E6581386
F-23
6
6.14 Bumpless operation
: Bumpless operation selection
[Parameter setting]
Title Function Adjustment range Default setting
Bumpless operation selection
: Disabled
: Enabled
To changeover the Local mode/Remote mode by key action, please be sure to set the parameter to .
For details, refer to Section 5.22.
Example) Remote mode ( (Terminal board))
To prevent from moving the setting frequency and start/stop status of Remote mode to Local mode, the is set
to “”(Disabled). In this case, key is effective only while stopping.
Note 1: The frequency commend value in Local mode and the setting of the parameter (reverse/forward run
switching in Local mode) are rewritten as a result of bumpless operation, but they are rewritten just
temporarily and they are reset to their original settings if the power is turned off.
Note 2: When the operation mode is switched from Remote mode to Local mode by bumpless operation during
deceleration when the F terminal is not ON, the frequency command is not switched and the motor keeps
decelerating.
Remote mode Local mode
ON
OFF
ON
OFF
ON
OFF
Key
Output
frequency
F-CC
Internal
operation
Local mode Remote mode
ON
OFF
ON
OFF
ON
OFF
Output
frequency
F-CC
Internal
operation
Set frequency
at Remote
mode
Setting frequency and start/stop
status are moved to Local mode
when switching from Remote
mode to Local mode.
Motor runs continuously like an
example.
When switching from Local
mode to Remote mode, setting
frequency and start/stop status
are determined by Remote
mode status.
The example shows the motor
runs continuously because the
Remote mode is “run” status.
EASY
Key
EASY
EASY
EASY
Function
When switching from Remote mode to Local mode using key, the status of start and stop,and
operating frequency at Remote mode are Local mode.
By contraries, when switching from Local mode to Remote mode, they are not moved to Remote mode.
EASY
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