Before changing operation mode, START signal should be ,turned
off and it should be verified that the motor stops completely.
(Note
l
> The lamp does not flicker when a parameter unit of old
specification (Spec. Na BKO - C2128) is used.
4.3 Operation with PU
PU
To operate the inverter with the PU, press op
cl
key.
After that, the inverter can be started ‘and stopped by pressing keys of
PU (without use of externally installed frequency reference potentiometer and
START switch) .
In this operation mode, it is also possible to jog the motor by pressing
keys of PU.
IMPORTANT ‘NOTE
If the inverter is turned off or reset, operation mode changes from
“PU operation” to “external signal operation” (initial mode setting) .
(1) DIRECT OUTPUT FREQUENCY SETTING
(2) OUTPUT FREQUENCY SETTING, USING V OR A KEY (STEP
SETTING)
This method of setting corresponds to the method where externally
installed frequency reference potentiometer is used.
While
q
or
q
key is held down, frequency increases (or decreases) continuously.
Increase (or decrease) of frequency is slow immediately after key is
pressed, and becomes faster with time.
Note: If speed is being monitored, this setting should not be. tried (speed.
may not be displayed accurately) .
3
0
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