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7-3
Description of Functions
F1109
Direction of motor rotation
This function is used to restrict the rotation of the motor to a fixed direction for safety reasons etc.
Code No.
Function Name
Data Content
Setting Resolution
Factory
Presets
F1109
Direction of motor rotation
1: Forward reverse run
2: Forward run only
3: Reverse run only
1
1
●
When V/F control mode, Speed control mode or position control mode is used, if you input the another commands not to input
the direction set by F1109, the operation panel displays "CtLEr "and Inverter is not drive.
●
Use torque control mode, the torque does not generate in a direction opposite to the direction set by F1109.
Example 1) In the case of F1109 = ―2‖, if the motor rotation is reverse, motor torque does not output regeneration torque.
Acceleration and regeneration torque at forward rotation can be output. And Regeneration torque at reverse rotation torque
can be output.
Example 2) In the case of F1109=‖3‖, if the motor rotation is forward, motor torque does not output. Acceleration and
regeneration torque at reverse rotation can be output. And Regeneration torque at forward rotation torque can be output.
Note 1: The terms "forward run" and "reverse run" and the actual motor shaft rotation direction changes depending on the motor
structure and inverter connection method. For the inverter, when the "forward run" or "reverse run" command is given,
the user should confirm it directly during test run.
Note 2: The rotation direction of key on the operation panel is determined by F1110.
Note 3: If the motor was rotated by load torque under the torque control mode, it might rotate another direction set by this function.
F1110
Direction of motor rotation
(Operation panel)
Set the rotation direction at the key on operation panel.
Code No.
Function Name
Data Content
Setting Resolution
Factory Presets
F1110
Direction of motor rotation
(Operation panel)
1: Forward run
2: Reverse run
1
1
Note: Use
F1109
to fix the motor rotation direction.
F1111
Braking method
A function for selecting the stop mode when a stop signal is input.
Code No.
Function Name
Data Content
Setting Resolution
Factory Presets
F1111
Braking method
1: Deceleration to stop
2: Deceleration to stop + DC braking
3: Free run stop
4:
Deceleration to stop + Continuous DC braking
1
1
●
Deceleration to stop
A normal stop method for reducing output frequency according to the settings of acceleration/deceleration curve
(F1010) and the deceleration time (F1016 - F1019).
●
Deceleration to stop + DC braking
Similar to the case of F1111=1, this method is used to reduce the output frequency to the time point below DC
braking start frequency (F1112); DC braking quickly stops the running motor. The DC braking time is determined
according to F1113. The DC braking force is determined according to F1114.
●
Free run stop
Turn OFF all drive signals of the switching device at the time when a stop signal is sent to put the motor in free run
state.
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