Manual page 77

Monitoring
After using the keypad for parameter
editing, it's a good idea to switch the
Parameters with
inverter from Program Mode to Monitor
the Display
Mode. This will turn out the PRG LED, and
the Hertz, Volt, Ampere, or % LED
indicates the display units.
For the powerup test, 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 diagram in the
Navigational Map" on page
Output frequency (speed) monitor - Resuming the keypad programming from the previous
table, follow the steps in the table below.
Press the
Press the
Press the
When the
no longer in programming mode, even while you are selecting the particular monitoring param-
eter. After pressing the FUNC. key, the display shows the current speed (is zero at this point).
Running the
If you have programmed all the parameters up to this point, you're ready to run the motor!
Motor First, review this checklist:
1. Verify the Power LED is ON. If not, check the power connections.
2. Verify the Run Key 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 counterclockwise).
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 start
8. Press the STOP key to stop the motor rotation.
2–31.
Action
key.
FUNC.
key.
1
key.
FUNC.
d001
function code appeared, the PRG LED went OFF. This confirms the inverter is
problem.
turning when the indicator is in the 9:00 position and beyond.
SJ700
HITACHI
50.0
RUN
PRG
STOP
RUN
RESET
FUNC.
1
Display Func./Parameter
H---
"H" Group selected
d00 1
Output frequency selected
0.00
Output frequency displayed
2–35
Inverter
2
POWER
ALARM
HZ
V
kW
A
%
MIN MAX
2
STR
"Keypad