No.

(Hex.)

Name

Description

Default

(Range)

b3-24

(01C0)

Speed Search Method Selection

Sets the Speed Search method when you start the motor or when you restore power after a momentary power loss.

2

(1, 2)
Note:

  • When A1-02 = 8 [Control Method Selection = EZOLV], the default setting changes when the setting for E9-01 [Motor Type Selection] and the drive model change.

    • E9-01 = 0 [Induction (IM)]

    • E9-01 = 1, 2 [Permanent Magnet (PM), Synchronous Reluctance (SynRM)]: 1

  • When you set A1-02 = 8 and E9-01 = 1 or 2, set b3-24 = 1. If b3-24 = 2, the drive will detect oPE08 [Parameter Selection Error].

  • When you set b3-24, it will trigger the drive to initialize b3-14 [Bi-directional Speed Search]. After you set b3-24, set b3-14.

Set b3-01 = 1 [Speed Search at Start Selection = Enabled] to do Speed Search at start. Set L2-01 = 1 [Power Loss Ride Through Select = Enabled for L2-02 Time]] to do Speed Search after you restore power after a momentary power loss.

1
Speed Estimation

The drive uses the residual voltage from a short baseblock time to estimate the motor speed.

If there is not sufficient residual voltage, then the drive will inject DC current into the motor to estimate the motor speed.

2
Current Detection 2

The drive will inject DC current into the motor to estimate motor speed.