E6581386
F-15
6
[Priority to DC braking during forward/reverse operation] (Forward/reverse run DC braking priority control
=[Enabled])
Time [s]
Output frequency [Hz]
Forward run signal (F-CC)
ON
OFF
Reference frequency
0
0
Set frequency
~
~
~
~
~
~
~
~
: DC braking
(4) (5) (6)
Reverse run signal (R-CC)
ON
OFF
=
=
(7)
(4) During normal forward/reverse run (
=) : Not recognized as a stop command, so that the DC
braking is not active.
(5) If a reverse run (or forward) command is entered during forward run (or reverse) (
=) :
DC braking when the frequency set with
decreases below the reference frequency during
deceleration.
(6) If an operation command is entered during DC braking : RUN command has a priority.
(7) If an operation command is changed from ON to OFF during DC braking, DC braking is discontinued to stop the
operation.
6.8.2 Motor shaft fixing control
: Motor shaft fixing control
• Function
This function is used to prevent the motor from running unexpectedly after the motor is stopped because
it’s shaft is not restrained or to preheat the motor.
[Parameter setting]
Title
Function Adjustment range Default setting
Motor shaft fixing control :Disabled, :Enabled
If the motor shaft fixing control parameter
is set at , DC braking continue at half a braking rate of that set
with
to retain the motor after it has come to a full stop by DC braking. To discontinue motor shaft axis fixing
control, cancel the assignment of the input terminal function “ST standby command (6)” to an input terminal.
Note: This function doesn't operate after a DC braking command is entered by control input terminal signal.
When assigning the ST function to the S3 terminal.
Title
Function Adjustment range Default setting
Always ON function selection 1 ~
Input terminal function selection 7 (S3) ~
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