Bumpless Operation - Toshiba TOSVERT VF-AS3 Instruction Manual

6. 13 Bumpless operation

<F295: Bumpless>
■ Function
This function is used to pass on the run/stop state and output frequency under the automatic
4
operation to the manual operation when a switch between the two operation modes is made.
When a switch from the manual to automatic operation is made, the operation status under the
4
manual operation is not passed on to the automatic operation.
6
■ Parameter setting
Title
F295
■ How to use
9
The [HAND/AUTO] key is used to make a switch between the manual and automatic operations.
• [HAND] indicates the panel operation at hand. (Manual operation)
• [AUTO] indicates the operation method selected by <CMOd: Run command select> or <FMOd:
Frequency command select 1> (or <F207: Frequency command select 2>). (Automatic operation)
■ Operation example
When <CMOd: Run command select> is "0: Terminal" under the automatic operation
6. [Advanced] How to use parameters
Parameter name
Bumpless
Automatic operation
ON
[HAND/AUTO]
OFF
key
Output
frequency
ON
Terminal [F]
OFF
ON
Internal run
OFF
command
Manual operation
[HAND/AUTO] ON
key OFF
Output
frequency
ON
Terminal [F]
OFF
Internal run ON
OFF
command
F295 : Bumpless
0: Disabled
1: Enabled
Adjustment range
0: Disabled
1: Enabled
Manual operation
When switching from automatic
operation to manual operation,
operation frequency, run/stop state at
the time remains while moving to
manual operation.
In case of example on the left,
operation continues.
Automatic operation
When switching from manual operation
to automatic operation, run/stop state
Frequency command
and operation frequency is decided from
of automatic operation
the state of automatic operation.
In case of example on the left, operation
continues, since the automatic operation
is in operation state at switching.
6-50
E6582062
STOP 0.0Hz
13:13
Default setting
0