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Set the function code in the following
procedure.
If the inverter is operated without this
adjustment after replacing the PCB, normal
operation may not be possible.
(Offset adjustment)
1) Confirm that the main power supply is
turned ON, the motor is connected and is
not running (inverter FWD / REV operation
command is OFF).
2) When the data of U61 is changed to "1",
and the FUNC/DATA key is pressed, the
offset self adjustment is started. The
keypad display shows "storing" then
disappears several seconds later. When
the set value returns to "0", adjustment is
completed.
2)
If the main power supply is turned OFF,
while outputting alarm or run commmand
or coast-to-stop command (BX) is ON
when this adjustment is started, the
inverter
displays
"Er7:TUNING ERROR".
2)
In this case, start the self adjustment
procedure again after correcting the above
scenarios.
(Gain adjustment)
1) Run the motor at a constant arbitrary
frequency of about 10 to 60Hz after
executing the above-mentioned offset
adjustment (U61 = 1).
2)
At this time, gain adjustment is available
unrelated to the load state.
2) Change the value of U61 to "2", and press
the FUNC/DATA key. The gain self
adjustment is started. The keypad display
shows "storing" then disappears several
seconds later. When the set value returns
to "0", adjustment is completed.
2)
If inverter is not operated, this adjustment
is not available.
5-72
the
message
124
5 Function Selection
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