No.

(Hex.)

Name

Description

Default

(Range)

b3-14

(019E)

Bi-directional Speed Search

Sets the direction of Speed Search to the direction of the frequency reference or in the motor rotation direction as detected by the drive.

Determined by A1-02 and b3-24

(0, 1)
Note:

  • When E9-01 = 0 [Motor Type Selection = Induction (IM)] and A1-02 = 0, 2, or 8 [Control Method Selection = V/f, OLV, or EZOLV], the default settings change when the setting of b3-24 [Speed Search Method Selection] changes.

    • b3-24 = 1 [Speed Estimation]: Refer to Parameters that Change from the Default Settings with A1-02 [Control Method Selection].

    • b3-24 = 2 [Current Detection 2]: 0

  • When E9-01 = 1 or 2 [Permanent Magnet (PM), Synchronous Reluctance (SynRM)] and A1-02 = 0 or 8 [V/f, EZOLV], refer to Parameters that Change from the Default Settings with A1-02 [Control Method Selection].

When you set A1-02, b3-24, and E9-01, set b3-14.

0
Disabled

The drive uses the frequency reference to detect the direction of motor rotation.

1
Enabled

The drive detects the direction of motor rotation during Speed Search.