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F1-03: Overspeed Detection Selection

No.

(Hex.)

Name

Description

Default

(Range)

F1-03

(0382)

Overspeed Detection Selection

Sets the method to stop the motor or let the motor continue to operate when the drive detects oS [Overspeed].

1

(0 - 3)

When the motor speed is more than the value set in F1-08 [Overspeed Detection Level] for longer than the time set in F1-09 [Overspeed Detection Delay Time] it will trigger oS.

0
Ramp to Stop

The drive ramps the motor to stop in the deceleration time. The output terminal set for Fault [H2-01 to H2-03 = E] activates.

1
Coast to Stop

The output turns off and the motor coasts to stop. The output terminal set for Fault [H2-01 to H2-03 = E] activates.

2
Fast Stop (Use C1-09)

The drive stops the motor in the deceleration time set in C1-09 [Fast Stop Time]. The output terminal set for Fault [H2-01 to H2-03 = E] activates.

3
Alarm Only

The keypad shows oS and the drive continues operation. Only use this setting in special conditions to prevent damage to the motor and machinery. The output terminal set to Alarm [H2-01 to H2-03 = 10] activates.

Note:
  • When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP Pulse Train Function = Speed Feedback (V/F Control)] to enable this parameter.

  • When A1-02 = 6 [Control Method Selection = AOLV/PM], the drive will automatically set F1-03 = 1 [Coast to Stop]. You cannot change this value.